Total Complaints
3 filings
MERCEDES-BENZ S400 · model year
3 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2013MERCEDES-BENZS400 carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2013 S400 is electrical system with 1 filings, followed by power train (1) and unknown or other (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2013 S400. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
3 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 1 |
| POWER TRAIN | 1 |
| UNKNOWN OR OTHER | 1 |
-Combustion engine sporadically fails to start. -Combustion engine can no longer be started. -Start/Stop function is sporadically unavailable (READY displayed in yellow in instrument cluster). -Start/Stop function fails to function properly in dangerous road conditions - e.g., when pulling into an intersection, in stop & go traffic, when proceeding at a stop light, etc. -This is the second time this major incident has occurred; this was repaired in December 2020 under manufacturer warranty. The Power Electronics (Electric Motor) Control Unit was replaced. It is clear this is a recurring failure affecting this vehicle. ***Campaign No. 2012080004, November 2012 addresses this exact issue - for this exact car (i.e., Mercedes-Benz S 400 (221.195) V6-3.5L (272.974) Hybrid. However, that Recall Campaign is covers Model Years 2010-2012, but fails to cover MY 2013, which is exactly the same as the covered vehicles. This Campaign instructs to Check/Replace the Power Electronics Module, whi
-Combustion engine sporadically fails to start. -Combustion engine can no longer be started. -Start/Stop function is sporadically unavailable (READY displayed in yellow in instrument cluster). -Start/Stop function fails to function properly in dangerous road conditions - e.g., when pulling into an intersection, in stop & go traffic, when proceeding at a stop light, etc. -This is the second time this major incident has occurred; this was repaired in December 2020 under manufacturer warranty. The Power Electronics (Electric Motor) Control Unit was replaced. It is clear this is a recurring failure affecting this vehicle. ***Campaign No. 2012080004, November 2012 addresses this exact issue - for this exact car (i.e., Mercedes-Benz S 400 (221.195) V6-3.5L (272.974) Hybrid. However, that Recall Campaign is covers Model Years 2010-2012, but fails to cover MY 2013, which is exactly the same as the covered vehicles. This Campaign instructs to Check/Replace the Power Electronics Module, whi
-Combustion engine sporadically fails to start. -Combustion engine can no longer be started. -Start/Stop function is sporadically unavailable (READY displayed in yellow in instrument cluster). -Start/Stop function fails to function properly in dangerous road conditions - e.g., when pulling into an intersection, in stop & go traffic, when proceeding at a stop light, etc. -This is the second time this major incident has occurred; this was repaired in December 2020 under manufacturer warranty. The Power Electronics (Electric Motor) Control Unit was replaced. It is clear this is a recurring failure affecting this vehicle. ***Campaign No. 2012080004, November 2012 addresses this exact issue - for this exact car (i.e., Mercedes-Benz S 400 (221.195) V6-3.5L (272.974) Hybrid. However, that Recall Campaign is covers Model Years 2010-2012, but fails to cover MY 2013, which is exactly the same as the covered vehicles. This Campaign instructs to Check/Replace the Power Electronics Module, whi
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.