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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.

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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

Engine And Engine Cooling complaints

17 reports
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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

49,000 miles · Sep 17, 2010
Engine And Engine Cooling

2006 ML350 MERCEDES BENZ - BALANCE SHAFT NEEDS TO BE REPLACED IN A CAR WITH UNDER 50,00 MILES ON IT. THEY WANT 8,000 TO DO THE JOB AND I AM FINDING MORE AND MORE PEOPLE WHO ARE HAVING THE SAME ISSUE WITH THIS CAR. I WAS DIRECTED TO YOU BY A FACEBOOK SITE THAT IS FOR PEOPLE WHO HAVE THE SAME ISSUE WITH THEIR MERCEDES. I THINK …

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2006 ML350 MERCEDES BENZ - BALANCE SHAFT NEEDS TO BE REPLACED IN A CAR WITH UNDER 50,00 MILES ON IT. THEY WANT 8,000 TO DO THE JOB AND I AM FINDING MORE AND MORE PEOPLE WHO ARE HAVING THE SAME ISSUE WITH THIS CAR. I WAS DIRECTED TO YOU BY A FACEBOOK SITE THAT IS FOR PEOPLE WHO HAVE THE SAME ISSUE WITH THEIR MERCEDES. I THINK THIS IS A FLAW IN THE CAR AND THEY SHOULD BE RECALLED. *TR

NHTSA ODI #10356196

103,000 miles · Aug 11, 2010
Engine And Engine Cooling

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THAT SHE TOOK THE VEHICLE INTO THE DEALER FOR AN OIL CHANGE AND WHEN THE VEHICLE WAS RETURNED TO HER IT BEGAN TO LUNGE FORWARD. THE VEHICLE FELT AS IF THE TRANSMISSION WAS DRAGGING. THE DEALER WAS CONTACTED AND STATED THAT THEY DIDN'T DO ANYTHING TO CAUSE THE VE…

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TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE CONTACT STATED THAT SHE TOOK THE VEHICLE INTO THE DEALER FOR AN OIL CHANGE AND WHEN THE VEHICLE WAS RETURNED TO HER IT BEGAN TO LUNGE FORWARD. THE VEHICLE FELT AS IF THE TRANSMISSION WAS DRAGGING. THE DEALER WAS CONTACTED AND STATED THAT THEY DIDN'T DO ANYTHING TO CAUSE THE VEHICLE TO EXHIBIT THE JERKING MOTION. THE CONTACT TOOK THE VEHICLE TO ANOTHER DEALER WHO DIAGNOSED THE FAILURE STATING THAT THE MANIFOLD WAS DEFECTIVE. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE HAD RECURRED. THERE HAVE BEEN NO ADDITIONAL REPAIRS MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 103,000. THE CURRENT MILEAGE WAS 116247.

NHTSA ODI #10348811

23,000 miles · Jul 21, 2008
Engine And Engine Cooling

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. WHILE DRIVING 65 MPH, THE CONTACT HEARD A LOUD BEEP AND NOTICED A FLASH OF WARNING LIGHTS ACROSS THE INSTRUMENT PANEL. THE CHECK ENGINE, (!), AND BRAKE LIGHTS ILLUMINATED SIMULTANEOUSLY. THE VEHICLE SEIZED TO A JOLT, RELEASED, COASTED, AND THEN FAILED. HE HAD DIFFICULTY RESTART…

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TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. WHILE DRIVING 65 MPH, THE CONTACT HEARD A LOUD BEEP AND NOTICED A FLASH OF WARNING LIGHTS ACROSS THE INSTRUMENT PANEL. THE CHECK ENGINE, (!), AND BRAKE LIGHTS ILLUMINATED SIMULTANEOUSLY. THE VEHICLE SEIZED TO A JOLT, RELEASED, COASTED, AND THEN FAILED. HE HAD DIFFICULTY RESTARTING THE VEHICLE, BUT WHEN IT DID, ALL OF THE LIGHTS ILLUMINATED AGAIN, INCLUDING ESP GO TO WORKSHOP. HE SAID THAT HIS FOOT WAS ON THE ACCELERATOR THE ENTIRE TIME. THE VEHICLE IS CURRENTLY WITH THE DEALER. THE CURRENT AND FAILURE MILEAGES WERE 23,000.

NHTSA ODI #10235151

7,000 miles · Jan 28, 2008
Engine And Engine CoolingSteeringSuspensionCrash

TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE AIR BAG LIGHT BEEPED AND REMAINED ILLUMINATED. AT 10,000 MILES, THE VEHICLE WAS SERVICED. AFTERWARDS, THE CONTACT HEARD A NOISE IN THE REAR OF THE VEHICLE WHILE DRIVING BETWEEN 20-50 MPH. THE DEALER TEST DROVE THE VEHICLE AND WAS UNABLE TO DUPLICATE THE FAILURE. ON DECEMBE…

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TL*THE CONTACT OWNS A 2006 MERCEDES BENZ ML350. THE AIR BAG LIGHT BEEPED AND REMAINED ILLUMINATED. AT 10,000 MILES, THE VEHICLE WAS SERVICED. AFTERWARDS, THE CONTACT HEARD A NOISE IN THE REAR OF THE VEHICLE WHILE DRIVING BETWEEN 20-50 MPH. THE DEALER TEST DROVE THE VEHICLE AND WAS UNABLE TO DUPLICATE THE FAILURE. ON DECEMBER 25, 2006, THE CONTACT WAS INVOLVED IN A CRASH AND THE AIR BAGS DEPLOYED. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS SERVICED AFTER THE CRASH. THREE TO FOUR MONTHS LATER, THE TIRES WERE LOSING AIR RAPIDLY AND THE LOW PRESSURE LIGHT ILLUMINATED, WHICH INDICATED THERE WAS NOT ENOUGH PRESSURE IN THE TIRES. AT 20,000 MILES, THE VEHICLE WAS SERVICED. AFTER THE REPAIR, THE CONTACT STATED THAT THE NOISE WAS BECOMING LOUDER IN THE REAR OF THE VEHICLE. SHE PAID $600 FOR THE REPAIR AND THE DEALER STATED THAT THEY DID NOT HEAR A NOISE AFTER DIAGNOSING THE FAILURE. AT 26,000 MILES, THE VEHICLE FAILED INSPECTION DUE TO THE TIRES, STRUTS, SHOCKS AND A POWER STEERING LEAK. SHE CALLED THE SALES DEALER AND THEY INFORMED HER TO TAKE THE VEHICLE TO A DEALER IN ANOTHER STATE. THE VEHICLE WAS TOWED TWO AND A HALF WEEKS AGO DUE TO THE POWER STEERING LEAK. THE PART FOR THE REPAIR HAD TO BE ORDERED FROM OVERSEAS. THE DEALER STATED THAT THEY REPLACED THE SHOCKS, BUT THE NOISE GREW LOUDER. THE DEALER ALSO STATED THAT THE CAUSE OF THE NOISE WAS DUE TO THE SHOCKS. ON JANUARY 24, 2008, THERE WAS AN ODOR PRESENT AND THE NOISE RECURRED. AFTER INSPECTING THE VEHICLE, IT WAS DISCOVERED THAT A BELT WAS OFF TRACK. THE BELT WAS ADJUSTED AND THE DEALER JUMP STARTED THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER AGAIN ON JANUARY 28, 2008. THE COMPUTER HAD TO BE RESET, BUT CONTINUED TO MALFUNCTION WHEN THE VEHICLE WAS PURCHASED. THE CURRENT MILEAGE WAS 26,206 AND FAILURE MILEAGE WAS 7,000.

NHTSA ODI #10217149

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.