MG MGB MOT Results

Registered in 1981
69.9% pass rate
from 654 tests in 2017
Pass rate by mileage
Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for 1981 cars and highlighted areas where the MG MGB is unusually good or bad.

  • 13% fail on Lamps, Reflectors and Electrical Equipment (32% better than other 1981 cars)
    • 4.6% fail on Rear fog lamp
      • 3.8% fail on Fog lamp
      • 1.1% fail on Tell tale
    • 3.5% fail on Headlamps
      • 2.4% fail on Headlamp
      • 0.61% fail on Headlamp defects which don't require an aim check on retest
        • 0.61% fail on Main beam 'tell-tale'
      • 0.46% fail on Switch
      • 0.15% fail on Headlamp defects which do require an aim check on retest
        • 0.15% fail on Main beam 'tell-tale'
      • 0.15% fail on Dipswitch
    • 3.1% fail on Position lamps
      • 2.0% fail on Front lamps
      • 0.76% fail on All position lamps
      • 0.61% fail on Rear lamps (69% better than other 1981 cars)
    • 2.4% fail on Headlamp aim (52% better than other 1981 cars)
    • 2.3% fail on Direction indicators
      • 2.3% fail on Flashing type
        • 1.2% fail on Individual lamps
        • 1.1% fail on All direction indicators
    • 2.1% fail on Registration plate lamp
    • 1.2% fail on Stop lamp (64% better than other 1981 cars)
    • 1.1% fail on Hazard warning
      • 0.92% fail on Lamp
      • 0.31% fail on Switch
      • 0.15% fail on Tell tale
    • 0.92% fail on Battery
    • 0.76% fail on Horn
    • 0.46% fail on Headlamp aim not tested
    • 0.15% fail on Electrical wiring
    • 0.15% fail on Trailer electrical socket
  • 11% fail on Brakes
    • 7.3% fail on Brake performance
      • 4.4% fail on Rear wheels
      • 2.4% fail on Front wheels
      • 1.5% fail on Parking brake performance (56% better than other 1981 cars)
      • 0.76% fail on Brake imbalance
      • 0.76% fail on Service brake performance
      • 0.31% fail on Brake performance not tested
    • 3.5% fail on Hydraulic systems
      • 2.6% fail on Components
        • 1.7% fail on Hoses
        • 1.1% fail on Pipes
      • 0.76% fail on Leaks
      • 0.61% fail on Operation
    • 1.1% fail on Parking brake
      • 1.1% fail on Condition
    • 1.1% fail on Hub components
      • 0.46% fail on Brake drums
      • 0.46% fail on Brake calipers
      • 0.31% fail on Brake pads
    • 0.31% fail on Locking devices
    • 0.31% fail on Restricted movement
    • 0.15% fail on Service brake control components
      • 0.15% fail on Pedal
        • 0.15% fail on Condition
    • 0.15% fail on Mechanical components
      • 0.15% fail on Linkage
  • 9.6% fail on Exhaust, Fuel and Emissions
    • 7.0% fail on Emissions
    • 1.5% fail on Fuel system
      • 0.76% fail on System
      • 0.46% fail on Pipe
      • 0.15% fail on Hose
      • 0.15% fail on Cap
    • 1.2% fail on Exhaust system
    • 0.31% fail on Emissions not tested
  • 6.3% fail on Suspension (38% better than other 1981 cars)
    • 2.9% fail on Prescribed areas
      • 1.8% fail on Component mounting
      • 1.2% fail on Spring mounting
    • 1.1% fail on Front suspension joints
    • 1.1% fail on Shock absorbers
      • 1.1% fail on Condition
    • 0.92% fail on Wheel bearings
      • 0.76% fail on Front
      • 0.15% fail on Rear
    • 0.76% fail on Axles
      • 0.76% fail on King pins (2 times worse than other 1981 cars)
    • 0.61% fail on Anti-roll bars
      • 0.15% fail on Linkage pins/bushes/ball joints
      • 0.15% fail on Pins/bushes/ball joints
      • 0.15% fail on Attachment
      • 0.15% fail on Linkage condition
    • 0.31% fail on Coil springs
      • 0.31% fail on Condition
    • 0.31% fail on Suspension arms
      • 0.31% fail on Pins/bushes/ball joints
    • 0.15% fail on Leaf springs
      • 0.15% fail on Anchor bracket
  • 5.5% fail on Driver's view of the road
    • 4.0% fail on Washers
    • 2.0% fail on Wipers
  • 3.8% fail on Steering
    • 3.5% fail on Steering system
      • 2.0% fail on Steering rack
      • 1.7% fail on Track rod end
    • 0.31% fail on Steering control
      • 0.15% fail on Steering wheel
      • 0.15% fail on Steering column
  • 2.1% fail on Body, Structure and General Items (49% better than other 1981 cars)
    • 0.92% fail on Seats
      • 0.76% fail on Drivers
      • 0.15% fail on Passengers
    • 0.61% fail on Body condition
    • 0.15% fail on Engine mountings
    • 0.15% fail on Speedometer
    • 0.15% fail on Vehicle structure
      • 0.15% fail on Chassis
    • 0.15% fail on Doors
      • 0.15% fail on Passengers front
  • 2.0% fail on Seat Belts and Supplementary Restraint Systems
    • 2.0% fail on Seat belts
      • 1.5% fail on Prescribed areas
      • 0.31% fail on Requirements
      • 0.31% fail on Condition
  • 1.1% fail on Tyres
    • 0.61% fail on Condition
    • 0.31% fail on Tread depth
    • 0.15% fail on Size/type
  • 0.31% fail on Road Wheels
    • 0.31% fail on Attachment
  • 0.31% fail on Registration plates and VIN
    • 0.31% fail on Registration plate

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