Mercedes C250
Reliability, running costs, and MOT data across 3 years from 130 real MOT tests.
Avg Pass Rate
77%
Total Tests
130
Best Year
2012 (84%)
Years Covered
3
How reliable is the Mercedes C250?
Mercedes C250 by Year
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About the Mercedes C250
The Mercedes C250 has been tested 130 times in 2024 MOT data across 3 model years (2009 to 2012), with an average pass rate of 77%. That's 5 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as diesel.
Best and Worst Years
The 2012 model is the most reliable with a 84% pass rate from 45 tests. The 2011 model has the lowest at 71%. The 13 point spread between years means reliability varies somewhat, but no year is dramatically different.
Mileage Across Years
The oldest model in our data (2009) averages 108,959 miles, while the newest (2012) averages 111,046 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Mercedes brand average of 87%, the C250 is 10 points lower, placing it among the less reliable Mercedes models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.