Does the Mercedes-Benz CLK fail the MOT on lamps, reflectors and electrics more than it should?
The Mercedes-Benz CLK records 30.13 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 37.88 expected for a car of the same age mix: less than expected for its class and age (−7.75, 95% interval −8.04 to −7.46). It ranks 576 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 CLK by registration
What exactly fails on lamps, reflectors and electrics?
The most frequent DVSA defect wording in this group on the Mercedes-Benz CLK is “The aim of a headlamp is not within limits laid down in the requirements”, recorded 11,130 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| The aim of a headlamp is not within limits laid down in the requirements | 11,130 | 6.35 |
| Headlamp reflector or lens slightly defective | 10,113 | 5.77 |
| A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources | 5,097 | 2.91 |
| A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 3,112 | 1.78 |
| Lamp emitted colour, position or intensity not in accordance with the requirements | 2,508 | 1.43 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 175,310 (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 CLK gets a lamps, reflectors and electrics advisory, how often does it fail next time?
27.8% of Mercedes-Benz CLK 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 3,445 miles later (7,334 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 7,334 (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 CLK 1998 · Mercedes-Benz CLK 1999 · Mercedes-Benz CLK 2000 · Mercedes-Benz CLK 2001 · Mercedes-Benz CLK 2002 · Mercedes-Benz CLK 2003 · Mercedes-Benz CLK 2004 · Mercedes-Benz CLK 2005 · Mercedes-Benz CLK 2006 · Mercedes-Benz CLK 2007 · Mercedes-Benz CLK 2008 · Mercedes-Benz CLK 2009 · Mercedes-Benz CLK 2010 · Mercedes-Benz CLK in Norway · Mercedes-Benz CLK in Finland · Mercedes-Benz CLK in the Netherlands · Mercedes-Benz CLK by postcode area · Mercedes-Benz CLK body, chassis and structure failures · Mercedes-Benz CLK brakes failures · Mercedes-Benz CLK vehicle identification failures · Mercedes-Benz CLK noise, emissions and leaks failures · Mercedes-Benz CLK road wheels failures · Mercedes-Benz CLK seat belts and airbags failures · Mercedes-Benz CLK steering failures · Mercedes-Benz CLK suspension failures · Mercedes-Benz CLK tyres failures · Mercedes-Benz CLK visibility failures