Does the Mercedes-Benz GLS fail the MOT on seat belts and airbags more than it should?

The Mercedes-Benz GLS records 0.34 seat belts and airbags failure items per 100 initial MOT tests (2019–2024), against 0.30 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) (+0.04, 95% interval −0.07 to +0.15). It ranks 257 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 Mercedes-Benz GLS by registration

No single seat belts and airbags defect wording reaches 30 items on the Mercedes-Benz GLS; the failures are spread across several.