Mercedes C300d
Reliability, running costs, and MOT data across 1 years from 40 real MOT tests.
Avg Pass Rate
100%
Total Tests
40
Best Year
2019 (100%)
Years Covered
1
How reliable is the Mercedes C300d?
Mercedes C300d by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2019 | 100% | 40 | 54,372 mi |
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About the Mercedes C300d
The Mercedes C300d has been tested 40 times in 2024 MOT data across 1 model years (2019 to 2019), with an average pass rate of 100%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.
Best and Worst Years
The 2019 model is the most reliable with a 100% pass rate from 40 tests. The 2019 model has the lowest at 100%. With just a 0 point spread, the C300d is consistently reliable regardless of year.
Compared to the Mercedes brand average of 87%, the C300d performs 13 points better, making it one of the more reliable options in the Mercedes range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.