MOT Risk Index.co.uk

Does the Mercedes-Benz GL fail the MOT on visibility more than it should?

The Mercedes-Benz GL records 5.18 visibility failure items per 100 initial MOT tests (2019–2024), against 7.92 expected for a car of the same age mix: less than expected for its class and age (−2.74, 95% interval −3.13 to −2.36). It ranks 596 of 746 models on visibility (1 = most failures above expected).

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

What exactly fails on visibility?

The most frequent DVSA defect wording in this group on the Mercedes-Benz GL is “Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view”, recorded 566 times in 2019–2024.

Mercedes-Benz GL: most frequent visibility defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view5662.76
Wiper blade defective1430.70
Windscreen washers not working or not providing sufficient fluid to clear the windscreen1090.53
Wiper blade missing or obviously not clearing the windscreen980.48
Obligatory mirror or device slightly damaged or loose480.23

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 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