Does the Seat Leon fail the MOT on seat belts and airbags more than it should?
The Seat Leon records 0.87 seat belts and airbags failure items per 100 initial MOT tests (2019–2024), against 0.80 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) (+0.07, 95% interval +0.05 to +0.08). It ranks 246 of 627 models on seat belts and airbags (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on seat belts and airbags · check a Seat Leon by registration
What exactly fails on seat belts and airbags?
The most frequent DVSA defect wording in this group on the Seat Leon is “An SRS malfunction indicator lamp (MIL) indicates a system malfunction”, recorded 6,439 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| An SRS malfunction indicator lamp (MIL) indicates a system malfunction | 6,439 | 0.63 |
| Seat belt buckle missing, damaged or not functioning as intended | 485 | 0.05 |
| Seat belt not functioning as intended or of an incorrect type | 438 | 0.04 |
| The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired | 318 | 0.03 |
| A seat belt webbing or flexible stalk significantly stretched or weakened | 300 | 0.03 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,021,630 (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 Seat Leon gets a seat belts and airbags advisory, how often does it fail next time?
3.9% of Seat Leon MOTs with a seat belts and airbags advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 6,377 miles later (3,438 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,438 (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
Seat Leon 2000 · Seat Leon 2001 · Seat Leon 2002 · Seat Leon 2003 · Seat Leon 2004 · Seat Leon 2005 · Seat Leon 2006 · Seat Leon 2007 · Seat Leon 2008 · Seat Leon 2009 · Seat Leon 2010 · Seat Leon 2011 · Seat Leon 2012 · Seat Leon 2013 · Seat Leon 2014 · Seat Leon 2015 · Seat Leon 2016 · Seat Leon 2017 · Seat Leon 2018 · Seat Leon 2019 · Seat Leon 2020 · Seat Leon in Finland · Seat Leon in the Netherlands · Seat Leon by postcode area · Seat Leon body, chassis and structure failures · Seat Leon brakes failures · Seat Leon vehicle identification failures · Seat Leon lamps, reflectors and electrics failures · Seat Leon noise, emissions and leaks failures · Seat Leon road wheels failures · Seat Leon steering failures · Seat Leon suspension failures · Seat Leon tyres failures · Seat Leon visibility failures