Does the Porsche Cayenne fail the MOT on seat belts and airbags more than it should?
The Porsche Cayenne records 0.81 seat belts and airbags failure items per 100 initial MOT tests (2019–2024), against 1.04 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) (−0.23, 95% interval −0.28 to −0.18). It ranks 382 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 Cayenne by registration
What exactly fails on seat belts and airbags?
The most frequent DVSA defect wording in this group on the Porsche Cayenne is “An SRS malfunction indicator lamp (MIL) indicates a system malfunction”, recorded 666 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| An SRS malfunction indicator lamp (MIL) indicates a system malfunction | 666 | 0.42 |
| Seat belt buckle missing, damaged or not functioning as intended | 264 | 0.17 |
| Seat belt not functioning as intended or of an incorrect type | 132 | 0.08 |
| Seat belt retractor not functioning as intended | 73 | 0.05 |
| A seat belt or flexible stalk damaged | 39 | 0.02 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 157,425 (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 Cayenne gets a seat belts and airbags advisory, how often does it fail next time?
4.7% of Porsche Cayenne 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 4,860 miles later (1,112 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,112 (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
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