AI Damage2005 Mercedes-Benz ML500: common problems
Owners of the 2005 Mercedes-Benz ML500 filed 3 complaints with NHTSA, most often about engine and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 3
What fails most often
- 1 Engine 33% of all complaints
- 2 Engine and cooling 33% of all complaints
- 3 Service brakes 33% of all complaints
- Engine: 1 complaints (33% of all).
- Engine and cooling: 1 complaints (33% of all).
- Service brakes: 1 complaints (33% of all).
Symptoms owners describe
How many of the 3 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 1 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The contact stated that while attempting to come to a stop, the vehicle stalled without warning. The vehicle was taken to a dealer. The technician diagnosed that the das control box module needed to be replaced. The vehicle was repaired. However, the failure recurred. The manufacturer was made aware of the failure.
While driving at an unknown speed, the check engine light illuminated on the instrument panel. The contact took the vehicle to the dealer and was informed that the crankshaft position sensor needed to be replaced. The vehicle was serviced on three different occasions.
Ml500 eats through brakes. El dorado hills mercedes replaced brakes and rotors on my ml500 at 29000 when I purchased the vehicle, since then they have had to replace the brakes and rotors 3 times and I only have 60000 on the vehicle and most of that was highway driving.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 17,150 of 36,656 model years in the NHTSA data (top 47% most complained about).
On average one model year of the ML500 has 15 complaints (7 years in the data). This year has 3, below average.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
Questions and answers
What are the most common problems with the 2005 Mercedes-Benz ML500?
Owner complaints to NHTSA most often mention: engine, engine and cooling, service brakes. Total complaints: 3. The most frequent symptoms in complaint texts: won't start (33%), stalls while driving (33%), warning lights, check engine (33%).
How many service bulletins (TSB) were issued for the 2005 Mercedes-Benz ML500?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2005 Mercedes-Benz ML500 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2005 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.