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2006 Mercedes Benz ML350

Owner reports · Recalls · Investigations

More warning signs than most ML350 years

Owner complaints for the 2006 Mercedes Benz ML350 are substantially higher than the model-year median of 51.

About this comparison →

When problems were reported

Mileage at the reported incident

137 reports with mileage · 35 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.

  • Power Train. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 29 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports19 fire reports10 injury reports

What owners actually said

172 reports
75,000 miles · Jun 9, 2011
Power Train

2006 MERCEDES ML350, FRONT DIFFERENTIAL WORN AT ~75000 MILEAGE, THAT COULD LEAD TO LOCKUP AT ANY TIME IF NOT FIXED. FROM TALKING WITH THE THREE MERCEDES DEALERSHIPS IN MY LOCAL AREA, IT SEEMS THERE IS A VERY HIGH INCIDENCE OF FRONT DIFFERENTIAL PROBLEMS ON 2006 ML'S. *TR

NHTSA ODI #10405819

75,000 miles · Jun 9, 2011
Engine And Engine Cooling

2006 MERCEDES ML350, BALANCER SHAFT WORN AT ~75000 MILEAGE. BALANCER SHAFT GEAR AND/OR CAMSHAFT CHAIN GOT TOTALLY WORN, THAT WILL LEAD TO ENGINE LOCKUP AT ANY TIME IF NOT FIXED. I HEAR SIMILAR COMPLAINS FROM OTHER MERCEDES OWNERS WITH M272 AND M273 ENGINES MANUFACTURED IN 2006. THERE ALSO IS INTERNAL MERCEDES TECHNICAL SERVICE B…

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2006 MERCEDES ML350, BALANCER SHAFT WORN AT ~75000 MILEAGE. BALANCER SHAFT GEAR AND/OR CAMSHAFT CHAIN GOT TOTALLY WORN, THAT WILL LEAD TO ENGINE LOCKUP AT ANY TIME IF NOT FIXED. I HEAR SIMILAR COMPLAINS FROM OTHER MERCEDES OWNERS WITH M272 AND M273 ENGINES MANUFACTURED IN 2006. THERE ALSO IS INTERNAL MERCEDES TECHNICAL SERVICE BULLETIN S-B-03.30/08I FROM OCTOBER 24, 2008 FOR THIS ISSUE. ALSO THERE IS A CLASS ACTION COMPLAINT CASE 2:33-AV-00001 DOCUMENT 9629 FILED 10/05/10 IN NJ US DISTRICT COURT. BASED ON MY PAST EXPERIENCE AS ENGINEERED, I CONCLUDE PREMATURE BALANCER SHAFT WEAR CAUSED BY MB SUPPLY CHAIN ISSUES (I.E. BAD PARTS). ISSUE ON MY CAR HAVE BEEN DIAGNOSED IN 06/2011 AND I HAVE BEEN OFFERED A REPAIR FOR 5 DIFFERENT ISSUES (PRETENDING BALANCER SHAFT FIXED FOR FREE) WITH LABOR CHARGES SHUFFLED AROUND TO MASK BALANCER SHAFT ISSUE. TOTAL REPAIR BILL IS AROUND $10000 WHICH IS FULL PRICE AMOUNT FOR ALL 5 ISSUES FIXED. *TR

NHTSA ODI #10405816

62,000 miles · Jun 9, 2011
Engine And Engine Cooling

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THE CHECK ENGINE LIGHT CONTINUED TO FLASH ON THE INSTRUMENT CLUSTER. THE DEALER STATED THAT THE BALANCE SHIFT MALFUNCTIONED AND NEEDED TO BE REPLACED. THE BALANCE SHIFT ALSO CAUSED THE VEHICLE TO STALL AND HAD BECOME A MAJOR PROBLEM WITH THIS YEAR, MAKE AND MOD…

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TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THE CHECK ENGINE LIGHT CONTINUED TO FLASH ON THE INSTRUMENT CLUSTER. THE DEALER STATED THAT THE BALANCE SHIFT MALFUNCTIONED AND NEEDED TO BE REPLACED. THE BALANCE SHIFT ALSO CAUSED THE VEHICLE TO STALL AND HAD BECOME A MAJOR PROBLEM WITH THIS YEAR, MAKE AND MODEL VEHICLE WHICH COULD POTENTIALLY CAUSE A CRASH TO OCCUR. THE VEHICLE WAS NOT REPLACED. THE FAILURE MILEAGE WAS 62,000.

NHTSA ODI #10405775

115,000 miles · May 18, 2011
Engine And Engine Cooling

ON MAY 18, 2011, I TOOK MY 2006 ML350 TO AN AUTHORIZED MB DEALER DUE TO THE CHECK ENGINE LIGHT INDICATOR BEING ILLUMINATED. THE VEHICLE WAS DIAGNOSED WITH THE BALANCE SHAFT FAILURE. THE COST TO REPAIR IS APPROX 5K. *TR

NHTSA ODI #10401524

104,500 miles · May 12, 2011
Electrical SystemSeatsFire

SEAT WARMER MALFUNCTION, I WAS DRIVING AND HAD TO PULL OVER AS MY SEAT WARMER CREATED A FIRE INSIDE MY SEAT AND BURNED 3 HOLES THRU MY SEAT AND SINGED MY CLOTHING. DRIVERS SIDE SEAT ON LEFT SIDE OF SEAT. MERCEDES ML 350 2006

NHTSA ODI #10401603

80,000 miles · May 11, 2011
Power Train

MERCEDES BENZ BALANCE SHAFT PROBLEM (DRIVETRAIN) ON 2006 ML350 A TECHNICAL SERVICE BULLETIN WAS ISSUED IN 2007 BY MERCEDES BENZ BUT OWNERS SUCH AS MYSELF WERE NEVER NOTIFIED. *TR

NHTSA ODI #10400033

60,000 miles · Feb 23, 2011
Steering

STEERING WHEELS RATTLES AND MAKE GROANING NOISE WHEN TURNING OR HITTING BUMPS. CAN DISTRACT DRIVERS AND CAUSE ACCIDENTS. *TR

NHTSA ODI #10384231

57,940 miles · Feb 21, 2011
Seats

I'M THE OWNER OF A 2006 MERCEDES BENZ ML350 4MATIC, CURRENTLY AT 58,645 MILES WITH OUTSIDE EXTENDED WARRANTY UNTIL 2013. RECENTLY I HAD THE HEATED SEAT TURNED ON WHICH I STARTED THE CAR AND AFTER ABOUT 2 MINUTES I SMELLED A BURNING SMELL COMING FROM INSIDE THE CABIN AND THEN STARTED SEEING SMOKE COMING FROM THE LEFT SIDE OF THE …

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I'M THE OWNER OF A 2006 MERCEDES BENZ ML350 4MATIC, CURRENTLY AT 58,645 MILES WITH OUTSIDE EXTENDED WARRANTY UNTIL 2013. RECENTLY I HAD THE HEATED SEAT TURNED ON WHICH I STARTED THE CAR AND AFTER ABOUT 2 MINUTES I SMELLED A BURNING SMELL COMING FROM INSIDE THE CABIN AND THEN STARTED SEEING SMOKE COMING FROM THE LEFT SIDE OF THE DRIVER SIDE SEAT BOLSTER AROUND THE WAIST AREA. I FOUND A HOLE BURNT THE SIZE OF A NICKEL AND SMOKE WAS COMING OUT FROM IT. IT WAS BRIGHT RED AS I COULD SEE INSIDE THE HOLE I IMMEDIATELY TURNED OFF THE HEAT SEAT AND SLOWLY THE BURNING WENT AWAY. I TOOK MY CAR TO A MERCEDES BENZ DEALER THE NEXT AND THEY DENIED THAT THERE IS NO HEATING ELEMENT IN THAT PART OF THE SEAT AND REFUSED TO COVER UNDER OUTSIDE WARRANTY. AT THE DEALERSHIP I DID TRY TO TURN THE HEATED SEAT ON BUT NO SMOKE WAS COMING OUT SO I WASN'T ABLE TO PROOF THE SEATING ELEMENT WAS ACTUALLY CAUSING THE PROBLEM. BUT I READ NUMEROUS INCIDENTS ONLINE WITH THE SAME EXACT PROBLEM. *TR

NHTSA ODI #10383893

85,448 miles · Feb 14, 2011
Power Train

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO STATED THAT THE BALANCE SHAFT AND OTHER PARTS NEEDED TO BE REPLACED. THE MANUFACTURER HAD NOT BEEN NOTIFIED. THE FAILURE MILEAGE WAS 85,448.

NHTSA ODI #10382557

37,000 miles · Feb 7, 2011
Electrical SystemFire

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN IT IGNITED IN SMALL FLAMES UNDERNEATH THE HOOD AREA; A BYPASSER EXTINGUISHED THE FIRE. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER AND THEY INFORMED THAT THE FIRE ORIGINATED FROM THE FUSE BOX WHICH COMPLETELY DESTROYED THE WIRIN…

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TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN IT IGNITED IN SMALL FLAMES UNDERNEATH THE HOOD AREA; A BYPASSER EXTINGUISHED THE FIRE. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER AND THEY INFORMED THAT THE FIRE ORIGINATED FROM THE FUSE BOX WHICH COMPLETELY DESTROYED THE WIRING HARNESS AND CAUSED OTHER DAMAGES. THE INSURANCE COMPANY CONTINUED TO INVESTIGATE THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 37,000. UPDATED 03/24/11*LJ UPDATED 1/4/11 *CN

NHTSA ODI #10380930

Official recalls

2

24V298000 · 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

0

No exact-year investigations in this snapshot.