At a Glance
The Bentley Mulsanne has 8 identified problems that occur more often than the UK average, with Brake performance below minimum being the most reported. Electrical is the most common MOT failure category. The most serious issue flagged is Parking brake performance below minimum, rated as dangerous. Based on 6K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →
Below: the full MOT-data picture for the Bentley Mulsanne — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.
Bentley Mulsanne MOT Pass Rate
Across 6K MOT tests from DVSA data, the Bentley Mulsanne (2010–2020) has a fail rate of 6.3%.
UK average fail rate (2010–2020): 36.3%
Common Bentley Mulsanne Problems
Owner-submitted reports plus patterns we've identified across 559 million UK MOT tests. Each MOT-derived item below — whether tagged as a Problem, Wear & Tear or Consumable — shows up noticeably more often on this generation than across the UK fleet, which is why it's here. Owner reports are pinned to the top by default; use the sort and filter pills below to view a specific tier or change the order.
Brake performance below minimum
414
occurrences
Exhaust emissions above threshold (non-catalyst)
133
occurrences
Headlamp defect (no aim check)
121
occurrences
Brake fluid leak
77
occurrences
Brake caliper fault
74
occurrences
Tell Us About Your Problem
Help other Bentley Mulsanne owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Bentley Mulsanne owners — report a problem and we'll add it to the database
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Problems by mileage
Common problems, MOT failures and advisories on the Bentley Mulsanne, grouped by the mileage they typically appear at.
302 distinct problems · 11,294 total occurrences in current filter
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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.
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Other Bentley Mulsanne Generations
Mulsanne (Mk1)
1980–1992
0 problems
Mulsanne
2010–2020
11 problems
Current page
Frequently Asked Questions
What are the most common Bentley Mulsanne problems?
Based on DVSA MOT data for the Bentley Mulsanne Mulsanne (2010–2020), we have identified 8 common problems. The most frequently reported is "Brake performance below minimum". Electrical is the most common MOT failure category.
How reliable is the Bentley Mulsanne?
This generation has 6K MOT tests on record with a 6.3% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.
What commonly fails the MOT on a Bentley Mulsanne?
There are 125 distinct MOT failure types recorded for the Mulsanne (2010–2020), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.
Can I report a problem with my Bentley Mulsanne?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Bentley Mulsanne owners spot problems early. All submissions are reviewed before being added to the public database.
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