Does the Mercedes-Benz GL fail the MOT on brakes more than it should?
The Mercedes-Benz GL records 8.71 brakes failure items per 100 initial MOT tests (2019–2024), against 11.72 expected for a car of the same age mix: less than expected for its class and age (−3.01, 95% interval −3.48 to −2.54). It ranks 498 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 GL by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Mercedes-Benz GL is “Brake pipe damaged or excessively corroded”, recorded 460 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Brake pipe damaged or excessively corroded | 460 | 2.24 |
| a brake lining or pad worn below 1.5mm | 193 | 0.94 |
| Parking brake efficiency below minimum requirement | 144 | 0.70 |
| A flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched | 105 | 0.51 |
| Brake lining or pad worn down to wear indicator | 102 | 0.50 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 20,497 (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 GL gets a brakes advisory, how often does it fail next time?
9.5% of Mercedes-Benz GL MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12 months and 5,559 miles later (2,888 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,888 (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 GL 2006 · Mercedes-Benz GL 2007 · Mercedes-Benz GL 2008 · Mercedes-Benz GL 2009 · Mercedes-Benz GL 2010 · Mercedes-Benz GL 2011 · Mercedes-Benz GL 2012 · Mercedes-Benz GL 2013 · Mercedes-Benz GL 2014 · Mercedes-Benz GL 2015 · Mercedes-Benz GL 2016 · Mercedes-Benz GL in Norway · Mercedes-Benz GL in Finland · Mercedes-Benz GL in the Netherlands · Mercedes-Benz GL by postcode area · Mercedes-Benz GL body, chassis and structure failures · Mercedes-Benz GL vehicle identification failures · Mercedes-Benz GL lamps, reflectors and electrics failures · Mercedes-Benz GL noise, emissions and leaks failures · Mercedes-Benz GL road wheels failures · Mercedes-Benz GL seat belts and airbags failures · Mercedes-Benz GL steering failures · Mercedes-Benz GL suspension failures · Mercedes-Benz GL tyres failures · Mercedes-Benz GL visibility failures