Does the Mercedes-Benz GLS fail the MOT on brakes more than it should?

The Mercedes-Benz GLS records 2.53 brakes failure items per 100 initial MOT tests (2019–2024), against 3.82 expected for a car of the same age mix: less than expected for its class and age (−1.29, 95% interval −1.65 to −0.93). It ranks 415 of 712 models on brakes (1 = most failures above expected).

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

What exactly fails on brakes?

The most frequent DVSA defect wording in this group on the Mercedes-Benz GLS is “Brake lining or pad worn down to wear indicator”, recorded 102 times in 2019–2024.

Mercedes-Benz GLS: most frequent brakes defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Brake lining or pad worn down to wear indicator	102	0.91
a brake lining or pad worn below 1.5mm	90	0.81

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 11,153 (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 GLS gets a brakes advisory, how often does it fail next time?

3.0% of Mercedes-Benz GLS MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 11.9 months and 10,310 miles later (674 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 674 (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 GLS fail the MOT on brakes more than it should?

What exactly fails on brakes?

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

Related pages

Other pages for this model