The picture
Cla 220 Amg Line Premium D A: a strong MOT record by UK norms
Across 498 MOT tests, the Cla 220 Amg Line Premium D A returns 85.9% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a seriously damaged tyre. Tyre tread under the limit and a tyre with the cords showing round out the top three. Average tested mileage sits at 34,613, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
Top ten reasons for rejection.
- 01
A tyre seriously damaged
19 occurrences · 3.8% of tests
- 02
Tyre tread depth not in accordance with the requirements
18 occurrences · 3.6% of tests
- 03
A tyre cords visible or damaged
15 occurrences · 3.0% of tests
- 04
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
7 occurrences · 1.4% of tests
- 05
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
5 occurrences · 1.0% of tests
- 06
The aim of a headlamp is not within limits laid down in the requirements
5 occurrences · 1.0% of tests
- 07
Wiper blade defective
4 occurrences · 0.8% of tests
- 08
Wiper blade missing or obviously not clearing the windscreen
3 occurrences · 0.6% of tests
- 09
A tyre pressure monitoring system malfunctioning or obviously inoperative
3 occurrences · 0.6% of tests
- 10
Number plate does not conform to the specified requirements
2 occurrences · 0.4% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 2 failures
£120–£190
If every one of this Cla 220 Amg Line Premium D A's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
Buying or keeping a Cla 220 Amg Line Premium D A?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a Cla 220 Amg Line Premium D A and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.