CarCostCheck

Mercedes C 300 amg line edition d auto

Reliability, running costs, and MOT data across 3 years from 170 real MOT tests.

Avg Pass Rate

91%

Total Tests

170

Best Year

2020 (93%)

Years Covered

3

How reliable is the Mercedes C 300 amg line edition d auto?

vs national average+9% (82% avg)
vs Mercedes brand average+4% (87% avg)
Best to worst year spread3 percentage points

Mercedes C 300 amg line edition d auto by Year

YearPass RateTestsAvg Mileage
202191%3526,300 mi
202093%10543,141 mi
201990%3037,805 mi

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About the Mercedes C 300 amg line edition d auto

The Mercedes C 300 amg line edition d auto has been tested 170 times in 2024 MOT data across 3 model years (2019 to 2021), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.

Best and Worst Years

The 2020 model is the most reliable with a 93% pass rate from 105 tests. The 2019 model has the lowest at 90%. With just a 3 point spread, the C 300 amg line edition d auto is consistently reliable regardless of year.

Mileage Across Years

The oldest model in our data (2019) averages 37,805 miles, while the newest (2021) averages 26,300 miles.

Compared to the Mercedes brand average of 87%, the C 300 amg line edition d auto performs 4 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.