EnginePart report
2011 Mercedes-Benz S400 Engine Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 70,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2011 Mercedes-Benz S400, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 70,000 miles.
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…
- 11008064Aug 9, 2024In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to inform you that on certain Model Year 2011-2018 C-Class, E-Class…
- 11031736Sep 6, 2023In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA ("MBUSA") is extending…
- 10135639Oct 17, 2014Vehicle cannot be unlocked (CL), engine does not start - 12V starter battery discharged
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2011 | 2 | 40% |
| 2010 | 3 | 19% |
Other parts of the 2011 Mercedes-Benz S400
Electrical system
2 complaintsFuel system
1 complaintsHybrid propulsion system
1 complaintsSuspension
1 complaintsWheels
1 complaints
2 complaintsFuel system
1 complaintsHybrid propulsion system
1 complaintsSuspension
1 complaintsWheels
1 complaints
← All problems reported for the 2011 Mercedes-Benz S400
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