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MG MGB MOT Results
74.0% pass rate
from 17,721 tests in 2017
(11% better than other pre-1990 cars)
Number of tests by age
More MoT Results
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 pre-1990 cars and highlighted areas where the MG MGB is unusually good or bad.
-
14% fail on
Lamps, Reflectors and Electrical Equipment
(16% better than other pre-1990 cars)
- 3.0% fail on Headlamp aim (31% better than other pre-1990 cars)
-
2.8% fail on
Headlamps
(17% better than other pre-1990 cars)
- 2.3% fail on Headlamp (23% better than other pre-1990 cars)
-
0.31% fail on
Headlamp defects which don't require an aim check on retest
- 0.31% fail on Main beam 'tell-tale'
- 0.12% fail on Switch
-
0.079% fail on
Headlamp defects which do require an aim check on retest
- 0.079% fail on Main beam 'tell-tale'
- 0.040% fail on Dipswitch
- 0.011% fail on Matched pair
-
2.6% fail on
Position lamps
(26% better than other pre-1990 cars)
- 1.7% fail on Front lamps (20% better than other pre-1990 cars)
- 1.1% fail on Rear lamps (22% better than other pre-1990 cars)
- 0.28% fail on All position lamps
- 0.045% fail on Switch
-
2.6% fail on
Direction indicators
(25% better than other pre-1990 cars)
-
2.6% fail on
Flashing type
(25% better than other pre-1990 cars)
- 1.3% fail on Individual lamps (24% better than other pre-1990 cars)
- 1.1% fail on All direction indicators (30% worse than other pre-1990 cars)
- 0.12% fail on Tell tales (54% better than other pre-1990 cars)
- 0.090% fail on Switch
- 0.023% fail on Side repeaters (97% better than other pre-1990 cars)
-
0.0056% fail on
Semaphore
- 0.0056% fail on Switch
-
2.6% fail on
Flashing type
(25% better than other pre-1990 cars)
- 2.5% fail on Stop lamp (15% better than other pre-1990 cars)
- 2.4% fail on Registration plate lamp (12% better than other pre-1990 cars)
- 2.3% fail on Horn
-
0.86% fail on
Hazard warning
- 0.55% fail on Lamp
- 0.29% fail on Switch
- 0.090% fail on Tell tale
- 0.66% fail on Battery (46% better than other pre-1990 cars)
-
0.55% fail on
Rear fog lamp
(76% better than other pre-1990 cars)
- 0.50% fail on Fog lamp (75% better than other pre-1990 cars)
- 0.068% fail on Tell tale (84% better than other pre-1990 cars)
- 0.011% fail on Switch (92% better than other pre-1990 cars)
- 0.24% fail on Electrical wiring
- 0.14% fail on Headlamp aim not tested
- 0.0056% fail on Trailer electrical socket
-
9.9% fail on
Brakes
(15% better than other pre-1990 cars)
-
7.6% fail on
Brake performance
(9.9% better than other pre-1990 cars)
- 4.4% fail on Rear wheels (16% worse than other pre-1990 cars)
- 3.6% fail on Front wheels
- 2.4% fail on Parking brake performance (29% better than other pre-1990 cars)
- 0.63% fail on Service brake performance (57% better than other pre-1990 cars)
- 0.60% fail on Brake imbalance
- 0.18% fail on Brake performance not tested
- 0.028% fail on Brake operation (78% better than other pre-1990 cars)
- 0.011% fail on Parking brake operation
-
2.1% fail on
Hydraulic systems
(38% better than other pre-1990 cars)
-
1.6% fail on
Components
(40% better than other pre-1990 cars)
- 0.89% fail on Hoses (23% better than other pre-1990 cars)
- 0.58% fail on Pipes (58% better than other pre-1990 cars)
- 0.10% fail on Cylinders
- 0.034% fail on Reservoirs (72% better than other pre-1990 cars)
- 0.034% fail on Servos
- 0.011% fail on Valves (87% better than other pre-1990 cars)
- 0.48% fail on Leaks
- 0.16% fail on Operation
- 0.0056% fail on Brake fluid warning lamp
-
1.6% fail on
Components
(40% better than other pre-1990 cars)
-
0.74% fail on
Parking brake
- 0.74% fail on Condition
-
0.56% fail on
Hub components
(34% better than other pre-1990 cars)
- 0.23% fail on Brake pads (37% better than other pre-1990 cars)
- 0.17% fail on Brake calipers
- 0.085% fail on Brake drums
- 0.085% fail on Wheel cylinder
- 0.0056% fail on Brake discs
- 0.37% fail on Restricted movement
-
0.23% fail on
Prescribed areas
- 0.18% fail on Master cylinder/servo mounting
- 0.034% fail on Actuating linkage mounting
- 0.023% fail on Park brake mechanism/associated mountings
-
0.16% fail on
Service brake control components
(60% better than other pre-1990 cars)
-
0.16% fail on
Pedal
(60% better than other pre-1990 cars)
- 0.085% fail on Anti-slip (59% better than other pre-1990 cars)
- 0.079% fail on Condition (58% better than other pre-1990 cars)
-
0.16% fail on
Pedal
(60% better than other pre-1990 cars)
-
0.14% fail on
Mechanical components
- 0.068% fail on Cable
- 0.034% fail on Clevis joint (200% worse than other pre-1990 cars)
- 0.017% fail on Lever
- 0.011% fail on Pivot
- 0.0056% fail on Linkage
- 0.0056% fail on Stationary pin
- 0.073% fail on Locking devices (120% worse than other pre-1990 cars)
-
0.045% fail on
Air and vacuum systems
-
0.040% fail on
Components
- 0.040% fail on Servos
- 0.0056% fail on Operation
-
0.040% fail on
Components
-
7.6% fail on
Brake performance
(9.9% better than other pre-1990 cars)
-
6.0% fail on
Driver's view of the road
(16% better than other pre-1990 cars)
- 4.2% fail on Washers (12% better than other pre-1990 cars)
- 2.2% fail on Wipers (22% better than other pre-1990 cars)
- 0.11% fail on Mirrors (46% better than other pre-1990 cars)
- 0.085% fail on Windscreen (55% better than other pre-1990 cars)
- 0.079% fail on Bonnet
-
5.7% fail on
Suspension
(42% better than other pre-1990 cars)
-
2.3% fail on
Prescribed areas
(44% better than other pre-1990 cars)
- 1.3% fail on Spring mounting (42% worse than other pre-1990 cars)
- 1.0% fail on Component mounting (63% better than other pre-1990 cars)
- 0.068% fail on Subframe mounting (89% better than other pre-1990 cars)
-
1.0% fail on
Wheel bearings
(39% better than other pre-1990 cars)
- 0.83% fail on Front (25% better than other pre-1990 cars)
- 0.24% fail on Rear (64% better than other pre-1990 cars)
-
0.99% fail on
Shock absorbers
- 0.99% fail on Condition
-
0.55% fail on
Anti-roll bars
- 0.18% fail on Pins/bushes/ball joints
- 0.17% fail on Linkage pins/bushes/ball joints (37% better than other pre-1990 cars)
- 0.15% fail on Attachment
- 0.045% fail on Linkage condition
- 0.017% fail on Condition
- 0.0056% fail on Presence
-
0.48% fail on
Suspension arms
(62% better than other pre-1990 cars)
- 0.41% fail on Pins/bushes/ball joints (65% better than other pre-1990 cars)
- 0.056% fail on Attachment
- 0.017% fail on Condition (76% better than other pre-1990 cars)
-
0.41% fail on
Leaf springs
(55% worse than other pre-1990 cars)
-
0.20% fail on
Pins and bushes
(79% worse than other pre-1990 cars)
- 0.14% fail on Shackle
- 0.068% fail on Anchor (150% worse than other pre-1990 cars)
- 0.079% fail on Securing bolts
- 0.062% fail on Condition
- 0.040% fail on Anchor bracket
- 0.017% fail on Spring saddle
- 0.011% fail on Spring slippers (5 times worse than other pre-1990 cars)
- 0.0056% fail on Spring eye
- 0.0056% fail on Shackle bracket
-
0.20% fail on
Pins and bushes
(79% worse than other pre-1990 cars)
-
0.38% fail on
Axles
- 0.30% fail on King pins (120% worse than other pre-1990 cars)
- 0.062% fail on Swivel joints/housing (56% better than other pre-1990 cars)
- 0.011% fail on Axle beam
- 0.0056% fail on Stub axle
- 0.0056% fail on Clearance
- 0.38% fail on Front suspension joints (60% better than other pre-1990 cars)
-
0.18% fail on
Coil springs
(49% better than other pre-1990 cars)
- 0.14% fail on Condition (46% better than other pre-1990 cars)
- 0.040% fail on Location
- 0.15% fail on Front suspension retaining and locking devices (92% worse than other pre-1990 cars)
-
0.051% fail on
Sub-frames
(80% better than other pre-1990 cars)
- 0.034% fail on Condition (70% better than other pre-1990 cars)
- 0.017% fail on Attachment (81% better than other pre-1990 cars)
- 0.0056% fail on Pins/bushes/ball joints
-
0.034% fail on
Tie bars/rods
(79% better than other pre-1990 cars)
- 0.028% fail on Pins/bushes/ball joints (76% better than other pre-1990 cars)
- 0.0056% fail on Attachment
-
0.023% fail on
Bonded suspension
- 0.017% fail on Attachment (3 times worse than other pre-1990 cars)
- 0.0056% fail on Condition
-
0.023% fail on
Drive shafts
(98% better than other pre-1990 cars)
-
0.023% fail on
Any drive shaft which is part of the suspension
(80% better than other pre-1990 cars)
- 0.023% fail on Universal joint
-
0.023% fail on
Any drive shaft which is part of the suspension
(80% better than other pre-1990 cars)
- 0.017% fail on General condition
-
0.011% fail on
Torque/reaction arms
- 0.0056% fail on Pins/bushes/ball joints
- 0.0056% fail on Attachment
-
0.0056% fail on
Fluid suspension
- 0.0056% fail on Suspension unit
-
0.0056% fail on
Trailing arms
- 0.0056% fail on Pins/bushes/ball joints
-
0.0056% fail on
Radius arms
- 0.0056% fail on Attachment
-
2.3% fail on
Prescribed areas
(44% better than other pre-1990 cars)
-
5.2% fail on
Exhaust, Fuel and Emissions
(10% better than other pre-1990 cars)
- 2.6% fail on Emissions
-
1.5% fail on
Fuel system
- 0.83% fail on System (81% worse than other pre-1990 cars)
- 0.29% fail on Pipe
- 0.15% fail on Cap (50% better than other pre-1990 cars)
- 0.12% fail on Hose
- 0.10% fail on Tank
- 1.3% fail on Exhaust system (46% better than other pre-1990 cars)
- 0.18% fail on Emissions not tested
-
3.6% fail on
Steering
(22% better than other pre-1990 cars)
-
3.1% fail on
Steering system
(14% better than other pre-1990 cars)
- 1.8% fail on Steering rack (44% worse than other pre-1990 cars)
- 1.2% fail on Track rod end
-
0.11% fail on
Free play
(50% better than other pre-1990 cars)
- 0.11% fail on Steering rack
- 0.0056% fail on Steering box
- 0.040% fail on Steering arm (69% better than other pre-1990 cars)
-
0.040% fail on
Other components
(72% better than other pre-1990 cars)
- 0.034% fail on Steering pivot point (70% better than other pre-1990 cars)
- 0.0056% fail on Steering component
- 0.028% fail on Ball joint (90% better than other pre-1990 cars)
- 0.0056% fail on Steering box
- 0.0056% fail on Drag link end
-
0.30% fail on
Steering control
- 0.16% fail on Steering wheel
- 0.090% fail on Steering column (50% better than other pre-1990 cars)
- 0.028% fail on Steering shaft
-
0.028% fail on
Steering coupling
(74% better than other pre-1990 cars)
- 0.028% fail on Universal joint
- 0.0056% fail on Steering lock
- 0.16% fail on Steering operation
- 0.056% fail on Prescribed areas (59% better than other pre-1990 cars)
- 0.034% fail on Locking devices (77% better than other pre-1990 cars)
-
0.017% fail on
Power steering
(95% better than other pre-1990 cars)
- 0.011% fail on Rams
- 0.0056% fail on Operation
-
3.1% fail on
Steering system
(14% better than other pre-1990 cars)
-
2.1% fail on
Body, Structure and General Items
(41% better than other pre-1990 cars)
-
0.59% fail on
Vehicle structure
(44% better than other pre-1990 cars)
- 0.59% fail on Chassis (44% better than other pre-1990 cars)
-
0.59% fail on
Seats
- 0.46% fail on Drivers
- 0.21% fail on Passengers
- 0.55% fail on Body condition (59% better than other pre-1990 cars)
-
0.29% fail on
Doors
(50% better than other pre-1990 cars)
- 0.17% fail on Passengers front (39% better than other pre-1990 cars)
- 0.14% fail on Drivers
- 0.011% fail on Passengers other (91% better than other pre-1990 cars)
- 0.15% fail on Speedometer
- 0.045% fail on Engine mountings
-
0.023% fail on
Load security
- 0.017% fail on Bootlid
- 0.0056% fail on Access panel
- 0.011% fail on Body security
-
0.59% fail on
Vehicle structure
(44% better than other pre-1990 cars)
-
1.6% fail on
Seat Belts and Supplementary Restraint Systems
(27% better than other pre-1990 cars)
-
1.6% fail on
Seat belts
(27% better than other pre-1990 cars)
- 0.96% fail on Prescribed areas (36% better than other pre-1990 cars)
- 0.42% fail on Condition
- 0.21% fail on Attachment
- 0.023% fail on Requirements (85% better than other pre-1990 cars)
-
0.0056% fail on
Installation check
- 0.0056% fail on Anchorage's
-
1.6% fail on
Seat belts
(27% better than other pre-1990 cars)
-
1.3% fail on
Tyres
(40% better than other pre-1990 cars)
- 0.79% fail on Condition (37% better than other pre-1990 cars)
- 0.45% fail on Tread depth (51% better than other pre-1990 cars)
- 0.10% fail on Size/type
- 0.045% fail on Valve stem
-
0.57% fail on
Road Wheels
(100% worse than other pre-1990 cars)
- 0.45% fail on Attachment (88% worse than other pre-1990 cars)
- 0.11% fail on Condition (160% worse than other pre-1990 cars)
- 0.017% fail on Hubs (4 times worse than other pre-1990 cars)
- 0.0056% fail on Halfshafts
-
0.34% fail on
Registration plates and VIN
(58% better than other pre-1990 cars)
- 0.30% fail on Registration plate (61% better than other pre-1990 cars)
- 0.045% fail on Vehicle Identification Number
-
0.017% fail on
Towbars
(92% better than other pre-1990 cars)
- 0.011% fail on Vehicle structure (94% better than other pre-1990 cars)
- 0.0056% fail on Towbar
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