The picture
E 300 Amg Ln Night Ed Prem+D A: a strong MOT record by UK norms
Across 742 MOT tests, the E 300 Amg Ln Night Ed Prem+D A returns 85.6% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a tyre with the cords showing. A seriously damaged tyre and any fracture or welding defect on a wheel round out the top three. Average tested mileage sits at 30,300, 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 cords visible or damaged
31 occurrences · 4.2% of tests
- 02
A tyre seriously damaged
27 occurrences · 3.6% of tests
- 03
Any fracture or welding defect on a wheel
26 occurrences · 3.5% of tests
- 04
A tyre seriously damaged
26 occurrences · 3.5% of tests
- 05
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
14 occurrences · 1.9% of tests
- 06
Wiper blade defective
9 occurrences · 1.2% of tests
- 07
Tyre tread depth not in accordance with the requirements
4 occurrences · 0.5% of tests
- 08
A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber
4 occurrences · 0.5% of tests
- 09
A tyre seriously damaged
4 occurrences · 0.5% of tests
- 10
Wiper blade missing or obviously not clearing the windscreen
3 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.
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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 E 300 Amg LN Night ED Prem+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 E 300 Amg LN Night ED Prem+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.