Does the Mercedes-Benz GLC fail the MOT on brakes more than it should?
The Mercedes-Benz GLC records 1.96 brakes failure items per 100 initial MOT tests (2019–2024), against 3.78 expected for a car of the same age mix: less than expected for its class and age (−1.82, 95% interval −1.89 to −1.75). It ranks 446 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 GLC by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Mercedes-Benz GLC is “a brake lining or pad worn below 1.5mm”, recorded 2,336 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| a brake lining or pad worn below 1.5mm | 2,336 | 0.78 |
| Brake lining or pad worn down to wear indicator | 2,151 | 0.72 |
| Brake disc or drum significantly and obviously worn | 433 | 0.14 |
| Brake performance unable to be tested | 157 | 0.05 |
| Brake disc or drum excessively weakened, insecure or fractured | 153 | 0.05 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 299,023 (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 GLC gets a brakes advisory, how often does it fail next time?
3.1% of Mercedes-Benz GLC MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12 months and 9,150 miles later (19,573 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 19,573 (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 GLC 2015 · Mercedes-Benz GLC 2016 · Mercedes-Benz GLC 2017 · Mercedes-Benz GLC 2018 · Mercedes-Benz GLC 2019 · Mercedes-Benz GLC 2020 · Mercedes-Benz GLC in Norway · Mercedes-Benz GLC in Finland · Mercedes-Benz GLC in the Netherlands · Mercedes-Benz GLC by postcode area · Mercedes-Benz GLC body, chassis and structure failures · Mercedes-Benz GLC vehicle identification failures · Mercedes-Benz GLC lamps, reflectors and electrics failures · Mercedes-Benz GLC noise, emissions and leaks failures · Mercedes-Benz GLC road wheels failures · Mercedes-Benz GLC seat belts and airbags failures · Mercedes-Benz GLC steering failures · Mercedes-Benz GLC suspension failures · Mercedes-Benz GLC tyres failures · Mercedes-Benz GLC visibility failures