2012 Mercedes-Benz ML350 Engine Problems
NHTSA lists 24 engine complaints for the 2012 Mercedes-Benz ML350, 37% of the 65 total complaints filed for the year. Median mileage at failure is 31,850 miles. No related recall is listed for this engine issue.
- Engine complaints
- 24
- 37% of 65
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 31,850 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Engine stalls unexpectedly at stops or traffic lights, sometimes recurring multiple times over days or weeks.
- Vehicle loses power while driving, in some cases with the throttle pedal sticking or failing to respond to braking.
- Difficulty starting the engine, including one case where a dealer replaced pistons after repeated failed start attempts.
- Vibration and grinding noise reported between 40 and 45 miles per hour during the first minutes of driving, which dealers could not resolve.
- Fuel system failures including a high-pressure fuel pump replacement and a fuel line coming loose and leaking diesel fuel while driving.
- Engine warning light tied to the diesel emission additive system reported by an owner around 42,500 miles.
When 2012 Mercedes-Benz ML350 engine complaints were filed
First complaint May 2, 2012, latest Jan 23, 2025.
Engine recalls for the 2012 Mercedes-Benz ML350
No safety recalls on record for this model year.
Engine complaints by ML350 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many engine complaints does the 2012 Mercedes-Benz ML350 have?
- NHTSA lists 24 engine complaints for the 2012 ML350, which is 37% of all 65 complaints filed for that model year.
- Is there a recall for the 2012 ML350 engine problems?
- No related recall is listed in NHTSA data for this engine complaint area.
- At what mileage do 2012 ML350 engine problems typically occur?
- The median mileage at failure among reported engine complaints is 31,850 miles.
- What kind of engine problems do owners report on the 2012 ML350?
- Owners report stalling at stops, sudden power loss, hard starting, fuel pump and fuel line failures, and vibration or grinding noise at certain speeds.
- Did the 2012 ML350 engine issue cause any crashes?
- NHTSA data shows 1 crash and 0 fires linked to engine complaints for the 2012 ML350, with no reported injuries.