At a Glance
The Mg 6 has 15 identified common problems across 1 generation, with the Mk1 (2009-2016) being the most affected generation and brakes the most common problem category. Based on 22K 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 our DVSA MOT data methodology →
Below: generation-by-generation comparison of Mg 6 common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Mg 6 generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation'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 Mg 6 owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Mg 6 owners — report a problem and we'll add it to the database
Looking for a garage to repair your Mg 6?
Search our directory of 12,000+ UK garages by service and postcode — every garage has verified Google reviews.
Browse Mg 6 Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Mg 6 MOT Failures
Every reason Mg 6 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 | 10.41% |
| 2 | Tyre tread depth below limit | 10.40% |
| 3 | Wiper blades deteriorated | 9.73% |
| 4 | Suspension joint or bush worn | 8.73% |
| 5 | Brake pads or linings worn | 5.98% |
| 6 | Rigid brake pipe corroded or damaged | 5.33% |
| 7 | Position lamp not working | 4.66% |
| 8 | Windscreen washer not working | 3.55% |
| 9 | Number plate lamp not working | 3.49% |
| 10 | Brake performance below minimum | 2.50% |
| 11 | Parking brake performance below minimum | 2.45% |
| 12 | Stop lamp not working | 2.40% |
| 13 | Brake disc or drum worn | 2.05% |
| 14 | Ball joint dust cover split | 1.94% |
| 15 | Spark ignition emissions above threshold | 1.91% |
| 16 | Suspension arm worn or corroded | 1.71% |
| 17 | Headlamp fault | 1.67% |
| 18 | Windscreen damage affecting view | 1.58% |
| 19 | Coil spring broken or corroded | 1.53% |
| 20 | Headlamp aim defect | 1.53% |
| 21 | ABS fault | 1.16% |
| 22 | Rear fog lamp not working | 0.79% |
| 23 | Exhaust system fault | 0.73% |
| 24 | Driveshaft fault | 0.71% |
| 25 | Battery loose or leaking | 0.65% |
| 26 | Indicator fault | 0.64% |
| 27 | Shock absorber worn or leaking | 0.64% |
| 28 | Brake pedal fault | 0.60% |
| 29 | Front passenger door fault | 0.57% |
| 30 | Track rod end worn | 0.54% |
| 31 | Wheel bearing worn | 0.51% |
| 32 | Fog lamp not working | 0.49% |
| 33 | Tyre pressure monitoring system fault | 0.40% |
| 34 | Electronic stability control fault | 0.38% |
| 35 | Tyre size or type not matched | 0.38% |
| 36 | Brake hydraulic component worn | 0.37% |
| 37 | Flexible brake hose damaged | 0.35% |
| 38 | Mirror damaged or missing | 0.34% |
| 39 | Reversing lamp not working | 0.34% |
| 40 | Compression ignition emissions above threshold | 0.29% |
| 41 | Front lamp not working | 0.29% |
| 42 | Front suspension joint worn | 0.29% |
| 43 | Seat belt condition | 0.26% |
| 44 | Headlamp washer not working | 0.25% |
| 45 | Rear reflector damaged or missing | 0.24% |
| 46 | Airbag warning light on | 0.23% |
| 47 | Electrical wiring fault | 0.21% |
| 48 | Brake caliper fault | 0.20% |
| 49 | Brake lever fault | 0.18% |
| 50 | Steering rack fault | 0.17% |
| 51 | Subframe corrosion or damage | 0.17% |
| 52 | Suspension mounting corroded | 0.17% |
| 53 | Engine oil leak | 0.16% |
| 54 | Suspension linkage fault | 0.16% |
| 55 | Driver door fault | 0.15% |
| 56 | Horn not working | 0.15% |
| 57 | Handbrake lever fault | 0.14% |
| 58 | Passenger seat fault | 0.13% |
| 59 | Bumper damaged or insecure | 0.12% |
| 60 | Electrical switch fault | 0.12% |
| 61 | Headlamp levelling device fault | 0.10% |
| 62 | Catalytic converter efficiency low | 0.08% |
| 63 | Electronic braking system fault | 0.08% |
| 64 | Exhaust emissions above threshold (non-catalyst) | 0.08% |
| 65 | Undertray damaged or missing | 0.08% |
| 66 | Fuel cap damaged or missing | 0.07% |
| 67 | Fuel tank corroded or leaking | 0.07% |
| 68 | Bonnet catch or hinge fault | 0.06% |
| 69 | Driver seat fault | 0.06% |
| 70 | Front suspension fault | 0.06% |
| 71 | Parking brake condition | 0.06% |
| 72 | Brake fluid level low or contaminated | 0.05% |
| 73 | Rear lamp not working | 0.05% |
| 74 | Steering column fault | 0.05% |
| 75 | Tyre valve stem damaged | 0.05% |
| 76 | MacPherson strut worn | 0.05% |
| 77 | Body corrosion or damage | 0.04% |
| 78 | Boot lid damaged or insecure | 0.04% |
| 79 | Brake fluid reservoir fault | 0.04% |
| 80 | Drag link end worn | 0.04% |
| 81 | Electric power steering fault | 0.04% |
| 82 | Exhaust leak | 0.04% |
| 83 | Anti-roll bar worn or corroded | 0.03% |
| 84 | Brake air or vacuum system fault | 0.03% |
| 85 | Brake cable, rod, lever or linkage fault | 0.03% |
| 86 | Brake pedal movement restricted | 0.03% |
| 87 | Dashboard warning lamp fault | 0.03% |
| 88 | Engine mounting worn or broken | 0.03% |
| 89 | Fuel pipe corroded or damaged | 0.03% |
| 90 | Full power hydraulic brake fault | 0.03% |
| 91 | Rear suspension fault | 0.03% |
| 92 | Spring mounting corroded | 0.03% |
| 93 | Steering lock fault | 0.03% |
| 94 | Dip switch fault | 0.02% |
| 95 | Exhaust heat shield or sound insulation damaged | 0.02% |
| 96 | Bonded suspension condition | 0.02% |
| 97 | King pin or swivel pin worn | 0.02% |
| 98 | Access panel damaged or insecure | <0.01% |
| 99 | Brake fluid leak | <0.01% |
| 100 | Brake valve fault | <0.01% |
| 101 | Chassis condition | <0.01% |
| 102 | Driver airbag fault | <0.01% |
| 103 | Electronic parking brake fault | <0.01% |
| 104 | Mirror or camera fault | <0.01% |
| 105 | Power steering pipe or hose leaking | <0.01% |
| 106 | Power steering ram fault | <0.01% |
| 107 | Propshaft fault | <0.01% |
| 108 | Rear fog lamp warning light fault | <0.01% |
| 109 | Steering operation fault | <0.01% |
| 110 | Suspension retaining or locking device fault | <0.01% |
| 111 | Window damaged or won't operate | <0.01% |
| 112 | Towbar fault | <0.01% |
Showing all 112 reasons — scroll inside the table for the full list.
Mg 6 MOT Failures by Category
Total MOT failure occurrences for the Mg 6, 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 Mg 6 problems?
Based on analysis of 22K Mg 6 MOT tests from DVSA data, we have 15 identified common problems across 1 generation. The most frequently flagged issue is "Rigid brake pipe corroded or damaged". Brakes is the most common problem category.
Which Mg 6 generation has the most problems?
The Mg 6 Mk1 (2009-2016) (2009–2016) has the highest number of identified common problems (17). Click the generation card above for the 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 Mg 6?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mg 6 owners spot problems early. All submissions are reviewed before being added to the public database.
Search Vehicles With Common Problems
Find common car problems, MOT failures, and advisories for any make and model
