2020 Mercedes-Benz C-Class: owner complaints and recalls
Analysis of 45 owner complaints filed with NHTSA and 0 recall campaigns. Updated 2026-07-25.
45
Complaints
0
Recalls
5
Crash reports
0
Fire reports
4
Injuries
115.6
Severity index
Severity index 115.6 - High. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.
Among the 103 2020 vehicles we track with at least 40 complaints on file, the 2020 Mercedes-Benz C-Class ranks 14 of 103 by severity, where 1 is the worst. Its severity is higher than 86% of its model-year peers. See the full 2020 ranking.
What actually fails
| Component | Complaints | Share of complaints citing it |
|---|---|---|
| ENGINE | 9 | 20.0% |
| POWER TRAIN | 7 | 15.6% |
| UNKNOWN OR OTHER | 7 | 15.6% |
| STRUCTURE | 4 | 8.9% |
| ELECTRICAL SYSTEM | 4 | 8.9% |
| FUEL/PROPULSION SYSTEM | 4 | 8.9% |
| BACK OVER PREVENTION | 4 | 8.9% |
| AIR BAGS | 3 | 6.7% |
The single most-reported system is ENGINE, cited in 9 of 45 complaints (20.0%). One complaint can name several systems, so these shares overlap and do not total 100%.
Complaints filed per year
| Year | Complaints |
|---|---|
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 (year to date) | 7 |
Complaint volume is broadly steady year over year.
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.