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MOT History from tests of petrol MERCEDES BENZ SLs year 1989

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

mot history
Pass percent:79.24%
(The average a petrol MERCEDES BENZ SL year 1989 passes without issue)
Based on:2,644 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment159
Windscreen wiper does not clear the windscreen effectively59
Exhaust emissions carbon monoxide content excessive (7.3.B.1a)33
Brake pipe excessively corroded31
Anti-lock braking system warning lamp indicates an ABS fault28
Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)28
Registration plate issues22
Brakes imbalanced across an axle18
Brake hose excessively deteriorated17
Registration plate lamp issues15
Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))15
Rear brake binding15
Service brake: efficiency below requirements (3.7.B.7)14
Parking brake: efficiency below requirements (3.7.B.7)13
Hazard warning switch faulty (1.4.B.1d)12
Exhaust has a major leak of exhaust gases (7.1.2)11
Centre Exhaust has a major leak of exhaust gases (7.1.2)10
Nearside Front Brake hose bulging under pressure (3.6.B.3)9
Fuel system component leaking (7.2.3)9
Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)9
Offside Stop lamp not working (1.2.1b)8
Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)8
Windscreen washer not working 8
Offside Front position lamp(s) not working (1.1.A.3b)7
Offside Front Brake hose bulging under pressure (3.6.B.3)7
Offside Rear position lamp(s) not working (1.1.A.3b)7
Direction indicators not working (1.4.A.2c)7
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)7
Nearside Stop lamp not working (1.2.1b)7
Rear fog lamp not working (4.5.1 (a) (ii))6
Rear fog lamp not working (1.3.2b)6
Rear parking brake recording little or no effort6
Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)6
Offside Headlamp not working on main beam (1.7.5a)6
Parking brake efficiency below requirements (1.4.2 (a) (i))5
Rear Exhaust has a major leak of exhaust gases (7.1.2)5
Exhaust system not adequately supported (7.1.1)5
Hazard warning lamps inoperative (1.4.B.1b)5
Nearside Front Service brake excessively binding (1.2.1 (f))5
Nearside Headlamp not working on main beam (1.7.5a)5
Rear fog lamp tell tale not working (1.3.1b)5
Power steering component(s) leaking (2.3.3b)5
Drivers seat fore and aft adjustment mechanism not functioning as intended. (6.2.A.3)5
Offside Rear fog lamp not working (1.3.2b)5
Front brake excessively fluctuating5
Parking brake lever has no reserve travel (3.1.6b)5
Offside Front Anti-roll bar attachment bracket/mounting corroded and its strength is seriously reduced (2.4.G.1)4
Offside Headlamp aim beam image kick up to the offside (1.8)4
Offside Headlamp aim beam image obviously incorrect (1.8.A.1b)4
Offside Front Steering component mounting prescribed area is excessively corroded (2.2.C.1h)4
Hazard warning tell tale not working correctly (1.4.B.1e)4
Horn not working (1.6.2a)4
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)4
Nearside Rear Shock absorber has a serious fluid leak (2.7.3)4
Offside Side repeater not working (1.4.A.2c)4
Hazard warning lamps not flashing in phase, with ignition on (1.4.B.1f)4
Hazard warning lamps not flashing in phase, with ignition off (1.4.B.1f)4
Rear Fuel system component leaking (7.2.3)4
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)4
Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b)4
Rear Exhaust has part of the system excessively deteriorated (7.1.1a)3
Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.A.1)3
Battery insecure (1.9.1)3
Central Exhaust has a major leak of exhaust gases (6.1.2 (a))3
Offside Front Front position lamp(s) not working (1.1.A.3b)3
Front brake application uneven3
Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)3
Hazard warning switch inoperative (4.4.2 (a) (ii))3
Offside Rear Subframe mounting prescribed area is excessively corroded (2.4.A.3)3
Exhaust emissions hydrocarbon content excessive (7.3.B.1b)3
Offside Headlamp not in good working order adversely affecting beam image (1.2.4a)3
Offside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d)3
Nearside Front Brake hose bulging under pressure (1.1.12 (d))3
Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))3
Offside Front Position lamp not working (4.2.1 (a) (ii))3
Rear Exhaust mounting missing (7.1.1b)3
Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))3
Steering damper leaking oil (2.2.C.1f)3
Centre Exhaust system not adequately supported (7.1.1)3
Brake hose damaged3
Nearside Front position lamp(s) not working (1.1.A.3b)3
Offside Front Headlamp not working on main beam (4.1.1 (a) (ii))2
Steering box has a significant oil leak (2.2.D.2e)2
Front Steering damper leaking oil (2.2.C.1f)2
Nearside Front front brake binding (3.7.B.1)2
Nearside Front Direction indicator not working (1.4.A.2c)2
Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)2
Stop lamp(s) all not working (4.3.1 (a) (iii))2
Offside Front Direction indicator not working (4.4.1 (a) (ii))2
Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))2
Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))2
Nearside Front Sub-frame rubber bush deteriorated resulting in excessive movement (2.4.G.2)2
Fuel system component insecure (7.2.1)2
Front Exhaust has a major leak of exhaust gases (7.1.2)2
Nearside Track rod end ball joint has excessive play (2.2.B.1f)2
Parking brake is not capable of being maintained in operation by direct mechanical action only (3.1.2)2
Offside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)2
Nearside Front Upper Sub-frame rubber bush deteriorated resulting in excessive movement (2.4.G.2)2
Offside Front Headlamp not in good working order adversely affecting beam image (1.2.4a)2
Rear brake application uneven2
Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))2
Oil leaking excessively from engine (8.4.1 (a) (i))2
Rear fog lamp switch inoperative (4.5.3 (a) (ii))2
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))2
Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))2
Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))2
Front Windscreen wiper blade deteriorated (8.2.2)2
Offside Rear Service brake excessively binding (1.2.1 (f))2
Front Windscreen wiper not operating automatically when switched on (8.2.1b)2
Offside rear brake recording little or no effort (3.7.B.5a)2
Nearside Front Brake pipe inadequately clipped (3.6.B.1)2
Nearside Rear Position lamp not working (4.2.1 (a))2
Anti-lock braking system warning lamp does not illuminate (3.4.1b)2
Nearside Front Headlamp aim beam image kick up to the offside (1.8)2
Offside Front Headlamp aim beam image kick up to the offside (1.8)2
Offside Front Coil spring fractured or broken (5.3.1 (b) (i))2
Nearside Front Steering component mounting prescribed area is excessively corroded (2.2.C.1h)2
Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)2
Front Exhaust has a major leak of exhaust gases (6.1.2 (a))2
Offside Front Brake hose leaking (3.6.A.1)2
Drivers seat fore and aft adjustment mechanism not functioning as intended. (6.2.5 (b) (i))2
Service brake efficiency below requirements (1.2.2 (a) (i))2
Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))2
Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))2
Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))2
Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)2
Mechanical brake component has restricted free movement2
Nearside Headlamp aim beam image kick up to the offside (1.8)2
Offside Stop lamp(s) not working (4.3.1 (a) (ii))2
Nearside Front Direction indicator not working (4.4.1 (a) (ii))2
Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded (5.2.6)2
Offside Front front brake binding (3.7.B.1)2
Offside Rear Stop lamp not working (1.2.1b)2
Offside Exhaust system not adequately supported (7.1.1)2
Nearside Rear position lamp(s) not working (1.1.A.3b)2
Centre Exhaust mounting missing (7.1.1b)2
Centre Steering damper leaking oil (2.2.C.1f)2
Nearside Suspension component mounting prescribed area is excessively corroded (2.4.A.3)2
Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))2
Offside rear brake excessively fluctuating (3.7.B.3)2
Nearside front brake binding (3.7.B.1)2
Offside Headlamp not working on dipped beam (1.7.5a)2
Centre Exhaust has part of the system excessively deteriorated (7.1.1a)2

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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