CarCostCheck

Mercedes C 300 AMG Line Edition E Auto

Reliability, estimated running costs, and MOT data across 2 model years from 345 MOT tests in 2024.

Avg Pass Rate

87%

Total Tests

345

Highest Pass Rate

2021 (89%)

Years Covered

2

About the Mercedes C 300 AMG Line Edition E Auto

The Mercedes C 300 AMG Line Edition E Auto was MOT tested 345 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 87%. That's slightly above the average of 82% across all models in our data. Our records list hybrid versions.

Best and Worst Years

Of the years with at least 100 tests, the 2021 model has the highest pass rate at 89% from 132 tests. The 2020 model has the lowest at 85%. With just a 4 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2020) averages 53,936 miles, while the newest (2021) averages 39,108 miles.

Estimated Running Costs

Fuel (Hybrid, 1991cc)
£1,631
Road Tax
£200
MOT Test
£55
Predicted Repairs
£350
Total per year£2,236
Per month£186/mo

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 details

How reliable is the Mercedes C 300 AMG Line Edition E Auto?

vs average of all models+5% (82% avg)
vs Mercedes brand average+0% (87% avg)
Best to worst year spread4 percentage points

Mercedes C 300 AMG Line Edition E Auto by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202189%13239,108 mi
202085%21353,936 mi

Questions about the Mercedes C 300 AMG Line Edition E Auto

Is the Mercedes C 300 AMG Line Edition E Auto reliable?

Across its 2 model years in our data (2020 to 2021), the Mercedes C 300 AMG Line Edition E Auto averages an 87% MOT pass rate, from 345 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 89%.

Which year Mercedes C 300 AMG Line Edition E Auto has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 Mercedes C 300 AMG Line Edition E Auto has the highest MOT pass rate at 89%, while the 2020 model has the lowest at 85%, a 4 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Mercedes C 300 AMG Line Edition E Auto Guides & Articles

Checking a specific Mercedes C 300 AMG Line Edition E Auto?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data