2011 Mercedes-Benz S550 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
9 owner complaints analyzed
2 distinct recall campaigns
67,440 mi median reported failure mileage
Scope: 2011 model year. Data snapshot: . 4 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Fuel/Propulsion System is the most frequently named component, appearing in 2 of 9 complaints (22.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 11.1% |
| Braking behavior | 1 | 11.1% |
| Electrical and battery issues | 1 | 11.1% |
| Fuel system concerns | 1 | 11.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel/Propulsion System | 2 |
| Unknown Or Other | 2 |
| Electrical System | 1 |
| Engine | 1 |
| Exterior Lighting | 1 |
| Forward Collision Avoidance: Automatic Emergency Braking | 1 |
| Forward Collision Avoidance: Warnings | 1 |
| Structure:Body | 1 |
Fuel/Propulsion System: 2; Unknown Or Other: 2; Electrical System: 1; Engine: 1; Exterior Lighting: 1; Forward Collision Avoidance: Automatic Emergency Braking: 1; Forward Collision Avoidance: Warnings: 1; Structure:Body: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 2; 75,000 to 99,999: 0; 100,000 to 149,999: 1; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (2). 5 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
2015: 1; 2016: 1; 2017: 1; 2018: 1; 2020: 1; 2022: 1; 2024: 1; 2025: 1; 2026: 1
Pattern summary
Fuel/Propulsion System leads the component reports. Transmission and shifting appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11002352 · 2017-06-29 (June 29, 2017)
SHIFTING LEVER IS UP FOR REVERSE, CENTER FOR PARK, DOWN FOR FORWARD. ALL OTHER TRANSMISSIONS YOU PUSH UP FOR PARK. AFTER DRIVING ALL OTHER CARS, EVEN PRIOR MERCEDES IF YOU EXIT THE CAR YOU PUSH THE TRANSMISSION LEVER TO UP FOR PARK EVEN WITH THE ENGINE RUNNING YOU PUSH THE LEVER UP FOR PARK. THIS BECOMES A HABIT, A REFLEXIVE ACTION BUT IF YOU DO THIS IN THIS MERCEDES YOU GO INTO REVERSE. WHAT HAPPENED TO ME IS I STARTED THE CAR IN MY GARAGE AND FORGOT SOMETHING SO I HOPPED OUT WHILE REACHING FOR THE SHIFT LEVER AND PUSHED UP FOR PARK, BUT …
Owner-reported narrative. 67,000 miles reported. Look up ODI 11002352 at NHTSA ↗
Owner report 11757779 · 2026-08-18 (August 18, 2026)
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). Because the cluster is locked, I can no longer: • View or reset tire pressure (TPMS) • Access the digital speed display • Adjust or enable certain lighting functions, including daytime running lights • Adjust seatbelt settings • Turn the blind spot monitor on or off •…
Owner-reported narrative. Look up ODI 11757779 at NHTSA ↗
Owner report 11457260 · 2022-03-18 (March 18, 2022)
I am filing a complaint with your agency regarding a fuel pump malfunction with my 2011 Mercedes S550 (VIN# [XXX]), because I feel that the incident below is a major safety concern and is similarly situated to the following NHTSA Campaign #12V557000. On March 15, 2022, I was pumping gas into my vehicle at Costco in Brookhaven, Georgia. The gas attendant and I were chatting about gas prices and so forth. In 10-to-15 minutes Costco's members that were getting gas, were attempting to alert us that an ocean ($88.00) of fuel was rapidly spewing …
Owner-reported narrative. Look up ODI 11457260 at NHTSA ↗