Does the Mercedes-Benz CL fail the MOT on tyres more than it should?

The Mercedes-Benz CL records 7.62 tyres failure items per 100 initial MOT tests (2019–2024), against 9.65 expected for a car of the same age mix: less than expected for its class and age (−2.03, 95% interval −2.52 to −1.54). It ranks 512 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 CL by registration

What exactly fails on tyres?

The most frequent DVSA defect wording in this group on the Mercedes-Benz CL is “Tyre tread depth not in accordance with the requirements”, recorded 400 times in 2019–2024.

Mercedes-Benz CL: most frequent tyres defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Tyre tread depth not in accordance with the requirements	400	2.60
A tyre seriously damaged	376	2.44
A tyre cords visible or damaged	292	1.90
Tyre obviously under inflated	34	0.22

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 15,400 (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 CL gets a tyres advisory, how often does it fail next time?

8.5% of Mercedes-Benz CL MOTs with a tyres advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 2,589 miles later (2,222 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,222 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the Mercedes-Benz CL fail the MOT on tyres more than it should?

What exactly fails on tyres?

If a Mercedes-Benz CL gets a tyres advisory, how often does it fail next time?

Related pages

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