Does the MG ZS fail the MOT on noise, emissions and leaks more than it should?
The MG ZS records 1.36 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 0.59 expected for a car of the same age mix: more than expected for its class and age (+0.77, 95% interval +0.70 to +0.85). It ranks 159 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 MG ZS by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the MG ZS is “Engine MIL illuminated indicating a malfunction”, recorded 470 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 470 | 0.51 |
| Emissions levels exceed default limits | 402 | 0.43 |
| Emissions levels exceed the manufacturer's specified limits | 202 | 0.22 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 76 | 0.08 |
| Emissions test unable to be completed | 41 | 0.04 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 93,021 (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
MG ZS 2017 · MG ZS 2018 · MG ZS 2019 · MG ZS 2020 · MG ZS in Norway · MG ZS in the Netherlands · MG ZS by postcode area · MG ZS body, chassis and structure failures · MG ZS brakes failures · MG ZS vehicle identification failures · MG ZS lamps, reflectors and electrics failures · MG ZS road wheels failures · MG ZS seat belts and airbags failures · MG ZS steering failures · MG ZS suspension failures · MG ZS tyres failures · MG ZS visibility failures