MOT Risk Index.co.uk

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

The Mercedes-Benz SLK records 0.51 vehicle identification failure items per 100 initial MOT tests (2019–2024), against 0.53 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) (−0.02, 95% interval −0.04 to +0.01). It ranks 346 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 SLK by registration

What exactly fails on vehicle identification?

The most frequent DVSA defect wording in this group on the Mercedes-Benz SLK is “Number plate does not conform to the specified requirements”, recorded 1,082 times in 2019–2024.

Mercedes-Benz SLK: most frequent vehicle identification defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Number plate does not conform to the specified requirements1,0820.36
Number plate inscription missing or illegible1950.07
Number plate missing or so insecure that it is likely to fall off1620.05
Number plate showing an incorrect registration 970.03

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 299,040 (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 SLK gets a vehicle identification advisory, how often does it fail next time?

2.3% of Mercedes-Benz SLK MOTs with a vehicle identification advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 3,375 miles later (3,012 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,012 (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 SLK 1999 · Mercedes-Benz SLK 2000 · Mercedes-Benz SLK 2001 · Mercedes-Benz SLK 2002 · Mercedes-Benz SLK 2003 · Mercedes-Benz SLK 2004 · Mercedes-Benz SLK 2005 · Mercedes-Benz SLK 2006 · Mercedes-Benz SLK 2007 · Mercedes-Benz SLK 2008 · Mercedes-Benz SLK 2009 · Mercedes-Benz SLK 2010 · Mercedes-Benz SLK 2011 · Mercedes-Benz SLK 2012 · Mercedes-Benz SLK 2013 · Mercedes-Benz SLK 2014 · Mercedes-Benz SLK 2015 · Mercedes-Benz SLK 2016 · Mercedes-Benz SLK in Norway · Mercedes-Benz SLK in Finland · Mercedes-Benz SLK in the Netherlands · Mercedes-Benz SLK by postcode area · Mercedes-Benz SLK body, chassis and structure failures · Mercedes-Benz SLK brakes failures · Mercedes-Benz SLK lamps, reflectors and electrics failures · Mercedes-Benz SLK noise, emissions and leaks failures · Mercedes-Benz SLK road wheels failures · Mercedes-Benz SLK seat belts and airbags failures · Mercedes-Benz SLK steering failures · Mercedes-Benz SLK suspension failures · Mercedes-Benz SLK tyres failures · Mercedes-Benz SLK visibility failures