MOT Risk Index.co.uk

Does the Porsche 911 fail the MOT on seat belts and airbags more than it should?

The Porsche 911 records 0.33 seat belts and airbags failure items per 100 initial MOT tests (2019–2024), against 2.29 expected for a car of the same age mix: less than expected for its class and age (−1.96, 95% interval −2.01 to −1.90). It ranks 598 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 Porsche 911 by registration

What exactly fails on seat belts and airbags?

The most frequent DVSA defect wording in this group on the Porsche 911 is “An SRS malfunction indicator lamp (MIL) indicates a system malfunction”, recorded 598 times in 2019–2024.

Porsche 911: most frequent seat belts and airbags defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
An SRS malfunction indicator lamp (MIL) indicates a system malfunction5980.21
The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired1350.05
Seat belt buckle missing, damaged or not functioning as intended410.01
Seat belt not functioning as intended or of an incorrect type360.01
An airbag fitted as original equipment obviously missing330.01

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 285,717 (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 Porsche 911 gets a seat belts and airbags advisory, how often does it fail next time?

2.0% of Porsche 911 MOTs with a seat belts and airbags advisory were followed by a fail in the same group at the next MOT, typically 11.6 months and 1,282 miles later (561 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 561 (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

Porsche 911 1998 · Porsche 911 1999 · Porsche 911 2000 · Porsche 911 2001 · Porsche 911 2002 · Porsche 911 2003 · Porsche 911 2004 · Porsche 911 2005 · Porsche 911 2006 · Porsche 911 2007 · Porsche 911 2008 · Porsche 911 2009 · Porsche 911 2010 · Porsche 911 2011 · Porsche 911 2012 · Porsche 911 2013 · Porsche 911 2014 · Porsche 911 2015 · Porsche 911 2016 · Porsche 911 2017 · Porsche 911 2018 · Porsche 911 2019 · Porsche 911 2020 · Porsche 911 in Norway · Porsche 911 in Finland · Porsche 911 in the Netherlands · Porsche 911 by postcode area · Porsche 911 body, chassis and structure failures · Porsche 911 brakes failures · Porsche 911 vehicle identification failures · Porsche 911 lamps, reflectors and electrics failures · Porsche 911 noise, emissions and leaks failures · Porsche 911 road wheels failures · Porsche 911 steering failures · Porsche 911 suspension failures · Porsche 911 tyres failures · Porsche 911 visibility failures