Mercedes C 300 AMG Line Ed Prem D A
Reliability, estimated running costs, and MOT data across 4 model years from 1,902 MOT tests in 2024.
Avg Pass Rate
91%
Total Tests
1,902
Highest Pass Rate
2020 (92%)
Years Covered
4
About the Mercedes C 300 AMG Line Ed Prem D A
The Mercedes C 300 AMG Line Ed Prem D A was MOT tested 1,902 times in 2024 (DVSA data, retests included) across 4 model years (2019 to 2021), with an average pass rate of 91%. That's comfortably above the average of 82% across all models in our data. Our records list diesel versions.
Best and Worst Years
Of the years with at least 100 tests, the 2020 model has the highest pass rate at 92% from 1,262 tests. The 2020 model has the lowest at 88%. With just a 4 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
Reliability Trend
The Mercedes C 300 AMG Line Ed Prem D A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Mileage Across Years
The oldest model in our data (2019) averages 40,932 miles, while the newest (2021) averages 29,758 miles.
Compared to the Mercedes brand average of 87%, the C 300 AMG Line Ed Prem D A performs 4 points better, making it one of the more reliable options in the Mercedes range.
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 AMG Line Ed Prem D A?
Mercedes C 300 AMG Line Ed Prem D A by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Mercedes C 300 AMG Line Ed Prem D A
Is the Mercedes C 300 AMG Line Ed Prem D A reliable?
Across its 4 model years in our data (2019 to 2021), the Mercedes C 300 AMG Line Ed Prem D A averages a 91% MOT pass rate, from 1,902 tests (DVSA MOT data for tests in 2024, retests included). That's 9 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 92%.
Which year Mercedes C 300 AMG Line Ed Prem D A has the best MOT pass rate?
Of the years with at least 100 tests, the 2020 Mercedes C 300 AMG Line Ed Prem D A has the highest MOT pass rate at 92%, while the 2020 model has the lowest at 88%, a 4 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Mercedes C 300 AMG Line Ed Prem D As more reliable?
The Mercedes C 300 AMG Line Ed Prem D A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
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