2003 Mercedes Benz ML500 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
13 owner complaints analyzed
0 distinct recall campaigns
104,500 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 8 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 5 of 13 complaints (38.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 4 | 30.8% |
| Steering behavior | 3 | 23.1% |
| Transmission and shifting | 1 | 7.7% |
| Engine operation | 1 | 7.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 5 |
| Electrical System | 3 |
| Steering | 3 |
| Seats | 2 |
| Service Brakes | 2 |
| Fuel System, Gasoline | 1 |
| Seats:Front Assembly:Seat Heater/Cooler | 1 |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 1 |
Engine: 5; Electrical System: 3; Steering: 3; Seats: 2; Service Brakes: 2; Fuel System, Gasoline: 1; Seats:Front Assembly:Seat Heater/Cooler: 1; Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 4 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 2 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 4; 100,000 to 149,999: 2; 150,000 and above: 2
75,000 to 99,999 miles has the most reports with usable mileage (4). 5 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2005 | 1 |
| 2006 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
2005: 1; 2006: 1; 2009: 1; 2011: 1; 2012: 1; 2013: 1; 2014: 2; 2015: 1; 2016: 1; 2017: 1; 2018: 1; 2019: 1
Pattern summary
Engine leads the component reports. Braking behavior appears in 4 complaint narratives. Steering behavior appears in 3 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10124707 · 2005-05-31 (May 31, 2005)
2003 MERCEDES BENZ ML500 ABS LIGHT ILLUMINATED ON THE DASHBOARD AND THE VEHICLE WAS TAKEN TO THE DEALER. THE DEALER NOTIFIED THE CONSUMER THAT THE BRAKES AND TIRES NEEDED TO BE CHANGED.*MR *NM
Owner-reported narrative. Look up ODI 10124707 at NHTSA ↗
Owner report 10730545 · 2015-06-26 (June 26, 2015)
TL* THE CONTACT OWNS A 2003 MERCEDES BENZ ML500. WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO RESPOND INTERMITTENTLY. THE ABS WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 81,000...UPDATED 08/06/15 *BF THE CONSUMER STATED TWO LINES FROM THE RESERVOIR TO THE HYDRAULIC PRESSURE REGULATOR FAILED. FURTHER INVESTIGATION REVEALED ALL THE BRAKE LINES HAD SEVERE PITTING AND CORROSION , AS WELL AS THE FUEL LINES. UPDATED 08/1…
Owner-reported narrative. 81,000 miles reported. Look up ODI 10730545 at NHTSA ↗
Owner report 10261377 · 2009-03-09 (March 9, 2009)
I PAID MY DEALER FOR A REPAIR OF A COMPONENT THAT WAS COVERED UNDER A RECALL. HOW DO I GET A REFUND OR CREDIT FOR THE EXPENSE. I HAVE ML 500 MERCEDES BENZ 2003. MY POWER STEERING PUMP FAILED AND WAS REPLACED AT THE WHITE PLAINS N.Y. DEALERSHIP. *TR
Owner-reported narrative. 83,317 miles reported. Look up ODI 10261377 at NHTSA ↗
Owner report 10887829 · 2016-07-22 (July 22, 2016)
TAKATA RECALL. POWER STEERING BRAKE ISSUE, POWER STEERING HOSE BECAME DETACHED DURING VEHICLE OPERATION, COULD NOT STEER VEHICLE. TRANSMISSION AND RADIO DRAIN, CAR CUT OFF ON ME DURING DRIVING.
Owner-reported narrative. 150,000 miles reported. Look up ODI 10887829 at NHTSA ↗
Owner report 10960216 · 2017-03-12 (March 12, 2017)
LOSS OF POWER STEERING DRIVING ON THE FREEWAY DUE TO SUDDEN BREAK OF IDLER ARM PULLEY AND SUBSEQUENT SHREDDING OF BELT. PROBLEM IS THE PULLEY IS MADE OF PLASTIC AND CRACKED IN TWO, LEAVING 1/2 THE PULLEY AND SHREDDING THE BELT. THIS OCCURRED AT DRIVING SPEED OF 50 MPH AND MILEAGE AROUND 169,650 ON 2003 ML500. THIS WAS VERY DANGEROUS. I WAS ABLE TO PULL OFF THE FREEWAY AS I WAS DRIVING IN THE LANE NEAREST FREEWAY EXITS. ALMOST IMPOSSIBLE BUT ABLE TO STEER INTO A PARKING LOT. LUCKY IT WAS 'RUSH' HOUR AND TRAFFIC WAS SLOW ON SURFACE STREETS. INCRE…
Owner-reported narrative. 169,650 miles reported. Look up ODI 10960216 at NHTSA ↗