NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
37 reports70,000 miles · Aug 15, 2013
Electrical System
2006 MERCEDES BENZ ML 500. CONSUMER WRITES IN REGARDS TO VEHICLE ELECTRICAL ISSUES. *SMD THE CONSUMER STATED HE SAW ON THE NEWS THERE WAS A POTENTIAL RECALL ON THE C CLASS MERCEDES BENZ DUE TO ELECTRICAL ISSUES IN THE REAR TAIL LIGHTS WHICH SHORT OUT AND CATCH FIRE. THE CONSUMER STATED HE HAD THE SAME ISSUE WITH HIS VEHICLE.…
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2006 MERCEDES BENZ ML 500. CONSUMER WRITES IN REGARDS TO VEHICLE ELECTRICAL ISSUES. *SMD THE CONSUMER STATED HE SAW ON THE NEWS THERE WAS A POTENTIAL RECALL ON THE C CLASS MERCEDES BENZ DUE TO ELECTRICAL ISSUES IN THE REAR TAIL LIGHTS WHICH SHORT OUT AND CATCH FIRE. THE CONSUMER STATED HE HAD THE SAME ISSUE WITH HIS VEHICLE. TWO YEARS AGO, THE ENTIRE REAR TAIL LIGHT COMPARTMENT, WIRING AND BULBS HAD TO BE REPLACED, DUE TO CORROSION. SHORTLY AFTER THE REPLACEMENT OF THE TAIL LIGHTS, THE LOCK ON THE TAILGATE DOOR BEGAN TO OPEN AND CLOSE, THE COMPUTER PANEL ON THE DASH BEGAN TO BLINK INDICATING A COMPLETE ELECTRICAL FAILURE. HE WAS ABLE TO MAKE IT HOME. HOWEVER, THE NEXT THE DAY, THE BATTERY WAS DEAD. AAA CAME OUT AND REPLACED THE BATTERY, BUT THE CHARGE DID NOT HOLD FOR VERY LONG. HE WAS ABLE TO CHARGE THE BATTERY LONG ENOUGH, TO GET TO THE DEALER. ONCE AT THE DEALER, A DIAGNOSIS REVEALED A COMPLETE ELECTRICAL SHORTAGE. TWO WEEKS AFTER THE REPAIR, WHILE DRIVING DOWN THE ROAD, THE WIPERS, LIGHTS, BLINKERS AND LOCKS STOPPED WORKING. THE VEHICLE WAS TAKEN BACK TO THE DEALER ONCE AGAIN, AND A DIAGNOSIS REVEALED ANOTHER ELECTRICAL SHORTAGE. THE REPAIR WAS DONE FREE OF CHARGE.
NHTSA ODI #10534583
47,000 miles · May 2, 2013
Vehicle Speed Control
VEHICLE WILL NOT ACCELERATE AFTER A STOP AT A LIGHT OR AFTER TAKING A HIGHWAY FROM A RAMP, THE ENGINE WILL REV UP BUT THE VEHICLE WILL NOT CHANGE GEARS, AFTER A PULL OVER TO THE SHOULDER OF THE ROAD SHUTTING OFF THE ENGINE AND RESTARTING IT WILL RUN NORMAL. THIS HAPPENED FOR ABOUT 20-30 TIMES UNTIL YESTERDAY I GET OUT OF WORK PU…
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VEHICLE WILL NOT ACCELERATE AFTER A STOP AT A LIGHT OR AFTER TAKING A HIGHWAY FROM A RAMP, THE ENGINE WILL REV UP BUT THE VEHICLE WILL NOT CHANGE GEARS, AFTER A PULL OVER TO THE SHOULDER OF THE ROAD SHUTTING OFF THE ENGINE AND RESTARTING IT WILL RUN NORMAL. THIS HAPPENED FOR ABOUT 20-30 TIMES UNTIL YESTERDAY I GET OUT OF WORK PULLED OUT OF THE PARKING LOT NOTICED THE VEHICLE WAS IN LIMP MODE STUCK IN 2ND AND WILL NOT CHANGE GEARS. I DID SOME RESEARCH AND FOUND OUT THAT THE CAUSE WAS FROM THE VALVE BODY OF THE TRANSMISSION OR THE CONDUCTOR PLATE AND ONLY THE DEALER IS ALOUD TO REPAIR IT ???. AND WILL COST AROUND $2500 .I READ THAT LOTS OF PEOPLE ARE HAVING PROBLEM WITH THIS 722.9 7 SPEED TRANSMISSION AND MBUSA IS NOT ISSUING A RECALL. NHTSA SHOULD LOOK INTO THIS AND FORCE MBUSA TO RECALL ALL DEFECTIVE VEHICLES AND REPLACE THE VALVE BODY AT NO COST BECAUSE ITS A SAFETY ISSUE. *TR
NHTSA ODI #10510439
48,763 miles · Nov 23, 2012
Vehicle Speed Control
MY WIFE HAS HAD 4 INCIDENTS WHERE THE SUV HAS FELT LIKE IS WANTS TO ACCELERATE WHILE STOPPING. THE MOST RECENT INCIDENT WAS 23 NOVEMBER, WHERE AS SHE WAS COMING TO A STOP, THE CAR DOWNSHIFTED AND IT FELT LIKE SHE HAD BEEN HIT IN THE REAR. THE CAR IS GOING INTO THE MB DEALER, PARK PLACE MERCEDES BENZ, FORT WORTH 817-263-3600, 27 …
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MY WIFE HAS HAD 4 INCIDENTS WHERE THE SUV HAS FELT LIKE IS WANTS TO ACCELERATE WHILE STOPPING. THE MOST RECENT INCIDENT WAS 23 NOVEMBER, WHERE AS SHE WAS COMING TO A STOP, THE CAR DOWNSHIFTED AND IT FELT LIKE SHE HAD BEEN HIT IN THE REAR. THE CAR IS GOING INTO THE MB DEALER, PARK PLACE MERCEDES BENZ, FORT WORTH 817-263-3600, 27 NOVEMBER FOR INVESTIGATION. *TR
NHTSA ODI #10485867
94,000 miles · Feb 22, 2012
Air Bags
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML500. THE CONTACT STATED THAT THE SRS LIGHT WAS ILLUMINATED. THE CONTACT TOOK THE VEHICLE TO A MECHANIC AND WAS TOLD THAT WHENEVER ONE AIR BAG WAS MALFUNCTIONING, IT WOULD PREVENT ALL OF THE AIR BAGS FROM FUNCTIONING PROPERLY. THE CONTACT RECEIVED A NOTICE FROM THE MANUFACTURER PRIOR TO…
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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML500. THE CONTACT STATED THAT THE SRS LIGHT WAS ILLUMINATED. THE CONTACT TOOK THE VEHICLE TO A MECHANIC AND WAS TOLD THAT WHENEVER ONE AIR BAG WAS MALFUNCTIONING, IT WOULD PREVENT ALL OF THE AIR BAGS FROM FUNCTIONING PROPERLY. THE CONTACT RECEIVED A NOTICE FROM THE MANUFACTURER PRIOR TO THE FAILURE, STATING THAT THE WARRANTY ON THE AIR BAG HARNESS WOULD BE EXTENDED TO 100,000 MILES. THE MANUFACTURER WAS CONTACTED AND REFUSED TO DO ANY REPAIRS. THE VIN WAS NOT AVAILABLE. THE FAILURE AND THE CURRENT MILEAGE WAS 94,000. THE VIN WAS NOT AVAILABLE.
NHTSA ODI #10448931
98,000 miles · Dec 16, 2011
Steering
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML500. THE CONTACT WAS DRIVING APPROXIMATELY 50 MPH APPROACHING A TURN AND HEARD A NOISE COMING FROM THE STEERING WHEEL. IMMEDIATELY, THERE WAS A SLIGHT LOSS IN THE POWER STEERING AND LEAKAGE OF FLUID. THERE WAS A RECALL UNDER NHTSA CAMPAIGN ID NUMBER UNDER 05V224000 (STEERING: HYDRAULIC…
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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML500. THE CONTACT WAS DRIVING APPROXIMATELY 50 MPH APPROACHING A TURN AND HEARD A NOISE COMING FROM THE STEERING WHEEL. IMMEDIATELY, THERE WAS A SLIGHT LOSS IN THE POWER STEERING AND LEAKAGE OF FLUID. THERE WAS A RECALL UNDER NHTSA CAMPAIGN ID NUMBER UNDER 05V224000 (STEERING: HYDRAULIC POWER ASSIST SYSTEM). THE VIN WAS NOT INCLUDED IN THE RECALL. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 98,000.
NHTSA ODI #10440197
80,000 miles · Jul 15, 2011
Structure
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML 500. THE CONTACT STATED WHEN WHENEVER IT WOULD RAIN, WATER WOULD ENTER THE VEHICLE THROUGH THE REAR HATCH AND SPLASHED ONTO THE FUSE BOX. THE CONTACT STATED THAT THE CONTROL MODULE WOULD BECOME WET AND CAUSE THE ELECTRICAL COMPONENTS TO MALFUNCTION. THE EXTERIOR LIGHTING FAILED AS A…
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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML 500. THE CONTACT STATED WHEN WHENEVER IT WOULD RAIN, WATER WOULD ENTER THE VEHICLE THROUGH THE REAR HATCH AND SPLASHED ONTO THE FUSE BOX. THE CONTACT STATED THAT THE CONTROL MODULE WOULD BECOME WET AND CAUSE THE ELECTRICAL COMPONENTS TO MALFUNCTION. THE EXTERIOR LIGHTING FAILED AS A RESULT OF THE ELECTRICAL MALFUNCTION. THE CONTACT STATED THAT THE FAILURE COULD POTENTIALLY RESULT IN A FIRE DUE THE WATER GETTING ON THE ELECTRICAL COMPONENTS. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHERE THE DEALER WAS REPLACING THE GASKET FOR THE REAR LIGHTS. THE FAILURE MILEAGE WAS 80,000.
NHTSA ODI #10412423
71,000 miles · Jun 7, 2011
SeatsFire
THIS EVENT IS A ONE TIME OCCURRENCE--THANK GOODNESS! WHILE DRIVING DOWN A 4 LANE RESIDENTIAL THOROUGHFARE, THE INTERIOR FILLED WITH SMOKE, I BEGAN COUGHING & GASPING FOR AIR AND THE SEAT BACK BECAME VERY HOT, ALL SEEMINGLY SIMULTANEOUS. INSTANTLY OPENING WINDOWS PROVIDED OXYGEN & CLEARED THE SMOKE AS TURNING OFF THE SEAT HEATER …
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THIS EVENT IS A ONE TIME OCCURRENCE--THANK GOODNESS! WHILE DRIVING DOWN A 4 LANE RESIDENTIAL THOROUGHFARE, THE INTERIOR FILLED WITH SMOKE, I BEGAN COUGHING & GASPING FOR AIR AND THE SEAT BACK BECAME VERY HOT, ALL SEEMINGLY SIMULTANEOUS. INSTANTLY OPENING WINDOWS PROVIDED OXYGEN & CLEARED THE SMOKE AS TURNING OFF THE SEAT HEATER RELIEVED THE HOT SEAT SITUATION. GRATEFULLY, I WAS NOT IN FREEWAY TRAFFIC, COULD PULL TO THE CURB. EXAMINATION ON THE LEFT SIDE OF THE DRIVERS SEAT BACK, ABOUT WAIST HIGH, REVEALED A HOLE ABOUT THE SIZE OF A FAT CIGAR BURN. MY SEAT HAD APPEARED ABOUT TO BURST INTO FLAMES! *TR
NHTSA ODI #10405522
36,039 miles · Dec 30, 2010
Power Train
2006 ML500 WAS PURCHASED IN JUNE, 2010 AS A CPO, ONE WEEK AFTER PURCHASE VEHICLE BEGAN TO LURCH FORWARD WHILE COMPLETELY STOPPED AT A STOP LIGHT. THE NEXT DAY VEHICLE WAS TAKEN TO MERCEDES SERVICE AND MECHANIC WAS ABLE TO DUPLICATE PROBLEM. WAS TOLD FLUSHING TRANSMISSION WAS ANSWER, BUT PROBLEM CONTINUED FOR MONTHS. VEHICLE …
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2006 ML500 WAS PURCHASED IN JUNE, 2010 AS A CPO, ONE WEEK AFTER PURCHASE VEHICLE BEGAN TO LURCH FORWARD WHILE COMPLETELY STOPPED AT A STOP LIGHT. THE NEXT DAY VEHICLE WAS TAKEN TO MERCEDES SERVICE AND MECHANIC WAS ABLE TO DUPLICATE PROBLEM. WAS TOLD FLUSHING TRANSMISSION WAS ANSWER, BUT PROBLEM CONTINUED FOR MONTHS. VEHICLE THEN BEGAN TO STICK IN NEUTRAL WHILE ATTEMPTING TO SHIFT TO DRIVE OR REVERSE. SEVERAL TIMES WAS STUCK IN TRAFFIC DUE TO THIS PROBLEM. AFTER MANY INSTANCES OF THIS, VEHICLE WAS TAKEN BACK TO MERCEDES SERVICE. WAS TOLD PROBLEM WAS DUE TO SNAP RING COMING LOOSE. REFUSED TO DRIVE VEHICLE ANY LONGER AND GOT RID OF IT. *TR
NHTSA ODI #10373422
43,444 miles · Aug 10, 2010
Electrical SystemElectronic Stability Control (esc)
ON AN OUT OF TOWN TRIP ON THE HIGHWAY, OUR SUV BRAKE, ABS, ESP LIGHTS WENT ON, THE INSTRUMENT PANEL SHOW THAT ABS, ESP, DISPLAY MALFUNCTION, CONTRACT SERVICE. POWER STEERING AND BRAKE ARE BOTH VERY TIGHT. SPEEDOMETER WENT TO ZERO. AFTER WE REPORT THE INCIDENCE TO M-BRACE SERVICE, WE MANAGE GOT OFF THE HIGHWAY FROM THE NEXT IMMED…
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ON AN OUT OF TOWN TRIP ON THE HIGHWAY, OUR SUV BRAKE, ABS, ESP LIGHTS WENT ON, THE INSTRUMENT PANEL SHOW THAT ABS, ESP, DISPLAY MALFUNCTION, CONTRACT SERVICE. POWER STEERING AND BRAKE ARE BOTH VERY TIGHT. SPEEDOMETER WENT TO ZERO. AFTER WE REPORT THE INCIDENCE TO M-BRACE SERVICE, WE MANAGE GOT OFF THE HIGHWAY FROM THE NEXT IMMEDIATE EXIT TO THE CLOSEST GAS STATION, AND THE CHECK ENGINE LIGHT WENT ON, THE CAR WAS TOTALLY OFF BY ITSELF. WE SPENT ONE NIGHT WITH A FRIEND NEARBY. THE NEXT MORNING, THE 25TH, WE TOOK OFF FROM FRIENDS DRIVE WAY, THE INSTRUMENT PANEL SHOWS NORMAL, WE HAD 43,432 MILES ON THE CAR. AFTER 12 MILES TRAVELING, ALL THE ISSUES WE HAD PREVIOUS DAY HAPPENED AGAIN. WE MANAGED GET HOME BY REFERENCING RPM AND SOME SLOW DRIVER'S SPEED. AND WHEN WE REACH HOME, THE MILEAGE IS 43,448. THE WHOLE TRIP ONLY RECORDED 18 MILES FROM CARMEL, ID TO METRO DETROIT AREA. WE CONTACTED THE DEALER AND MERCEDES CUSTOMER SERVICE, THE PROBLEM WAS IDENTIFIED AS ESP MODULE FAILURE. OUR CONCERN IS EVEN WITH A ELECTRONIC PART MALFUNCTION, THE SPEEDOMETER AND ODOMETER SHOULDN'T STOP. PLEASE LOOKING INTO THIS ISSUE. THANK YOU. *TR
NHTSA ODI #10348487
40,000 miles · May 18, 2010
Exterior LightingLatches/locks/linkagesSeatsFire
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML500. WHILE DRIVING 65 MPH WITH THE DRIVERS SIDE HEATED SEAT ACTIVATED, THE CONTACT NOTICED THAT THE SEAT WAS MELTING. THE DEALER REUPHOLSTERED THE SEAT AND THE VEHICLE WAS RELEASED TO THE OWNER. THE CONTACT WAS DRIVING 3 MPH WHEN THE BRAKE WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PA…
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TL* THE CONTACT OWNS A 2006 MERCEDES BENZ ML500. WHILE DRIVING 65 MPH WITH THE DRIVERS SIDE HEATED SEAT ACTIVATED, THE CONTACT NOTICED THAT THE SEAT WAS MELTING. THE DEALER REUPHOLSTERED THE SEAT AND THE VEHICLE WAS RELEASED TO THE OWNER. THE CONTACT WAS DRIVING 3 MPH WHEN THE BRAKE WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER REPLACED THE BRAKE WIRING HARNESS TO CORRECT THE FAILURE. IN ADDITION, THE CONTACT ALSO ADVISED THE DEALER THAT THE POWER DOOR LOCKS COULD ONLY BE USED MANUALLY. THE DEALER CONFIRMED THAT THE POWER DOOR LOCK SWITCH NEEDED TO BE REPLACED AS WELL. THE CURRENT AND FAILURE MILEAGES WERE 40,000.
NHTSA ODI #10330995