MOT Risk Index.co.uk

Does the Mercedes-Benz CLS fail the MOT on vehicle identification more than it should?

The Mercedes-Benz CLS records 0.73 vehicle identification failure items per 100 initial MOT tests (2019–2024), against 0.39 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (+0.34, 95% interval +0.29 to +0.38). It ranks 88 of 636 models on vehicle identification (1 = most failures above expected).

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

What exactly fails on vehicle identification?

The most frequent DVSA defect wording in this group on the Mercedes-Benz CLS is “Number plate does not conform to the specified requirements”, recorded 808 times in 2019–2024.

Mercedes-Benz CLS: most frequent vehicle identification defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Number plate does not conform to the specified requirements8080.58
Number plate missing or so insecure that it is likely to fall off730.05
Number plate inscription missing or illegible700.05
Number plate showing an incorrect registration 680.05

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 139,937 (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 CLS gets a vehicle identification advisory, how often does it fail next time?

1.9% of Mercedes-Benz CLS MOTs with a vehicle identification advisory were followed by a fail in the same group at the next MOT, typically 12 months and 6,653 miles later (1,115 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,115 (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 CLS 2005 · Mercedes-Benz CLS 2006 · Mercedes-Benz CLS 2007 · Mercedes-Benz CLS 2008 · Mercedes-Benz CLS 2009 · Mercedes-Benz CLS 2010 · Mercedes-Benz CLS 2011 · Mercedes-Benz CLS 2012 · Mercedes-Benz CLS 2013 · Mercedes-Benz CLS 2014 · Mercedes-Benz CLS 2015 · Mercedes-Benz CLS 2016 · Mercedes-Benz CLS 2017 · Mercedes-Benz CLS 2018 · Mercedes-Benz CLS 2019 · Mercedes-Benz CLS 2020 · Mercedes-Benz CLS in Finland · Mercedes-Benz CLS in the Netherlands · Mercedes-Benz CLS by postcode area · Mercedes-Benz CLS body, chassis and structure failures · Mercedes-Benz CLS brakes failures · Mercedes-Benz CLS lamps, reflectors and electrics failures · Mercedes-Benz CLS noise, emissions and leaks failures · Mercedes-Benz CLS road wheels failures · Mercedes-Benz CLS seat belts and airbags failures · Mercedes-Benz CLS steering failures · Mercedes-Benz CLS suspension failures · Mercedes-Benz CLS tyres failures · Mercedes-Benz CLS visibility failures