MOT comparison
BMW 3 Series E90/E91/E92/E93 vs Mercedes-Benz C-Class W204
How the BMW 3 Series E90/E91/E92/E93 (5th Gen) (2005–2012) and the Mercedes-Benz C-Class W204 (3rd Gen) (2007–2014) do at their MOTs, compared at the same mileage so a high-mileage car is never measured against a low-mileage one.
BMW 3 Series E90/E91/E92/E93 (5th Gen)
4,179,734
MOT tests compared · built 2005–2012
Passes more often in 5 of 16 mileage bands
Mercedes-Benz C-Class W204 (3rd Gen)
1,990,516
MOT tests compared · built 2007–2014
Passes more often in 4 of 16 mileage bands
MOT pass rate by mileage
Share of MOTs passed first time, at the mileage recorded at the test.
17,604 and 9,799 MOTs
100,806 and 60,061 MOTs
211,037 and 138,404 MOTs
278,175 and 179,846 MOTs
311,922 and 192,884 MOTs
331,306 and 193,948 MOTs
341,365 and 188,528 MOTs
346,784 and 178,366 MOTs
340,655 and 163,087 MOTs
324,860 and 144,984 MOTs
677,066 and 267,630 MOTs
456,225 and 152,716 MOTs
254,136 and 71,819 MOTs
116,721 and 29,549 MOTs
61,754 and 15,899 MOTs
9,318 and 2,996 MOTs
Parts that fail more often
Only differences that hold across at least half of the mileage bands we could compare, and that are far too large to be chance, are listed. How we decide
BMW 3 Series E90/E91/E92/E93 fails more often on
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Windscreen washer
Fails about 3 times as often as the Mercedes-Benz C-Class W204: 1.9% of MOTs against 0.84%.
In 14 of 16 mileage bands · Driver's View
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Exhaust emissions
Fails about 7 times as often as the Mercedes-Benz C-Class W204: 0.89% of MOTs against 0.18%.
In 11 of 16 mileage bands · Exhaust & Emissions
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Shock absorbers
Fails about 10 times as often as the Mercedes-Benz C-Class W204: 3.3% of MOTs against 0.39%.
In 10 of 16 mileage bands · Springs & Shocks
Mercedes-Benz C-Class W204 fails more often on
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Front lower suspension arm
Fails about 4 times as often as the BMW 3 Series E90/E91/E92/E93: 2.7% of MOTs against 0.68%.
In 11 of 16 mileage bands · Suspension & Joints
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Front ball joint
Fails about 3 times as often as the BMW 3 Series E90/E91/E92/E93: 2.8% of MOTs against 0.93%.
In 11 of 16 mileage bands · Suspension & Joints
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Enter your registration to see your own car's MOT history, its predicted pass chance and what usually fails next at its mileage.
These are differences in real MOT results, not engineering verdicts. Owner mix differs between models (some are more often taxis, first cars or rural cars), which is why every figure compares cars at the same mileage. How we compare cars.
MOT records: DVSA MOT history, which contains public sector information licensed under the Open Government Licence v3.0. See this the other way round.