Does the Mercedes-Benz SL fail the MOT on road wheels more than it should?

The Mercedes-Benz SL records 0.54 road wheels failure items per 100 initial MOT tests (2019–2024), against 0.45 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (+0.09, 95% interval +0.05 to +0.13). It ranks 144 of 516 models on road wheels (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on road wheels · check a Mercedes-Benz SL by registration

What exactly fails on road wheels?

The most frequent DVSA defect wording in this group on the Mercedes-Benz SL is “Any fracture or welding defect on a wheel”, recorded 284 times in 2019–2024.

Mercedes-Benz SL: most frequent road wheels defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Any fracture or welding defect on a wheel	284	0.26
A wheel with a loose or missing wheel nut, bolt or stud	269	0.24

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 110,850 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

If a Mercedes-Benz SL gets a road wheels advisory, how often does it fail next time?

1.7% of Mercedes-Benz SL MOTs with a road wheels advisory were followed by a fail in the same group at the next MOT, typically 12.3 months and 4,314 miles later (767 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 767 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Other pages for this model

Does the Mercedes-Benz SL fail the MOT on road wheels more than it should?

What exactly fails on road wheels?

If a Mercedes-Benz SL gets a road wheels advisory, how often does it fail next time?

Related pages

Other pages for this model