AI DamageMercedes-Benz S550 Hybrid: problems, complaints, bulletins
Summary for the Mercedes-Benz S550 Hybrid across 1 model years: 1 owner complaints and 83 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
| Year | Owner complaints | involving a crash | Technical service bulletins (TSB) | YouTube repair videos |
|---|---|---|---|---|
| 2016 | 1 | 0 | 83 | 0 |
What fails most often
- 1 Service brakes 100% of all complaints
- 2 Electronic stability control 100% of all complaints
- 3 Vehicle speed control 100% of all complaints
- Service brakes: 1 complaints (100% of all); manufacturer bulletins for this component: 1.
- Electronic stability control: 1 complaints (100% of all).
- Vehicle speed control: 1 complaints (100% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 1 | 0 | 1 |
| Electronic stability control | 1 | 0 | 0 |
| Vehicle speed control | 1 | 0 | 0 |
| Electrical system | 0 | 0 | 24 |
| Exterior lighting | 0 | 0 | 14 |
| Powertrain | 0 | 0 | 14 |
| Suspension | 0 | 0 | 7 |
| Visibility | 0 | 0 | 7 |
| Engine | 0 | 0 | 6 |
| Equipment | 0 | 0 | 6 |
| Structure | 0 | 0 | 6 |
| Engine and cooling | 0 | 0 | 2 |
| Steering | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Wheel speed sensor failure reoccurring constantly on vehicle, others seem to have same issue. Reoccurs due to part failure I would suggest. Causes dangerous conditions with abs and traction control failure.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electronic stability control. ABS/ESC sensors, steering angle, codes after suspension repair.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint Clanking noise from the area of the speakers in the doors
- Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic…
- Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE
- Complaint Only vehicles with a variable transfer case are affected
- Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same…
- Complaint Tailgate opens unintentionally
- Complaint A popup is seen on the HU with the message "data connection temporarily not available"
- Complaint Clanking noise from the area of the speakers in the doors
- Complaint This document is intended as a pre-case diagnostic reference for transmission related concerns
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering…
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering…
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.