Does the Mercedes-Benz 190 fail the MOT on noise, emissions and leaks more than it should?
The Mercedes-Benz 190 records 5.90 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 7.27 expected for a car of the same age mix: less than expected for its class and age (−1.37, 95% interval −1.83 to −0.92). It ranks 480 of 678 models on noise, emissions and leaks (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Mercedes-Benz 190 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Mercedes-Benz 190 is “Emissions levels exceed default limits”, recorded 398 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Emissions levels exceed default limits | 398 | 2.96 |
| Emissions test unable to be completed | 127 | 0.94 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 67 | 0.50 |
| Emissions levels exceed the manufacturer's specified limits | 48 | 0.36 |
| An induction or exhaust leak that could affect emissions levels | 40 | 0.30 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 13,451 (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 190 gets a noise, emissions and leaks advisory, how often does it fail next time?
7.0% of Mercedes-Benz 190 MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 1,022 miles later (1,123 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,123 (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 190 in the Netherlands · Mercedes-Benz 190 by postcode area · Mercedes-Benz 190 body, chassis and structure failures · Mercedes-Benz 190 brakes failures · Mercedes-Benz 190 vehicle identification failures · Mercedes-Benz 190 lamps, reflectors and electrics failures · Mercedes-Benz 190 road wheels failures · Mercedes-Benz 190 seat belts and airbags failures · Mercedes-Benz 190 steering failures · Mercedes-Benz 190 suspension failures · Mercedes-Benz 190 tyres failures · Mercedes-Benz 190 visibility failures