CarCostCheck

Mercedes C 300 sport edition de auto

Reliability, running costs, and MOT data across 2 years from 416 real MOT tests.

Avg Pass Rate

90%

Total Tests

416

Best Year

2020 (93%)

Years Covered

2

About the Mercedes C 300 sport edition de auto

The Mercedes C 300 sport edition de auto has been tested 416 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 90%. That's comfortably above the national average of 82%, making it a reliable choice. Available as ED.

Best and Worst Years

The 2020 model is the most reliable with a 93% pass rate from 227 tests. The 2021 model has the lowest at 87%. The 6 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 58,078 miles, while the newest (2021) averages 51,193 miles.

Estimated Running Costs

Fuel (Petrol, 1950cc)
£1,327
Road Tax
£195
MOT Test
£55
Predicted Repairs
£350
Total per year£1,927
Per month£161/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Mercedes C 300 sport edition de auto?

vs national average+8% (82% avg)
vs Mercedes brand average+3% (87% avg)
Best to worst year spread6 percentage points

Mercedes C 300 sport edition de auto by Year

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

YearPass RateTestsAvg Mileage
202187%18951,193 mi
202093%22758,078 mi

Mercedes C 300 sport edition de auto Guides & Articles

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