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MOT History from tests of petrol MERCEDES BENZ 450SLs year 1978

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

mot history
Pass percent:76.36%
(The average a petrol MERCEDES BENZ 450SL year 1978 passes without issue)
Based on:110 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment7
Windscreen wiper does not clear the windscreen effectively4
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|4
Registration plate lamp issues3
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e|2
Offside Front Front position lamp|s| incorrect colour |1.1.A.3e|2
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Service brake: efficiency below requirements |3.7.B.7|2
Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|2
Centre Exhaust has a major leak of exhaust gases |7.1.2|2
Brake hose excessively deteriorated2
Registration plate issues2
Offside Front Seat belt insecurely fixed to the seat |5.2.1a|1
Brake pipe excessively corroded1
Nearside Windscreen wiper blade deteriorated |8.2.2|1
Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength at inner sill |5.3.6 |a| |i||1
Offside Front Service brake excessively binding |1.2.1 |f||1
Offside Front Seat belt locking mechanism does not secure or release |5.2.5a|1
Rear Exhaust system not adequately supported support rubber missing |7.1.1|1
Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings outer sill holed |6.1.B.2|1
Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings inner sill holed |6.1.B.2|1
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Brake hose damaged1
Brake pedal has insufficient reserve movement |3.3.A.5|1
Brakes imbalanced across an axle1
Rear Exhaust has part of the system excessively deteriorated |7.1.1a|1
Rear Exhaust has a major leak of exhaust gases |7.1.2|1
Offside Front Brake hose excessively damaged |3.6.B.4d|1
Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h|1
Nearside Headlamp not working on main beam |1.7.5a|1
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|1
Nearside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h|1
Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h|1
Rear Fuel hose leaking |7.2.3|1
Offside Windscreen wiper blade deteriorated |8.2.2|1
front brake binding both front brakes binding |3.7.B.1|1
Brake pedal spongy excessive travel on brake pedal |3.3.B.1b|1
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings body floor corroded through n/s and o/s in several places |6.1.B.2|1
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings n/s and o/s rear floor sections next to rear spriong top mounts corroded through |6.1.B.2|1
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings inner wing corroded through |6.1.B.2|1
Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Rear Shock absorber has negligible damping effect |2.7.5|1
Offside Rear Shock absorber has negligible damping effect |2.7.5|1
Nearside Rear Shock absorber has a serious fluid leak |2.7.3|1
Nearside Front position lamp|s| not working |1.1.A.3b|1
Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Exhaust has a major leak of exhaust gases |7.1.2|1
rear brake recording little or no effort |3.7.B.5a|1
Offside front brake binding |3.7.B.1|1
Rear brake binding1
Nearside Headlamp aim beam image kick up to the offside |1.6.B1|1
Nearside Front Brake hose leaking |3.6.A.1|1
Semaphore indicator switch faulty |1.4.C.1c|1
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Offside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Offside Outer Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2|1
Power steering component|s| leaking |2.3.3b|1
Nearside Front Sub-frame has excessive play in a pin/bush |2.4.G.2|1
Offside Front Sub-frame has excessive play in a pin/bush |2.4.G.2|1
Nearside Headlamp aim beam image kick up to the offside |1.8|1
Offside Headlamp aim beam image kick up to the offside |1.8|1
Offside Front Direction indicator not working |1.4.A.2c|1
Offside Rear Direction indicator not working |1.4.A.2c|1
Offside Rear Rear fog lamp missing |1.3.2a|1
Nearside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Power steering pipe|s| or hose|s| leaking |2.3.3b|1
Offside Headlamp aim beam image kick up to the offside |1.6.B1|1
Horn not working |1.6.2a|1
Exhaust system not adequately supported |7.1.1|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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