At a Glance
Bentley has 47 identified common problems across 22 models, with the Turbo R being the most affected model and brakes the most common problem category. Based on 310K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read how we identify common car problems →
Below: per-model breakdowns of Bentley common problems, MOT failure rates by category, pass-rate data, and repair patterns drawn from 310K DVSA MOT tests across 20 years. Click any model to see generation-specific issues, mileage-banded fault patterns, and the most common MOT failures recorded by UK testers.
MOT Tests & Failures by Model
Top Bentley models by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that model's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
Tell Us About Your Problem
Help other Bentley owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Bentley owners — report a problem and we'll add it to the database
Looking for a garage to repair your Bentley?
Search our directory of 12,000+ UK garages by service and postcode — every garage has verified Google reviews.
Bentley Common Problems by Model
Select a model to see problems by generation
Showing top 9 by MOT test volume — search to find any of 22 Bentley models.
Continental
Most common: Tyres & Wheels
Continental Gt
Most common: Tyres & Wheels
Arnage
Most common: Brakes
Turbo R
Most common: Brakes
Brooklands
Most common: Brakes
Mulsanne
Most common: Brakes
Bentayga
Most common: Tyres & Wheels
Flying Spur
Most common: Tyres & Wheels
Azure
Most common: Brakes
Most Common Bentley MOT Failures
Every reason Bentley vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Tyre condition | 13.90% |
| 2 | Suspension joint or bush worn | 6.15% |
| 3 | Tyre tread depth below limit | 5.55% |
| 4 | Number plate lamp not working | 5.19% |
| 5 | Windscreen washer not working | 4.85% |
| 6 | Brake performance below minimum | 4.59% |
| 7 | Wiper blades deteriorated | 3.36% |
| 8 | Brake hydraulic component worn | 3.32% |
| 9 | Stop lamp not working | 3.21% |
| 10 | Brake pads or linings worn | 2.52% |
| 11 | Front lamp not working | 2.51% |
| 12 | Shock absorber worn or leaking | 2.31% |
| 13 | Catalytic converter efficiency low | 2.27% |
| 14 | Indicator fault | 2.27% |
| 15 | Spark ignition emissions above threshold | 1.98% |
| 16 | Headlamp aim defect | 1.89% |
| 17 | Parking brake performance below minimum | 1.69% |
| 18 | Position lamp not working | 1.63% |
| 19 | Brake disc or drum worn | 1.61% |
| 20 | Driveshaft fault | 1.33% |
| 21 | Ball joint dust cover split | 1.33% |
| 22 | Exhaust system fault | 1.32% |
| 23 | Airbag warning light on | 1.26% |
| 24 | Track rod end worn | 1.13% |
| 25 | Coil spring broken or corroded | 1.13% |
| 26 | Parking brake condition | 1.06% |
| 27 | Rear lamp not working | 1.04% |
| 28 | Headlamp fault | 1.02% |
| 29 | Horn not working | 1.00% |
| 30 | Front suspension joint worn | 0.88% |
| 31 | Windscreen damage affecting view | 0.81% |
| 32 | Rigid brake pipe corroded or damaged | 0.75% |
| 33 | Suspension mounting corroded | 0.71% |
| 34 | Body corrosion or damage | 0.63% |
| 35 | ABS fault | 0.61% |
| 36 | Seat belt condition | 0.56% |
| 37 | Tyre pressure monitoring system fault | 0.48% |
| 38 | Rear suspension fault | 0.47% |
| 39 | Rear fog lamp not working | 0.44% |
| 40 | Steering rack fault | 0.43% |
| 41 | Fog lamp not working | 0.41% |
| 42 | Power steering pipe or hose leaking | 0.37% |
| 43 | Brake caliper fault | 0.37% |
| 44 | Mirror damaged or missing | 0.33% |
| 45 | Brake fluid leak | 0.33% |
| 46 | Electronic stability control fault | 0.32% |
| 47 | Front suspension fault | 0.32% |
| 48 | Electrical switch fault | 0.31% |
| 49 | Chassis condition | 0.31% |
| 50 | Brake lever fault | 0.31% |
| 51 | Subframe mounting corroded | 0.29% |
| 52 | Wheel bearing worn | 0.27% |
| 53 | Power steering ram fault | 0.24% |
| 54 | Flexible brake hose damaged | 0.23% |
| 55 | Suspension linkage fault | 0.21% |
| 56 | Tyre size or type not matched | 0.21% |
| 57 | Steering lock fault | 0.19% |
| 58 | Brake pedal fault | 0.18% |
| 59 | Brake pedal movement restricted | 0.17% |
| 60 | Suspension arm worn or corroded | 0.16% |
| 61 | Exhaust emissions above threshold (non-catalyst) | 0.16% |
| 62 | Reversing lamp not working | 0.16% |
| 63 | Headlamp washer not working | 0.15% |
| 64 | Fuel pipe corroded or damaged | 0.15% |
| 65 | Handbrake cable fault | 0.15% |
| 66 | Brake fluid warning light on | 0.14% |
| 67 | Battery loose or leaking | 0.13% |
| 68 | Steering operation fault | 0.13% |
| 69 | Air suspension levelling valve fault | 0.13% |
| 70 | Driver airbag fault | 0.13% |
| 71 | Suspension unit fault | 0.13% |
| 72 | Brake fluid level low or contaminated | 0.13% |
| 73 | Boot lid damaged or insecure | 0.13% |
| 74 | Dashboard warning lamp fault | 0.13% |
| 75 | Electronic parking brake fault | 0.12% |
| 76 | Hydraulic suspension accumulator fault | 0.12% |
| 77 | Fuel cap damaged or missing | 0.12% |
| 78 | Driver seat fault | 0.11% |
| 79 | Compression ignition emissions above threshold | 0.11% |
| 80 | Electrical wiring fault | 0.11% |
| 81 | Drag link end worn | 0.10% |
| 82 | Spring mounting corroded | 0.10% |
| 83 | Fuel hose damaged or leaking | 0.10% |
| 84 | Steering free play excessive | 0.10% |
| 85 | Trailing arm worn or corroded | 0.09% |
| 86 | Engine oil leak | 0.09% |
| 87 | Bonnet catch or hinge fault | 0.08% |
| 88 | Steering arm worn | 0.08% |
| 89 | Hydraulic fluid leak | 0.08% |
| 90 | Brake cable, rod, lever or linkage fault | 0.07% |
| 91 | Bonded suspension condition | 0.06% |
| 92 | Hydraulic brake cylinder fault | 0.06% |
| 93 | Steering coupling worn | 0.06% |
| 94 | Suspension retaining or locking device fault | 0.06% |
| 95 | Tyre valve stem damaged | 0.06% |
| 96 | Power steering pump fault | 0.05% |
| 97 | Subframe corrosion or damage | 0.05% |
| 98 | Rear fog lamp warning light fault | 0.05% |
| 99 | Vehicle structure corrosion | 0.05% |
| 100 | King pin or swivel pin worn | 0.05% |
| 101 | Rear reflector damaged or missing | 0.04% |
| 102 | Bumper damaged or insecure | 0.04% |
| 103 | Full power hydraulic brake fault | 0.04% |
| 104 | Headlamp levelling device fault | 0.04% |
| 105 | Steering box fault | 0.04% |
| 106 | Dip switch fault | 0.04% |
| 107 | Exhaust leak | 0.04% |
| 108 | Brake valve fault | 0.04% |
| 109 | Main beam warning light fault | 0.04% |
| 110 | Steering column fault | 0.04% |
| 111 | Body security fault | 0.03% |
| 112 | Electronic braking system fault | 0.03% |
| 113 | Radius arm worn or corroded | 0.03% |
| 114 | Spare wheel fault | 0.03% |
| 115 | Undertray damaged or missing | 0.03% |
| 116 | Front passenger door fault | 0.03% |
| 117 | Handbrake lever fault | 0.03% |
| 118 | Anti-roll bar worn or corroded | 0.03% |
| 119 | MacPherson strut worn | 0.03% |
| 120 | Brake wheel cylinder fault | 0.02% |
| 121 | Semaphore indicator fault | 0.02% |
| 122 | Brake clevis joint worn | 0.02% |
| 123 | Engine mounting worn or broken | 0.02% |
| 124 | Passenger seat fault | 0.02% |
| 125 | Propshaft fault | 0.02% |
| 126 | Brake master cylinder fault | 0.02% |
| 127 | Brake fluid reservoir fault | 0.02% |
| 128 | Fuel tank corroded or leaking | 0.02% |
| 129 | Indicator warning light fault | 0.02% |
| 130 | Speedometer fault | 0.02% |
| 131 | Steering wheel damaged or insecure | 0.02% |
| 132 | Transmission oil leak | 0.02% |
| 133 | Hazard warning light fault | 0.02% |
| 134 | Steering intermediate drop arm worn | 0.01% |
| 135 | Brake air or vacuum system fault | 0.01% |
| 136 | Brake relay lever fault | 0.01% |
| 137 | Driver door fault | 0.01% |
| 138 | Tailgate damaged or insecure | 0.01% |
| 139 | Tie bar or rod worn or corroded | 0.01% |
| 140 | Brake back plate corroded or damaged | 0.01% |
| 141 | Handbrake mechanism or mounting fault | 0.01% |
| 142 | Steering damper fault | 0.01% |
| 143 | Suspension air bellows damaged | 0.01% |
| 144 | Window damaged or won't operate | 0.01% |
| 145 | Passenger airbag fault | <0.01% |
| 146 | Steering drive system fault | <0.01% |
| 147 | Steering shaft fault | <0.01% |
| 148 | Additional braking device fault | <0.01% |
| 149 | Electric power steering fault | <0.01% |
| 150 | Reversing lamp switch fault | <0.01% |
| 151 | Seat belt pre-tensioner fault | <0.01% |
| 152 | Access panel damaged or insecure | <0.01% |
| 153 | Brake slack adjuster fault | <0.01% |
| 154 | Front fog lamp not working | <0.01% |
| 155 | Universal joint worn | <0.01% |
| 156 | Air brake cylinder or actuator fault | <0.01% |
| 157 | Body strengthening plate corroded | <0.01% |
| 158 | Brake linkage mounting fault | <0.01% |
| 159 | Brake pedal linkage fault | <0.01% |
| 160 | Brake pressure or vacuum buildup insufficient | <0.01% |
| 161 | Brake servo fault | <0.01% |
| 162 | Handbrake fails on gradient | <0.01% |
| 163 | Mirror or camera fault | <0.01% |
| 164 | Securing bolts missing or insecure | <0.01% |
| 165 | Steering lock stop fault | <0.01% |
| 166 | Stub axle worn | <0.01% |
| 167 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 168 | Suspension rod worn or corroded | <0.01% |
| 169 | Anchor bracket corroded | <0.01% |
| 170 | Axle beam corroded or cracked | <0.01% |
| 171 | Axle corroded or damaged | <0.01% |
| 172 | Brake stationary pin worn | <0.01% |
| 173 | CV joint worn | <0.01% |
| 174 | Leaf spring broken or corroded | <0.01% |
| 175 | Leaf spring shackle bracket corroded | <0.01% |
| 176 | Load sensing valve fault | <0.01% |
| 177 | Spring saddle corroded | <0.01% |
| 178 | Torsion bar worn or corroded | <0.01% |
| 179 | Transmission drive belt fault | <0.01% |
| 180 | Vehicle floor corroded | <0.01% |
Showing all 180 reasons — scroll inside the table for the full list.
Bentley MOT Failures by Category
Total MOT failure occurrences for Bentley, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
Join as a car owner — free
Get MOT reminders, a pre-MOT checklist, and tools to compare garages near you.
MOT Reminders
Free email alerts 28 and 7 days before your MOT expires.
44-Point MOT Checklist
Printable checklist to inspect your car before the test.
Save Favourite Garages
Save garages you trust and compare their ratings side by side.
Already a member? Sign in
Frequently Asked Questions
What are the most common Bentley problems?
Based on analysis of 310K Bentley MOT tests from DVSA data, Bentley has 47 identified common problems across 22 models. The Bentley Turbo R has the most recorded problems. Brakes issues are the most common category.
Which Bentley model has the most problems?
By total identified common problems, the Bentley Turbo R has the highest count with 27 problems. This is partly because it is one of the more popular Bentley models on UK roads. See the models grid for a full breakdown.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Bentley?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Bentley owners spot problems early. We review all submissions before they are published.
Search Vehicles With Common Problems
Find common car problems, MOT failures, and advisories for any make and model
Popular makes with common problems
Popular models with common problems
Volkswagen Crafter
68 problems
Mitsubishi Shogun Sport
68 problems
Volkswagen Lt
117 problems
Nissan Terrano Ii
67 problems
Daihatsu Fourtrak
119 problems
Ford Maverick
69 problems
Ford Ka
81 problems
Toyota Hilux
70 problems
Daewoo Matiz
75 problems
Mitsubishi L200
95 problems
Peugeot 405
76 problems
Vauxhall Combo
68 problems
