AI DamageMercedes-Benz AMG SL55 4matic+: problems, complaints, bulletins
Summary for the Mercedes-Benz AMG SL55 4matic+ across 5 model years: 0 owner complaints and 87 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 145 |
| Structure | 0 | 0 | 35 |
| Powertrain | 0 | 0 | 21 |
| Suspension | 0 | 0 | 20 |
| Exterior lighting | 0 | 0 | 14 |
| Service brakes | 0 | 0 | 14 |
| Steering | 0 | 0 | 14 |
| Visibility | 0 | 0 | 12 |
| Backover prevention | 0 | 0 | 8 |
| Wheels | 0 | 0 | 8 |
| Engine | 0 | 0 | 7 |
| Fuel/propulsion system | 0 | 0 | 4 |
| Lane departure | 0 | 0 | 4 |
| Air bags | 0 | 0 | 3 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- A software update will be performed that provides enhancements to the robustness and system stability of…
- Complaint Clanking noise from the area of the speakers in the doors
- Complaint Slight creaking noises when steering
- Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE
- Complaint Issue after OTA Update IC Odometer Reading blank("_ _ _ _") IC Maintanence data unavailable…
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious…
- Complaint Noises/ squealing from the service brake in various driving situations and ambient conditions
- Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same…
- Dear Mercedes-Benz Owner
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious…
- Complaint The following most common complaints may be observed
- Complaint Oil leaks found on M176 or M177 engines diagnosed to be from the cylinder head cover area Cause…
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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.