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MOT History from tests of petrol MERCEDES BENZ 450s year 1975

Review the list of common MERCEDES BENZ 450 failures below or to perform a specific mot history check on your MERCEDES BENZ then use our popular KnowYourCar service

mot history
Pass percent:73.11%
(The average a petrol MERCEDES BENZ 450 year 1975 passes without issue)
Based on:305 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment16
Rear brake binding10
Brake pipe excessively corroded8
Rear Mechanical brake component has restricted free movement7
Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|6
Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|6
Parking brake: efficiency below requirements |3.7.B.7|5
Indicator switch faulty |1.4.A.1|5
Offside Stop lamp not working |1.2.1b|5
Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|4
Horn not working |1.6.2a|4
Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|4
Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6|4
Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6|4
Registration plate issues4
Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|4
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|4
Windscreen wiper does not clear the windscreen effectively4
Windscreen washer not working 4
Offside Front Seat belt insecurely fixed to the seat |5.2.1a|3
Fuel system component leaking |7.2.3|3
Front Exhaust has a major leak of exhaust gases |7.1.2|3
Rear Exhaust has a major leak of exhaust gases |7.1.2|3
Offside Headlamp not working on main beam |1.7.5a|3
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|3
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Driver`s seat cannot be secured in the upright position. |6.2.A.2|3
Brake hose excessively deteriorated3
Offside front brake binding |3.7.B.1|3
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|2
Exhaust has a major leak of exhaust gases |7.1.2|2
Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f|2
Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f|2
Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|2
Battery insecure |1.9.1|2
Nearside Rear position lamp|s| not working |1.1.A.3b|2
Offside Rear position lamp|s| not working |1.1.A.3b|2
Offside Driver`s seat cannot be secured in the upright position. |6.2.A.2|2
Nearside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h|2
Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Direction indicators not working |1.4.A.2c|2
Registration plate lamp issues2
Nearside Stop lamp not working |1.2.1b|2
Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Offside Front Seat belt locking mechanism does not secure or release |5.2.5a|2
Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|2
Nearside Windscreen wiper not operating automatically when switched on |8.2.1b|2
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Nearside Passenger`s seat cannot be secured in the upright position. |6.2.A.2|2
Nearside front brake binding |3.7.B.1|2
Brakes imbalanced across an axle2
Service brake: efficiency below requirements |3.7.B.7|2
Exhaust mounting missing |7.1.1b|1
Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3|1
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Outer Steering locking device missing track rod locking pin |2.2.C.1g|1
Offside Outer Steering locking device missing track rod locking pin |2.2.C.1g|1
Fuel system component leaking fuel pump |7.2.3|1
Offside Rear Inner Subframe mounting prescribed area is excessively corroded sill |2.4.A.3|1
Rear Brake pipe inadequately clipped |3.6.B.1|1
Nearside Rear Subframe mounting prescribed area is inadequately repaired |2.4.A.3|1
Offside Rear Subframe mounting prescribed area is inadequately repaired |2.4.A.3|1
Nearside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a|1
Offside Drag link end ball joint has excessive play |2.2.B.1f|1
Rear Fuel hose leaking |7.2.3|1
Offside Front Shock absorber has a serious fluid leak |2.7.3|1
Nearside Front passenger seat cannot be secured in the upright position. |6.2.4|1
Nearside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings all rust marked in yellow |6.1.B.2|1
Offside Headlamp not working on dipped beam |1.7.5a|1
Offside Inner Track rod end ball joint has excessive play |2.1.3 |b| |i||1
Main beam `tell-tale` not working |1.7.4c|1
Nearside Seat belt retracting mechanism defective |5.2.5b|1
Offside Rear Inner Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3|1
Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Brake hose damaged1
Offside Front position lamp|s| not working |1.1.A.3b|1
Nearside Rear Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a|1
Nearside Indicator tell tale inoperative |1.4.A.2a|1
Hazard warning lamps inoperative |1.4.B.1b|1
Hazard warning tell tale not working correctly |1.4.B.1e|1
Nearside Electrical wiring insecure |1.9.2a|1
Nearside Electrical wiring inadequately supported |1.9.2a|1
Offside Electrical wiring insecure |1.9.2a|1
Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a|1
Centre Exhaust system not adequately supported |7.1.1|1
Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Rear Fuel pipe leaking |7.2.3|1
Offside Windscreen wiper not operating automatically when switched on |8.2.1b|1
Nearside Headlamp not working on main beam |1.7.5a|1
Semaphore indicator tell tale not working correctly |1.4.C.2|1
Nearside Rear Body or chassis is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Brake hose leaking |3.6.A.1|1
Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1|1
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Front Direction indicator not working |1.4.A.2c|1
Offside Front front brake binding |3.7.B.1|1
Offside Rear front brake binding |3.7.B.1|1
Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Brake fluid warning lamp illuminated |3.6.G.2|1
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings outer sill |6.1.B.2|1
Nearside Front Seat belt affected by an insecure seat fixing |5.2.1b|1
Outer Exhaust has part of the system excessively deteriorated |7.1.1a|1
Nearside Front Seat belt anchorage prescribed area is excessively corroded inner sill to floor |5.2.6|1
Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Front passenger seat cannot be secured in the upright position. |6.2.4|1
Offside Front Ball joint has excessive play |2.2.B.1f|1
Nearside Front front brake binding |3.7.B.1|1
front brakes release unevenly |3.7.B.4|1
Offside Front Driver`s seat cannot be secured in the upright position. |6.2.A.2|1
Nearside Front Driver`s seat cannot be secured in the upright position. |6.2.A.2|1
Front Fuel pipe leaking |7.2.3|1
Nearside Front Headlamp aim beam image too far to the left |1.6.B4|1
Offside Front Headlamp aim beam image too far to the left |1.6.B4|1
Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a|1
Nearside Headlamp not working on dipped beam |1.7.5a|1
Front Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Offside Rear Horn not working |1.6.2a|1
Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Brake hose has insufficient room to move1
Rear Exhaust system not adequately supported |7.1.1|1
Nearside Front Seat belt insecurely fixed to the seat |5.2.1a|1
Fuel hose leaking |7.2.3|1
Mechanical brake component has restricted free movement1
Offside Rear Shock absorber has a serious fluid leak |2.7.3|1
Rear Exhaust emissions carbon monoxide content excessive |7.3.B.1a|1
Rear Exhaust emissions hydrocarbon content excessive |7.3.B.1b|1
Nearside Rear Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2|1
Offside Rear Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Front rear brake recording little or no effort |3.7.B.5a|1
Nearside Rear rear brake recording little or no effort |3.7.B.5a|1
Offside Front rear brake recording little or no effort |3.7.B.5a|1
Offside Rear rear brake recording little or no effort |3.7.B.5a|1
Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Brake performance not tested |3.7.A.1|1
Nearside Front Passenger`s seat cannot be secured in the upright position. |6.2.A.2|1
Nearside Front Anti-roll bar linkage missing |2.4.G.1|1
Offside Front Anti-roll bar linkage missing |2.4.G.1|1
Direction indicators flashing less than 60 times a minute |1.4.A.2g|1
Hazard warning switch faulty |1.4.B.1d|1
Offside Front Obligatory mirror missing |3.3 |a||1
Horn not working |7.7 |a| |ii||1
Offside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i))1
Offside Rear Inner Suspension component mounting prescribed area is inadequately repaired sill (5.3.6 (a) (i))1
Horn not working (7.7 (a) (ii))1
Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii))1
Offside Front Inner Track rod end ball joint has excessive play (2.1.3 (b) (i))1
Central Rear Exhaust system insecure (6.1.2 (a))1
Nearside Front Sub-frame pin or bush excessively worn Rear bush on front sub-frame. (5.3.4 (a) (i))1
Offside Front Sub-frame pin or bush excessively worn Rear bush on front sub-frame. (5.3.4 (a) (i))1

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.

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