2011 Mercedes-Benz E550 Engine Problems
- Complaints
- 2about this part
- Share
- 3%of 61 total for the year
- Median mileage
- —not reported
- 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 E550, 3% of the 61 complaints for this model year. 1 a fire, according to the filers.
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.
“Beginning sometime in may 2013, the car began leaking fumes into the passenger cabin which made me very ill. After taking it to both park place mercedes here in dallas, and then mercedes benz of plano, neither service department could determine what was wrong with the vehicle. After repeated attempts to get to the bottom of the matter with park place, I took it to mercedes benz of plano in november 2013. They evaluated the car, changed the battery, and gave the car back to me in december of 2013 for a weekend, claiming it was fixed. …”
NHTSA complaint #10648992, filed 2014-10“The issue with the vehicle's electrical causing power to the starter to stay on even after the vehicle is in the park and turned off, the starter's Solenoid and other electrical parts burn, its a serious fire hazard and needs to be addressed immediately.”
NHTSA complaint #11493623, filed 2022-11Related 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…
- 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
Other parts of the 2011 Mercedes-Benz E550
32 complaintsSuspension
20 complaintsOther or unknown
3 complaintsBrakes
2 complaintsFuel system
2 complaintsElectrical system
1 complaintsLane departure
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2011 Mercedes-Benz E550
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