AFTER CHANGING THE SERPENTINE BELT, I HAVE NOTICED THAT THE CRANKSHAFT PULLEY WAS WOBBLING AND THE BELT VIBRATING, I BEEN DOING SOME RESEARCH AND FOUND THAT THERE HAS BEEN A RECALLED FOR THIS ISSUE, DOSE MINE STILL APPLIED TO THIS PROBLEM? IT IS ALREADY OUT OF WARRANTY BUT THIS KIND OF REPAIR IS EXPENSIVE, PLEASE. *TR
2003 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
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: 8 of 10 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.
- Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Seats. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
2 reportsI WAS PULLING INTO A PARKING SPACE (WITH MY 3 SMALL CHILDREN STRAPPED IN THE BACK), WHEN I REALIZED THAT THE CAR WAS NOT STOPPING. I PRESSED THE BRAKE HARDER, THE CAR ACCELERATED, JUMPED THE CEMENT MEDIAN, AND HIT A PARKED CAR. THANK GOD NO ONE WAS INJURED. I AM SICK THINKING WHAT COULD OF HAPPENED. THE CAR IS 6 MONTHS OLD AN…
Read full complaint
I WAS PULLING INTO A PARKING SPACE (WITH MY 3 SMALL CHILDREN STRAPPED IN THE BACK), WHEN I REALIZED THAT THE CAR WAS NOT STOPPING. I PRESSED THE BRAKE HARDER, THE CAR ACCELERATED, JUMPED THE CEMENT MEDIAN, AND HIT A PARKED CAR. THANK GOD NO ONE WAS INJURED. I AM SICK THINKING WHAT COULD OF HAPPENED. THE CAR IS 6 MONTHS OLD AND HAS BEEN BACK TO THE DEALERSHIP TWICE FOR A PROBLEM I BELIEVE WAS THE BEGINNING OF THIS, I.E., WHEN I WOULD STEP ON THE BRAKE IT WOULD GO TO STALL, BUCK FORWARD AND THEN BE OK. THE DEALERSHIP WAS UNABLE TO FIND IT OR DUPLICATE IT. I HAVE SEEN WHERE OTHER PEOPLE ARE HAVING THIS SAME PROBLEM. ALSO FOR 2003 THE MODEL IS ML 350 - MERCEDES. AGAIN THEY HAVE NOT FOUND A PROBLEM. THEY SENT THE MANUFACTURER OUT TO CHECK THE CAR AND NOTHING. I HAVE A POLICE REPORT THAT STATES THE RESPONDING POLICE OFFICER AND TOW TRUCK DRIVER CONCUR THAT THE BRAKES WERE DOWN TO THE FLOOR BOARD AND NOT ENGAGING.*JB
Official recalls
311V208000 · Vehicle Speed Control:cruise Control
Mar 31, 2011
MERCEDES-BENZ IS RECALLING CERTAIN MODEL YEAR 1999-2002 M-CLASS AND MODEL YEAR 2000-2003 M-CLASS AMG VEHICLES. THE CRUISE CONTROL SYSTEM IN THE AFFECTED VEHICLES ALLOWS THE DRIVER TO DISENGAGE THE SYSTEM IN A NUMBER OF WAYS, INCLUDING TAPPING THE BRAKE PEDAL, USING THE CRUISE CONTROL STALK, OR BRAKING THE VEHICLE ENOUGH TO REACH A CERTAIN RATE OF DECELERATION. MERCEDES-BENZ HAS DETERMINED THAT UNDER CERTAIN CIRCUMSTANCES USE OF THE BRAKE PEDAL MAY NOT AUTOMATICALLY DISENGAGE CRUISE CONTROL AS EXPECTED BY THE DRIVER, ALTHOUGH THE OTHER MEANS OF DEACTIVATING CRUISE CONTROL REMAIN FULLY OPERATIVE. SPECIFICALLY, WHERE THE DRIVER PUMPS THE BRAKES RATHER THAN APPLYING CONSISTENT PEDAL FORCE, THE LEVEL OF FORCE REQUIRED MAY BE UNUSUALLY HIGH.
Consequence & remedy
Consequence: DIFFICULTY OR DELAY IN DISENGAGING CRUISE CONTROL CAN INCREASE THE RISK OF A CRASH.
Remedy: DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL BEGAN DURING OCTOBER 2011. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.
08V465000 · Steering:hydraulic Power Assist:hose, Piping, And Connections
Sep 17, 2008
MERCEDES-BENZ IS RECALLING 125,228 MY 1998-2004 M-CLASS VEHICLES. THE HOSE CLAMP USED TO SECURE THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER MAY NOT PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION.
Consequence & remedy
Consequence: THE LOSS OF POWER STEERING FLUID MAY RESULT IN DIMINISHED POWER STEERING OVER TIME AND ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP. THIS COULD RESULT IN A LOSS OF CONTROL AND A CRASH WITHOUT WARNING.
Remedy: AN EARLIER RECALL REPAIR PERFORMED ON THESE VEHICLES MAY NOT BE SUFFICIENT TO PREVENT A FUTURE LEAKAGE OR FAILURE OF THE POWER STEERING HOSE CONNECTION (PLEASE SEE 03V121). SINCE IT IS NOT POSSIBLE THROUGH INSPECTION TO IDENTIFY SPECIFIC VEHICLES THAT MAY NOT HAVE BEEN PROPERLY REPAIRED, ALL VEHICLES REPAIRED PRIOR TO NOVEMBER 15, 2003, WILL BE REPAIRED AGAIN. THE RECALL IS EXPECTED TO BEGIN DURING NOVEMBER 2008. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.
03V121000 · Steering:hydraulic Power Assist:hose, Piping, And Connections
Mar 27, 2003
ON CERTAIN PASSENGER VEHICLES, THE HOSE CLAMP USED TO SECURE THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER MAY NOT PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION.
Consequence & remedy
Consequence: THE LOSS OF POWER STEERING FLUID MAY RESULT IN DIMINISHED POWER STEERING OVER TIME AND ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP.
Remedy: DEALERS WILL INSTALL A NEW HOSE CLAMP ON THE POWER STEERING HOSE TO THE POWER STEERING COOLER. DURING CLAMP REPLACEMENT, THE POWER STEERING COOLING HOSE WILL BE INSPECTED AND REPLACED AS NECESSARY. OWNER NOTIFICATION BEGAN JUNE 16, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD 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
1RQ08002 · Power Steering Hose Leak
Opened Mar 11, 2008 · Closed Sep 17, 2008
Status: closed (inferred from source dates) · Steering:hydraulic Power Assist System; Steering:hydraulic Power Assist:hose, Piping, And Connections; Steering:hydraulic Power Assist:power Steering Fluid
MERCEDES-BENZ USA (MBUSA) WILL NOTIFY CERTAIN MODEL YEAR (MY) 1998 THROUGH 2003 M-CLASS OWNERS OF THE NEED TO BRING THEIR VEHICLES INTO DEALERS TO ADDRESS THE ISSUE PREVIOUSLY CAMPAIGNED UNDER MBUSA RECALL 2003-040005 (NHTSA RECALL 03V-121).THE MBUSA CAMPAIGN, WHICH ODI IS DESIGNATING RECALL 08V-465, WILL REPLACE THE POWER STEERING COOLER HOSE AND CLAMP IN ALL VEHICLES THAT RECEIVED THE ORIGINAL RECALL REMEDY FOR 03V-121 AND WHICH HAVEN'T RECEIVED A SUBSEQUENT REPAIR TO INSTALL A REVISED HOSE AND CLAMP.APPROXIMATELY ONE-THIRD OF THE VEHICLES THAT RECEIVED THE ORIGINAL REPAIR PROCEDURE AND PARTS RETURNED FOR SUBSEQUENT SERVICE FOR LEAKAGE FROM THE HOSE FITTING AND, IN APPROXIMATELY 10 PERCENT OF THESE VEHICLES, COMPLETE SEPARATION OF THE HOSE FROM THE COOLER.A REVISED SERVICE PROCEDURE FOR 03V-121, WHICH INVOLVED REPLACING THE OLD HOSE AND CLAMP WITH MODIFIED PARTS, HAD SIGNIFICANTLY LOWER RATES OF RETURN REPAIRS.MBUSA WILL APPLY THE REVISED SERVICE PROCEDURE FROM 03V-121 TO THE VEHICLES COVERED UNDER 08V-465.ACCORDINGLY THIS RECALL QUERY IS CLOSED.
Additional source detail variants (3)
Steering:hydraulic Power Assist:hose, Piping, And Connections
MERCEDES-BENZ USA (MBUSA) WILL NOTIFY CERTAIN MODEL YEAR (MY) 1998 THROUGH 2003 M-CLASS OWNERS OF THE NEED TO BRING THEIR VEHICLES INTO DEALERS TO ADDRESS THE ISSUE PREVIOUSLY CAMPAIGNED UNDER MBUSA RECALL 2003-040005 (NHTSA RECALL 03V-121).THE MBUSA CAMPAIGN, WHICH ODI IS DESIGNATING RECALL 08V-465, WILL REPLACE THE POWER STEERING COOLER HOSE AND CLAMP IN ALL VEHICLES THAT RECEIVED THE ORIGINAL RECALL REMEDY FOR 03V-121 AND WHICH HAVEN'T RECEIVED A SUBSEQUENT REPAIR TO INSTALL A REVISED HOSE AND CLAMP.APPROXIMATELY ONE-THIRD OF THE VEHICLES THAT RECEIVED THE ORIGINAL REPAIR PROCEDURE AND PARTS RETURNED FOR SUBSEQUENT SERVICE FOR LEAKAGE FROM THE HOSE FITTING AND, IN APPROXIMATELY 10 PERCENT OF THESE VEHICLES, COMPLETE SEPARATION OF THE HOSE FROM THE COOLER.A REVISED SERVICE PROCEDURE FOR 03V-121, WHICH INVOLVED REPLACING THE OLD HOSE AND CLAMP WITH MODIFIED PARTS, HAD SIGNIFICANTLY LOWER RATES OF RETURN REPAIRS.MBUSA WILL APPLY THE REVISED SERVICE PROCEDURE FROM 03V-121 TO THE VEHICLES COVERED UNDER 08V-465.ACCORDINGLY THIS RECALL QUERY IS CLOSED.
Steering:hydraulic Power Assist:power Steering Fluid
MERCEDES-BENZ USA (MBUSA) WILL NOTIFY CERTAIN MODEL YEAR (MY) 1998 THROUGH 2003 M-CLASS OWNERS OF THE NEED TO BRING THEIR VEHICLES INTO DEALERS TO ADDRESS THE ISSUE PREVIOUSLY CAMPAIGNED UNDER MBUSA RECALL 2003-040005 (NHTSA RECALL 03V-121).THE MBUSA CAMPAIGN, WHICH ODI IS DESIGNATING RECALL 08V-465, WILL REPLACE THE POWER STEERING COOLER HOSE AND CLAMP IN ALL VEHICLES THAT RECEIVED THE ORIGINAL RECALL REMEDY FOR 03V-121 AND WHICH HAVEN'T RECEIVED A SUBSEQUENT REPAIR TO INSTALL A REVISED HOSE AND CLAMP.APPROXIMATELY ONE-THIRD OF THE VEHICLES THAT RECEIVED THE ORIGINAL REPAIR PROCEDURE AND PARTS RETURNED FOR SUBSEQUENT SERVICE FOR LEAKAGE FROM THE HOSE FITTING AND, IN APPROXIMATELY 10 PERCENT OF THESE VEHICLES, COMPLETE SEPARATION OF THE HOSE FROM THE COOLER.A REVISED SERVICE PROCEDURE FOR 03V-121, WHICH INVOLVED REPLACING THE OLD HOSE AND CLAMP WITH MODIFIED PARTS, HAD SIGNIFICANTLY LOWER RATES OF RETURN REPAIRS.MBUSA WILL APPLY THE REVISED SERVICE PROCEDURE FROM 03V-121 TO THE VEHICLES COVERED UNDER 08V-465.ACCORDINGLY THIS RECALL QUERY IS CLOSED.
Steering:hydraulic Power Assist System
MERCEDES-BENZ USA (MBUSA) WILL NOTIFY CERTAIN MODEL YEAR (MY) 1998 THROUGH 2003 M-CLASS OWNERS OF THE NEED TO BRING THEIR VEHICLES INTO DEALERS TO ADDRESS THE ISSUE PREVIOUSLY CAMPAIGNED UNDER MBUSA RECALL 2003-040005 (NHTSA RECALL 03V-121).THE MBUSA CAMPAIGN, WHICH ODI IS DESIGNATING RECALL 08V-465, WILL REPLACE THE POWER STEERING COOLER HOSE AND CLAMP IN ALL VEHICLES THAT RECEIVED THE ORIGINAL RECALL REMEDY FOR 03V-121 AND WHICH HAVEN'T RECEIVED A SUBSEQUENT REPAIR TO INSTALL A REVISED HOSE AND CLAMP.APPROXIMATELY ONE-THIRD OF THE VEHICLES THAT RECEIVED THE ORIGINAL REPAIR PROCEDURE AND PARTS RETURNED FOR SUBSEQUENT SERVICE FOR LEAKAGE FROM THE HOSE FITTING AND, IN APPROXIMATELY 10 PERCENT OF THESE VEHICLES, COMPLETE SEPARATION OF THE HOSE FROM THE COOLER.A REVISED SERVICE PROCEDURE FOR 03V-121, WHICH INVOLVED REPLACING THE OLD HOSE AND CLAMP WITH MODIFIED PARTS, HAD SIGNIFICANTLY LOWER RATES OF RETURN REPAIRS.MBUSA WILL APPLY THE REVISED SERVICE PROCEDURE FROM 03V-121 TO THE VEHICLES COVERED UNDER 08V-465.ACCORDINGLY THIS RECALL QUERY IS CLOSED.
Illustration