CarCostCheck

Mercedes C 300 amg line edition prem a

Reliability, running costs, and MOT data across 2 years from 190 real MOT tests.

Avg Pass Rate

84%

Total Tests

190

Best Year

2020 (91%)

Years Covered

2

How reliable is the Mercedes C 300 amg line edition prem a?

vs national average+2% (82% avg)
vs Mercedes brand average-3% (87% avg)
Best to worst year spread14 percentage points

Mercedes C 300 amg line edition prem a by Year

YearPass RateTestsAvg Mileage
202177%4424,333 mi
202091%14629,188 mi

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About the Mercedes C 300 amg line edition prem a

The Mercedes C 300 amg line edition prem a has been tested 190 times in 2024 MOT data across 2 model years (2020 to 2021), with an average pass rate of 84%. That's slightly above the national average of 82%. Available as petrol and hybrid.

Best and Worst Years

The 2020 model is the most reliable with a 91% pass rate from 146 tests. The 2021 model has the lowest at 77%. The 14 point spread between years means reliability varies somewhat, but no year is dramatically different.

Mileage Across Years

The oldest model in our data (2020) averages 29,188 miles, while the newest (2021) averages 24,333 miles.

Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.