Does the Ford S-MAX fail the MOT on noise, emissions and leaks more than it should?
The Ford S-MAX records 3.49 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 3.71 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) (−0.22, 95% interval −0.28 to −0.17). It ranks 305 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 S-MAX by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Ford S-MAX is “Engine MIL illuminated indicating a malfunction”, recorded 4,695 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 4,695 | 0.98 |
| Smoke opacity levels exceed the manufacturer's specified limit | 4,467 | 0.94 |
| Emissions test unable to be completed | 1,804 | 0.38 |
| Smoke opacity levels exceed default limit | 1,559 | 0.33 |
| An induction or exhaust leak that could affect emissions levels | 700 | 0.15 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 476,737 (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 S-MAX gets a noise, emissions and leaks advisory, how often does it fail next time?
6.0% of Ford S-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 7,228 miles later (17,549 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 17,549 (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 S-MAX 2006 · Ford S-MAX 2007 · Ford S-MAX 2008 · Ford S-MAX 2009 · Ford S-MAX 2010 · Ford S-MAX 2011 · Ford S-MAX 2012 · Ford S-MAX 2013 · Ford S-MAX 2014 · Ford S-MAX 2015 · Ford S-MAX 2016 · Ford S-MAX 2017 · Ford S-MAX 2018 · Ford S-MAX 2019 · Ford S-MAX 2020 · Ford S-MAX in Norway · Ford S-MAX in Finland · Ford S-MAX in the Netherlands · Ford S-MAX by postcode area · Ford S-MAX body, chassis and structure failures · Ford S-MAX brakes failures · Ford S-MAX vehicle identification failures · Ford S-MAX lamps, reflectors and electrics failures · Ford S-MAX road wheels failures · Ford S-MAX seat belts and airbags failures · Ford S-MAX steering failures · Ford S-MAX suspension failures · Ford S-MAX tyres failures · Ford S-MAX visibility failures