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Mercedes C-Class vs Mercedes E-Class

Both are saloons & estates. First-time MOT failure at age 7, and what each one is known to fail on.

The Mercedes E-Class is the more reliable of the two. It fails its first MOT at age 7 16.5% of the time, against 17.5% for the Mercedes C-Class.

Mercedes C-Class

17.5%

fail at age 7

Rank 104 of 239 · 65k miles at 7 · 293,182 tests

Mercedes E-Class

16.5%

fail at age 7

Rank 86 of 239 · 87k miles at 7 · 199,865 tests

What each one fails on

Measured

The faults each records most at ages 6 to 9. Same figures as each full report.

A suspension pin, bush or joint excessively wornAdvisory8.1%

A suspension pin, bush or joint excessively wornFail3.0%

A spring or spring component fractured or seriously weakenedFail2.6%

Engine MIL illuminated indicating a malfunctionFail2.5%

A transmission shaft flexible coupling excessively deterioratedAdvisory1.2%

A shock absorber damaged to the extent that it does not function or showing signs of severe leakageAdvisory0.9%

A suspension pin, bush or joint excessively wornAdvisory7.3%

A suspension pin, bush or joint excessively wornFail2.5%

Engine MIL illuminated indicating a malfunctionFail2.3%

A wheel bearing with excessive playAdvisory1.9%

Any fracture or welding defect on a wheelFail1.3%

A wheel badly distorted or wear between wheel and hub at spigot mountingAdvisory1.1%