Does the Porsche Boxster fail the MOT on seat belts and airbags more than it should?
The Porsche Boxster records 0.44 seat belts and airbags failure items per 100 initial MOT tests (2019–2024), against 2.54 expected for a car of the same age mix: less than expected for its class and age (−2.10, 95% interval −2.17 to −2.03). It ranks 604 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 Boxster by registration
What exactly fails on seat belts and airbags?
The most frequent DVSA defect wording in this group on the Porsche Boxster is “An SRS malfunction indicator lamp (MIL) indicates a system malfunction”, recorded 638 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| An SRS malfunction indicator lamp (MIL) indicates a system malfunction | 638 | 0.33 |
| 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 | 95 | 0.05 |
| Seat belt retractor not functioning as intended | 42 | 0.02 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 194,725 (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
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