Mercedes-Benz C 300 engine problems by year
138 NHTSA owner complaints name the engine across 6 C 300 model years. The most reported year is 2017 with 77 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2023 C 300 | 2 | 9% | — | |
| 2022 C 300 | 2 | 8% | — | |
| 2020 C 300 | 8 | 24% | — | |
| 2019 C 300 | 15 | 23% | — | |
| 2018 C 300 | 34 | 35% | — | |
| 2017 C 300 | 77 | 36% | — |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.