2011 Mercedes-Benz S550 Forward collision avoidance Problems
- Complaints
- 1about this part
- Share
- 11%of 9 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 forward collision avoidance of the 2011 Mercedes-Benz S550, 11% of the 9 complaints for this model year.
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 instrument cluster on my 2011 Mercedes-Benz S550 (W221) is locked by a persistent red “Battery Not Charged” warning message. This message appears even though the charging system is working correctly (normal charging voltage, new battery, and new battery sensor installed). …”
NHTSA complaint #11757779, filed 2026-08Forward collision avoidance: other model years
Other parts of the 2011 Mercedes-Benz S550
2 complaintsOther or unknown
2 complaintsElectrical system
1 complaintsEngine
1 complaintsExterior lighting
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 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