2003 Mercedes-Benz M ClassProblems, recalls & complaints

NHTSA has logged 10 owner complaints about the 2003 Mercedes-Benz M Class, most often about the electrical system. It is covered by 3 safety recalls.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 17, 2011. Updated daily.

Complaints by system

Where the 2003 Mercedes-Benz M Class has problems

10 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system42
Engine and engine cooling21
Seats22
Steering10
Fuel system, gasoline10
Exterior lighting10
Power train10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2003 Mercedes-Benz M Class recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Vehicle speed control: cruise control

Recall 11V-208 · Mar 31, 2011 · 136,751 vehicles

Risk. DIFFICULTY OR DELAY IN DISENGAGING CRUISE CONTROL CAN INCREASE THE RISK OF A CRASH.

Problem, fix and repair progress →

–no report yet

Hydraulic power assist: hose, piping, and connections

Recall 08V-465 · Sep 17, 2008 · 125,228 vehicles

Risk. THE LOSS OF POWER STEERING FLUID MAY RESULT IN DIMINISHED POWER STEERING OVER TIME AND ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP.

Problem, fix and repair progress →

–no report yet

Hydraulic power assist: hose, piping, and connections

Recall 03V-121 · Mar 27, 2003 · 211,000 vehicles

Risk. THE LOSS OF POWER STEERING FLUID MAY RESULT IN DIMINISHED POWER STEERING OVER TIME AND ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2003 vs. every other M Class year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the M Class median. How we score

'98'99'00'01'02'03'04'06'07'08'09
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2003 Mercedes-Benz M Class, and the recalls they led to.

  1. POWER STEERING HOSE LEAKRQ08002 · closed Sep 17, 2008
    Led to recall 08V-465
In owners' words

What M Class owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

TL*THE CONTACT OWNS A 2003 MERCEDES-BENZ ML55. WHILE DRIVING 60 MPH HE ENGAGED THE SEAT HEATER. THE FRONT AND REAR SEATS BECAME EXTREMELY HOT. HE WAS UNABLE TO TURN THE HEATER OFF. HE PULLED OVER AND NOTICED SMOKE AND SPARKS. HE POURED WATER OVER THE SEATS AND THE SPARKS STOPPED. THE SEAT HEATER…
Complaint 10199582 · Aug 14, 2007 · 28,000 miles
- NO PRECURSORS OR APPARENT DAMAGE - DRIVERS SEAT HEATER FAILED RESULTING IN STRONG BURNING SMELL, AND SUPERFICIAL BURN TO LEFT UPPER LEG OF DRIVER
Complaint 10120832 · May 13, 2005 · 25,000 miles
ON THE HIGHWAY DRIVING 65 MY 2003 ML500 MERCEDES - BENZ COMPUTER SHUT DOWN AFTER HITTING A SMALL BUMP. IT WAS VERY DANGEROUS AND WAS SCARED FOR MY LIFE THERE ENGINE TURNED OFF AND WAS LUCKILY ABLE TO STOP AT THE SIDE OF THE ROAD AND START THE CAR AGAIN. THIS HAPPENED A COUPLE OF WEEKS BEFORE BUT IT…
Complaint 10065804 · Apr 8, 2004 · 24,300 miles

Own a 2003 M Class?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.