MOT Risk Index.co.uk

Does the Mercedes-Benz C-Class fail the MOT on body, chassis and structure more than it should?

The Mercedes-Benz C-Class records 1.15 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 5.00 expected for a car of the same age mix: less than expected for its class and age (−3.85, 95% interval −3.88 to −3.81). It ranks 509 of 663 models on body, chassis and structure (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Mercedes-Benz C-Class by registration

What exactly fails on body, chassis and structure?

The most frequent DVSA defect wording in this group on the Mercedes-Benz C-Class is “Exhaust system leaking or insecure”, recorded 8,825 times in 2019–2024.

Mercedes-Benz C-Class: most frequent body, chassis and structure defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Exhaust system leaking or insecure8,8250.43
A door will not open using the relevant control or close properly3,4610.17
Fuel system leaking, or missing or ineffective filler cap1,6440.08
A transmission shaft constant velocity joint boot severely deteriorated1,3850.07
Bumper insecure or with damage likely to cause injury when grazed or contacted1,0550.05

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,072,470 (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 C-Class gets a body, chassis and structure advisory, how often does it fail next time?

6.2% of Mercedes-Benz C-Class MOTs with a body, chassis and structure advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 4,815 miles later (26,579 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 26,579 (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 C-Class 1998 · Mercedes-Benz C-Class 1999 · Mercedes-Benz C-Class 2000 · Mercedes-Benz C-Class 2001 · Mercedes-Benz C-Class 2002 · Mercedes-Benz C-Class 2003 · Mercedes-Benz C-Class 2004 · Mercedes-Benz C-Class 2005 · Mercedes-Benz C-Class 2006 · Mercedes-Benz C-Class 2007 · Mercedes-Benz C-Class 2008 · Mercedes-Benz C-Class 2009 · Mercedes-Benz C-Class 2010 · Mercedes-Benz C-Class 2011 · Mercedes-Benz C-Class 2012 · Mercedes-Benz C-Class 2013 · Mercedes-Benz C-Class 2014 · Mercedes-Benz C-Class 2015 · Mercedes-Benz C-Class 2016 · Mercedes-Benz C-Class 2017 · Mercedes-Benz C-Class 2018 · Mercedes-Benz C-Class 2019 · Mercedes-Benz C-Class 2020 · Mercedes-Benz C-Class in Finland · Mercedes-Benz C-Class in the Netherlands · Mercedes-Benz C-Class in Norway · Mercedes-Benz C-Class by postcode area · Mercedes-Benz C-Class brakes failures · Mercedes-Benz C-Class vehicle identification failures · Mercedes-Benz C-Class lamps, reflectors and electrics failures · Mercedes-Benz C-Class noise, emissions and leaks failures · Mercedes-Benz C-Class road wheels failures · Mercedes-Benz C-Class seat belts and airbags failures · Mercedes-Benz C-Class steering failures · Mercedes-Benz C-Class suspension failures · Mercedes-Benz C-Class tyres failures · Mercedes-Benz C-Class visibility failures