MOT History from tests of petrol MG Bs year 1969

Review the list of common MG B failures below or to perform a specific mot history check on your MG then use our popular KnowYourCar service

mot history

Pass percent:76.63%

(The average a petrol MG B year 1969 passes without issue)

Based on:7,047 MOT Tests

Most common failures	No# failures
Headlamp aim out of alignment	257
Brakes imbalanced across an axle	150
Parking brake: efficiency below requirements \|3.7.B.7\|	149
Registration plate lamp issues	141
Windscreen wiper does not clear the windscreen effectively	132
Horn not working \|1.6.2a\|	126
Rear brake binding	91
Rear parking brake recording little or no effort	82
Rear brake application uneven	67
Offside Stop lamp not working \|1.2.1b\|	65
Nearside Stop lamp not working \|1.2.1b\|	61
Offside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	53
Nearside Headlamp not working on main beam \|1.7.5a\|	45
Fuel system component leaking \|7.2.3\|	44
Nearside Headlamp not working on dipped beam \|1.7.5a\|	43
Offside Headlamp not working on dipped beam \|1.7.5a\|	41
Offside Headlamp not working on main beam \|1.7.5a\|	40
Nearside Front position lamp\|s\| not working \|1.1.A.3b\|	38
Nearside Steering rack gaiter split \|2.2.D.2d\|	37
Service brake: efficiency below requirements \|3.7.B.7\|	36
Nearside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	35
Brake hose excessively deteriorated	32
Offside Steering rack gaiter split \|2.2.D.2d\|	32
Brake pipe excessively corroded	31
Parking brake lever has no reserve travel \|3.1.6b\|	30
Offside Front position lamp\|s\| not working \|1.1.A.3b\|	27
Registration plate issues	26
Nearside Rear Wheel insecure \|4.2.A.1c\|	25
Offside Rear Wheel insecure \|4.2.A.1c\|	22
Nearside rear brake recording little or no effort \|3.7.B.5a\|	22
Offside rear brake recording little or no effort \|3.7.B.5a\|	20
Nearside Front wheel bearing has excessive play \|2.5.A.3c\|	20
Stop lamp not working \|1.2.1b\|	19
Direction indicators not working \|1.4.A.2c\|	19
Nearside Front Wheel insecure \|4.2.A.1c\|	19
Offside Front wheel bearing rough when rotated \|2.5.A.2\|	18
Windscreen washer not working	18
Direction indicators flashing less than 60 times a minute \|1.4.A.2g\|	18
Offside Front wheel bearing has excessive play \|2.5.A.3c\|	18
Front Exhaust has a major leak of exhaust gases \|7.1.2\|	17
Nearside Rear Shock absorber has a serious fluid leak \|2.7.3\|	17
Offside Front Steering rack gaiter split \|2.2.D.2d\|	17
Rear Exhaust system not adequately supported \|7.1.1\|	16
Rear Exhaust has a major leak of exhaust gases \|7.1.2\|	16
Offside Rear Shock absorber has a serious fluid leak \|2.7.3\|	15
Battery insecure \|1.9.1\|	15
Nearside Front wheel bearing rough when rotated \|2.5.A.2\|	15
Offside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	15
Offside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	15
Nearside Front Steering rack gaiter split \|2.2.D.2d\|	15
Nearside Rear Stop lamp not working \|1.2.1b\|	14
Offside Front Wheel insecure \|4.2.A.1c\|	14
Rear Mechanical brake component has restricted free movement	14
Offside Front Headlamp not working on dipped beam \|1.7.5a\|	13
Nearside Front Shock absorber has a serious fluid leak \|2.7.3\|	13
Nearside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	12
Offside front brake binding \|3.7.B.1\|	12
Nearside Front Direction indicator not working \|1.4.A.2c\|	12
Nearside Rear rear brake recording little or no effort \|3.7.B.5a\|	12
Offside Rear Stop lamp not working \|1.2.1b\|	12
Exhaust has a major leak of exhaust gases \|7.1.2\|	12
Brake pedal anti-slip provision missing \|3.3.A.1b\|	11
Driver`s seat insecure \|6.2.A.1\|	11
Front brake application uneven	10
Nearside Front Headlamp not working on dipped beam \|1.7.5a\|	10
Fuel pipe leaking \|7.2.3\|	10
Offside Front Front wheel bearing has excessive play \|2.5.A.3c\|	10
Rear Stop lamp not working \|1.2.1b\|	9
Nearside Front Headlamp not working on main beam \|1.7.5a\|	9
Nearside Front Front wheel bearing has excessive play \|2.5.A.3c\|	9
Offside Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	9
Brake hose has insufficient room to move	9
Nearside Rear Direction indicator not working \|1.4.A.2c\|	9
Offside Front Shock absorber has a serious fluid leak \|2.7.3\|	9
Offside Rear position lamp\|s\| not working \|1.1.A.3b\|	9
Centre Exhaust has a major leak of exhaust gases \|7.1.2\|	9
Brake hose damaged	8
Nearside Front Front position lamp\|s\| not working \|1.1.A.3b\|	8
Dipswitch operation does not deflect all main beam headlamps to make them dipped beams \|1.7.4b\|	8
Nearside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	8
Brake pedal spongy \|3.3.B.1b\|	8
Offside Obligatory mirror missing \|8.1.1\|	8
Indicator switch faulty \|1.4.A.1\|	8
Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	8
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	8
Offside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	8
Nearside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	8
Offside Front Headlamp not working on main beam \|1.7.5a\|	7
rear brakes release unevenly \|3.7.B.4\|	7
Offside Front Front position lamp\|s\| not working \|1.1.A.3b\|	7
Nearside Front Front wheel bearing rough when rotated \|2.5.A.2\|	7
Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	7
Brake performance not tested \|3.7.A.1\|	7
Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering \|2.5.A.3a\|	7
Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering \|2.5.A.3a\|	7
Offside Rear Service brake excessively binding \|1.2.1 \|f\|\|	7
Offside Front Direction indicator not working \|1.4.A.2c\|	7
Steering wheel retaining device insecure \|2.1.6\|	7
Offside Rear Fuel system component leaking \|7.2.3\|	7
Nearside Front Track rod end ball joint has excessive play \|2.2.B.1f\|	7
Offside Track rod end ball joint has excessive play \|2.2.B.1f\|	7
Centre Exhaust system not adequately supported \|7.1.1\|	7
Parking brake efficiency below requirements (1.4.2 (a) (i))	7
Offside Front front brake binding \|3.7.B.1\|	7
Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement \|2.4.G.2\|	6
Offside Rear Suspension spring mounting prescribed area is inadequately repaired \|2.4.A.3\|	6
Offside Battery insecure \|1.9.1\|	6
Headlamp switch faulty \|1.7.1\|	6
Offside Rear Wheel nut\|s\| loose \|4.2.A.1e\|	6
Offside Rear Direction indicator not working \|1.4.A.2c\|	6
Nearside Headlamp aim beam image obviously incorrect \|1.8.A.1b\|	6
Offside Rear rear brake recording little or no effort \|3.7.B.5a\|	6
Nearside Rear wheel bearing has excessive play \|2.6.2\|	6
Front Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Nearside Rear Braking system leaking \|3.6.A.1\|	6
Offside Rear wheel bearing has excessive play \|2.6.2\|	6
Nearside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	6
Offside Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Windscreen has damage	6
Offside Front Shock absorber has negligible damping effect \|2.7.5\|	6
Nearside Headlamp aim beam image kick up to the offside \|1.8\|	6
Offside Headlamp aim beam image kick up to the offside \|1.8\|	6
Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Headlamp not working on dipped beam \|1.7.5a\|	6
Offside Windscreen wiper blade deteriorated \|8.2.2\|	6
Rear Fuel system component leaking \|7.2.3\|	6
Fuel pipe union leaking \|7.2.3\|	5
Nearside Front Road wheel spoke excessively loose \|4.2.A.1b\|	5
Fuel hose leaking \|7.2.3\|	5
Speedometer cannot be illuminated. \|6.7.3\|	5
Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement \|2.4.G.2\|	5
Offside Headlamp insecure \|1.7.3\|	5
Parking brake: efficiency below requirements \|3.7.C.1b\|	5
Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt \|2.2.C.1c\|	5
Nearside front brake binding \|3.7.B.1\|	5
Nearside Front Wheel nut\|s\| loose \|4.2.A.1e\|	5
Fuel system component leaking pump \|7.2.3\|	5
Offside Front Shock absorber insecure \|2.7.2b\|	5
Horn not working (7.7 (a) (ii))	5
Offside Seat belt retracting mechanism defective \|5.2.5b\|	5
Offside Front Seat belt retracting mechanism defective \|5.2.5b\|	5
Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt \|2.2.C.1c\|	5
Offside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	5
Nearside Rear position lamp\|s\| not working \|1.1.A.3b\|	5
Headlamp not working on main beam \|1.7.5a\|	5
Offside Headlamp aim beam image obviously incorrect \|1.8.A.1b\|	5
All position lamps not working \|1.1.A.3b\|	5
Nearside Rear position lamp\|s\| adversely affected by the operation of another lamp \|1.1.A.3f\|	5
Brake master cylinder/servo mounting prescribed area is excessively corroded \|3.6.C.3\|	5
Nearside Direction indicators not working \|1.4.A.2c\|	5
Nearside Front Direction indicators not working \|1.4.A.2c\|	5
Nearside Front front brake binding \|3.7.B.1\|	5
Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	5
Offside Stop lamp adversely affected by the operation of another lamp \|1.2.1f\|	5
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	5
Nearside Rear Wheel nut\|s\| loose \|4.2.A.1e\|	5
Nearside Front Shock absorber has negligible damping effect \|2.7.5\|	5
Offside Rear position lamp\|s\| adversely affected by the operation of another lamp \|1.1.A.3f\|	5
Offside Indicator tell tale inoperative \|1.4.A.2a\|	5

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

Got suggestions? We’re improving this section all the time. If you have any suggestions, please let us know.

Most common failures	No# failures
Headlamp aim out of alignment	257
Brakes imbalanced across an axle	150
Parking brake: efficiency below requirements \|3.7.B.7\|	149
Registration plate lamp issues	141
Windscreen wiper does not clear the windscreen effectively	132
Horn not working \|1.6.2a\|	126
Rear brake binding	91
Rear parking brake recording little or no effort	82
Rear brake application uneven	67
Offside Stop lamp not working \|1.2.1b\|	65
Nearside Stop lamp not working \|1.2.1b\|	61
Offside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	53
Nearside Headlamp not working on main beam \|1.7.5a\|	45
Fuel system component leaking \|7.2.3\|	44
Nearside Headlamp not working on dipped beam \|1.7.5a\|	43
Offside Headlamp not working on dipped beam \|1.7.5a\|	41
Offside Headlamp not working on main beam \|1.7.5a\|	40
Nearside Front position lamp\|s\| not working \|1.1.A.3b\|	38
Nearside Steering rack gaiter split \|2.2.D.2d\|	37
Service brake: efficiency below requirements \|3.7.B.7\|	36
Nearside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	35
Brake hose excessively deteriorated	32
Offside Steering rack gaiter split \|2.2.D.2d\|	32
Brake pipe excessively corroded	31
Parking brake lever has no reserve travel \|3.1.6b\|	30
Offside Front position lamp\|s\| not working \|1.1.A.3b\|	27
Registration plate issues	26
Nearside Rear Wheel insecure \|4.2.A.1c\|	25
Offside Rear Wheel insecure \|4.2.A.1c\|	22
Nearside rear brake recording little or no effort \|3.7.B.5a\|	22
Offside rear brake recording little or no effort \|3.7.B.5a\|	20
Nearside Front wheel bearing has excessive play \|2.5.A.3c\|	20
Stop lamp not working \|1.2.1b\|	19
Direction indicators not working \|1.4.A.2c\|	19
Nearside Front Wheel insecure \|4.2.A.1c\|	19
Offside Front wheel bearing rough when rotated \|2.5.A.2\|	18
Windscreen washer not working	18
Direction indicators flashing less than 60 times a minute \|1.4.A.2g\|	18
Offside Front wheel bearing has excessive play \|2.5.A.3c\|	18
Front Exhaust has a major leak of exhaust gases \|7.1.2\|	17
Nearside Rear Shock absorber has a serious fluid leak \|2.7.3\|	17
Offside Front Steering rack gaiter split \|2.2.D.2d\|	17
Rear Exhaust system not adequately supported \|7.1.1\|	16
Rear Exhaust has a major leak of exhaust gases \|7.1.2\|	16
Offside Rear Shock absorber has a serious fluid leak \|2.7.3\|	15
Battery insecure \|1.9.1\|	15
Nearside Front wheel bearing rough when rotated \|2.5.A.2\|	15
Offside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	15
Offside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	15
Nearside Front Steering rack gaiter split \|2.2.D.2d\|	15
Nearside Rear Stop lamp not working \|1.2.1b\|	14
Offside Front Wheel insecure \|4.2.A.1c\|	14
Rear Mechanical brake component has restricted free movement	14
Offside Front Headlamp not working on dipped beam \|1.7.5a\|	13
Nearside Front Shock absorber has a serious fluid leak \|2.7.3\|	13
Nearside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	12
Offside front brake binding \|3.7.B.1\|	12
Nearside Front Direction indicator not working \|1.4.A.2c\|	12
Nearside Rear rear brake recording little or no effort \|3.7.B.5a\|	12
Offside Rear Stop lamp not working \|1.2.1b\|	12
Exhaust has a major leak of exhaust gases \|7.1.2\|	12
Brake pedal anti-slip provision missing \|3.3.A.1b\|	11
Driver`s seat insecure \|6.2.A.1\|	11
Front brake application uneven	10
Nearside Front Headlamp not working on dipped beam \|1.7.5a\|	10
Fuel pipe leaking \|7.2.3\|	10
Offside Front Front wheel bearing has excessive play \|2.5.A.3c\|	10
Rear Stop lamp not working \|1.2.1b\|	9
Nearside Front Headlamp not working on main beam \|1.7.5a\|	9
Nearside Front Front wheel bearing has excessive play \|2.5.A.3c\|	9
Offside Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	9
Brake hose has insufficient room to move	9
Nearside Rear Direction indicator not working \|1.4.A.2c\|	9
Offside Front Shock absorber has a serious fluid leak \|2.7.3\|	9
Offside Rear position lamp\|s\| not working \|1.1.A.3b\|	9
Centre Exhaust has a major leak of exhaust gases \|7.1.2\|	9
Brake hose damaged	8
Nearside Front Front position lamp\|s\| not working \|1.1.A.3b\|	8
Dipswitch operation does not deflect all main beam headlamps to make them dipped beams \|1.7.4b\|	8
Nearside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	8
Brake pedal spongy \|3.3.B.1b\|	8
Offside Obligatory mirror missing \|8.1.1\|	8
Indicator switch faulty \|1.4.A.1\|	8
Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	8
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	8
Offside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	8
Nearside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	8
Offside Front Headlamp not working on main beam \|1.7.5a\|	7
rear brakes release unevenly \|3.7.B.4\|	7
Offside Front Front position lamp\|s\| not working \|1.1.A.3b\|	7
Nearside Front Front wheel bearing rough when rotated \|2.5.A.2\|	7
Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	7
Brake performance not tested \|3.7.A.1\|	7
Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering \|2.5.A.3a\|	7
Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering \|2.5.A.3a\|	7
Offside Rear Service brake excessively binding \|1.2.1 \|f\|\|	7
Offside Front Direction indicator not working \|1.4.A.2c\|	7
Steering wheel retaining device insecure \|2.1.6\|	7
Offside Rear Fuel system component leaking \|7.2.3\|	7
Nearside Front Track rod end ball joint has excessive play \|2.2.B.1f\|	7
Offside Track rod end ball joint has excessive play \|2.2.B.1f\|	7
Centre Exhaust system not adequately supported \|7.1.1\|	7
Parking brake efficiency below requirements (1.4.2 (a) (i))	7
Offside Front front brake binding \|3.7.B.1\|	7
Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement \|2.4.G.2\|	6
Offside Rear Suspension spring mounting prescribed area is inadequately repaired \|2.4.A.3\|	6
Offside Battery insecure \|1.9.1\|	6
Headlamp switch faulty \|1.7.1\|	6
Offside Rear Wheel nut\|s\| loose \|4.2.A.1e\|	6
Offside Rear Direction indicator not working \|1.4.A.2c\|	6
Nearside Headlamp aim beam image obviously incorrect \|1.8.A.1b\|	6
Offside Rear rear brake recording little or no effort \|3.7.B.5a\|	6
Nearside Rear wheel bearing has excessive play \|2.6.2\|	6
Front Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Nearside Rear Braking system leaking \|3.6.A.1\|	6
Offside Rear wheel bearing has excessive play \|2.6.2\|	6
Nearside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	6
Offside Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Windscreen has damage	6
Offside Front Shock absorber has negligible damping effect \|2.7.5\|	6
Nearside Headlamp aim beam image kick up to the offside \|1.8\|	6
Offside Headlamp aim beam image kick up to the offside \|1.8\|	6
Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Headlamp not working on dipped beam \|1.7.5a\|	6
Offside Windscreen wiper blade deteriorated \|8.2.2\|	6
Rear Fuel system component leaking \|7.2.3\|	6
Fuel pipe union leaking \|7.2.3\|	5
Nearside Front Road wheel spoke excessively loose \|4.2.A.1b\|	5
Fuel hose leaking \|7.2.3\|	5
Speedometer cannot be illuminated. \|6.7.3\|	5
Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement \|2.4.G.2\|	5
Offside Headlamp insecure \|1.7.3\|	5
Parking brake: efficiency below requirements \|3.7.C.1b\|	5
Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt \|2.2.C.1c\|	5
Nearside front brake binding \|3.7.B.1\|	5
Nearside Front Wheel nut\|s\| loose \|4.2.A.1e\|	5
Fuel system component leaking pump \|7.2.3\|	5
Offside Front Shock absorber insecure \|2.7.2b\|	5
Horn not working (7.7 (a) (ii))	5
Offside Seat belt retracting mechanism defective \|5.2.5b\|	5
Offside Front Seat belt retracting mechanism defective \|5.2.5b\|	5
Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt \|2.2.C.1c\|	5
Offside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	5
Nearside Rear position lamp\|s\| not working \|1.1.A.3b\|	5
Headlamp not working on main beam \|1.7.5a\|	5
Offside Headlamp aim beam image obviously incorrect \|1.8.A.1b\|	5
All position lamps not working \|1.1.A.3b\|	5
Nearside Rear position lamp\|s\| adversely affected by the operation of another lamp \|1.1.A.3f\|	5
Brake master cylinder/servo mounting prescribed area is excessively corroded \|3.6.C.3\|	5
Nearside Direction indicators not working \|1.4.A.2c\|	5
Nearside Front Direction indicators not working \|1.4.A.2c\|	5
Nearside Front front brake binding \|3.7.B.1\|	5
Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	5
Offside Stop lamp adversely affected by the operation of another lamp \|1.2.1f\|	5
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	5
Nearside Rear Wheel nut\|s\| loose \|4.2.A.1e\|	5
Nearside Front Shock absorber has negligible damping effect \|2.7.5\|	5
Offside Rear position lamp\|s\| adversely affected by the operation of another lamp \|1.1.A.3f\|	5
Offside Indicator tell tale inoperative \|1.4.A.2a\|	5

MOT History from tests of petrol MG Bs year 1969

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