MOT Risk Index.co.uk

Does the Mercedes-Benz E-Class fail the MOT on lamps, reflectors and electrics more than it should?

The Mercedes-Benz E-Class records 6.77 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 14.43 expected for a car of the same age mix: less than expected for its class and age (−7.66, 95% interval −7.73 to −7.60). It ranks 574 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 E-Class by registration

What exactly fails on lamps, reflectors and electrics?

The most frequent DVSA defect wording in this group on the Mercedes-Benz E-Class is “The aim of a headlamp is not within limits laid down in the requirements”, recorded 13,865 times in 2019–2024.

Mercedes-Benz E-Class: most frequent lamps, reflectors and electrics defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
The aim of a headlamp is not within limits laid down in the requirements13,8651.07
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources12,1110.93
A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning8,6690.67
Headlamp reflector or lens slightly defective7,5400.58
A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning6,0980.47

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,298,846 (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 E-Class gets a lamps, reflectors and electrics advisory, how often does it fail next time?

22.8% of Mercedes-Benz E-Class MOTs with a lamps, reflectors and electrics advisory were followed by a fail in the same group at the next MOT, typically 12 months and 4,418 miles later (6,645 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 6,645 (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 E-Class 1998 · Mercedes-Benz E-Class 1999 · Mercedes-Benz E-Class 2000 · Mercedes-Benz E-Class 2001 · Mercedes-Benz E-Class 2002 · Mercedes-Benz E-Class 2003 · Mercedes-Benz E-Class 2004 · Mercedes-Benz E-Class 2005 · Mercedes-Benz E-Class 2006 · Mercedes-Benz E-Class 2007 · Mercedes-Benz E-Class 2008 · Mercedes-Benz E-Class 2009 · Mercedes-Benz E-Class 2010 · Mercedes-Benz E-Class 2011 · Mercedes-Benz E-Class 2012 · Mercedes-Benz E-Class 2013 · Mercedes-Benz E-Class 2014 · Mercedes-Benz E-Class 2015 · Mercedes-Benz E-Class 2016 · Mercedes-Benz E-Class 2017 · Mercedes-Benz E-Class 2018 · Mercedes-Benz E-Class 2019 · Mercedes-Benz E-Class 2020 · Mercedes-Benz E-Class in Norway · Mercedes-Benz E-Class in Finland · Mercedes-Benz E-Class in the Netherlands · Mercedes-Benz E-Class by postcode area · Mercedes-Benz E-Class body, chassis and structure failures · Mercedes-Benz E-Class brakes failures · Mercedes-Benz E-Class vehicle identification failures · Mercedes-Benz E-Class noise, emissions and leaks failures · Mercedes-Benz E-Class road wheels failures · Mercedes-Benz E-Class seat belts and airbags failures · Mercedes-Benz E-Class steering failures · Mercedes-Benz E-Class suspension failures · Mercedes-Benz E-Class tyres failures · Mercedes-Benz E-Class visibility failures