AI DamageMercedes-Benz AMG SLC43: problems, complaints, bulletins
Summary for the Mercedes-Benz AMG SLC43 across 4 model years: 1 owner complaints and 98 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- Backover prevention: 1 complaints (100% of all); manufacturer bulletins for this component: 4.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3 L · petrol · turbo · 6 cyl 2017–2020
- automatic, 9-speed 2017–2020
Drive: RWD
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Backover prevention | 1 | 0 | 4 |
| Powertrain | 0 | 0 | 90 |
| Electrical system | 0 | 0 | 58 |
| Exterior lighting | 0 | 0 | 48 |
| Structure | 0 | 0 | 24 |
| Service brakes | 0 | 0 | 20 |
| Equipment | 0 | 0 | 17 |
| Suspension | 0 | 0 | 16 |
| Engine and cooling | 0 | 0 | 12 |
| Visibility | 0 | 0 | 12 |
| Steering | 0 | 0 | 10 |
| Engine | 0 | 0 | 8 |
| Seats | 0 | 0 | 5 |
| Wheels | 0 | 0 | 4 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Back up camera failed to display. This problem has occurred randomly several times in the past.
What to check before buying
- Backover prevention. Rear camera and parking sensors after a rear impact.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
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 Noises in the steering column area when steering. See example file in the attachments area
- Complaint Only vehicles with a variable transfer case are affected
- Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic…
- 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…
- 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
- Complaint Mercedes-Benz USA is currently experiencing limited availability of transmission fluid…
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
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.