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MOT reliability

Mg B convertable

3 vehicles · 28 completed MOT tests analysed
75%
MOT pass rate

Based on 3 Mg B convertable vehicles and 28 completed MOT tests, the Mg B convertable has an overall 75% pass rate, with an average recorded mileage of 65,270 miles.

3
Vehicles
28
MOT tests
422
Avg miles / year
1.4
Faults per test
0%
Dangerous-fault share

Mg B convertable problem areas

Where faults occur most across all Mg B convertable MOT tests:

  • Other142%
  • Emissions & nuisance5%
  • Steering5%
  • Seatbelts & equipment3%

Mg B convertable pass rate by age

Age (years)TestsPass rate

Fuel types: Petrol (3)

Most common Mg B convertable MOT faults

These are the faults and advisories recorded most often across Mg B convertable MOT tests:

  1. Steering system has slight free play detected at steering wheel (2.2.A.1b) (3 times)
  2. Nearside Headlamp not working on dipped beam (1.7.5a) (2 times)
  3. Service brake: efficiency below requirements (3.7.B.7) (2 times)
  4. o/s floor pan to sill front to center corroded (2 times)
  5. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (2 times)
  6. Leaf spring has a slightly deteriorated shackle pin rubber bush not resulting in excessive movement (2.4.B.2) (2 times)
  7. n/s and o/s front floor pans corroded and holed (2 times)
  8. n/s/rear axle check strap broken (2 times)
  9. o/s/front brake slightly sticking on (2 times)
  10. Nearside Front Upper Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2) (2 times)
  11. Offside Front Body has slight corrosion (6.1.B.2) (2 times)
  12. Offside Rear Shock absorber has a light misting of oil (2.7.3) (2 times)
  13. n/s rear brake plate dump (2 times)
  14. very small hole in o/s rear outer sill (2 times)
  15. Offside Front Lower Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c) (1 times)

Mg B convertable pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1978 1 9 89% 89,078
1976 1 12 67% 95,575
1975 1 7 71% 11,158

Mg B convertable reliability FAQ

Across 3 Mg B convertable vehicles in our MOT data, 75% pass the MOT (a 25% failure rate), with about 1.4 faults or advisories recorded per test.

The most frequently recorded Mg B convertable MOT issues are: Steering system has slight free play detected at steering wheel (2.2.A.1b); Nearside Headlamp not working on dipped beam (1.7.5a); Service brake: efficiency below requirements (3.7.B.7).

The typical Mg B convertable in our data has covered around 65,270 miles.

Compare the Mg B convertable

See how the Mg B convertable stacks up against other Mg models on MOT reliability:

B convertable vs Metro B convertable vs B gt B convertable vs Mgf B convertable vs Zs

Check a specific Mg B convertable

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Mg models · Learn about common MOT failures · what an MOT checks