Does the Mercedes-Benz B-Class fail the MOT on tyres more than it should?
The Mercedes-Benz B-Class records 8.55 tyres failure items per 100 initial MOT tests (2019–2024), against 8.96 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) (−0.41, 95% interval −0.50 to −0.31). It ranks 338 of 751 models on tyres (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on tyres · check a Mercedes-Benz B-Class by registration
What exactly fails on tyres?
The most frequent DVSA defect wording in this group on the Mercedes-Benz B-Class is “A tyre seriously damaged”, recorded 14,615 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A tyre seriously damaged | 14,615 | 3.74 |
| Tyre tread depth not in accordance with the requirements | 7,703 | 1.97 |
| A tyre cords visible or damaged | 7,321 | 1.87 |
| 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 | 1,361 | 0.35 |
| Tyre obviously under inflated | 734 | 0.19 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 391,293 (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 B-Class gets a tyres advisory, how often does it fail next time?
8.8% of Mercedes-Benz B-Class MOTs with a tyres advisory were followed by a fail in the same group at the next MOT, typically 12 months and 5,837 miles later (72,210 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 72,210 (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 B-Class 2005 · Mercedes-Benz B-Class 2006 · Mercedes-Benz B-Class 2007 · Mercedes-Benz B-Class 2008 · Mercedes-Benz B-Class 2009 · Mercedes-Benz B-Class 2010 · Mercedes-Benz B-Class 2011 · Mercedes-Benz B-Class 2012 · Mercedes-Benz B-Class 2013 · Mercedes-Benz B-Class 2014 · Mercedes-Benz B-Class 2015 · Mercedes-Benz B-Class 2016 · Mercedes-Benz B-Class 2017 · Mercedes-Benz B-Class 2018 · Mercedes-Benz B-Class 2019 · Mercedes-Benz B-Class 2020 · Mercedes-Benz B-Class in Norway · Mercedes-Benz B-Class in Finland · Mercedes-Benz B-Class in the Netherlands · Mercedes-Benz B-Class by postcode area · Mercedes-Benz B-Class body, chassis and structure failures · Mercedes-Benz B-Class brakes failures · Mercedes-Benz B-Class vehicle identification failures · Mercedes-Benz B-Class lamps, reflectors and electrics failures · Mercedes-Benz B-Class noise, emissions and leaks failures · Mercedes-Benz B-Class road wheels failures · Mercedes-Benz B-Class seat belts and airbags failures · Mercedes-Benz B-Class steering failures · Mercedes-Benz B-Class suspension failures · Mercedes-Benz B-Class visibility failures