2011 Mercedes-Benz S400 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
5 owner complaints analyzed
2 distinct recall campaigns
93,500 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
Electrical System is the most frequently named component, appearing in 2 of 5 complaints (40.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 2 | 40.0% |
| Engine operation | 1 | 20.0% |
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 |
|---|---|
| Electrical System | 2 |
| Engine | 2 |
| Fuel/Propulsion System | 1 |
| Hybrid Propulsion System | 1 |
| Suspension | 1 |
| Wheels | 1 |
Electrical System: 2; Engine: 2; Fuel/Propulsion System: 1; Hybrid Propulsion System: 1; Suspension: 1; Wheels: 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 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 2; 150,000 and above: 0
100,000 to 149,999 miles has the most reports with usable mileage (2). 1 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 |
|---|---|
| 2018 | 3 |
| 2021 | 1 |
| 2023 | 1 |
2018: 3; 2021: 1; 2023: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues appears in 2 complaint narratives. Engine operation 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 11089093 · 2018-04-20 (April 20, 2018)
TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF TAMPA (4400 N DALE MABRY HWY, TAMPA, FL 33614) WHERE IT WAS DIAGNOSED THAT THE POWER ELECTRONIC CONTROL MODULE FAILED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT REFERENCED TSB NUMBER: 10050865 (ELECTRICAL AND AIR CONDITIONING), BUT THE VEHICLE HAD ALREADY BEEN REPAIRED PER THE SERVICE BULLETIN. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INFORMED THE CONTACT THAT HE WOULD BE RESP…
Owner-reported narrative. 123,000 miles reported. Look up ODI 11089093 at NHTSA ↗
Owner report 11404876 · 2021-03-25 (March 25, 2021)
TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT STATED THAT THE VEHICLE FAILED TO START INTERMITTENTLY. THE HYBRID BATTERY WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT THE INTERIOR LIGHTS WERE INOPERABLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF TAMPA (4400 N DALE MABRY HWY, TAMPA, FL 33614, (813)543-8419) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE POWER ELECTRONIC MODULE FOR THE HYBRID SYSTEM FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROX…
Owner-reported narrative. 18,000 miles reported. Look up ODI 11404876 at NHTSA ↗