← New search

2006 Mercedes Benz M-CLASS

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

How this year compares

Owner complaints by model year

Other model years Selected year
Compare all M-CLASS 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

Limited mileage data: 11 of 14 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Engine And Engine Cooling. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports0 injury reports

What owners actually said

14 reports
56,646 miles · Jun 4, 2014
Suspension

THE AIRMATIC SYSTEM BEGAN TO FAIL. THE FRONT LEFT STRUT QUIT WORKING AND HAD TO BE REPLACED. SINCE THAT TIME THE RIGHT STRUT HAS FAILED AND BOTH REAR AIRMATIC SPRINGS HAVE FAILED. ALL ITEMS HAD TO BE REPLACES AT GREAT COST. NOW THE AIRMATIC COMPRESSOR HAS FAILED AND NEEDS TO BE REPLACED. THE MILEAGE AT THIS TIME IS AROUND 7…

Read full complaint

THE AIRMATIC SYSTEM BEGAN TO FAIL. THE FRONT LEFT STRUT QUIT WORKING AND HAD TO BE REPLACED. SINCE THAT TIME THE RIGHT STRUT HAS FAILED AND BOTH REAR AIRMATIC SPRINGS HAVE FAILED. ALL ITEMS HAD TO BE REPLACES AT GREAT COST. NOW THE AIRMATIC COMPRESSOR HAS FAILED AND NEEDS TO BE REPLACED. THE MILEAGE AT THIS TIME IS AROUND 72000. A DIFFERENCE OF JUST OVER 15000 MILES AND THE WHOLE SYSTEM HAS COMPLETELY BROKEN DOWN. AFTER REVIEWING OTHER ONLINE POSTS ABOUT MERCEDES AIRMATIC SUSPENSION PROBLEMS THERE IS CLEARLY SUBSTANTIAL EXPOSURE TO DANGEROUS CONDITIONS WITH THE SUSPENSION SYSTEM AS WELL AS GREAT COST TO THE OWNERS OF THESE AUTOMOBILES. THE FAILURE OF THE SYSTEM AT ANY TIME CAN MAKE THESE VEHICLES DRIVE ERRATICALLY AND MAY CAUSE ACCIDENTS. THE FACT THAT THIS SUSPENSION SYSTEM FAILS FOR THE MOST PART BEFORE 75000 MILES IS NOT ACCEPTABLE. MERCEDES SHOULD EITHER HAVE WARRANTY ON THIS BEYOND A CERTAIN MILEAGE OR AT LEAST INFORM BUYERS OF THE POTENTIAL FAILURE OF THE SYSTEM. THERE SHOULD ALSO BE A TEMPORARY SUSPENSION DEVICE INCORPORATED INTO THE AIRMATIC SYSTEM. *TR

NHTSA ODI #10596036

70,000 miles · Jan 24, 2014
Steering

I HAVE SAME PROBLEM WITH MY CAR AND MY MODEL IS NOT EFFECTED WITH THIS RECALL RECALL NUMBER: 05V224000 DATES MANUFACTURED: JAN 0001 TO JAN 0001 NUMBER OF VEHICLES AFFECTED: 7191 DATE OWNERS NOTIFIED ON: JAN 0001 ON CERTAIN PASSENGER VEHICLES, A HOSE CLAMP THAT SECURES THE POWER STEERING FLUID COOLING HOSE TO THE POWER …

Read full complaint

I HAVE SAME PROBLEM WITH MY CAR AND MY MODEL IS NOT EFFECTED WITH THIS RECALL RECALL NUMBER: 05V224000 DATES MANUFACTURED: JAN 0001 TO JAN 0001 NUMBER OF VEHICLES AFFECTED: 7191 DATE OWNERS NOTIFIED ON: JAN 0001 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. CONSEQUENCE OF DEFECT: 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. CORRECTIVE ACTION: DEALERS WILL REPLACE THE POWER STEERING HOSE CLAMP FREE OF CHARGE. THE RECALL BEGAN ON MAY 17, 2005. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367. *TR

NHTSA ODI #10561315

150,136 miles · May 18, 2012
Seats

WHEN THE SEAT HEATER WAS ACTIVATED A BURNING SMELL FILLED THE CABIN. SOME SMOKE CAME OUT OF THE LOWER, LEFT SIDE OF THE BACK OF THE DRIVER'S SEAT. THE SWITCH TURNED OFF ON ITS OWN. THERE IS A HOLE, APPROXIMATELY 3/4 IN. IN DIAMETER ON THE SEAT. *TR

NHTSA ODI #10458972

74,600 miles · Oct 20, 2011
Power Train

TWO PROBLEMS - FIRST, TRANSMISSION DO NOT SWITCH HIGHER THAN SECOND SPEED. UPON ENGINE RESTART, VEHICLE DROVE PROPERLY. SECOND, ON ANOTHER OCCASION, I WAS SITTING AT A TRAFFIC LIGHT AND WHEN I ATTEMPTED TO PULL OFF, THE VEHICLE STARTED DRIVING VERY SLOW AND ROUGH. I PULLED TO THE SIDE OF THE ROAD; TURNED OFF THE ENGINE AND WAITE…

Read full complaint

TWO PROBLEMS - FIRST, TRANSMISSION DO NOT SWITCH HIGHER THAN SECOND SPEED. UPON ENGINE RESTART, VEHICLE DROVE PROPERLY. SECOND, ON ANOTHER OCCASION, I WAS SITTING AT A TRAFFIC LIGHT AND WHEN I ATTEMPTED TO PULL OFF, THE VEHICLE STARTED DRIVING VERY SLOW AND ROUGH. I PULLED TO THE SIDE OF THE ROAD; TURNED OFF THE ENGINE AND WAITED FOR A FEW SECONDS. WHEN I STARTED THE VEHICLE AGAIN AND ATTEMPTED TO DRIVE AWAY, THE VEHICLE DROVE PROPERLY. MERCEDES DEALERSHIP IS AWARE OF THESE ISSUES, AND ALSO MANY OF PEOPLE I KNOW WHO HAVE MERCEDES WITH SAME TRANSMISSION TYPE - VALVE BODY/ELECTRIC PLATE NEEDS TO BE REPLACED IN AUTO TRANSMISSION. *TR

NHTSA ODI #10432214

58,400 miles · Jun 6, 2011
Power Train

2006 ML350 TRANSMISSION FAILURE: WHILE EXITING FROM INTERSTATE, I NOTICE THAT THE CAR WAS JERKING/KNOCKING WHEN I WAS SLOWING DOWN. A COUPLE OF MILES ON THE SURFACE STREETS AT 30-40 MPH I NOTICED THAT THE JERKING BECAME WORSE AND FINALLY THE CAR WENT INTO NEUTRAL GEAR WITHOUT ANY POWER DELIVERED TO THE ENGINE. THE CAR STOPPED…

Read full complaint

2006 ML350 TRANSMISSION FAILURE: WHILE EXITING FROM INTERSTATE, I NOTICE THAT THE CAR WAS JERKING/KNOCKING WHEN I WAS SLOWING DOWN. A COUPLE OF MILES ON THE SURFACE STREETS AT 30-40 MPH I NOTICED THAT THE JERKING BECAME WORSE AND FINALLY THE CAR WENT INTO NEUTRAL GEAR WITHOUT ANY POWER DELIVERED TO THE ENGINE. THE CAR STOPPED ON THE MIDDLE OF THE ROAD. LATER THAT EVENING I GOT IT TOWED TO THE DEALERSHIP AND WAS INFORMED THAT THE TRANSMISSION WAS BLOWN OUT AND NEED TO BE REBUILT OR REPLACED WITH AN ~$8000 BILL. THE CAR HAS 58K MILES WITH ALL SERVICE RECORDS AND NOT MISSING A SINGLE SERVICE. I AM TOLD THAT THIS IS OUT OF THE WARRANTY ZONE. I FOUND THAT THERE IS A TRANSMISSION ISSUE IN MOST OF ML3500 FOR 2006 MODELS. I THINK THAT I AM BEING RIPPED OFF AND THE MERCEDES SHOULD FIX THIS VIA RECALL. *TR

NHTSA ODI #10405339

Mileage unknown · Dec 12, 2009
Steering

THE STEERING PUMP WAS DAMAGED BY A LEAK. I PREVIOUSLY BROUGHT THE CAR IN COMPLAINING THERE WAS A LOUD WHIRRING NOISE. I WAS TOLD THE PROBLEM WAS RESOLVED. THEN THIS PROBLEM BEGAN AGAIN, I FOUND THERE WAS A RECALL ON THE NHTSA WEBSITE. BROUGHT THE CAR BACK TO THE DEALER AND WAS DENIED REPAIR OR THAT THERE WAS ANY RECALL THAT EXIS…

Read full complaint

THE STEERING PUMP WAS DAMAGED BY A LEAK. I PREVIOUSLY BROUGHT THE CAR IN COMPLAINING THERE WAS A LOUD WHIRRING NOISE. I WAS TOLD THE PROBLEM WAS RESOLVED. THEN THIS PROBLEM BEGAN AGAIN, I FOUND THERE WAS A RECALL ON THE NHTSA WEBSITE. BROUGHT THE CAR BACK TO THE DEALER AND WAS DENIED REPAIR OR THAT THERE WAS ANY RECALL THAT EXISTED. THE RECALL NUMBER IS 05V224000. *TR

NHTSA ODI #10295444

3,500 miles · Dec 2, 2005
Engine And Engine Cooling

AFTER DRIVEN THE NEW 2006 ML350 FOR 3500 MILES, THE LOW ENGINE OIL INDICATOR COME UP. TOOK THE CAR TO SERVICE, AND FOUND THE CAR IS LEAKING ENGINE OIL IN MULTIPLE PLACES. IT TOOK 1 WEEK TO FIX THE LEAK BETWEEN TRANSMISSION AND ENGINE. THEN THEY NEED TO ORDER PARTS TO FIX SECOND LEAK IN OIL PAN. AFTER THE PART ARRIVED, I TOOK …

Read full complaint

AFTER DRIVEN THE NEW 2006 ML350 FOR 3500 MILES, THE LOW ENGINE OIL INDICATOR COME UP. TOOK THE CAR TO SERVICE, AND FOUND THE CAR IS LEAKING ENGINE OIL IN MULTIPLE PLACES. IT TOOK 1 WEEK TO FIX THE LEAK BETWEEN TRANSMISSION AND ENGINE. THEN THEY NEED TO ORDER PARTS TO FIX SECOND LEAK IN OIL PAN. AFTER THE PART ARRIVED, I TOOK THE CAR TO BE FIXED. AFTER 3 DAYS WITHOUT ANY CALL, I CALLED TO FIND OUT THE STATUS. NOW, THEY SAID ONE OF THE ENGINE CYLINDER IS LEAKING ENGINE OIL AND NEED SEVERAL MORE DAYS TO FIX. IT IS UNKNOWN TO ME IF THIS ENGINE WILL HAVE OTHER ISSUES OR NOT AFTER FIXING ALL THOSE OIL LEAKS. THE SECOND PROBLEM IS THE AUTOMATIC TRANSMISSION SOMETIME SUDDENLY DOWN-SHIFT AT LOW SPEED. THE SERVICE MANAGER SAID THIS IS FIXED BY REPROGRAM THE TRANSMISSION COMPUTER/FLASH. HOWEVER, I HAVE NOT HAVE CHANCE/TIME TO TEST IT OUT TO SEE IF THE PROBLEM IS REALLY FIXED. *NM

NHTSA ODI #10144352

502 miles · Nov 30, 2005
Electrical System

WHILE DRIVING A BRAND NEW 2006 ML-350, THE CAR SUDDENLY SHUT DOWN IN THE MIDDLE OF THE ROAD. ALL THE WARNING LIGHTS CAME ON. IT DISPLAYED THE FOLLOWING MESSAGE: ESP MALFUNCTION, HEADLIGHT MALFUNCTION, SPEEDTRONIC INOPERATIVE. TRIED TO RESTART THE CAR, WITH NO LUCK. HAD TO WAIT FOR 20 - 25 MINUTES BEFORE THE CAR CAN BE RESTA…

Read full complaint

WHILE DRIVING A BRAND NEW 2006 ML-350, THE CAR SUDDENLY SHUT DOWN IN THE MIDDLE OF THE ROAD. ALL THE WARNING LIGHTS CAME ON. IT DISPLAYED THE FOLLOWING MESSAGE: ESP MALFUNCTION, HEADLIGHT MALFUNCTION, SPEEDTRONIC INOPERATIVE. TRIED TO RESTART THE CAR, WITH NO LUCK. HAD TO WAIT FOR 20 - 25 MINUTES BEFORE THE CAR CAN BE RESTARTED. THIS HAPPENED 3 TIMES TO ME. THE CAR IS CURRENTLY SITTING AT A MB DEALERSHIP FOR 2 DAYS, AND THEY ARE TRYING TO FIGURE OIUT THE PROBLEM. IT SEEMS THAT ESP MALFUNCTION CAUSES THE NEW ML-350 TO STOP WHILE DRIVING, WHICH IS EXTREMELY DANGEROUS. THIS IS BRAND NEW CAR WITH ONLY 500 MILES. *JB

NHTSA ODI #10143990

4,481 miles · Nov 17, 2005
Electrical System

2006 MERCEDES ML 350 - WATER GOT SPILLED ON FLOOR IN PASSENGER REAR SEAT AREA; UNKNOWN TO US, THERE IS ELECTRICAL CIRCUITRY - REFERRED TO AS THE FRT SAM IN THE INVOICE. THIS CAUSED THE ENTIRE CAR TO SHUT DOWN, AND AT ONE POINT THE CAR STALLED IN TRAFFIC WHILE BEING DRIVEN. ALSO CAUSED A SHORT IN A POWER WINDOW THAT CREATED A L…

Read full complaint

2006 MERCEDES ML 350 - WATER GOT SPILLED ON FLOOR IN PASSENGER REAR SEAT AREA; UNKNOWN TO US, THERE IS ELECTRICAL CIRCUITRY - REFERRED TO AS THE FRT SAM IN THE INVOICE. THIS CAUSED THE ENTIRE CAR TO SHUT DOWN, AND AT ONE POINT THE CAR STALLED IN TRAFFIC WHILE BEING DRIVEN. ALSO CAUSED A SHORT IN A POWER WINDOW THAT CREATED A LOT OF SMOKE. THERE IS A CUP HOLDER IN THE BACK SEAT, AND THAT IS WHERE KIDS SIT, BUT WE DID NOT KNOW THAT A LIQUID SPILL IN THE REAR SEAT COULD CAUSE THE ENTIRE ELECTRICAL SYSTEM AND THUS THE CAR TO SHUT DOWN (EVEN THE TRANSMISSION IS ELECTRONIC, AND WAS INOPERABLE). IF THE ELECTRICAL CIRCUITS ARE ON THE FLOOR, WHERE ALMOST ALL SPILLS LAND, THEN IT SHOULD BE WATER TIGHT, OR IN THE ALTERNATIVE, THE OWNERS SHOULD KNOW BECAUSE IF YOU ARE ON A MAJOR HIGHWAY AND A CHILD SPILLS THEIR DRINK IN THE BACK SEAT, YOU CAR COULD SHUT DOWN COMPLETELY. *JB

NHTSA ODI #10142963

4,000 miles · Oct 19, 2005
Power TrainSteeringVisibility

THE VEHICLE SAFETY SYSTEMS FAILURES ARE DETAILED BELOW: DOT SAFETY RECALL FOR POWER STEERING CLAMP REPAIRED BY MBM IN JULY CATASTROPHIC FAILURE OF POWER STEERING SYSTEM OCCURRED ~ 2 WEEKS LATER WHILE ROUNDING A CORNER WITH 4 OTHER FAMILY MEMBERS, BARELY AVOIDED A HEAD-ON COLLISION. VEHICLE TOWED TO MBM FOR REPAIRS. I INDICATED…

Read full complaint

THE VEHICLE SAFETY SYSTEMS FAILURES ARE DETAILED BELOW: DOT SAFETY RECALL FOR POWER STEERING CLAMP REPAIRED BY MBM IN JULY CATASTROPHIC FAILURE OF POWER STEERING SYSTEM OCCURRED ~ 2 WEEKS LATER WHILE ROUNDING A CORNER WITH 4 OTHER FAMILY MEMBERS, BARELY AVOIDED A HEAD-ON COLLISION. VEHICLE TOWED TO MBM FOR REPAIRS. I INDICATED TO THE SERVICE REP THAT I WAS ALSO EXPERIENCING ABRUPT SHIFTING. A PROMISE BY NATIONAL SERVICE CENTER OF CLEAN UP OF GARAGE AND DRIVE FROM PS FLUID DID NOT OCCUR. POWER WASHING AND 4 HOURS AND $50 IN CLEANERS WERE NEEDED TO COMPLETE THE CLEAN UP. MBM INDICTED PERMANENT REPAIRS WOULD BE MADE AT A LATER DATE, AND I WOULD BE CALLED WHEN A NEW PART ARRIVED. NO SUCH CALL OR CONTACT FOR THE THIRD SAFETY SYSTEMS SERVICE WAS EVER RECEIVED. THROUGHOUT JULY AND AUGUST 7-SPEED ELECTRONIC AUTOMATIC TRANSMISSION DETERIORATED, EXPERIENCED ABRUPT DOWNSHIFTS PRIMARILY AT SLOW SPEED AND ON INCLINES. ON FIVE OCCASIONS EXPERIENCED COMPLETE DISENGAGEMENT OF TRANSMISSION, ALL OCCURRED AT ~20-45 MPH. 4 TIMES IT REENGAGED AFTER JERKING AND LURCHING MOTIONS OVER SEVERAL SECONDS. 1 OCCASION IT WAS NECESSARY TO SHUT OFF AND RESTART THE VEHICLE. THE VEHICLE WAS TAKEN TO MBM IN AUGUST DIAGNOSED AS NEEDING REPROGRAMMING. RIGHT OUTSIDE MIRROR IS NOT OPERABLE RESULTING IN AN UNCORRECTABLE (NO MANUAL ADJUSTMENT WAS POSSIBLE) BLIND SPOT. REPAIRS IN PROGRESS. I DROVE THE ML 350 INTO MY GARAGE ~9AM SATURDAY MORNING, PUSHED IN THE TRANSMISSION BUTTON, HEARD TYPICAL TRANSMISSION SOUND AND STEEPED OUT OF VEHICLE TO UNLOAD BEFORE HEADING FOR ADDITIONAL ERRANDS LEAVING THE DOOR OPEN AND ENGINE RUNNING. I PROCEEDED TO THE REAR AND NOTICED IT MOVING REARWARD, IMMEDIATELY JUMPED BACK IN DRIVERS SEAT, AND SHUT OFF ENGINE. THE VEHICLE IMPACTED ON APPLIANCE IN GARAGE AND RESULTED IN ~$3,000 IN DAMAGE PRIMARILY TO DRIVERS DOOR. NO FINAL RESOLUTION OR REPAIRS HAVE BEEN MADE. *NM

NHTSA ODI #10140198

Official recalls

2

08V303000 · Electrical System

Jul 7, 2008

MERCEDES-BENZ IS RECALLING MY 2006-2008 M-CLASS, R-CLASS, MY 2005-2009 SLK-CLASS, MY 2005-2008 C-CLASS, MY 2003-2004 AND 2006-2008 CLK-CLASS, MY 2003-2008 E-CLASS, MY 2004 AND 2008 CL-CLASS, MY 2008 CLS-CLASS, MY 2004 AND 2007-2008 S-CLASS, MY 2003 G-CLASS, AND MY 2003-2004, 2006 AND 2009 SL-CLASS VEHICLES. A SOFTWARE CALIBRATION NUMBER (SCN) CODING RECEIVED ON THE AFFECTED VEHICLES DURING A RECENT WORKSHOP VISIT WAS INCORRECT. DEPENDING ON THE MODEL YEAR AND MODEL AFFECTED, THE RESULTS OF AN INCORRECT SCN CODING CAN AFFECT A NUMBER OF VEHICLE SAFETY AND EMISSION FUNCTIONS INCLUDING THE FOLLOWING TYPES OF FUNCTIONS: (1) THE FUEL GAUGE READINGS MAY BE INCORRECT; (2) A STUCK FUEL-LEVEL SENSOR MAY NOT BE DISPLAYED IN THE INSTRUMENT CLUSTER; (3) THE OBD SYSTEM MAY CAUSE THE CHECK ENGINE LIGHT TO ILLUMINATE INCORRECTLY; AND, (4) THE SPEEDOMETER MAY BE OUT OF TOLERANCE.

Consequence & remedy

Consequence: IN THE EVENT OF A VEHICLE CRASH, THE ELECTRICAL FUEL PUMP MAY NOT RECEIVE A CRASH SIGNAL THAT IS REQUIRED FOR THE FUEL PUMP TO DISCONNECT AND PREVENT FUTURE FUEL DELIVERY AS DESIGNED.

Remedy: DEALERS WILL RECODE THE SCN FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 30, 2008. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.

05V224000 · Steering:hydraulic Power Assist System

May 16, 2005

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.

Consequence & remedy

Consequence: 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.

Remedy: DEALERS WILL REPLACE THE POWER STEERING HOSE CLAMP FREE OF CHARGE. THE RECALL BEGAN ON MAY 17, 2005. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.

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.