MOT Risk Index.co.uk

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

The Mercedes-Benz A-Class records 0.54 road wheels failure items per 100 initial MOT tests (2019–2024), against 0.33 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) (+0.21, 95% interval +0.20 to +0.22). It ranks 87 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 A-Class by registration

What exactly fails on road wheels?

The most frequent DVSA defect wording in this group on the Mercedes-Benz A-Class is “A wheel with a loose or missing wheel nut, bolt or stud”, recorded 4,383 times in 2019–2024.

Mercedes-Benz A-Class: most frequent road wheels defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
A wheel with a loose or missing wheel nut, bolt or stud4,3830.28
Any fracture or welding defect on a wheel2,9710.19
A wheel badly distorted or wear between wheel and hub at spigot mounting7670.05
A wheel with more than one loose or missing wheel nut, bolt or stud2870.02
A wheel distorted or worn to the extent the wheel or tyre is likely to become detached410.00

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,569,549 (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 A-Class gets a road wheels advisory, how often does it fail next time?

1.5% of Mercedes-Benz A-Class MOTs with a road wheels advisory were followed by a fail in the same group at the next MOT, typically 12 months and 8,394 miles later (12,273 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 12,273 (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

Mercedes-Benz A-Class 1998 · Mercedes-Benz A-Class 1999 · Mercedes-Benz A-Class 2000 · Mercedes-Benz A-Class 2001 · Mercedes-Benz A-Class 2002 · Mercedes-Benz A-Class 2003 · Mercedes-Benz A-Class 2004 · Mercedes-Benz A-Class 2005 · Mercedes-Benz A-Class 2006 · Mercedes-Benz A-Class 2007 · Mercedes-Benz A-Class 2008 · Mercedes-Benz A-Class 2009 · Mercedes-Benz A-Class 2010 · Mercedes-Benz A-Class 2011 · Mercedes-Benz A-Class 2012 · Mercedes-Benz A-Class 2013 · Mercedes-Benz A-Class 2014 · Mercedes-Benz A-Class 2015 · Mercedes-Benz A-Class 2016 · Mercedes-Benz A-Class 2017 · Mercedes-Benz A-Class 2018 · Mercedes-Benz A-Class 2019 · Mercedes-Benz A-Class 2020 · Mercedes-Benz A-Class in Finland · Mercedes-Benz A-Class in the Netherlands · Mercedes-Benz A-Class in Norway · Mercedes-Benz A-Class by postcode area · Mercedes-Benz A-Class body, chassis and structure failures · Mercedes-Benz A-Class brakes failures · Mercedes-Benz A-Class vehicle identification failures · Mercedes-Benz A-Class lamps, reflectors and electrics failures · Mercedes-Benz A-Class noise, emissions and leaks failures · Mercedes-Benz A-Class seat belts and airbags failures · Mercedes-Benz A-Class steering failures · Mercedes-Benz A-Class suspension failures · Mercedes-Benz A-Class tyres failures · Mercedes-Benz A-Class visibility failures