2010 Mercedes-Benz S400 Engine Problems
- Complaints
- 3about this part
- Share
- 19%of 16 total for the year
- Median mileage
- 61,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2010 Mercedes-Benz S400, 19% of the 16 complaints for this model year. Where a mileage was given, the median is 61,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The S400 hybrid has a habit of stalling when in a stop position. This requires a complete re-start at a stop light or after having come to a complete stop. In addition the air conditioning shuts off and does not come back on until you stop for a few minutes and re-start the vehicle. The car stalling is very un-safe. The car stalls at a stop position.”
NHTSA complaint #10891643, filed 2016-07, 61,000 miles“Purchased a mercedes benz S400 hybrid last year with 20,000 miles driven. This car retails new for $119,000. The car has now been in the shop at ewing mercedes benz of plano since may 2013 over 6 times for the same engine light and code. They are unable to repair the vehicle after extensive testing from the director of service oversight. Since these repairs mercedes benz corporate in germany took the car off the market and no longer make it available for purchase in the united states. …”
NHTSA complaint #10553236, filed 2013-11, 33,597 milesRelated 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…
- 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 2010 Mercedes-Benz S400
10 complaintsFuel system
3 complaintsOther or unknown
2 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsEquipment
1 complaintsSteering
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2010 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