Does the Ford Grand C-MAX fail the MOT on noise, emissions and leaks more than it should?
The Ford Grand C-MAX records 2.29 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 2.04 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) (+0.25, 95% interval +0.18 to +0.31). It ranks 218 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 Ford Grand C-MAX by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Ford Grand C-MAX is “Engine MIL illuminated indicating a malfunction”, recorded 1,813 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 1,813 | 0.86 |
| Smoke opacity levels exceed the manufacturer's specified limit | 1,547 | 0.73 |
| Emissions test unable to be completed | 257 | 0.12 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 235 | 0.11 |
| Emissions levels exceed default limits | 222 | 0.10 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 211,869 (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 Ford Grand C-MAX gets a noise, emissions and leaks advisory, how often does it fail next time?
4.6% of Ford Grand C-MAX MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12 months and 8,321 miles later (3,116 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,116 (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
Ford Grand C-MAX 2010 · Ford Grand C-MAX 2011 · Ford Grand C-MAX 2012 · Ford Grand C-MAX 2013 · Ford Grand C-MAX 2014 · Ford Grand C-MAX 2015 · Ford Grand C-MAX 2016 · Ford Grand C-MAX 2017 · Ford Grand C-MAX 2018 · Ford Grand C-MAX 2019 · Ford Grand C-MAX in Finland · Ford Grand C-MAX in the Netherlands · Ford Grand C-MAX by postcode area · Ford Grand C-MAX body, chassis and structure failures · Ford Grand C-MAX brakes failures · Ford Grand C-MAX vehicle identification failures · Ford Grand C-MAX lamps, reflectors and electrics failures · Ford Grand C-MAX road wheels failures · Ford Grand C-MAX seat belts and airbags failures · Ford Grand C-MAX steering failures · Ford Grand C-MAX suspension failures · Ford Grand C-MAX tyres failures · Ford Grand C-MAX visibility failures