BALANCE SHAFT REQUIRES ENGINE TO BE REMOVED AND REPAIRED AT A COST OF $4200 (AFTER 47,000 MILES). TOLD BY A NUMBER OF MECHANICS THAT THIS IS A COMMON PROBLEM WITH THIS ENGINE IN ML 350 MERCEDES BENZ, 2006,2007. *TR
2007 Mercedes Benz ML350
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2007 Mercedes Benz ML350 do not stand out strongly from the model-year median of 51.
About this comparison →How this year compares
Owner complaints by model year
Compare all ML350 years →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
71 reports with mileage · 12 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.
- Seats. Review the 30 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
83 reportsHELLO, TODAY, SUNDAY DECEMBER 12, 2010 AT 10:15 A.M., WHILE I WAS DRIVING IN MY VEHICLE, I HAD ON THE HEATED SEATS FEATURE. MYSELF AND OTHERS IN THE CAR SMELLED A BAD BURNING SMELL, SO WE THOUGHT IT WAS COMING FROM OUTSIDE, UNTIL I FELT A BURNING SENSATION ON MY LEFT SIDE OF MY BACK AND SAW SMOKE COMING FROM THE SIDE OF MY S…
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HELLO, TODAY, SUNDAY DECEMBER 12, 2010 AT 10:15 A.M., WHILE I WAS DRIVING IN MY VEHICLE, I HAD ON THE HEATED SEATS FEATURE. MYSELF AND OTHERS IN THE CAR SMELLED A BAD BURNING SMELL, SO WE THOUGHT IT WAS COMING FROM OUTSIDE, UNTIL I FELT A BURNING SENSATION ON MY LEFT SIDE OF MY BACK AND SAW SMOKE COMING FROM THE SIDE OF MY SEAT! THE SEAT WAS BURNING AND SMOKING AND IT BURNED MY SWEATER THAT I HAD ON AS WELL. SINCERELY, ANGRY MERCEDES-BENZ OWNER. *TR
NOTICED POWER STEERING BINDING ON OUR 2007 MERCEDES BENZ ML 350 ON 10/15/2010. THIS WAS A FIRST TIME OCCURRENCE. TOOK TO DEALER ON 10/20/2010. DEALER DIAGNOSED PROBLEM AS U JOINT ON STEERING COLUMN CONNECTED TO POWER STEERING PUMP NOT FUNCTIONING. DEALER REPLACED LOWER SECTION OF STEERING COLUMN. *TR
WE HAVE A 2007 MERCEDES BENZ ML350 AND JUST BOUGHT THE EXTENDED NEW CAR WARRANTY FOR AN ADDITIONAL $4500. IT WAS RAINING AND THE ALARM ON THE CAR WENT OFF, ALL THE LIGHTS IN THE CAR STOPPED WORKING AND THE REAR LFT GATE STOPPED WORKING AS WELL AS REAR LOCKS. THE DEALERSHIP FINALLY DIAGNOSED THE PROBLEM AFTER 3 DAYS AND STATED …
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WE HAVE A 2007 MERCEDES BENZ ML350 AND JUST BOUGHT THE EXTENDED NEW CAR WARRANTY FOR AN ADDITIONAL $4500. IT WAS RAINING AND THE ALARM ON THE CAR WENT OFF, ALL THE LIGHTS IN THE CAR STOPPED WORKING AND THE REAR LFT GATE STOPPED WORKING AS WELL AS REAR LOCKS. THE DEALERSHIP FINALLY DIAGNOSED THE PROBLEM AFTER 3 DAYS AND STATED THAT IS BECAUSE THE REAR TAIL LIGHT IS ALLOWING WATER IN AND THAT IT COMPROMISED/RUINED THE POWER LIFT GATE CONTROL UNIT. THIS IS THE SAME PROBLEM THAT YOU ISSUED A RECALL FOR WITH THE 2009 ML350 WITH RECALL ID # 09V076000: A FAULTY SEAL AROUND THE REAR TAIL LAMP ASSEMBLY, WATER MAY ENTER THE REAR COMPARTMENT CONTAINING THE SPARE TIRE. WATER CONTAMINATION OF THE CONTROL UNIT FOR THE POWER LIFT GATE CAN RESULT IN DISABLING OF THE POWER LIFT GATE MOTOR. CONSEQUENCES: WATER WILL CAUSE A SHORT CIRCUIT WHICH COULD LEAD TO A FIRE. THE DEALERSHIP (MERCEDES BENZ OF TAMPA) AGREES THAT THIS SHOULD BE COVERED BY MERCEDES BENZ USA BUT MERCEDES BENZ USA WILL ONLY FIX THE TAIL LIGHT BUT WILL NOT PAY FOR THE COST OF RELOCATING A NEW POWER LIFT GATE UNIT (AS OUTLINED IN YOUR RECALL NOTICE FOR THE 2009 MODEL). THE DEALERSHIP HAS NOTED SEVERAL INSTANCES WHERE THE 2007 ML350 SUFFERED THE SAME PROBLEM. MOT ONLY DO I BELIEVE THERE SHOULD BE A SEPARATE RECALL FOR 2007 MODELS BUT QUITE POSSIBLY FOR 2007-2009 MODELS SINCE THE PROBLEM EXISTED BACK IN 2007 AND STILL NOTHING WAS DONE. MANY MORE FAMILIES ARE AT RISK. THIS ISSUE DISABLED MY CAR AND COULD HAVE HAPPENED WHILE WE WERE DRIVING SINCE IT ALSO AFFECTED THE BATTERY TOO. *TR
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ ML350. WHILE DRIVING AT 55 MPH, THE INSTRUMENT PANEL LIGHTS FAILED, THE REAR DOOR HATCH INDEPENDENTLY OPENED AND THE DOOR LOCKS BEGAN SPORADICALLY LOCKING AND UNLOCKING INDEPENDENTLY. THE VEHICLE WAS TAKEN TO THE DEALER AT LEAST TEN TIMES FOR THE ELECTRICAL SYSTEM FAILURE. THE DEALER AD…
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TL* THE CONTACT OWNS A 2007 MERCEDES BENZ ML350. WHILE DRIVING AT 55 MPH, THE INSTRUMENT PANEL LIGHTS FAILED, THE REAR DOOR HATCH INDEPENDENTLY OPENED AND THE DOOR LOCKS BEGAN SPORADICALLY LOCKING AND UNLOCKING INDEPENDENTLY. THE VEHICLE WAS TAKEN TO THE DEALER AT LEAST TEN TIMES FOR THE ELECTRICAL SYSTEM FAILURE. THE DEALER ADVISED UNKNOWN REPAIRS WERE MADE TO THE VEHICLE EACH TIME YET THE FAILURE WOULD RECUR. THE MANUFACTURER WAS CONTACTED BUT DID NOT PROVIDE ANY ASSISTANCE. THE FAILURE MILEAGE WAS 33,000 AND THE CURRENT MILEAGE WAS 42,000.
2007 ML350 DRIVER SEAT HEATING ELEMENT CAUSES FIRE WHILE CHILDREN IN CAR. *CN
TL*THE CONTACT OWNS A 2007 MERCEDES-BENZ ML350. THE CONTACT WAS DRIVING APPROXIMATELY BETWEEN 35-40 MPH ON NORMAL ROAD CONDITIONS. UNEXPECTEDLY, THE VEHICLE SHIFTED INTO THE "DRIVE 1" POSITION WITHOUT ASSISTANCE. THE DRIVER PULLED OVER TO THE SIDE OF THE ROAD. THE GEAR SHIFTER WAS PLACED INTO "PARK" AND THEN INTO "DRIVE". T…
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TL*THE CONTACT OWNS A 2007 MERCEDES-BENZ ML350. THE CONTACT WAS DRIVING APPROXIMATELY BETWEEN 35-40 MPH ON NORMAL ROAD CONDITIONS. UNEXPECTEDLY, THE VEHICLE SHIFTED INTO THE "DRIVE 1" POSITION WITHOUT ASSISTANCE. THE DRIVER PULLED OVER TO THE SIDE OF THE ROAD. THE GEAR SHIFTER WAS PLACED INTO "PARK" AND THEN INTO "DRIVE". THE VEHICLE WAS ABLE TO RESUME NORMAL OPERATION. THE FAILURE OCCURRED INTERMITTENT. THE VEHICLE HAS NOT BEEN REPAIRED AT THIS TIME. THE FAILURE MILEAGE WAS 25,000. UPDATED 02/19/10. *LJ UPDATED 07/13/10*JB
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ ML350. WHILE DRIVING APPROXIMATELY 35 MPH WITH THE DRIVER SIDE HEATED SEAT ACTIVATED, THERE WAS A BURNING ODOR FOLLOWED BY SMOKE. AFTER THE DRIVER PULLED TO THE SIDE OF THE ROAD, THE DRIVER-SIDE SEAT IGNITED INTO SMALL FLAMES. THE DRIVER EXTINGUISHED THE SEAT CUSHION. THE VEHICLE WAS…
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TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ ML350. WHILE DRIVING APPROXIMATELY 35 MPH WITH THE DRIVER SIDE HEATED SEAT ACTIVATED, THERE WAS A BURNING ODOR FOLLOWED BY SMOKE. AFTER THE DRIVER PULLED TO THE SIDE OF THE ROAD, THE DRIVER-SIDE SEAT IGNITED INTO SMALL FLAMES. THE DRIVER EXTINGUISHED THE SEAT CUSHION. THE VEHICLE WAS ABLE TO RESUME OPERATION WITH CAUTION TO THE RESIDENCE. THERE WERE NO PERSONAL INJURIES. THE VEHICLE HAS NOT BEEN IN OPERATION. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER. THE FAILURE AND CURRENT MILEAGES WERE 35,000. UPDATED 01/08/10 *BF UPDATED 01/12/10.*JB
TURNED ON SEAT HEATER. THE LOWER PORTION OF THE BACK OF THE SEAT (LEFT SIDE) FAILED AND CAUGHT FIRE. THE LEATHER SEAT COVER WAS BURNT AS WELL AS THE DRIVERS SHIRT. WHEN THE SMELL OF SMOKE BECAME EVIDENT IN THE PASSENGER COMPARTMENT THE SEAT HEATER WAS TURNED OFF AND THE BURNING STOPPED. BURN HOLE IN LEATHER IS SLIGHTLY SMALL…
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TURNED ON SEAT HEATER. THE LOWER PORTION OF THE BACK OF THE SEAT (LEFT SIDE) FAILED AND CAUGHT FIRE. THE LEATHER SEAT COVER WAS BURNT AS WELL AS THE DRIVERS SHIRT. WHEN THE SMELL OF SMOKE BECAME EVIDENT IN THE PASSENGER COMPARTMENT THE SEAT HEATER WAS TURNED OFF AND THE BURNING STOPPED. BURN HOLE IN LEATHER IS SLIGHTLY SMALLER THEN A DIME, BURN HOLE IN DRIVERS SHIRT SMALLER THEN A DIME ALSO. NO INJURY TO DRIVER. *TR
TL*THE CONTACT OWNS A 2007 MERCEDES BENZ ML350. THE CONTACT OBSERVED SMOKE COMING FROM THE DRIVERS HEATED SEAT. PRIOR TO TURNING THE HEATED SEAT OFF, THE CONTACT SUFFERED MINOR BURNS ON HER LEFT BUTTOCK. A ROAD SIDE ASSISTANCE MECHANIC TOWED THE VEHICLE TO AN AUTHORIZED DEALER AND ADVISED THE CONTACT NOT TO DRIVE THE VEHICLE. TH…
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TL*THE CONTACT OWNS A 2007 MERCEDES BENZ ML350. THE CONTACT OBSERVED SMOKE COMING FROM THE DRIVERS HEATED SEAT. PRIOR TO TURNING THE HEATED SEAT OFF, THE CONTACT SUFFERED MINOR BURNS ON HER LEFT BUTTOCK. A ROAD SIDE ASSISTANCE MECHANIC TOWED THE VEHICLE TO AN AUTHORIZED DEALER AND ADVISED THE CONTACT NOT TO DRIVE THE VEHICLE. THE CONTACT IS CONCERNED THAT THE FAILURE COULD HAVE CAUSED A FIRE TO OCCUR. THE CURRENT AND FAILURE MILEAGE WAS 27,000. UPDATED 1/25/10 *CN UPDATED 01/26/10
Official recalls
224V298000 · Service Brakes, Hydraulic:power Assist:vacuum
Apr 26, 2024
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Consequence & remedy
Consequence: Reduced brake performance or brake failure can increase the risk of a crash.
Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed on May 24, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MMUSA's number for this recall is 2024050001/2. This recall is an expansion of previous recall number 22V-315.
22V315000 · Service Brakes, Hydraulic:power Assist:vacuum
May 9, 2022
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Consequence & remedy
Consequence: Reduced brake performance or brake failure can increase the risk of a crash.
Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed June 30, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2022050014, 2022050015 2022090006, & 2022090007.
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
1PE08030 · Seat Back Warmer Overheats/burns
Opened Apr 25, 2008 · Closed Sep 9, 2008
Status: closed (inferred from source dates) · Seats:front Assembly:seat Heater/cooler
THIS PRELIMINARY EVALUATION INVESTIGATION CONCERNS THE SEAT BACK WARMER INSTALLED IN THE SUBJECT VEHICLES BUILT THROUGH MAY 2007, EQUIPPED WITH THE CTX' CARBOTEX SEAT WARMER DESIGN.THE DATA DISCLOSE FEW COMPLAINTS AND WARRANTY REPORTS CONCERNING THIS ISSUE.NONE OF THE FIRE REPORTS INVOLVED OPEN FLAME, BUT WERE THERMAL INCIDENTS IN WHICH THE SEAT CUSHION SUSTAINED DISCOLORATION OR A HOLE BURNED IN THE SEAT COVER.THE REPORTED INJURY APPEARED TO BE MINOR.THE SUBJECT SEAT WARMER DESIGN WAS ALSO INSTALLED IN MY 2006 M-CLASS VEHICLES AND THOSE DATA ALSO SHOW FEW INCIDENTS.A SAFETY DEFECT TREND HAS NOT BEEN IDENTIFIED.THIS INVESTIGATION HAS BEEN CLOSED.
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