AI DamageMercedes-Benz EQC 400: problems, complaints, bulletins
Summary for the Mercedes-Benz EQC 400 across 1 model years: 0 owner complaints and 44 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 |
|---|---|---|---|---|
| 2020 | 0 | 0 | 44 | 0 |
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 13 |
| Equipment | 0 | 0 | 7 |
| Exterior lighting | 0 | 0 | 7 |
| Structure | 0 | 0 | 5 |
| Powertrain | 0 | 0 | 4 |
| Steering | 0 | 0 | 4 |
| Engine and cooling | 0 | 0 | 3 |
| Visibility | 0 | 0 | 3 |
| Seats | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
| Electronic stability control | 0 | 0 | 1 |
| Engine | 0 | 0 | 1 |
| Lane departure | 0 | 0 | 1 |
| Latches, locks, linkages | 0 | 0 | 1 |
What to check before buying
- 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.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the…
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can…
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon,…
- Complaint MBUX head unit display with red text box "System Inoperative"
- Complaint MBUX headunit display with red text box "System Inoperative"
- Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver,…
- Complaint Tailgate opens unintentionally
- Complaint The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically…
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the…
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the…
- Complaint Fuel door may require several attempts to open
- Complaint Paint damage on door paneling in area of door handle (see picture 1)
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.