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Mercedes B-Class vs Vauxhall Zafira

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

The Mercedes B-Class is the more reliable of the two. It fails its first MOT at age 7 18.7% of the time, against 25.3% for the Vauxhall Zafira.

Mercedes B-Class

18.7%

fail at age 7

Rank 128 of 239 · 50k miles at 7 · 60,899 tests

Vauxhall Zafira

25.3%

fail at age 7

Rank 195 of 239 · 61k miles at 7 · 136,584 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 deterioratedMinor3.4%

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

A suspension joint dust cover missing or no longer prevents the ingress of dirt etcFail1.9%

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

Brake pipe damaged or excessively corrodedAdvisory1.7%

A wheel badly distorted or wear between wheel and hub at spigot mountingAdvisory1.3%

Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road usersAdvisory10.9%

A suspension pin, bush or joint excessively wornAdvisory9.9%

Exhaust system leaking or insecureAdvisory5.9%

A spring or spring component fractured or seriously weakenedFail3.4%

Engine MIL illuminated indicating a malfunctionFail3.3%

A spring or spring component fractured or seriously weakenedAdvisory2.6%