Does the Mercedes-Benz ML fail the MOT on lamps, reflectors and electrics more than it should?
The Mercedes-Benz ML records 16.26 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 22.02 expected for a car of the same age mix: less than expected for its class and age (−5.76, 95% interval −7.20 to −4.33). It ranks 542 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 ML by registration
What exactly fails on lamps, reflectors and electrics?
The most frequent DVSA defect wording in this group on the Mercedes-Benz ML is “A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning”, recorded 81 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 81 | 1.97 |
| A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 72 | 1.75 |
| Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 69 | 1.68 |
| A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources | 62 | 1.51 |
| A lamp with a multiple light source up to 1/2 not functioning | 62 | 1.51 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 4,115 (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
Other pages for this model
Mercedes-Benz ML by postcode area · Mercedes-Benz ML body, chassis and structure failures · Mercedes-Benz ML brakes failures · Mercedes-Benz ML noise, emissions and leaks failures · Mercedes-Benz ML road wheels failures · Mercedes-Benz ML seat belts and airbags failures · Mercedes-Benz ML steering failures · Mercedes-Benz ML suspension failures · Mercedes-Benz ML tyres failures · Mercedes-Benz ML visibility failures