Engine complaints and recalls from NHTSA
Summary
The 2020 Mercedes-Benz C-Class has 4 NHTSA engine complaints and 0 engine-related recalls.
4
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Oct 9, 2025 | ENGINE | I am reporting a catastrophic repeat engine failure on my 2020 Mercedes-Benz C300. On October 9, 202... |
| Mar 27, 2025 | ENGINE | I own a 2020 Mercedes-Benz C300, and the check engine light recently came on. The vehicle has only ... |
| Mar 16, 2024 | ENGINE | Cylinder head is defective. Service advisor told me it was a known issue in which exhaust valves wit... |
| Aug 29, 2020 | ENGINE | MY 2016 C300 (IN-LINE 4 TURBO, "PETROL" WITH 241HP) AT 55K MILES HAD 1ST CYLINDER CRACKED WHILE DRIV... |