Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
10–25K
325–50K
350–75K
775–100K
12100–150K
6150K+
32 reports with mileage · 15 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Steering. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Vehicle Speed Control. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electronic Stability Control (esc). Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
WHILE DRIVING AT 60 MILES PER HOUR ON EXPRESSWAY, CAR SUDDENLY BRAKED ON ONLY THE LEFT FRONT WHEEL. BRAKING WAS A SEVERE PUMPING THAT LASTED ABOUT 2 SECONDS. WAS ABLE TO MOVE OFF TO THE SIDE OF THE ROAD ONTO AN EXIT RAMP WITHOUT CAUSING AN ACCIDENT. FORTUNATELY TRAFFIC WAS NOT HEAVY AND CARS BEHIND ME WERE ABLE TO AVOID HITTI…
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WHILE DRIVING AT 60 MILES PER HOUR ON EXPRESSWAY, CAR SUDDENLY BRAKED ON ONLY THE LEFT FRONT WHEEL. BRAKING WAS A SEVERE PUMPING THAT LASTED ABOUT 2 SECONDS. WAS ABLE TO MOVE OFF TO THE SIDE OF THE ROAD ONTO AN EXIT RAMP WITHOUT CAUSING AN ACCIDENT. FORTUNATELY TRAFFIC WAS NOT HEAVY AND CARS BEHIND ME WERE ABLE TO AVOID HITTING ME AS THE CAR BUCKED AND I MOVED TO THE SIDE OF TH ROAD ONTO AN EXIT RAMP. I STOPPED TO SEE WHAT MAY HAVE HAPPENED. NOTING NOTHING RELATED TO THE LEFT RONT WHEEL, I EXITED THE EXIT RAMP AND PROCEEDED DOWN A SIDE STREET AT AB OUT 35 MPH WHEN SUDDENLY THE LEFT FRONT WHEEL BRAKED AGAIN. I TURNED OFF THE ESP ELECTRONIC STABILITY FUNCTION AND PROCEEDED SLOWLY DOWN THE ROAD. NOTING NO FURTHER INCIDENT, I EVENTUALLY GOT BACK ON THE EXPRESSWAY AND PROCEEDED HOME WITH NO FURTHER INCIDENT.
NHTSA ODI #11046947
137,000 miles · Aug 15, 2016
Electronic Stability Control (esc)Service BrakesWheels
ON 3 SEPERATE OCCASIONS, WHILE DRIVING MERCEDES BENZ ML430, AT EITHER SLOW SPEED OR 50+ MPH, BRAKES AUTOMATICALLY STOP THE CAR AND SKID THE TIRES. I HAVE ALMOST BEEN HIT BY 5 CARS AT ONE TIME BECAUSE I WAS UNABLE TO MOVE. TODAY, 8/15/16, WHILE TRAVELING AT A SPEED OF 25 MPH, IT HAPPENED AGAIN. ITS A VERY SCARY SITUATION, ESPECIA…
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ON 3 SEPERATE OCCASIONS, WHILE DRIVING MERCEDES BENZ ML430, AT EITHER SLOW SPEED OR 50+ MPH, BRAKES AUTOMATICALLY STOP THE CAR AND SKID THE TIRES. I HAVE ALMOST BEEN HIT BY 5 CARS AT ONE TIME BECAUSE I WAS UNABLE TO MOVE. TODAY, 8/15/16, WHILE TRAVELING AT A SPEED OF 25 MPH, IT HAPPENED AGAIN. ITS A VERY SCARY SITUATION, ESPECIALLY WHEN YOU HAVE A BABY IN YOUR BACK SEAT. THE CHANCES OF GETTING REAR ENDED OR HIT BY TRAFFIC IS A HUGE CONCERN. WHY HAS THERE NOT BEEN A RECALL ON THIS?!?! I HAVE DONE MY RESEARCH AND THERE HAVE BEEN HUNDREDS UPON HUNDREDS OF COMPLAINTS FOR THE SAME EXACT THING. IT IS GOING TO COST OVER 1,000$ TO HAVE THIS ISSUE FIXED, WHEN, IF IT KEEPS HAPPENING TO OTHERS, WHY SHOULD IT BE MY RESPONSIBILITY?!?! RECALL THIS ALREADY!! BEFORE SOMEBODY GETS SEVERLY INJURED, OR, GOD FORBID, A DEATH OCCURS!! COME ON, GET YA'LLS ACTS TOGETHER. THE ROADS ARE DANGEROUS ENOUGH!!!
NHTSA ODI #10896063
140,950 miles · Oct 2, 2012
Electronic Stability Control (esc)Service Brakes, HydraulicVehicle Speed Control
ON FRIDAY (09-28-2012 02:35 PM), I WAS DRIVING AND ABOUT 30 MILES NE OF DALLAS, TX, I WAS TRAVELING ON SOUTH BOUND HIGHWAY 75. I WAS IN THE CENTER LANE OF A THREE LANE HWY 75 SOUTH BOUND AND I HAD THE CRUISE CONTROL SET AT 65 MPH. ALL THE SUDDEN, MY SUV STARTED BRAKING AND I SAW THE SPEEDOMETER DROP FROM 65 DOWN AND I COULD HE…
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ON FRIDAY (09-28-2012 02:35 PM), I WAS DRIVING AND ABOUT 30 MILES NE OF DALLAS, TX, I WAS TRAVELING ON SOUTH BOUND HIGHWAY 75. I WAS IN THE CENTER LANE OF A THREE LANE HWY 75 SOUTH BOUND AND I HAD THE CRUISE CONTROL SET AT 65 MPH. ALL THE SUDDEN, MY SUV STARTED BRAKING AND I SAW THE SPEEDOMETER DROP FROM 65 DOWN AND I COULD HEAR MY TIRES CATCHING AS IT WAS BRAKING BUT I DID NOT KNOW WHAT WAS GOING ON WITH MY VEHICLE. I TRIED THE GAS PEDAL TWICE BUT NO RESPONSE AND I SWITCHED ON MY HAZARD LIGHTS. LUCKILY THE MINIVAN BEHIND ME WAS ABLE TO REDUCE SPEED AND AS I WATCHED THE SPEEDOMETER NEEDLE DROP BELOW 20 MPH, MY SUV QUIT BREAKING. I WAS ABLE TO OPERATE THE VEHICLE (PER USUAL) AND EXITED OFF THE FIRST CHANCE I GOT. I PULLED INTO A PARKING LOT AND CALLED MY MERCEDES MECHANIC ASKING IF HE KNEW WHAT MIGHT HAVE CAUSED THE PROBLEM I JUST EXPERIENCED. I MENTIONED THAT THE DRIVERS INSTRUMENT PANEL SHOWED THE BAS/ESP INDICATOR LIGHT. MY MECHANIC ASKED IF MY SUV WAS WORKING OKAY AND IF SO, HE RECOMMENDED I TURN AROUND AND HEAD BACK TO TULSA. I GOT BACK WITH NO SUDDEN BREAKING PROBLEMS AND TOOK MY SUV INTO THE SHOP ON MONDAY (10-01-2012 08:00 AM). I GOT IT BACK LATER THAT AFTERNOON AND THEY NOTED THE REPAIR REASON WAS THEY HAD REINITIALIZED THE YAW SENSOR. I DID A GOOGLE SEARCH AND FOUND YOUR WEBSITE DESCRIBING MY EXPERIENCE EXACTLY AND I CAN SAY MY SUDDEN BREAKING EXPERIENCE WAS MORE THAN .03 SECONDS. *TR
NHTSA ODI #10478258
112,000 miles · Oct 12, 2011
Electronic Stability Control (esc)Parking Brake
THIS CAR HAS ALMOST WRECKED ME OVER 6 TIMES. THE BRAKES WOULD COME ON AND STOP THE CAR AND YOU COULD NOT GO FORWARD UNTIL YOU TURNED THE ENGINE OFF AND RESTART. THIS EVEN HAPPENED ON THE INTERSTATE ONCE. EACH TIME THE BAS/ESP LIGHT WOULD COME . THE DEALER SAID IT WAS THE YAW SENSOR AND WOULD COST AROUND $1,000 TO REPLACE. THE ME…
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THIS CAR HAS ALMOST WRECKED ME OVER 6 TIMES. THE BRAKES WOULD COME ON AND STOP THE CAR AND YOU COULD NOT GO FORWARD UNTIL YOU TURNED THE ENGINE OFF AND RESTART. THIS EVEN HAPPENED ON THE INTERSTATE ONCE. EACH TIME THE BAS/ESP LIGHT WOULD COME . THE DEALER SAID IT WAS THE YAW SENSOR AND WOULD COST AROUND $1,000 TO REPLACE. THE MERCEDES DEALER ACTED LIKE THEY DIDN'T KNOW OF OTHER CARS LOCKING UP WHILE DRIVING BUT WHEN I SEARCHED THE INTERNET THERE WERE MANY STORIES OF PEOPLE EXPERIENCING THE SAME NEAR DEATH EXPERIENCE ON THE INTERSTATE. HOW CAN MERCEDES GET AWAY WITH THIS DEFECT. IF A SENSOR FAILS IT SHOULD NOT LOCK THE BRAKES UP AND GET YOU WRECKED OR START A CHAIN REACTION WRECK ON THE INTERSTATE. ON THE WAY TO THE DEALER ON A TWO LANE ROAD THE BRAKES LOCKED UP AND WENT OFF THE ROAD LUCKY NO YOU WAS HURT. *KB
NHTSA ODI #10429573
123,000 miles · Feb 24, 2011
Electronic Stability Control (esc)Traction Control System
I OWN A 2000 MERCEDES BENZ ML 430, ON 07/12/10, 07/15/10, 07/23/10, 07/25/10, 07/28/10 AND 07/29/10 WHILE DRIVING MY VEHICLE AT APPROXIMATELY 40 MPH THE VEHICLE CAME TO AN ABRUPT AND COMPLETE STOP WITHOUT PRESSURE BEING APPLIED TO THE BRAKE PEDAL. THE VEHCILE WOULD BRAKE-SKID-BRAKE-SKID THIS LASTED FOR APPROXIMATELY ONE MINUTE;…
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I OWN A 2000 MERCEDES BENZ ML 430, ON 07/12/10, 07/15/10, 07/23/10, 07/25/10, 07/28/10 AND 07/29/10 WHILE DRIVING MY VEHICLE AT APPROXIMATELY 40 MPH THE VEHICLE CAME TO AN ABRUPT AND COMPLETE STOP WITHOUT PRESSURE BEING APPLIED TO THE BRAKE PEDAL. THE VEHCILE WOULD BRAKE-SKID-BRAKE-SKID THIS LASTED FOR APPROXIMATELY ONE MINUTE; THEN THE BAS/ESP AND EST LIGHTS WOULD ILLUMINATE ON MY DASHBOARD, THE VEHICLE WOULD THEN BE DRIVEABLE WHILE THESE LIGHTS WERE ON, ONCE THESE LIGHTS WENT OFF THE VEHICLE WOULD START BRAKING & SKIDDING AGAIN. I REPORTED THIS TO NHTSA ON 07/30/10 UNDER CASE #10346283. ON OR ABOUT 08/20/10, MERCEDES BENZ OF USA TOOK RESPONSIBILITY FOR THE MALFUNCTION & ASKED THAT THE VEHICLE BE TAKEN TO MERCEDES BENZ OF MIAMI. THE VEHICLE WAS REPAIRED ON 08/24/2010. SINCE THAT TIME, THE VEHICLE HAS BEEN TAKEN BACK TO MERCEDES BENZ OF MIAMI APPROXIMATELY 4 OR 5 TIMES FOR THE SAME PROBLEM. THE VEHICLE CONTINUES TO MALFUNCTION WHILE BEING DRIVEN AND HAS COME CLOSE TO CAUSING MANY ACCIDENTS. RECENTLY, THE VEHICLE WAS AGAIN TAKEN TO MERCEDES BENZ OF MIAMI FOR THE SAME PROBLEM ON 01/28/11 AND WASNT ABLE TO BE REPAIRED UNTIL 02/23/11 BECAUSE THE VEHICLE KEPT MALFUNCTIONING EVEN WHEN THEY WOULD REPLACE THE PART THEY SAID NEEDED REPLACING. THE BRAKING SYSTEM ON THIS VEHICLE IS DEFECTIVE AND WILL CAUSE GREAT BOLDILY HARM AND/OR DEATH AT ONE POINT. THE VEHICLE IS DESIGNED WITH A PART THAT CAUSES THE VEHICLE, WHILE BEING OPERATED, TO SUDDENLY,WITHOUT ANY WARNING, COME TO A COMPLETE STOP WHENEVER THAT PART MALFUNCTIONS. I WAS ALMOST INVOLVED IN NUMEROUS ACCIDENTS. TWO INDEPENDENT MECHANICS WERE ALSO ALMOST INVOLVED IN ACCIDENTS ONE RESULTED IN ANOTHER DRIVER HAVING TO SWERVE TO AVOID HITTING MY VEHICLE AND THAT DRIVER ENDED UP IN A DITCH. ON THE LASTEST VISIT TO MERCEDES BENZ OF MIAMI ONE OF THEIR OWN MECHANIC'S EXPERIENCED THIS MALFUNCTION AND HAD TO PULL OVER TO THE SIDE OF THE ROAD SEVERAL TIMES. *TR
NHTSA ODI #10384392
116,885 miles · Jul 30, 2010
Electronic Stability Control (esc)Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2000 MERCEDES BENZ ML430. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 40-50 MPH, THE VEHICLE STOPPED ABRUPTLY WITHOUT APPLYING PRESSURE TO THE BRAKE PEDAL. IMMEDIATELY, THE "BRAKE ASSISTANCE SYSTEM ELECTRONIC STABILITY" AND "ELECTRONIC SYSTEM PROGRAM" WARNING LIGHT INDICATORS ILLUMINATED. THE WARNING INDICA…
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TL*THE CONTACT OWNS A 2000 MERCEDES BENZ ML430. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 40-50 MPH, THE VEHICLE STOPPED ABRUPTLY WITHOUT APPLYING PRESSURE TO THE BRAKE PEDAL. IMMEDIATELY, THE "BRAKE ASSISTANCE SYSTEM ELECTRONIC STABILITY" AND "ELECTRONIC SYSTEM PROGRAM" WARNING LIGHT INDICATORS ILLUMINATED. THE WARNING INDICATORS REMAINED ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO LOCATE A PROBLEM. THE IDENTICAL FAILURE OCCURRED ON A SEPARATE OCCASION. THE VEHICLE HAD NOT BEEN REPAIRED WHEN THE COMPLAINT WAS FILED. THE FAILURE MILEAGE WAS 116,885. UPDATED 10/13/10*BF THE CONSUMER STATED THE BAS/ESP AND EST LIGHTS ILLUMINATED ON THE DASHBOARD. THE VEHICLE WOULD BRAKE AND THEN SKID. UPDATED 10/19/10*JB UPDATED 12/02/10. *LJ
NHTSA ODI #10346283
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
4
PE10050 · Brake Lamp Switch Failure.
Opened Dec 21, 2010 · Closed May 4, 2011
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights:switch; Service Brakes, Hydraulic; Vehicle Speed Control; Vehicle Speed Control:cruise Control
ODI opened the investigation based on reports that the subject vehicle brake lamp switch (switch) failure caused 1) inoperative brake lamps (stay on or fail to illuminate), and/or 2) shift interlock failure (shifter locked in park), and/or 3) the cruise control to fail to cancel with brake application.Consumers also reported the illumination of a warning lamp on the instrument panel.The switch contains three sets of electrical contacts and a (normally extended) spring loaded plunger that actuates the contacts as it moves.As installed in the vehicle, the plunger contacts the brake pedal arm and is pushed into the switch; as the driver applies the pedal the plunger extends.One set of contacts (BLS) operates the stop lamps, a second set (EWM) controls the shift interlock system, and a third set (BS) is used by an on-board diagnostic (OBD) system to monitor switch operation.The cruise control monitors the BLS signal to determine when the brake is applied, the primary way the system is disabled when set.The relative timing of contact actuation in response to plunger movement allows the OBD system to detect a switch fault.When a fault is detected a malfunction indication lamp (MIL) is illuminated (driver alert), a diagnostic trouble code (DTC) is stored (for the service technician), and cruise control operation is inhibited (as a failsafe).In its response to ODI's January 2011 information request letter, MB explained its assessment of switch failures which was based primarily on evaluation of field return failures.MB identified both 1) electrical contact and 2) mechanical switch failure mechanisms.According to MB's analysis, electrical contact failure is the predominate failure type and the failure consequence depends on which contact fails.For instance MB claims that BLS contact failures are momentary in nature and do not affect brake light operation but are nonetheless detected by the OBD system, resulting in a DTC and subsequent replacement.Electrical contact failures of the BS and EWM contacts result in a DTC also, and EWM contact failures result in the shifter being stuck in the park (which can be overridden by the consumer).Accordingly MB maintains that electrical contact failures of the switch have no safety consequence since the brake lamps remain operational and the cruise control is always disabled.MB determined that mechanical failures of the switch, which are rare in their assessment, can result from internal wear and/or increased switch operating temperatures.High temperatures occur due to overheating of the BLS contacts and can cause the internal plastic components to melt.In one scenario overheated BLS contacts may melt to the extended plunger and are damaged when the brake pedal is released resulting in the brake lights staying on.In another scenario the increased temperatures and/or internal wear can cause the plunger to stick in the fully depressed position.In this case the cruise may not cancel when the brake is applied and the driver may have to use high brake pedal forces or other means (shifting to neutral or using the cruise master switch) to disengage the cruise.Additionally the vacuum assist can be depleted if the driver pumps the brakes resulting in reduced braking effectiveness and even higher pedal forces.In its March 31, 2011 defect notification, MB stated that to remediate the potential need for excessive brake force it would conduct a safety recall (11V-208) to replace the switch with a more robustly designed component.The recall includes 136,751 model year 2000 - 2002 M-Class and model year 2000 - 2004 M-Class AMG vehicles.Owner notification letters will be mailed
Additional source detail variants (4)
Exterior Lighting:brake Lights:switch
ODI opened the investigation based on reports that the subject vehicle brake lamp switch (switch) failure caused 1) inoperative brake lamps (stay on or fail to illuminate), and/or 2) shift interlock failure (shifter locked in park), and/or 3) the cruise control to fail to cancel with brake application.Consumers also reported the illumination of a warning lamp on the instrument panel.The switch contains three sets of electrical contacts and a (normally extended) spring loaded plunger that actuates the contacts as it moves.As installed in the vehicle, the plunger contacts the brake pedal arm and is pushed into the switch; as the driver applies the pedal the plunger extends.One set of contacts (BLS) operates the stop lamps, a second set (EWM) controls the shift interlock system, and a third set (BS) is used by an on-board diagnostic (OBD) system to monitor switch operation.The cruise control monitors the BLS signal to determine when the brake is applied, the primary way the system is disabled when set.The relative timing of contact actuation in response to plunger movement allows the OBD system to detect a switch fault.When a fault is detected a malfunction indication lamp (MIL) is illuminated (driver alert), a diagnostic trouble code (DTC) is stored (for the service technician), and cruise control operation is inhibited (as a failsafe).In its response to ODI's January 2011 information request letter, MB explained its assessment of switch failures which was based primarily on evaluation of field return failures.MB identified both 1) electrical contact and 2) mechanical switch failure mechanisms.According to MB's analysis, electrical contact failure is the predominate failure type and the failure consequence depends on which contact fails.For instance MB claims that BLS contact failures are momentary in nature and do not affect brake light operation but are nonetheless detected by the OBD system, resulting in a DTC and subsequent replacement.Electrical contact failures of the BS and EWM contacts result in a DTC also, and EWM contact failures result in the shifter being stuck in the park (which can be overridden by the consumer).Accordingly MB maintains that electrical contact failures of the switch have no safety consequence since the brake lamps remain operational and the cruise control is always disabled.MB determined that mechanical failures of the switch, which are rare in their assessment, can result from internal wear and/or increased switch operating temperatures.High temperatures occur due to overheating of the BLS contacts and can cause the internal plastic components to melt.In one scenario overheated BLS contacts may melt to the extended plunger and are damaged when the brake pedal is released resulting in the brake lights staying on.In another scenario the increased temperatures and/or internal wear can cause the plunger to stick in the fully depressed position.In this case the cruise may not cancel when the brake is applied and the driver may have to use high brake pedal forces or other means (shifting to neutral or using the cruise master switch) to disengage the cruise.Additionally the vacuum assist can be depleted if the driver pumps the brakes resulting in reduced braking effectiveness and even higher pedal forces.In its March 31, 2011 defect notification, MB stated that to remediate the potential need for excessive brake force it would conduct a safety recall (11V-208) to replace the switch with a more robustly designed component.The recall includes 136,751 model year 2000 - 2002 M-Class and model year 2000 - 2004 M-Class AMG vehicles.Owner notification letters will be mailed
Service Brakes, Hydraulic
ODI opened the investigation based on reports that the subject vehicle brake lamp switch (switch) failure caused 1) inoperative brake lamps (stay on or fail to illuminate), and/or 2) shift interlock failure (shifter locked in park), and/or 3) the cruise control to fail to cancel with brake application.Consumers also reported the illumination of a warning lamp on the instrument panel.The switch contains three sets of electrical contacts and a (normally extended) spring loaded plunger that actuates the contacts as it moves.As installed in the vehicle, the plunger contacts the brake pedal arm and is pushed into the switch; as the driver applies the pedal the plunger extends.One set of contacts (BLS) operates the stop lamps, a second set (EWM) controls the shift interlock system, and a third set (BS) is used by an on-board diagnostic (OBD) system to monitor switch operation.The cruise control monitors the BLS signal to determine when the brake is applied, the primary way the system is disabled when set.The relative timing of contact actuation in response to plunger movement allows the OBD system to detect a switch fault.When a fault is detected a malfunction indication lamp (MIL) is illuminated (driver alert), a diagnostic trouble code (DTC) is stored (for the service technician), and cruise control operation is inhibited (as a failsafe).In its response to ODI's January 2011 information request letter, MB explained its assessment of switch failures which was based primarily on evaluation of field return failures.MB identified both 1) electrical contact and 2) mechanical switch failure mechanisms.According to MB's analysis, electrical contact failure is the predominate failure type and the failure consequence depends on which contact fails.For instance MB claims that BLS contact failures are momentary in nature and do not affect brake light operation but are nonetheless detected by the OBD system, resulting in a DTC and subsequent replacement.Electrical contact failures of the BS and EWM contacts result in a DTC also, and EWM contact failures result in the shifter being stuck in the park (which can be overridden by the consumer).Accordingly MB maintains that electrical contact failures of the switch have no safety consequence since the brake lamps remain operational and the cruise control is always disabled.MB determined that mechanical failures of the switch, which are rare in their assessment, can result from internal wear and/or increased switch operating temperatures.High temperatures occur due to overheating of the BLS contacts and can cause the internal plastic components to melt.In one scenario overheated BLS contacts may melt to the extended plunger and are damaged when the brake pedal is released resulting in the brake lights staying on.In another scenario the increased temperatures and/or internal wear can cause the plunger to stick in the fully depressed position.In this case the cruise may not cancel when the brake is applied and the driver may have to use high brake pedal forces or other means (shifting to neutral or using the cruise master switch) to disengage the cruise.Additionally the vacuum assist can be depleted if the driver pumps the brakes resulting in reduced braking effectiveness and even higher pedal forces.In its March 31, 2011 defect notification, MB stated that to remediate the potential need for excessive brake force it would conduct a safety recall (11V-208) to replace the switch with a more robustly designed component.The recall includes 136,751 model year 2000 - 2002 M-Class and model year 2000 - 2004 M-Class AMG vehicles.Owner notification letters will be mailed
Vehicle Speed Control:cruise Control
ODI opened the investigation based on reports that the subject vehicle brake lamp switch (switch) failure caused 1) inoperative brake lamps (stay on or fail to illuminate), and/or 2) shift interlock failure (shifter locked in park), and/or 3) the cruise control to fail to cancel with brake application.Consumers also reported the illumination of a warning lamp on the instrument panel.The switch contains three sets of electrical contacts and a (normally extended) spring loaded plunger that actuates the contacts as it moves.As installed in the vehicle, the plunger contacts the brake pedal arm and is pushed into the switch; as the driver applies the pedal the plunger extends.One set of contacts (BLS) operates the stop lamps, a second set (EWM) controls the shift interlock system, and a third set (BS) is used by an on-board diagnostic (OBD) system to monitor switch operation.The cruise control monitors the BLS signal to determine when the brake is applied, the primary way the system is disabled when set.The relative timing of contact actuation in response to plunger movement allows the OBD system to detect a switch fault.When a fault is detected a malfunction indication lamp (MIL) is illuminated (driver alert), a diagnostic trouble code (DTC) is stored (for the service technician), and cruise control operation is inhibited (as a failsafe).In its response to ODI's January 2011 information request letter, MB explained its assessment of switch failures which was based primarily on evaluation of field return failures.MB identified both 1) electrical contact and 2) mechanical switch failure mechanisms.According to MB's analysis, electrical contact failure is the predominate failure type and the failure consequence depends on which contact fails.For instance MB claims that BLS contact failures are momentary in nature and do not affect brake light operation but are nonetheless detected by the OBD system, resulting in a DTC and subsequent replacement.Electrical contact failures of the BS and EWM contacts result in a DTC also, and EWM contact failures result in the shifter being stuck in the park (which can be overridden by the consumer).Accordingly MB maintains that electrical contact failures of the switch have no safety consequence since the brake lamps remain operational and the cruise control is always disabled.MB determined that mechanical failures of the switch, which are rare in their assessment, can result from internal wear and/or increased switch operating temperatures.High temperatures occur due to overheating of the BLS contacts and can cause the internal plastic components to melt.In one scenario overheated BLS contacts may melt to the extended plunger and are damaged when the brake pedal is released resulting in the brake lights staying on.In another scenario the increased temperatures and/or internal wear can cause the plunger to stick in the fully depressed position.In this case the cruise may not cancel when the brake is applied and the driver may have to use high brake pedal forces or other means (shifting to neutral or using the cruise master switch) to disengage the cruise.Additionally the vacuum assist can be depleted if the driver pumps the brakes resulting in reduced braking effectiveness and even higher pedal forces.In its March 31, 2011 defect notification, MB stated that to remediate the potential need for excessive brake force it would conduct a safety recall (11V-208) to replace the switch with a more robustly designed component.The recall includes 136,751 model year 2000 - 2002 M-Class and model year 2000 - 2004 M-Class AMG vehicles.Owner notification letters will be mailed
Vehicle Speed Control
ODI opened the investigation based on reports that the subject vehicle brake lamp switch (switch) failure caused 1) inoperative brake lamps (stay on or fail to illuminate), and/or 2) shift interlock failure (shifter locked in park), and/or 3) the cruise control to fail to cancel with brake application.Consumers also reported the illumination of a warning lamp on the instrument panel.The switch contains three sets of electrical contacts and a (normally extended) spring loaded plunger that actuates the contacts as it moves.As installed in the vehicle, the plunger contacts the brake pedal arm and is pushed into the switch; as the driver applies the pedal the plunger extends.One set of contacts (BLS) operates the stop lamps, a second set (EWM) controls the shift interlock system, and a third set (BS) is used by an on-board diagnostic (OBD) system to monitor switch operation.The cruise control monitors the BLS signal to determine when the brake is applied, the primary way the system is disabled when set.The relative timing of contact actuation in response to plunger movement allows the OBD system to detect a switch fault.When a fault is detected a malfunction indication lamp (MIL) is illuminated (driver alert), a diagnostic trouble code (DTC) is stored (for the service technician), and cruise control operation is inhibited (as a failsafe).In its response to ODI's January 2011 information request letter, MB explained its assessment of switch failures which was based primarily on evaluation of field return failures.MB identified both 1) electrical contact and 2) mechanical switch failure mechanisms.According to MB's analysis, electrical contact failure is the predominate failure type and the failure consequence depends on which contact fails.For instance MB claims that BLS contact failures are momentary in nature and do not affect brake light operation but are nonetheless detected by the OBD system, resulting in a DTC and subsequent replacement.Electrical contact failures of the BS and EWM contacts result in a DTC also, and EWM contact failures result in the shifter being stuck in the park (which can be overridden by the consumer).Accordingly MB maintains that electrical contact failures of the switch have no safety consequence since the brake lamps remain operational and the cruise control is always disabled.MB determined that mechanical failures of the switch, which are rare in their assessment, can result from internal wear and/or increased switch operating temperatures.High temperatures occur due to overheating of the BLS contacts and can cause the internal plastic components to melt.In one scenario overheated BLS contacts may melt to the extended plunger and are damaged when the brake pedal is released resulting in the brake lights staying on.In another scenario the increased temperatures and/or internal wear can cause the plunger to stick in the fully depressed position.In this case the cruise may not cancel when the brake is applied and the driver may have to use high brake pedal forces or other means (shifting to neutral or using the cruise master switch) to disengage the cruise.Additionally the vacuum assist can be depleted if the driver pumps the brakes resulting in reduced braking effectiveness and even higher pedal forces.In its March 31, 2011 defect notification, MB stated that to remediate the potential need for excessive brake force it would conduct a safety recall (11V-208) to replace the switch with a more robustly designed component.The recall includes 136,751 model year 2000 - 2002 M-Class and model year 2000 - 2004 M-Class AMG vehicles.Owner notification letters will be mailed
EA08009 · Brake Line Chafe
Opened Apr 28, 2008 · Closed Dec 16, 2009
Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings; Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings
ANALYSIS OF COMPLAINTS TO ODI AND MERCEDES AND WARRANTY CLAIM DATA SUBMITTED BY MERCEDES INDICATES THAT THE ALLEGED DEFECT HAS OCCURRED AT A LOW RATE (36.5 COMPLAINTS PER 100,000 VEHICLES AND 0.29 PERCENT WARRANTY CLAIM RATE), WITH NO DISCERNABLE DEFECT TREND INDICATING THAT THE RATE OF CHAFING RELATED BRAKE LINE FAILURES IS INCREASING.THERE HAVE BEEN NO NEW COMPLAINTS SINCE JANUARY 2009.WHEN THE ANALYSIS IS LIMITED TO INCIDENTS OF BRAKE LINE LEAKAGE THAT RESULTED IN ALLEGATIONS OF REDUCED BRAKE EFFECTIVENESS, THE RATE DROPS EVEN FURTHER (22.3 COMPLAINTS PER 100,000 VEHICLES AND 0.04 PERCENT WARRANTY CLAIM RATE). MERCEDES PROVIDED DATA SHOWING THAT IN THE RARE INSTANCES WHEN CHAFING DID PROGRESS TO BRAKE LINE LEAKAGE THE DRIVER WOULD BE IMMEDIATELY ALERTED TO A PROBLEM BY ILLUMINATION OF THE BRIGHT YELLOW ESP/BAS WARNING LAMP AND CHANGES IN BRAKE PEDAL FEEL.CONTINUED OPERATION WITH A LEAKING BRAKE LINE WOULD RESULT IN ILLUMINATION OF THE BRIGHT RED BRAKE WARNING LAMP AND AN AUDIBLE CHIME DUE TO LOW MASTER CYLINDER RESERVOIR LEVEL. CONTINUED OPERATION WITH THE BRAKE WARNING LAMP ILLUMINATED WOULD ULTIMATELY DRAIN THE RESERVOIR FOR THE AFFECTED CIRCUIT, RESULTING IN LOSS OF THE CIRCUIT AND AN APPROXIMATELY 80% INCREASE IN STOPPING DISTANCES. SURVEYS CONDUCTED BY ODI AND VRTC INDICATE THAT ROUTING ANOMALIES MAY BE MORE COMMON THAN THE COMPLAINT AND WARRANTY DATA SUGGEST FOR THE SUBJECT LINE BUNDLE, WITH LINE CONTACT OR OTHER ROUTING ANOMALY NOTED IN 13 OF 51 VEHICLES SURVEYED BY ODI AND VRTC (25.5%).WHILE EVIDENCE OF CONTACT BETWEEN THE FUEL LINE AND SUBJECT BRAKE IN A PARTICULAR VEHICLE IS NOT NECESSARILY PREDICTIVE OF EVENTUAL LINE FAILURE/LEAKAGE, SIGNIFICANT CHAFING WEAR WAS NOTED IN TWO SURVEY VEHICLES (3.9%).TO ADDRESS CONCERNS WITH LINE ROUTING AND ENSURE THAT LINES WITH EVIDENT CHAFING DO NOT PROGRESS TO A LEAK CONDITION, MERCEDES WILL CONDUCT AN OWNER NOTIFICATION PROGRAM INSTRUCTING OWNERS TO BRING THE VEHICLES TO A DEALER FOR A FREE INSPECTION AND REPAIR.LINES THAT DO NOT HAVE A SPACER (RUBBER GROMMET OR OMEGA-CLIP) BETWEEN THE SUBJECT FUEL AND BRAKE LINES WILL HAVE AN OMEGA-CLIP SPACER INSTALLED TO ENSURE ADEQUATE CLEARANCE BETWEEN THE LINES.BRAKE LINES WITH CHAFE MARKS WILL BE REPLACED. ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST. THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED. FOR ADDITIONAL INFORMATION REGARDING THIS ENGINEERING ANALYSIS REFER TO THE EA08-009 CLOSING REPORT.
Additional source detail variants (2)
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
ANALYSIS OF COMPLAINTS TO ODI AND MERCEDES AND WARRANTY CLAIM DATA SUBMITTED BY MERCEDES INDICATES THAT THE ALLEGED DEFECT HAS OCCURRED AT A LOW RATE (36.5 COMPLAINTS PER 100,000 VEHICLES AND 0.29 PERCENT WARRANTY CLAIM RATE), WITH NO DISCERNABLE DEFECT TREND INDICATING THAT THE RATE OF CHAFING RELATED BRAKE LINE FAILURES IS INCREASING.THERE HAVE BEEN NO NEW COMPLAINTS SINCE JANUARY 2009.WHEN THE ANALYSIS IS LIMITED TO INCIDENTS OF BRAKE LINE LEAKAGE THAT RESULTED IN ALLEGATIONS OF REDUCED BRAKE EFFECTIVENESS, THE RATE DROPS EVEN FURTHER (22.3 COMPLAINTS PER 100,000 VEHICLES AND 0.04 PERCENT WARRANTY CLAIM RATE). MERCEDES PROVIDED DATA SHOWING THAT IN THE RARE INSTANCES WHEN CHAFING DID PROGRESS TO BRAKE LINE LEAKAGE THE DRIVER WOULD BE IMMEDIATELY ALERTED TO A PROBLEM BY ILLUMINATION OF THE BRIGHT YELLOW ESP/BAS WARNING LAMP AND CHANGES IN BRAKE PEDAL FEEL.CONTINUED OPERATION WITH A LEAKING BRAKE LINE WOULD RESULT IN ILLUMINATION OF THE BRIGHT RED BRAKE WARNING LAMP AND AN AUDIBLE CHIME DUE TO LOW MASTER CYLINDER RESERVOIR LEVEL. CONTINUED OPERATION WITH THE BRAKE WARNING LAMP ILLUMINATED WOULD ULTIMATELY DRAIN THE RESERVOIR FOR THE AFFECTED CIRCUIT, RESULTING IN LOSS OF THE CIRCUIT AND AN APPROXIMATELY 80% INCREASE IN STOPPING DISTANCES. SURVEYS CONDUCTED BY ODI AND VRTC INDICATE THAT ROUTING ANOMALIES MAY BE MORE COMMON THAN THE COMPLAINT AND WARRANTY DATA SUGGEST FOR THE SUBJECT LINE BUNDLE, WITH LINE CONTACT OR OTHER ROUTING ANOMALY NOTED IN 13 OF 51 VEHICLES SURVEYED BY ODI AND VRTC (25.5%).WHILE EVIDENCE OF CONTACT BETWEEN THE FUEL LINE AND SUBJECT BRAKE IN A PARTICULAR VEHICLE IS NOT NECESSARILY PREDICTIVE OF EVENTUAL LINE FAILURE/LEAKAGE, SIGNIFICANT CHAFING WEAR WAS NOTED IN TWO SURVEY VEHICLES (3.9%).TO ADDRESS CONCERNS WITH LINE ROUTING AND ENSURE THAT LINES WITH EVIDENT CHAFING DO NOT PROGRESS TO A LEAK CONDITION, MERCEDES WILL CONDUCT AN OWNER NOTIFICATION PROGRAM INSTRUCTING OWNERS TO BRING THE VEHICLES TO A DEALER FOR A FREE INSPECTION AND REPAIR.LINES THAT DO NOT HAVE A SPACER (RUBBER GROMMET OR OMEGA-CLIP) BETWEEN THE SUBJECT FUEL AND BRAKE LINES WILL HAVE AN OMEGA-CLIP SPACER INSTALLED TO ENSURE ADEQUATE CLEARANCE BETWEEN THE LINES.BRAKE LINES WITH CHAFE MARKS WILL BE REPLACED. ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST. THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED. FOR ADDITIONAL INFORMATION REGARDING THIS ENGINEERING ANALYSIS REFER TO THE EA08-009 CLOSING REPORT.
Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings
ANALYSIS OF COMPLAINTS TO ODI AND MERCEDES AND WARRANTY CLAIM DATA SUBMITTED BY MERCEDES INDICATES THAT THE ALLEGED DEFECT HAS OCCURRED AT A LOW RATE (36.5 COMPLAINTS PER 100,000 VEHICLES AND 0.29 PERCENT WARRANTY CLAIM RATE), WITH NO DISCERNABLE DEFECT TREND INDICATING THAT THE RATE OF CHAFING RELATED BRAKE LINE FAILURES IS INCREASING.THERE HAVE BEEN NO NEW COMPLAINTS SINCE JANUARY 2009.WHEN THE ANALYSIS IS LIMITED TO INCIDENTS OF BRAKE LINE LEAKAGE THAT RESULTED IN ALLEGATIONS OF REDUCED BRAKE EFFECTIVENESS, THE RATE DROPS EVEN FURTHER (22.3 COMPLAINTS PER 100,000 VEHICLES AND 0.04 PERCENT WARRANTY CLAIM RATE). MERCEDES PROVIDED DATA SHOWING THAT IN THE RARE INSTANCES WHEN CHAFING DID PROGRESS TO BRAKE LINE LEAKAGE THE DRIVER WOULD BE IMMEDIATELY ALERTED TO A PROBLEM BY ILLUMINATION OF THE BRIGHT YELLOW ESP/BAS WARNING LAMP AND CHANGES IN BRAKE PEDAL FEEL.CONTINUED OPERATION WITH A LEAKING BRAKE LINE WOULD RESULT IN ILLUMINATION OF THE BRIGHT RED BRAKE WARNING LAMP AND AN AUDIBLE CHIME DUE TO LOW MASTER CYLINDER RESERVOIR LEVEL. CONTINUED OPERATION WITH THE BRAKE WARNING LAMP ILLUMINATED WOULD ULTIMATELY DRAIN THE RESERVOIR FOR THE AFFECTED CIRCUIT, RESULTING IN LOSS OF THE CIRCUIT AND AN APPROXIMATELY 80% INCREASE IN STOPPING DISTANCES. SURVEYS CONDUCTED BY ODI AND VRTC INDICATE THAT ROUTING ANOMALIES MAY BE MORE COMMON THAN THE COMPLAINT AND WARRANTY DATA SUGGEST FOR THE SUBJECT LINE BUNDLE, WITH LINE CONTACT OR OTHER ROUTING ANOMALY NOTED IN 13 OF 51 VEHICLES SURVEYED BY ODI AND VRTC (25.5%).WHILE EVIDENCE OF CONTACT BETWEEN THE FUEL LINE AND SUBJECT BRAKE IN A PARTICULAR VEHICLE IS NOT NECESSARILY PREDICTIVE OF EVENTUAL LINE FAILURE/LEAKAGE, SIGNIFICANT CHAFING WEAR WAS NOTED IN TWO SURVEY VEHICLES (3.9%).TO ADDRESS CONCERNS WITH LINE ROUTING AND ENSURE THAT LINES WITH EVIDENT CHAFING DO NOT PROGRESS TO A LEAK CONDITION, MERCEDES WILL CONDUCT AN OWNER NOTIFICATION PROGRAM INSTRUCTING OWNERS TO BRING THE VEHICLES TO A DEALER FOR A FREE INSPECTION AND REPAIR.LINES THAT DO NOT HAVE A SPACER (RUBBER GROMMET OR OMEGA-CLIP) BETWEEN THE SUBJECT FUEL AND BRAKE LINES WILL HAVE AN OMEGA-CLIP SPACER INSTALLED TO ENSURE ADEQUATE CLEARANCE BETWEEN THE LINES.BRAKE LINES WITH CHAFE MARKS WILL BE REPLACED. ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST. THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED. FOR ADDITIONAL INFORMATION REGARDING THIS ENGINEERING ANALYSIS REFER TO THE EA08-009 CLOSING REPORT.
PE07007 · Electronic Stability Control Malfunction
ODI OPENED PE07-007 AFTER RECEIVING 4 COMPLAINTS WITHIN A 6 WEEK PERIOD ALLEGING INCIDENTS OF UNCOMMANDED BRAKE APPLICATION IN MODEL YEAR (MY) 2000 THROUGH 2001 MERCEDES M CLASS SPORT UTILITY VEHICLES.INFORMATION CONTAINED IN THE REPORTS OR GATHERED IN SUBSEQUENT CONSUMER INTERVIEWS INDICATED THAT THE INCIDENTS WERE CAUSED BY FAULTS IN THE ELECTRONIC STABILITY PROGRAM (ESP) SYSTEM WHICH WERE REPAIRED BY REPLACING THE YAW RATE SENSORS.ALTHOUGH THE SAME YAW RATE SENSOR IS USED IN APPROXIMATELY 800,000 OTHER MERCEDES M-CLASS, C-CLASS AND SLK MODELS, TO DATE THERE HAS BEEN ONLY ONE RELATED COMPLAINT TO ODI IN THOSE VEHICLES. DURING THIS INVESTIGATION MERCEDES BENZ PROVIDED ODI WITH 327 COMPLAINTS RELATED TO THE ESP SYSTEM IN THE MY 2000 THROUGH 2001 M CLASS VEHICLES.SEVEN OF THE COMPLAINTS SUBMITTED BY MERCEDES ALLEGED INCIDENTS OF UNCOMMANDED BRAKE ACTIVATION WHILE DRIVING, WITH TWO OF THESE INVOLVING VEHICLES IDENTIFIED IN THE ODI COMPLAINTS.NONE OF THE INCIDENTS RESULTED IN CRASH OR INJURY.HOWEVER, THE OWNERS DID EXPRESS SAFETY CONCERNS DUE TO THE SUDDEN, UNEXPECTED CHANGE IN VEHICLE SPEED AND DIRECTION. ON MAY 10, 2007 MERCEDES BENZ MET WITH NHTSA TO PROVIDE A TECHNICAL PRESENTATION AND CONDUCT A DRIVING DEMONSTRATION OF THE ESP SYSTEM PERFORMANCE WITH SIMULATED ELECTRICAL FAULTS IN THE YAW RATE SENSOR.MERCEDES SHOWED THAT THE ESP SYSTEM IS PROGRAMMED TO DIAGNOSE ELECTRICAL FAULTS AND THAT BRAKE APPLICATIONS RESULTING FROM YAW RATE SENSOR ELECTRICAL FAULTS ARE VERY SHORT IN DURATION (0.3 SECONDS OR LESS) AND DO NOT AFFECT VEHICLE CONTROL OR STABILITY. NINE OF THE CONSUMER COMPLAINTS TO ODI AND MERCEDES ALLEGED BRAKE ACTIVATIONS LONGER THAN 0.3 SECONDS, WITH SEVERAL ALLEGING THAT THE INCIDENT LASTED UNTIL THE VEHICLE CAME TO A STOP.A COMPLAINT VEHICLE THAT ALLEGED MULTIPLE INCIDENTS WAS EVALUATED BY ODI AT THE VEHICLE RESEARCH AND TEST CENTER (VRTC) IN EAST LIBERTY, OHIO.VRTC WAS UNABLE TO DUPLICATE THE CONDITION.DUE TO THE LOW COMPLAINT RATE AND ONLY ONE NEW COMPLAINT TO ODI OR MERCEDES SINCE JANUARY 2007, THIS INVESTIGATION HAS BEEN CLOSED.ODI WILL CONTINUE TO MONITOR COMPLAINTS IN THE SUBJECT VEHICLES AND OTHER MERCEDES PRODUCTS USING THE SAME YAW RATE SENSOR AND MERCEDES WILL PROVIDE UPDATES ON FIELD EXPERIENCE (COMPLAINTS, FIELD REPORTS AND WARRANTY CLAIMS) THROUGH THE END OF 2007.
PE03058 · Engine Crankshaft Pulley Failure
Opened Dec 17, 2003 · Closed Apr 22, 2004
Status: closed (inferred from source dates) · Engine And Engine Cooling:engine:gasoline:belts And Associated Pulleys
THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS PRELIMINARY EVALUATION TO INVESTIGATE ALLEGATIONS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE THAT COULD RESULT IN LOSS OF POWER-STEERING ASSIST.ODI HAS RECEIVED A TOTAL OF 546 NON-DUPLICATIVE REPORTS THAT ALLEGE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON ALL MERCEDES-BENZ VEHICLES USING THE SUBJECT COMPONENT.THE SUBJECT COMPONENT FAILURES ARE PROGRESSIVE IN NATURE AND ONLY A SMALL PERCENTAGE OF THE COMPLAINTS AND WARRANT CLAIMS INVOLVED A FAILURE THAT HAD PROGRESSED FAR ENOUGH TO EFFECT POWER STEERING PERFORMANCE (6 OF 55 ODI COMPLAINTS REFERENCE INCREASED STEERING EFFORT).THERE HAVE BEEN NO CRASHES OR INJURIES RELATED TO THE ALLEGED DEFECT.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.SEE SUMMARY REPORT ATTACHED FOR FURTHER DETAIL.
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