EnginePart report
2008 Mercedes-Benz ML550 Engine Problems
- Complaints
- 1about this part
- Share
- 6%of 18 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2008 Mercedes-Benz ML550, 6% of the 18 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11017039Apr 1, 2025Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant…
- 10158329Oct 9, 2017Oil in engine wiring harness
- 10135598Mar 25, 2015Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor"
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2008 | 1 | 6% |
Other parts of the 2008 Mercedes-Benz ML550
Electrical system
5 complaintsSteering
4 complaintsAir bags
2 complaintsBrakes
2 complaintsOther or unknown
2 complaintsSeat belts
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsSuspension
1 complaintsTires
1 complaints
5 complaintsSteering
4 complaintsAir bags
2 complaintsBrakes
2 complaintsOther or unknown
2 complaintsSeat belts
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsSuspension
1 complaintsTires
1 complaints
← All problems reported for the 2008 Mercedes-Benz ML550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology