Does the Mercedes-Benz GLB fail the MOT on visibility more than it should?
The Mercedes-Benz GLB records 4.09 visibility failure items per 100 initial MOT tests (2019–2024), against 4.36 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) (−0.27, 95% interval −0.68 to +0.15). It ranks 336 of 746 models on visibility (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on visibility · check a Mercedes-Benz GLB by registration
What exactly fails on visibility?
The most frequent DVSA defect wording in this group on the Mercedes-Benz GLB is “Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view”, recorded 178 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view | 178 | 1.83 |
| Wiper blade defective | 126 | 1.30 |
| Wiper blade missing or obviously not clearing the windscreen | 45 | 0.46 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 9,723 (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 GLB in the Netherlands · Mercedes-Benz GLB by postcode area · Mercedes-Benz GLB body, chassis and structure failures · Mercedes-Benz GLB brakes failures · Mercedes-Benz GLB vehicle identification failures · Mercedes-Benz GLB lamps, reflectors and electrics failures · Mercedes-Benz GLB seat belts and airbags failures · Mercedes-Benz GLB suspension failures · Mercedes-Benz GLB tyres failures