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1999 Mercedes Benz E Class

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 9 of 13 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Suspension. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Equipment. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

13 reports
150,000 miles · Dec 11, 2013
SteeringSuspension

WHILE DRIVING CAR ON A LOCAL EXCURSION OF APPROXIMATELY 30 MILES, I NOTICED THAT THE STEERING WHEEL NO LONGER LINED UP STRAIT. TOWARD THE END OF THE TRIP, I NOTED WHAT SEEMED LIKE STEERING IRREGULARITIES, THEN A RUBBING/ WHINING NOISE COMING FROM THE FRONT LEFT. AFTER ARRIVING HOME AFTER DARK, I COULD SMELL HOT RUBBER. ALSO T…

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WHILE DRIVING CAR ON A LOCAL EXCURSION OF APPROXIMATELY 30 MILES, I NOTICED THAT THE STEERING WHEEL NO LONGER LINED UP STRAIT. TOWARD THE END OF THE TRIP, I NOTED WHAT SEEMED LIKE STEERING IRREGULARITIES, THEN A RUBBING/ WHINING NOISE COMING FROM THE FRONT LEFT. AFTER ARRIVING HOME AFTER DARK, I COULD SMELL HOT RUBBER. ALSO THE LEFT FRONT TIRE WAS HOT TO THE TOUCH. THE NEXT MORNING, I REMOVED MY FRONT LEFT TIRE TO INSPECT THE AREA. I FOUND THE END OF THE LOWER CONTROL ARM CRACKED OPEN FROM THE BOTTOM AND BENT UPWARD. THE CONTROL ARM IS HOLLOW AND APPEARED TO HAVE RUSTED FROM THE INSIDE OUT, WHICH APPARENTLY CAUSED THE FAILURE. THE LOWER BALL JOINT WAS BENT INWARD AND THE DRIVERS SIDE FRONT OF THE CAR WAS LOWER THAN THE PASSENGER SIDE. DURING MY TRAVELS, I HAD NOT HIT ANY BUMPS TO CAUSE SUCH DAMAGE. HAD THIS BROKEN ALL THE WAY THROUGH, I WOULD LIKELY HAVE LOST CONTROL OF THE VEHICLE. I FEEL VERY LUCKY. AFTER AN ONLINE SEARCH, I FOUND TWO OTHER INCIDENTS OF THIS HAPPENING IN THIS MODEL MERCEDES. ALSO, MY INDEPENDENT MERCEDES REPAIR SHOP HAS SEEN THIS FAILURE BEFORE. *TR

NHTSA ODI #10555666

125,000 miles · Aug 5, 2011
Suspension

TL* THE CONTACT OWNS A 1999 MERCEDES BENZ E55. WHILE DRIVING APPROXIMATELY 25 MPH, THE CONTACT HEARD A LOUD POPPING NOISE OUTSIDE OF THE VEHICLE. SUDDENLY, THE STEERING WHEEL BEGAN TO TURN TO THE RIGHT AND THE FRONT PASSENGER SIDE OF THE VEHICLE COLLAPSED ONTO THE GROUND. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER, WHO STATED…

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TL* THE CONTACT OWNS A 1999 MERCEDES BENZ E55. WHILE DRIVING APPROXIMATELY 25 MPH, THE CONTACT HEARD A LOUD POPPING NOISE OUTSIDE OF THE VEHICLE. SUDDENLY, THE STEERING WHEEL BEGAN TO TURN TO THE RIGHT AND THE FRONT PASSENGER SIDE OF THE VEHICLE COLLAPSED ONTO THE GROUND. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER, WHO STATED THAT THE PASSENGER SIDE UPPER SPRING PERCH FRACTURED, WHICH RESULTED IN A SEPARATION FROM THE FRAME. THE CONTACT WAS WAITING FOR A RESPONSE FROM THE DEALER REGARDING THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 125,000.

NHTSA ODI #10417172

104,303 miles · Sep 30, 2009
Structure

SPRING PERCH BROKE OFF DUE TO RUST .THE FRONT OF THE CAR FELL DOWN ON TO THE WHEEL AND WAS UNDRIVABLE. *TR

NHTSA ODI #10285830

90,000 miles · Aug 27, 2009
StructureSuspension

I OWN A 1999 MERCEDES BENZ E55 AMG (W210). AFTER PARKING THE CAR WHILE GROCERY SHOPPING, I RETURNED AND FOUND THE FRONT OF THE VEHICLE MUCH LOWER THAN NORMAL. UPON FURTHER INSPECTION, THE DRIVER'S SIDE FRONT COIL SPRING AND TWO OTHER PARTS WERE FOUND LYING UNDER THE VEHICLE. I MOVED THE VEHICLE SLIGHTLY TO LOOK FOR ADDITIONAL …

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I OWN A 1999 MERCEDES BENZ E55 AMG (W210). AFTER PARKING THE CAR WHILE GROCERY SHOPPING, I RETURNED AND FOUND THE FRONT OF THE VEHICLE MUCH LOWER THAN NORMAL. UPON FURTHER INSPECTION, THE DRIVER'S SIDE FRONT COIL SPRING AND TWO OTHER PARTS WERE FOUND LYING UNDER THE VEHICLE. I MOVED THE VEHICLE SLIGHTLY TO LOOK FOR ADDITIONAL BROKEN PARTS AND WAS ABLE TO DRIVE HOME AT 15 MPH, MAKING ONLY VERY MINOR TURNS (FOR APPROXIMATELY 1/4 MILE). UPON INSPECTION WITH THE WHEEL OFF, THE UPPER SPRING PERCH HAD BECOME ALMOST COMPLETELY SEPARATED FROM THE FRAME RAIL, SEVERED THE ABS SENSOR WIRE (WHICH CAUSED SEVERAL WARNING CODES RELATED TO THE ABS, BAS AND ESP BRAKING SYSTEMS), AND HAD ALSO CHIPPED THE INNER RIM OF THE WHEEL AND PUT A VERY LARGE SLASH NEAR THE BEAD OF THE TIRE. I HAD JUST INSPECTED THE PASSENGER SIDE THE WEEK PRIOR WHILE CHANGING A FLAT TIRE, AND WITNESSED NO CORROSION/RUST WHATSOEVER. VEHICLE HAS 90,000 MILES, HAS NOT BEEN DRIVEN IN THE WINTER, AND THE ONLY RUST ON THE VEHICLE IS WHERE THE SPRING PERCH TORE AWAY FROM THE FRAME RAIL. THE REST OF THE CAR, BODY AND UNDERCARRIAGE, IS RUST FREE. I CONTACTED MY LOCAL MERCEDES BENZ DEALER AND WAS OFFERED NO HELP, AND STRONGLY DISCOURAGED AGAINST THERE BEING ANYTHING THAT WOULD BE DONE FOR ME, AS IF THEY WERE READING A SCRIPT RELATING TO THE AGE OF THE CAR AND LOCATION/CLIMATE. I IMMEDIATELY CONTACTED MB USA, WHO IS CURRENTLY INVESTIGATING THE CLAIM. *TR

NHTSA ODI #10281915

Mileage unknown · May 15, 2009
Suspension

FRONT SPRING SUPPORT FAILED ON 2000 MERCEDES E300 WHILE DRIVING ON THE HIGHWAY. THE COIL SPRING WAS EJECTED AND COULD HAVE PUNCTURED THE FRONT TIRE. CAUSE WAS DETERMINED TO BE A RUST AT THE WELD POINTS FOR THE UPPER CONSTRAINT FOR THE FRONT COIL SPRING. *TR

NHTSA ODI #10268830

99,059 miles · Sep 23, 2008
Suspension

ON APRIL 27, 2008 MY CAR'S FRONT LEFT SIDE SPRING FAILED WHEN DRIVING BACK HOME AT A SPEED OF 30 MPH. IF I HAD BEEN DRIVING ON THE FREEWAY, I MAY HAVE LOST CONTROL AND GOT INTO AN ACCIDENT. WHEN THE PERCH RIPPED OFF, IT SOUNDS LIKE MY WHEEL CAME OFF. THE STEERING WAS JAMMED AND I PULLED OVER TO THE SHOULDER AND FOUND THE SPRING …

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ON APRIL 27, 2008 MY CAR'S FRONT LEFT SIDE SPRING FAILED WHEN DRIVING BACK HOME AT A SPEED OF 30 MPH. IF I HAD BEEN DRIVING ON THE FREEWAY, I MAY HAVE LOST CONTROL AND GOT INTO AN ACCIDENT. WHEN THE PERCH RIPPED OFF, IT SOUNDS LIKE MY WHEEL CAME OFF. THE STEERING WAS JAMMED AND I PULLED OVER TO THE SHOULDER AND FOUND THE SPRING ON THE PAVEMENT. ON MAY 3, 2008 I DROVE TO NEAREST AUTO SHOP WHICH IS ABOUT 2 MILES AWAY AND PAID $80 FOR AN INITIAL CHECK UP AND THEY FOUND OUT THAT THEY COULDN'T FIX IT. THE SPRING PERCH RUSTED AWAY AND BROKE. I COMPLAINED WITH MERCEDES BENZ USA AND I DID NOT GET ANY ANSWER FROM THEM. IT'S BEEN IN MY GARAGE FOR FIVE MONTHS. *TR

NHTSA ODI #10243255

99,059 miles · May 9, 2008
Suspension

ON APRIL 27 2008 MY CAR'S FRONT LEFT SIDE SPRING PERCH FAILED WHEN DRIVING HOME AT A SPEED OF 30MPH. IF I HAD BEEN DRIVING ON THE FREEWAY, I MAY HAVE LOST CONTROL AND GOT INTO AN ACCIDENT. WHEN THE PERCH RIPPED OFF, IT SOUNDED LIKE MY WHEEL CAME OFF. THE STEERING WAS JAMMED AND I PULLED OVER TO THE SHOULDER AND FOUND THE SPRING …

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ON APRIL 27 2008 MY CAR'S FRONT LEFT SIDE SPRING PERCH FAILED WHEN DRIVING HOME AT A SPEED OF 30MPH. IF I HAD BEEN DRIVING ON THE FREEWAY, I MAY HAVE LOST CONTROL AND GOT INTO AN ACCIDENT. WHEN THE PERCH RIPPED OFF, IT SOUNDED LIKE MY WHEEL CAME OFF. THE STEERING WAS JAMMED AND I PULLED OVER TO THE SHOULDER AND FOUND THE SPRING ON THE PAVEMENT. IT HAPPENED WHEN I WAS DRIVING BACK HOME. ON MAY 3, I DROVE TO THE NEAREST AUTO SHOP WHICH IS ABOUT 2 MILES AWAY AND PAID $80 FOR AN INITIAL CHECK UP AND THEY FOUND OUT THAT THEY COULDN'T FIX IT. THE SPRING PERCH RUSTED AWAY AND BROKE. I HAVE HAD 4 MERCEDES SO FAR, 1984 300D, 1987 SEL 420, 1991 300D AND THIS 1999 E300D. I'VE NEVER HAD ANY PROBLEMS WITH THE SPRING PERCHES WITH THE 3 OLDER MODELS BUT, THIS 1999 E300D HAD THIS PROBLEM. THIS 1999 E300D WILL BE THE LAST MERCEDES I WILL EVER OWN. *TR

NHTSA ODI #10227187

120,000 miles · Aug 29, 2007
Suspension

TL*THE CONTACT OWNS A 1999 MERCEDES BENZ E CLASS. ON AUGUST 27, 2007, WHILE DRIVING 10 MPH, THE CONTACT HEARD A LOUD CLUNKING NOISE COMING FROM THE VEHICLE. HE DECELERATED AND NOTICED THAT THE DRIVER SIDE HOOD APPEARED LOWER TO THE GROUND THAN THE PASSENGER SIDE. HE PULLED OVER AND NOTICED A COIL SPRING ROLLING ACROSS THE ROA…

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TL*THE CONTACT OWNS A 1999 MERCEDES BENZ E CLASS. ON AUGUST 27, 2007, WHILE DRIVING 10 MPH, THE CONTACT HEARD A LOUD CLUNKING NOISE COMING FROM THE VEHICLE. HE DECELERATED AND NOTICED THAT THE DRIVER SIDE HOOD APPEARED LOWER TO THE GROUND THAN THE PASSENGER SIDE. HE PULLED OVER AND NOTICED A COIL SPRING ROLLING ACROSS THE ROAD. THE VEHICLE WAS TOWED. HE STATED THAT HE DID NOT DRIVE OVER ANYTHING THAT MAY HAVE CAUSED THE FAILURE. THE DEALER STATED THAT THE FRONT SPRING PERCH MOUNT WAS RUSTED AND SHEARED OFF OF THE VEHICLE. THE VEHICLE IS NOT UNDER WARRANTY AND HAS NOT BEEN REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 120,000.

NHTSA ODI #10201527

Mileage unknown · Dec 26, 2006
Structure

1999 MERCEDES-BENZ E-300 AND E-430 ANTI-NOISE CAPSULE FELL OFF***CC SUDDENLY WITHOUT WARNING THE RIGHT FRONT WHEEL LEAPED INTO THE AIR WITH A LOUD BANG. THE CONSUMER ASSUMED THAT THE RIGHT FRONT TIRE HAD BLOWN OUT. THE CONSUMER LOST CONTROL OF THE VEHICLE MOMENTARILY THEN MOVED SLOWLY OFF THE ROAD. UPON INSPECTION THE CONSUM…

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1999 MERCEDES-BENZ E-300 AND E-430 ANTI-NOISE CAPSULE FELL OFF***CC SUDDENLY WITHOUT WARNING THE RIGHT FRONT WHEEL LEAPED INTO THE AIR WITH A LOUD BANG. THE CONSUMER ASSUMED THAT THE RIGHT FRONT TIRE HAD BLOWN OUT. THE CONSUMER LOST CONTROL OF THE VEHICLE MOMENTARILY THEN MOVED SLOWLY OFF THE ROAD. UPON INSPECTION THE CONSUMER SAW THAT NONE OF THE TIRES HAD BLOWN OUT BUT THAT THE UNDERSIDE OF THE FRONT END OF THE VEHICLE HAD DROPPED TO THE GROUND. THE SAME PART CAME OFF THE CONSUMER E430 TEN DAYS AGO. ON THE E430 MODEL THE PART IS CALLED A COOLING PAN. *NM

NHTSA ODI #10177494

Mileage unknown · Aug 22, 2006
Fuel System, Other

1999 MERCEDES BENZ E300 TURBO DIESEL OVERFLOW FUEL LINES CRACKS AND LEAKS. FUEL DRIPS TO GARAGE FLOOR, CREATING DANGEROUS FUEL/AIR MIXTURE IN AN ENCLOSED ENVIRONMENT. RETURNED CAR TO DEALER FOR SERVICE. DEALER SERVICE SAID THIS IS COMMON OCCURRENCE FOR THIS CAR, BECAUSE CAR IS 6 YEARS OLD AND THE OVERFLOW FUEL LINES ARE MADE OF …

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1999 MERCEDES BENZ E300 TURBO DIESEL OVERFLOW FUEL LINES CRACKS AND LEAKS. FUEL DRIPS TO GARAGE FLOOR, CREATING DANGEROUS FUEL/AIR MIXTURE IN AN ENCLOSED ENVIRONMENT. RETURNED CAR TO DEALER FOR SERVICE. DEALER SERVICE SAID THIS IS COMMON OCCURRENCE FOR THIS CAR, BECAUSE CAR IS 6 YEARS OLD AND THE OVERFLOW FUEL LINES ARE MADE OF RUBBER AND THEY NEED TO BE REPLACED. COST OF REPLACEMENT ABOUT $1,000.00. *NM

NHTSA ODI #10166196

Official recalls

1

98V256000 · Air Bags:frontal; Air Bags:side/window

Oct 14, 1998

VEHICLE DESCRIPTION: PASSENGER VEHICLES. A WRONG CLAMP MAY HAVE BEEN INSTALLED ON THE WINDOW AIR BAG UNITS.

Consequence & remedy

Consequence: THE WINDOW AIR BAG MAY NOT FULLY DEPLOY IN A SIDE-IMPACT COLLISION, INCREASING THE RISK OF INJURY TO THE VEHICLE OCCUPANT.

Remedy: DEALERS WILL INSPECT THE WINDOW AIR BAG UNITS AND, IF THE WRONG OR INCORRECTLY INSTALLED CLAMP IS FOUND, THE ENTIRE UNIT WILL BE REPLACED.

Additional source detail variants (2)

Air Bags:side/window

VEHICLE DESCRIPTION: PASSENGER VEHICLES. A WRONG CLAMP MAY HAVE BEEN INSTALLED ON THE WINDOW AIR BAG UNITS.

Consequence: THE WINDOW AIR BAG MAY NOT FULLY DEPLOY IN A SIDE-IMPACT COLLISION, INCREASING THE RISK OF INJURY TO THE VEHICLE OCCUPANT.

Remedy: DEALERS WILL INSPECT THE WINDOW AIR BAG UNITS AND, IF THE WRONG OR INCORRECTLY INSTALLED CLAMP IS FOUND, THE ENTIRE UNIT WILL BE REPLACED.

Air Bags:frontal

VEHICLE DESCRIPTION: PASSENGER VEHICLES. A WRONG CLAMP MAY HAVE BEEN INSTALLED ON THE WINDOW AIR BAG UNITS.

Consequence: THE WINDOW AIR BAG MAY NOT FULLY DEPLOY IN A SIDE-IMPACT COLLISION, INCREASING THE RISK OF INJURY TO THE VEHICLE OCCUPANT.

Remedy: DEALERS WILL INSPECT THE WINDOW AIR BAG UNITS AND, IF THE WRONG OR INCORRECTLY INSTALLED CLAMP IS FOUND, THE ENTIRE UNIT WILL BE REPLACED.

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

2

PE07021 · Front Suspension Coil Spring Ejection

Opened Apr 19, 2007 · Closed Aug 9, 2007

Status: closed (inferred from source dates) · Suspension:front:springs:coil Springs

ODI HAS FOCUSED THIS INVESTIGATION ON ASSESSING THE RISKS POSED BY A SEPARATED SPRING AS (1) A ROAD HAZARD AND (2) THE POTENTIAL FOR VEHICLE CONTROL TO BE COMPROMISED AFTER THE FRONT COIL SPRING HAS BEEN EJECTED FROM ITS INTENDED POSITION IN THE VEHICLE.BOTH RISKS ARE ASSOCIATED WITH CORROSION, FLEXING, AND FRACTURE OF THE UPPER FRONT SUSPENSION MOUNTING BRACKET.TIME-IN-SERVICE FAILURE RATES ARE NOTABLY HIGHER IN SALT BELT STATES SINCE CORROSION IS A PRIMARY CONTRIBUTOR TO THE FAILURE MODE.SINCE A NUMBER OF INCIDENTS HAVE OCCURRED WHILE THE VEHICLE WAS BEING OPERATED, ODI IS SKEPTICAL THAT OWNERS CAN ALWAYS DETECT THE SUBTLE SIDE TO SIDE DIFFERENCE IN RIDE HEIGHT AND/OR INSPECT OR NOTICE THAT THE UPPER SUSPENSION BRACKET HAS BEEN COMPROMISED BY CORROSION.(1) ROAD HAZARD - ALTHOUGH THE (APPROX. 7 LB.) FRONT SUSPENSION SPRING THAT MAY BE EJECTED AT HIGHWAY SPEEDS COULD POSE A SERIOUS ROAD HAZARD TO PEDESTRIANS AND OTHER VEHICLES, THE OCCURRENCE RATE HAS BEEN LOW (.03% BASED ON 51 REPORTED INCIDENTS OCCURRING AND AN INITIAL POPULATION OF 172,781 VEHICLES AFTER 9 - 12 YEARS OF USE / EXPOSURE) AND THERE ARE NO KNOWN INJURIES, FATALITIES, OR PROPERTY DAMAGE REPORTS DUE TO AN EJECTED SPRING.ALSO, MANY OF THE 51 INCIDENTS OCCURRED AT LOW SPEED OR WHILE THE VEHICLE WAS STOPPED OR PARKED.(2) VEHICLE CONTROL - VEHICLE HANDLING AND CONTROL COULD BE AFFECTED BY THE FRACTURE OF THE UPPER SUSPENSION MOUNT AND/OR THE ASSOCIATED SPRING EJECTION.ODI FIRST IDENTIFIED ITS CONCERN ABOUT CORROSION IN THE UPPER SUSPENSION BRACKET OF SUBJECT VEHICLES IN 2002, AT WHICH TIME MERCEDES PROVIDED A VIDEO THAT SHOWED THAT A VEHICLE COULD BE STEERED, STOPPED, AND CONTROLLED THROUGH VARIOUS MANEUVERS AT HIGH SPEEDS WITH A FRONT COIL SPRING COMPLETELY MISSING FROM THE VEHICLE. DURING PE07-021, IN ADDITION TO REVIEWING THE 2002 VIDEO-TAPE, ODI ENGINEERS DROVE AN EXEMPLAR VEHICLE WITH THE SPRING REMOVED AND SIMULATED VARIOUS COMBINATIONS OF STEERING ANGLES TO ASSESS WHETHER THERE WERE ANY POSSIBLE CONDITIONS / DISPLACEMENTS IN WHICH THE SEPARATED SPRING MIGHT INTERFERE WITH THE WHEELS. IN A VEHICLE WITH THE FRONT SPRING REMOVED, THE TOP OF THE WHEEL CAN LIGHTLY CONTACT THE BOTTOM AREA OF THE WHEEL FENDER DURING HIGH ANGLE TURNS TYPICALLY ASSOCIATED WITH SLOWER SPEED MANEUVERS SUCH AS CITY DRIVING. THE LIGHT TIRE CONTACT GENERATED AN OBVIOUS GRINDING NOISE AND WOULD LIKELY ABRADE OR BEND THE EDGE OF THE FENDER WITH CONTINUED USE.HOWEVER, THE EXTENT OF THE INTERFERENCE WAS NOT SUFFICIENT TO AFFECT VEHICLE STEERING AND DOES NOT OCCUR AT SMALLER TURNING ANGLES ASSOCIATED WITH HIGHWAY DRIVING.ODI HAS NOT IDENTIFIED A SAFETY RELATED DEFECT TREND AT THIS TIME.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 THAT A SAFETY RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF FUTURE CIRCUMSTANCES WARRANT.

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.