EnginePart report
2011 Mercedes-Benz S550 Engine Problems
- Complaints
- 1about this part
- Share
- 11%of 9 total for the year
- Median mileage
- 118,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2011 Mercedes-Benz S550, 11% of the 9 complaints for this model year. Where a mileage was given, the median is 118,000 miles. 1 a fire, according to the filers.
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…
- 11031590Sep 6, 2023This NCU replaces the prior NCU issued on March 10, 2023, and contains clarification on reimbursement timeline and removal of damage codes related to intake valves/guide.
Engine: other model years
Other parts of the 2011 Mercedes-Benz S550
Fuel system
2 complaintsOther or unknown
2 complaintsElectrical system
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
2 complaintsOther or unknown
2 complaintsElectrical system
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2011 Mercedes-Benz S550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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