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MOT History from tests of petrol MERCEDES BENZ 350SLs year 1979

Review the list of common MERCEDES BENZ 350SL failures below or to perform a specific mot history check on your MERCEDES BENZ then use our popular KnowYourCar service

mot history
Pass percent:70.18%
(The average a petrol MERCEDES BENZ 350SL year 1979 passes without issue)
Based on:228 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment29
Brake pipe excessively corroded11
Windscreen wiper does not clear the windscreen effectively9
Rear brake binding7
Registration plate lamp issues7
Parking brake: efficiency below requirements |3.7.B.7|6
Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|6
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|6
Offside front brake binding |3.7.B.1|5
Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|4
Mechanical brake component has restricted free movement3
Rear Mechanical brake component has restricted free movement3
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|3
Registration plate issues3
Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|3
Battery insecure |1.9.1|3
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Service brake: efficiency below requirements |3.7.B.7|3
Offside Headlamp not working on dipped beam |1.7.5a|2
Rear Exhaust mounting missing |7.1.1b|2
Brake hose has insufficient room to move2
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 retracting mechanism defective |5.2.5b|2
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|2
Exhaust has a major leak of exhaust gases |7.1.2|2
Offside Front position lamp|s| not working |1.1.A.3b|2
Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|2
Nearside Stop lamp not working |1.2.1b|2
Nearside Front Front position lamp|s| not working |1.1.A.3b|2
Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|2
Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|2
Offside Stop lamp not working |1.2.1b|2
Brakes imbalanced across an axle2
Nearside Headlamp not working on dipped beam |1.7.5a|2
Offside Rear Shock absorber has a serious fluid leak |2.7.3|2
Rear parking brake recording little or no effort2
Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1|2
Nearside Rear Stop lamp not working |1.2.1b|2
Offside Rear Stop lamp not working |1.2.1b|2
Hazard warning switch faulty |1.4.B.1d|1
Offside rear brake recording little or no effort |3.7.B.5a|1
Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a|1
Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|1
Nearside Seat belt has a cut which has significantly weakened the webbing |5.2.2a|1
Offside Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a|1
Steering box has a significant oil leak |2.2.D.2e|1
Nearside Seat belt anchorage prescribed area is excessively corroded inner and outer sill/floor |5.2.6|1
Offside Seat belt anchorage prescribed area is excessively corroded inner /outer sill/ floor |5.2.6|1
Seat belt anchorage prescribed area is excessively corroded n/s inner wing |5.2.6|1
Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b|1
Nearside Front Seat belt retracting mechanism defective |5.2.5b|1
Nearside front brake binding |3.7.B.1|1
Power steering component|s| leaking |2.3.3b|1
Exhaust emits dense blue smoke at idle |7.3.A.2b|1
Centre Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e|1
Nearside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e|1
Horn not working |1.6.2a|1
Centre Exhaust has a major leak of exhaust gases |7.1.2|1
Rear brake application uneven1
Nearside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a|1
Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a|1
Offside Front Seat belt insecurely fixed to the seat |5.2.1a|1
Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Seat belt locking mechanism does not secure or release |5.2.5a|1
Offside Seat belt has a cut which has significantly weakened the webbing |5.2.2a|1
Rear Exhaust has a part missing |7.1.1a|1
Offside Front Brake hose leaking |3.6.A.1|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
Offside Rear position lamp|s| not working |1.1.A.3b|1
Offside Rear Front position lamp|s| not working |1.1.A.3b|1
Position lamp switch faulty |1.1.A.1|1
Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Parking brake lever releases when knocked |3.1.6a|1
Offside Rear Exhaust system not adequately supported |7.1.1|1
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Nearside Inner Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
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|1
Offside Inner Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Nearside Front position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d|1
Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Front Headlamp not working on dipped beam |1.7.5a|1
Exhaust engine idle speed too high |7.3.A.2a|1
Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a|1
Nearside Rear Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Power steering pump leaking from a failed component |2.3.3b|1
Front Drag link end ball joint has excessive play Both |2.2.B.1f|1
Front Suspension arm rubber bush deteriorated resulting in excessive movement All on All Arms |2.4.G.2|1
Rear Suspension arm synthetic bush deteriorated resulting in excessive movement All |2.4.G.2|1
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Shocker mount.Inner arch area. |6.1.B.2|1
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Sill |6.1.B.2|1
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Underside Floor |6.1.B.2|1
Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Sill |6.1.B.2|1
Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Floor area |6.1.B.2|1
Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Bumper to bodywork |6.1.B.2|1
Offside Rear fog lamp not working |1.3.2b|1
Front brake excessively fluctuating1
Offside Rear Brake hose bulging under pressure |3.6.B.3|1
Offside Rear Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings sill |6.1.B.2|1
Offside Rear Sub-frame strengthening plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii))1
Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Centre Front Exhaust has a major leak of exhaust gases |7.1.2|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 Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Headlamp not working on main beam |1.7.5a|1
Offside Front Direction indicator not working |4.4.1 |a| |ii||1
Parking brake lever ratchet not holding correctly |1.1.6 |a||1
Offside Rear Parking brake inoperative on one side |1.4.1 |a||1
Front Exhaust has a major leak of exhaust gases |6.1.2 |a||1
Offside Front Direction indicator not working |1.4.A.2c|1
Nearside Seat belt flexible stalk damaged likely to lead to failure under load |5.2.4a|1
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1|1
Parking brake: efficiency below requirements |3.7.C.1b|1
Offside Front Seat belt locking mechanism does not secure or release |5.2.5a|1
Fuel system component insecure |7.2.1|1
Emissions not tested |7.0|1
Nearside Front Anti-roll bar attachment bracket/mounting fractured |2.4.G.1|1
Windscreen has damage1
Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Front Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Offside Front Driver`s door does not latch securely closed |6.2.B.1a|1
Centre Exhaust system not adequately supported |7.1.1|1
Rear Exhaust system not adequately supported |7.1.1|1
Nearside Indicator tell tale inoperative |1.4.A.2a|1
Exhaust system not adequately supported |7.1.1|1
Brake hose excessively deteriorated1
Indicator switch faulty none of indicators work |1.4.A.1|1
Front Windscreen wiper not operating automatically when switched on does not operate at all |8.2.1b|1
Nearside Front Headlamp not working on main beam |1.7.5a|1
Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3|1
Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Rear Body has a sharp edge caused by corrosion wheel arch |6.1.C.1|1
Nearside Front Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3|1
Offside Front Suspension component mounting prescribed area is excessively corroded outer sill and floor panel |2.4.A.3|1
Nearside Rear Suspension component mounting prescribed area is excessively corroded inner sill |2.4.A.3|1
Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill and inner wheel arch |2.4.A.3|1
Offside Headlamp not working on main beam |1.7.5a|1
Brake hose damaged1
Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1|1
Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Inner Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Inner Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Rear Exhaust has a major leak of exhaust gases |7.1.2|1
Fuel pipe leaking |7.2.3|1
Offside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii||1
Nearside Rear Service brake effort inadequate at a wheel |1.2.1 |a| |i||1
Nearside Front Service brake excessively binding |1.2.1 |f||1
Offside Front Service brake excessively binding |1.2.1 |f||1
Nearside Rear Service brake excessively binding |1.2.1 |f||1
Offside Rear Service brake excessively binding |1.2.1 |f||1
Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii||1
Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii||1
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Rear Fuel system component leaking |7.2.3|1
Brake fluid warning lamp inoperative |3.6.G.2|1
Rear Fuel pipe leaking |6.1.3 |b| |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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