MOT Risk Index.co.uk

Does the Bentley Mulsanne fail the MOT on noise, emissions and leaks more than it should?

The Bentley Mulsanne records 1.84 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 3.04 expected for a car of the same age mix: less than expected for its class and age (−1.20, 95% interval −1.66 to −0.74). It ranks 467 of 678 models on noise, emissions and leaks (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Bentley Mulsanne by registration

What exactly fails on noise, emissions and leaks?

The most frequent DVSA defect wording in this group on the Bentley Mulsanne is “Emissions levels exceed default limits”, recorded 34 times in 2019–2024.

Bentley Mulsanne: most frequent noise, emissions and leaks defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Emissions levels exceed default limits340.62
Engine MIL illuminated indicating a malfunction330.60

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,480 (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

Other pages for this model

Bentley Mulsanne by postcode area · Bentley Mulsanne body, chassis and structure failures · Bentley Mulsanne brakes failures · Bentley Mulsanne lamps, reflectors and electrics failures · Bentley Mulsanne steering failures · Bentley Mulsanne suspension failures · Bentley Mulsanne tyres failures · Bentley Mulsanne visibility failures