Does the Mercedes-Benz GL fail the MOT on lamps, reflectors and electrics more than it should?
The Mercedes-Benz GL records 11.00 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 17.80 expected for a car of the same age mix: less than expected for its class and age (−6.80, 95% interval −7.38 to −6.23). It ranks 560 of 729 models on lamps, reflectors and electrics (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on lamps, reflectors and electrics · check a Mercedes-Benz GL by registration
What exactly fails on lamps, reflectors and electrics?
The most frequent DVSA defect wording in this group on the Mercedes-Benz GL is “A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources”, recorded 326 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources | 326 | 1.59 |
| Reflector defective or damaged by up to 50% of the reflecting surface | 218 | 1.06 |
| A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 210 | 1.02 |
| A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 190 | 0.93 |
| The aim of a headlamp is not within limits laid down in the requirements | 185 | 0.90 |
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
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 brakes failures · Mercedes-Benz GL vehicle identification 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