Mercedes-Benz Cl: MOT pass rate and reliability data

The Mercedes-Benz Cl passes its MOT first time more often than the average UK car, by 3.9 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,359 individual Mercedes-Benz Cl tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 80.6% first-time pass rate means roughly 19 in every 100 Mercedes-Benz Cls presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Mercedes-Benz Cl tested had covered 86,330 miles and was built around 2007.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Mercedes-Benz Cl bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Mercedes-Benz Cl rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Mercedes-Benz Cls actually sold for at UK salvage auction.

Most common MOT failures on a Mercedes-Benz Cl

1. Warning device shows system malfunction, 1% of tests (3.35x the national rate for this defect)
2. Brake pipe damaged or excessively corroded, 1.5% of tests (1.76x the national rate for this defect)
3. A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 0.7% of tests (1.45x the national rate for this defect)
4. A tyre seriously damaged, 2.8% of tests (1.38x the national rate for this defect)
5. A suspension pin, bush or joint excessively worn, 2% of tests
6. A tyre cords visible or damaged, 1.2% of tests
7. A suspension joint dust cover missing or no longer prevents the ingress of dirt etc, 1.1% of tests
8. Tyre tread depth not in accordance with the requirements, 1% of tests
9. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.8% of tests
10. Engine MIL illuminated indicating a malfunction, 0.8% of tests

From 2,815 DVSA-tracked Mercedes-Benz Cl tests, 2024. DVSA testers marked 5.2% of these flagged Mercedes-Benz Cl defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Other Mercedes-Benz models

• Mercedes-Benz C - 77.4%
• Mercedes-Benz A-Class - 78.7%
• Mercedes-Benz E - 79.2%
• Mercedes-Benz A - 89.5%
• Mercedes-Benz Vito - 72.7%
• Mercedes-Benz Gla - 85.2%
• Mercedes-Benz Glc - 87.8%
• Mercedes-Benz B-Class - 74.7%

Models with a similar pass rate

• Citroen Berlingo 650 En-Prise Pro Bhdi - 80.7%
• Ford Escort - 80.6%
• Ford Allied - 80.6%
• Maserati Quattroporte - 80.6%
• Toyota Auris - 80.5%
• Peugeot Traveller - 80.5%

If this car is a salvage or write-off

• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences

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All 2,005 models ranked by MOT pass rate