Mercedes C 300 Sport Edition De Auto
Reliability, estimated running costs, and MOT data across 2 model years from 416 MOT tests in 2024.
Avg Pass Rate
90%
Total Tests
416
Highest Pass Rate
2020 (93%)
Years Covered
2
About the Mercedes C 300 Sport Edition De Auto
The Mercedes C 300 Sport Edition De Auto was MOT tested 416 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 90%. That's comfortably above the average of 82% across all models in our data. Our records list diesel hybrid versions.
Best and Worst Years
Of the years with at least 100 tests, the 2020 model has the highest pass rate at 93% from 227 tests. The 2021 model has the lowest at 87%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Mileage Across Years
The oldest model in our data (2020) averages 58,078 miles, while the newest (2021) averages 51,193 miles.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Mercedes C 300 Sport Edition De Auto?
Mercedes C 300 Sport Edition De Auto by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Mercedes C 300 Sport Edition De Auto
Is the Mercedes C 300 Sport Edition De Auto reliable?
Across its 2 model years in our data (2020 to 2021), the Mercedes C 300 Sport Edition De Auto averages a 90% MOT pass rate, from 416 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 93%.
Which year Mercedes C 300 Sport Edition De Auto has the best MOT pass rate?
Of the years with at least 100 tests, the 2020 Mercedes C 300 Sport Edition De Auto has the highest MOT pass rate at 93%, while the 2021 model has the lowest at 87%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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