Engine failure due to the engine balancer shaft
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 →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
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.
What owners actually said
172 reportsPULLING OUT INTO LANE OF TRAFFIC ACCELERATING WHERE CAR ABRUPTLY STARTS TO RUN VERY VERY ROUGH. CHECK ENGINE LIGHTS COME ON AND CAN BECOME UNSAFE WITH NO POWER AND ONCOMING TRAFFIC APPROACHING. SIMILARLY WHILE DRIVING OVER 60MPH SAME SCENARIO CAUSING CEL TO COME ON AND CAR TO DISENGAGE CRUISE AND SLOW EXTREMELY FAST. VERY ROU…
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PULLING OUT INTO LANE OF TRAFFIC ACCELERATING WHERE CAR ABRUPTLY STARTS TO RUN VERY VERY ROUGH. CHECK ENGINE LIGHTS COME ON AND CAN BECOME UNSAFE WITH NO POWER AND ONCOMING TRAFFIC APPROACHING. SIMILARLY WHILE DRIVING OVER 60MPH SAME SCENARIO CAUSING CEL TO COME ON AND CAR TO DISENGAGE CRUISE AND SLOW EXTREMELY FAST. VERY ROUGH RUNNING AND IDLE. TERRIBLE FEELING OF BEING UNSAFE AND AT RISK. FINDING P0016 AND P0017 CODES AND ALL SYMPTOMS OF BALANCE SHAFT ISSUE THAT THE MB M272 IS KNOWN FOR. MY WIFE AND I ARE AFRAID TO DRIVE THIS VEHICLE NOW KNOWING IT HAD A KNOWN DEFECTIVE ENGINE COMPONENT IN A SOFTWARE BALANCE SHAFT GEAR
VEHICLE WAS SENT TO THE SHOP FOR CHECK ENGINE LIGHT. THE VEHICLE DIAGNOSTIC INDICATED THAT IT WAS THE CRANK SHAFT SENSOR. THE SENSOR WAS CHANGED OUT BUT THE CHECK ENGINE LIGHT IMMEDIATELY CAME BACK ON. AFTER FURTHER DIAGNOSTIC IT WAS DETERMINED THAT THE VEHICLE BALANCE SHAFT LOCATED INSIDE OF THE ENGINE WAS DEFECTIVE AND THE ONL…
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VEHICLE WAS SENT TO THE SHOP FOR CHECK ENGINE LIGHT. THE VEHICLE DIAGNOSTIC INDICATED THAT IT WAS THE CRANK SHAFT SENSOR. THE SENSOR WAS CHANGED OUT BUT THE CHECK ENGINE LIGHT IMMEDIATELY CAME BACK ON. AFTER FURTHER DIAGNOSTIC IT WAS DETERMINED THAT THE VEHICLE BALANCE SHAFT LOCATED INSIDE OF THE ENGINE WAS DEFECTIVE AND THE ONLY WAY TO FIX THE PROBLEM IS TO REPLACE THE PART INSIDE OF THE ENGINE. CURRENTLY I CANNOT PASS EMISSIONS OR TAG REGISTRATION BECAUSE OF THIS ISSUE.
EVER SINCE I BOUGHT THIS CAR USED IN 2017 I'VE BEEN HAVING PROBLEMS WITH IT SINCE DAY ONE. I CANNOT BELIEVE THEY HAVE NOT BEEN ANY RECALLS ON THIS CAR WITH ALL THE WRONG THINGS WITH IT IT JOLTS OUT OF CONTROL IT'S SWERVES FROM SIDE TO SIDE IN THE POWER STEERING IS JUST A TOTAL MESS. WHEN I'M AT A STOP SIGN IT SUDDENLY STARTS SHA…
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EVER SINCE I BOUGHT THIS CAR USED IN 2017 I'VE BEEN HAVING PROBLEMS WITH IT SINCE DAY ONE. I CANNOT BELIEVE THEY HAVE NOT BEEN ANY RECALLS ON THIS CAR WITH ALL THE WRONG THINGS WITH IT IT JOLTS OUT OF CONTROL IT'S SWERVES FROM SIDE TO SIDE IN THE POWER STEERING IS JUST A TOTAL MESS. WHEN I'M AT A STOP SIGN IT SUDDENLY STARTS SHAKING OUT OF NOWHERE AND THEN WITH THE CAR BEING IN PARK IS JOLTS BACK AND FORTH. I WENT TO A DOCTOR'S APPOINTMENT YESTERDAY I PARK MY CAR LIKE I NORMALLY WOULD NEXT TO YOU NOR I COME OUT THE CAR WON'T START THERE'S FLUID LEAKING AND I BELIEVE IT'S THE POWER STEERING. THIS CAR FEELS TOTALLY UNSAFE WHAT UP WRONG PURCHASE I MADE AND I'M NOT KNOW WHAT TO DO I CALLED MERCEDES AND THEY SAID THERE'S NO RECALL THERE'S NOTHING WRONG WITH MY CAR PLEASE HELP I DON'T KNOW WHAT TO DO
TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ ML350. THE CONTACT STATED WHILE DRIVING 5 MPH, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD EXTENDING THE STOPPING DISTANCE. THE CONTACT ATTEMPTED TO USE THE PARKING BRAKE TO STOP THE VEHICLE HOWEVER, THE PARKING BRAKE FAILED TO SLOW THE VEHICLE IN A TIMELY MANNER. THE CONTAC…
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TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ ML350. THE CONTACT STATED WHILE DRIVING 5 MPH, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD EXTENDING THE STOPPING DISTANCE. THE CONTACT ATTEMPTED TO USE THE PARKING BRAKE TO STOP THE VEHICLE HOWEVER, THE PARKING BRAKE FAILED TO SLOW THE VEHICLE IN A TIMELY MANNER. THE CONTACT STATED THAT THE THREE UNKNOWN WARNING LIGHTS WERE ILLUMINATED. THE CONTACT WAS ABLE TO SAFELY DRIVE THE VEHICLE TO THE RESIDENCE. THE VEHICLE WAS TOWED TO MERCEDES-BENZ OF BEDFORD LOCATED AT 18122 ROCKSIDE ROAD, BEDFORD, OH 44146, (440) 359-6826, TO BE DIAGNOSED AND REPAIRED. THE DIAGNOSTIC TEST AND REPAIR WAS STILL PENDING. THE MANUFACTURER WAS INFORMED OF FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 45,000. THE VIN WAS NOT AVAILABLE. *BF *AS
SECOND YEAR OF THIS SAME COMPLAIN. THE DEALERSHIP I BOUGHT THE CAR FROM MENTION THAT THE MERCEDES SHOULD BE TAKING CARE OF MY ISSUES. BUT THAT ISNT HAPPENING. MERCEDES JUST WANTS TO KEEP CHARGING ME . I LOOK UP THE DEFECTS OF THE CAR AND IT TELLS ME EXACTLY THE SAME PROBLEM I AM HAVING
POWER STEERING FAILS, WHEN TURNING INTO A PARKING SPACE OR PARALLELS PARKING. THIS HAS HAPPEN FOR YEARS AND I WAS TOLD THAT IT CAN LOCK UP . IT WAS AT ONE TIME A RECALL .AND MERCEDES MENTION TO ME THAT THE RECALL HAS ENDED. I DONT HAVE THE MONEY TO FIGHT THIS . BUT I HAVE TAKING THE CAR TO MERCEDES TO DIAGNOSTICS AND THEY WANTED…
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POWER STEERING FAILS, WHEN TURNING INTO A PARKING SPACE OR PARALLELS PARKING. THIS HAS HAPPEN FOR YEARS AND I WAS TOLD THAT IT CAN LOCK UP . IT WAS AT ONE TIME A RECALL .AND MERCEDES MENTION TO ME THAT THE RECALL HAS ENDED. I DONT HAVE THE MONEY TO FIGHT THIS . BUT I HAVE TAKING THE CAR TO MERCEDES TO DIAGNOSTICS AND THEY WANTED TO CHARGE ME 100.00 . WHEN I KNOW THIS PROBLEM IS PART OF THE RECALL.
I WAS DRIVING IN MY CAR TO WORK ON THE CITY STREET (SANTA ANITA AVE GOING NORTH IN THE CITY OF ARCADIA CA), WITHIN FEW MINUTES AFTER I LEFT THE HOUSE I FELT MY HANDS GET HOT PROBABLY THE AIR BAG DEPLOYED AND THE NEXT THING I KNOW MY CAR RAN OVER THE CENTER DIVIDER AND FLIPPED OVER. FORTUNATELY, I CAME OUT OF THE CAR DAZED AND WI…
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I WAS DRIVING IN MY CAR TO WORK ON THE CITY STREET (SANTA ANITA AVE GOING NORTH IN THE CITY OF ARCADIA CA), WITHIN FEW MINUTES AFTER I LEFT THE HOUSE I FELT MY HANDS GET HOT PROBABLY THE AIR BAG DEPLOYED AND THE NEXT THING I KNOW MY CAR RAN OVER THE CENTER DIVIDER AND FLIPPED OVER. FORTUNATELY, I CAME OUT OF THE CAR DAZED AND WITH MULTIPLE BRUISES. *TR
A LOSS OF POWER STEERING FLUID CAN DAMAGE THE POWER STEERING PUMP AND MAY RESULT IN DIMINISHED POWER ASSIST FOR STEERING WHICH COULD LEAD TO A CRASH. *BF WHAT YOU SHOULD DO: DEALERS WILL REPLACE THE POWER STEERING HOSE CLAMP. THE RECALL IS EXPECTED TO BEGIN ON MAY 23, 2005. OWNERS SHOULD CONTACT MERCEDES-BENZ AT 1-800-367-6372…
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A LOSS OF POWER STEERING FLUID CAN DAMAGE THE POWER STEERING PUMP AND MAY RESULT IN DIMINISHED POWER ASSIST FOR STEERING WHICH COULD LEAD TO A CRASH. *BF WHAT YOU SHOULD DO: DEALERS WILL REPLACE THE POWER STEERING HOSE CLAMP. THE RECALL IS EXPECTED TO BEGIN ON MAY 23, 2005. OWNERS SHOULD CONTACT MERCEDES-BENZ AT 1-800-367-6372. SUMMARY: ON CERTAIN PASSENGER VEHICLES, A HOSE CLAMP THAT SECURES THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER MAY NOT PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION. *TR CONSUMER WAS TOLD BY THE DEALER RECALL WAS EXPIRED AND WOULD NO LONGER HONOR IT.*JB
MERCEDES HAS PRODUCED SEVERAL THOUSAND ENGINES WITH DEFECTIVE BALANCE SHAFT SEEN IN MODEL YEARS 2005-2007 IN THE M272 AND M273. THE DECIDED USE OF SOFT METALS FOR ENGINE COMPONENTS, SUCH AS THE BALANCE SHAFT, LEAD TO A RAPID DETERIORATION OVER TIME AND RENDERS THE ENGINE UNUSABLE AND A POTENTIAL HAZARD AS THE CAMSHAFT AND CRANKS…
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MERCEDES HAS PRODUCED SEVERAL THOUSAND ENGINES WITH DEFECTIVE BALANCE SHAFT SEEN IN MODEL YEARS 2005-2007 IN THE M272 AND M273. THE DECIDED USE OF SOFT METALS FOR ENGINE COMPONENTS, SUCH AS THE BALANCE SHAFT, LEAD TO A RAPID DETERIORATION OVER TIME AND RENDERS THE ENGINE UNUSABLE AND A POTENTIAL HAZARD AS THE CAMSHAFT AND CRANKSHAFT WILL NOT TURN, POTENTIALLY CAUSING THE VEHICLE TO BREAK DOWN ON THE ROADWAY, LOSE POWER STEERING OR EVEN LOCK THE STEERING COLUMN, HEAT EXCESSIVELY, OR POSSIBLY EVEN CATCH FIRE. MERCEDES HAS ACCEPTED A SETTLEMENT OFFER IN 2015 COVERING MANY PLAINTIFFS, BUT DENIED RESPONSIBILITY. IT IS OBVIOUS THAT THE CONSUMER HAD NOTHING TO DO WITH THE CHOICE OF MATERIALS USED TO MAKE THE BALANCE SHAFT, AND THEREFORE THE MANUFACTURER IS CLEARLY RESPONSIBLE, AND MUST KNOW IT. UPON REPLACEMENT OF THE BALANCE SHAFT, THE ISSUE SEEMS TO GO AWAY, INDICATING THAT THE MANUFACTURER MADE A FIX FOR AN ISSUE THEY KNEW THEY WERE RESPONSIBLE FOR, COVERED IT UP, AND DENIED RESPONSIBILITY. THE NEWER BALANCE SHAFTS ARE RELIABLE AS MERCEDES KNEW OF ISSUES WITH THEIR PREVIOUS FAULTY ONES. MERCEDES HAS ONLY OFFERED TO COVER UP SOME OF THE DAMAGES, IN MOST CASES LESS THAN 38% OR NONE AT ALL, ONLY GAVE CUSTOMERS A FEW MONTHS TO FILE A CLAIM, AND ALMOST NONE WERE NOTIFIED OF THE ISSUE OR THE SETTLEMENT, AND HAD COME TO REALIZE IT WHEN IT WAS TOO LATE. MANY VEHICLES STILL WELL WITHIN WARRANTY HAVE BEEN AFFECTED BY THE DEFECTIVE BALANCE SHAFT, WHICH MEANS THAT OLDER VEHICLES WITH THE SAME ISSUE PREVAILS ON THE BASIS OF THE INITIAL DEFECT. THE BALANCE SHAFT ISSUE HAS CAUSED MY VEHICLE TO STALL ON THE ROADWAY ON MANY OCCASIONS, AND IN ONE INSTANT, MY VEHICLE'S STEERING COLUMN LOCKED AS A RESULT. I HAVE REACHED OUT TO MBUSA FOR A RESOLUTION, ONLY TO BE TOLD THAT SINCE THE VEHICLE IS TOO OLD, IT'S NOT THEIR RESPONSIBILITY. VEHICLES 3 YEARS OLD HAVE HAD THIS ISSUE. AGE IS NO FACTOR.
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
0No exact-year investigations in this snapshot.
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