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Mercedes A-Class vs SEAT Leon

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

The Mercedes A-Class is the more reliable of the two. It fails its first MOT at age 7 20.1% of the time, against 21.8% for the SEAT Leon.

Mercedes A-Class

20.1%

fail at age 7

Rank 149 of 239 · 61k miles at 7 · 326,126 tests

SEAT Leon

21.8%

fail at age 7

Rank 169 of 239 · 67k miles at 7 · 166,423 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 joint dust cover severely deterioratedMinor3.1%

A spring or spring component fractured or seriously weakenedFail3.0%

A suspension pin, bush or joint excessively wornAdvisory1.9%

A suspension joint dust cover missing or no longer prevents the ingress of dirt etcFail1.7%

Brake pipe damaged or excessively corrodedAdvisory1.4%

An SRS malfunction indicator lamp (MIL) indicates a system malfunctionFail1.4%

A shock absorber damaged to the extent that it does not function or showing signs of severe leakageAdvisory31.5%

A spring or spring component fractured or seriously weakenedFail4.9%

A shock absorber damaged to the extent that it does not function or showing signs of severe leakageFail3.4%

A suspension pin, bush or joint excessively wornAdvisory2.7%

A spring or spring component fractured or seriously weakenedAdvisory2.5%

Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road usersAdvisory1.6%