Know Your MOT
15.8%fail rate

Mercedes-Benz Cla common MOT failures and failure rate

What a Mercedes-Benz Cla fails its MOT on most often, from real DVSA test data, and the part that resolves each item.

Based on 6,240 MOT tests in a recent DVSA sample.

What it fails on, and the fix

Tyres43.6% of failures
Suspension16.4% of failures
Brakes14.6% of failures
Other14.0% of failures
Usually bodywork or inspection, not a single bolt-on part.
Lamps & electrical12.3% of failures
Visibility/wipers9.3% of failures

About 15.8% of MOT tests recorded on the Mercedes-Benz Cla in this DVSA sample end in a failure. The pattern is consistent: the same handful of items account for most of them.

Its most common failure is tyres, which makes up 43.6% of the Mercedes-Benz Cla's failures, followed by tyres, suspension, brakes, other. Each item below links to the part that resolves it. Confirm the exact fitment against your registration or VIN before buying, and have safety-critical work done by a competent mechanic.

Other models

Mercedes-Benz C MOT failures18.9% failure rateMercedes-Benz A-Class MOT failures18.5% failure rateMercedes-Benz E MOT failures17.7% failure rateFord Fiesta MOT failures22.8% failure rate

Sources: DVSA MOT History API: MOT test results and defect data ยท DVSA MOT testing data for Great Britain