Know Your MOT
19.7%fail rate

Mercedes-Benz Cl 500 common MOT failures and failure rate

What a Mercedes-Benz Cl 500 fails its MOT on most often, from real DVSA test data, and the part that resolves each item.

Based on 396 MOT tests in a recent DVSA sample.

What it fails on, and the fix

Suspension37.2% of failures
Tyres34.6% of failures
Lamps & electrical24.4% of failures
Brakes23.1% of failures
Visibility/wipers10.3% of failures
Other9.0% of failures
Usually bodywork or inspection, not a single bolt-on part.

About 19.7% of MOT tests recorded on the Mercedes-Benz Cl 500 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 suspension, which makes up 37.2% of the Mercedes-Benz Cl 500's failures, followed by suspension, tyres, lamps & electrical, brakes. 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