Mercedes C 320
Reliability, running costs, and MOT data across 11 years from 2,602 real MOT tests.
Avg Pass Rate
78%
Total Tests
2,602
Best Year
2000 (89%)
Years Covered
11
About the Mercedes C 320
The Mercedes C 320 has been tested 2,602 times in 2026 MOT data across 11 model years (2000 to 2010), with an average pass rate of 78%. That's close to the national average of 82%. Available as diesel and petrol.
Best and Worst Years
The 2000 model is the most reliable with a 89% pass rate from 38 tests. The 2004 model has the lowest at 72%. With a 17 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
The MERCEDES C 320 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (2000) averages 103,507 miles, while the newest (2010) averages 137,998 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Mercedes brand average of 87%, the C 320 is 9 points lower, placing it among the less reliable Mercedes models.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2010 detailsHow reliable is the Mercedes C 320?
Mercedes C 320 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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