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MOT History from tests of diesel MERCEDES BENZ 508s year 1985

Review the list of common MERCEDES BENZ 508 failures below or to perform a specific mot history check on your MERCEDES BENZ then use our popular KnowYourCar service

mot history
Pass percent:65.73%
(The average a diesel MERCEDES BENZ 508 year 1985 passes without issue)
Based on:213 MOT Tests
Most common failuresNo# failures
Brakes imbalanced across an axle24
Headlamp aim out of alignment15
Registration plate lamp issues14
Windscreen wiper does not clear the windscreen effectively14
Brake pipe excessively corroded7
Parking brake: efficiency below requirements |3.7.B.7|5
Rear parking brake recording little or no effort5
Rear brake application uneven5
Rear brake binding4
Service brake: efficiency below requirements |3.7.B.7|4
Offside Front position lamp|s| not working |1.1.A.3b|4
Front brake application uneven4
Nearside Stop lamp not working |1.2.1b|4
Offside Stop lamp not working |1.2.1b|4
Nearside Headlamp aim beam image kick up to the offside |1.8|3
Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a|3
Nearside Rear Stop lamp not working |1.2.1b|3
Offside Side repeater not working |1.4.A.2c|3
Exhaust has a major leak of exhaust gases |7.1.2|3
Stop lamp remains on when the brakes are released2
All direction indicators not working (4.4.1 (a) (ii))2
Offside Headlamp aim beam image kick up to the offside |1.8|2
Vehicle Identification Number not permanently displayed |6.3.5.a|2
Offside Rear Direction indicator not working |1.4.A.2c|2
Hazard warning tell tale not working correctly |1.4.B.1e|2
Indicator tell tale inoperative |1.4.A.2a|2
Nearside Side repeater not working |1.4.A.2c|2
Rear fog lamp not working |1.3.2b|2
Offside Rear rear brake recording little or no effort |3.7.B.5a|2
Offside Side repeater incorrect colour |1.4.A.2f|2
Nearside Front Direction indicator not working |1.4.A.2c|2
Offside Rear Stop lamp not working |1.2.1b|2
Indicator switch faulty |1.4.A.1|2
Nearside Front Side repeater not working |1.4.A.2c|2
Offside Front Direction indicator not working |1.4.A.2c|2
Offside Track rod end ball joint has excessive play |2.2.B.1f|1
Offside Seat belt has a cut which has significantly weakened the webbing |5.2.2a|1
Rear Exhaust system not adequately supported |7.1.1|1
Offside Rear Lower Anti-roll bar has excessive play in a pin/bush |2.4.G.2|1
Nearside Rear Upper Anti-roll bar has excessive play in a pin/bush |2.4.G.2|1
Nearside Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a|1
Offside Rear fog lamp missing |1.3.2a|1
Nearside Front Leaf spring fractured |2.4.B.1a|1
Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2|1
Centre Exhaust has a major leak of exhaust gases |7.1.2|1
Offside Rear Rear fog lamp does not emit a steady red light |1.3.2e|1
Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Headlamp aim beam image kick up to the offside |1.6.B1|1
Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a|1
Offside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2|1
Nearside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2|1
Nearside Rear rear brake recording little or no effort |3.7.B.5a|1
Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|1
Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a|1
Horn not working (7.7 (a))1
Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Fuel system component leaking (6.1.3 (b) (i))1
Service brake efficiency below requirements (1.2.2 (a) (i))1
Nearside Parking brake inoperative on one side (1.4.1 (a))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Parking brake efficiency below requirements |1.4.2 |a| |i||1
Oil leaking excessively from engine |8.4.1 |a| |i||1
Nearside Front Lower Shock absorbers insecurely attached |5.3.2 |a| |i||1
Nearside Front Anti-roll bar insecurely attached D bush |5.3.3 |a| |i||1
Electrical wiring insecure and connectors likely to become disconnected start switch (4.11 (a) (ii))1
Front Windscreen wiper not working (3.4 (a))1
Offside Front Position lamp not working (4.2.1 (a) (ii))1
Offside Rear Rear fog lamp missing (4.5.1 (a) (ii))1
Brake pedal has insufficient reserve travel (1.1.2 (a))1
Nearside Front Service brake excessively binding (1.2.1 (f))1
Nearside Front Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Nearside Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced inner sill near seat mounting (6.1.1 (c) (i))1
Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced inner sill near seat mounting (6.1.1 (c) (i))1
Windscreen wiper not working (3.4 (a))1
Nearside Rear Exhaust has part of the system excessively deteriorated |7.1.1a|1
Nearside Exhaust has a major leak of exhaust gases |7.1.2|1
Nearside Track rod end ball joint has excessive play |2.2.B.1f|1
Brake load sensing valve linkage defective and function impaired |3.6.E.3|1
Front Exhaust has a major leak of exhaust gases |7.1.2|1
Front Exhaust system not adequately supported |7.1.1|1
Rear fog lamp does not emit a steady red light (4.5.4 (a))1
Offside Front Front position lamp|s| not working |1.1.A.3b|1
Centre Rear Exhaust system not adequately supported |7.1.1|1
Nearside Rear Leaf spring shackle bracket loose |2.4.B.6a|1
Offside Seat belt flexible stalk cable has broken strands |5.2.4b|1
Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Nearside Front wheel bearing rough when rotated |2.5.A.2|1
Offside Rear Brake cable has restricted free movement |3.5.1k|1
Offside Rear fog lamp insecure |1.3.2a|1
Nearside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d|1
Nearside Windscreen wiper not operating automatically when switched on |8.2.1b|1
Offside Obligatory mirror missing |8.1.1|1
Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1|1
Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1|1
Nearside Rear Brake pedal does not operate a brake fitted to each wheel |3.3.A.3|1
Offside Rear Rear reflector missing |1.5.1a|1
Brake hose excessively deteriorated1
Offside front brake juddering severely |3.7.A.2b|1
Nearside front brake binding |3.7.B.1|1
Front front brake juddering severely |3.7.A.2b|1
Offside rear brake recording little or no effort |3.7.B.5a|1
Front brake excessively fluctuating1
Rear Exhaust system not adequately supported x2 |7.1.1|1
Nearside Front Headlamp not in good working order |not working| |1.2.4a|1
Offside Rear Upper All position lamps not working |1.1.A.3b|1
Nearside Rear Direction indicators not working |1.4.A.2c|1
Nearside Direction indicator flashing more than 120 times a minute |1.4.A.2g|1
Front Windscreen wiper not operating automatically when switched on |8.2.1b|1
Nearside Rear Leaf spring to axle securing bolt insecure |2.4.B.7b|1
Offside Rear Leaf spring to axle securing bolt insecure |2.4.B.7b|1
Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b|1
Windscreen washer control is inaccessible to the driver |8.2.1a|1
Nearside Side repeater incorrect colour |1.4.A.2f|1
Nearside Front Anti-roll bar has excessive play in a pin/bush `d` bush |2.4.G.2|1
Leaf spring has excessive wear in a shackle pin and/or bush o/s/f spring rear upper bush |2.4.B.2|1
Offside Rear Rear fog lamp not working |1.3.2b|1
Front Indicator tell tale inoperative |1.4.A.2a|1
Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Exhaust has a part missing |7.1.1a|1
Exhaust has part of the system excessively deteriorated |7.1.1a|1
Emissions not tested |7.0|1
Rear Stop lamp not working both sides |1.2.1b|1
Passenger`s seat insecure |6.2.A.1|1
Nearside Rear Rear position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b|1
Rear Brake load sensing valve linkage seized |3.6.E.3|1
Nearside Body has a sharp edge caused by corrosion |6.1.C.1|1
Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii||1
Rear Exhaust has a major leak of exhaust gases tail pipe burst from box |6.1.2 |a||1
Rear Exhaust system insecure tail pipe |6.1.2 |a||1
Emissions not tested due to exhaust burst |8.2.2.2 |e||1
Offside Rear Parking brake inoperative on one side |1.4.1 |a||1
Nearside Front Statutory seat belt missing |5.1.1|1
Nearside Front Passenger`s seat cannot be secured in the upright position. |6.2.A.2|1
Offside Front Side repeater not working |1.4.A.2c|1
Nearside Rear Direction indicator flashing more than 120 times a minute |1.4.A.2g|1
Offside Seat belt attachment fitting badly deteriorated |5.2.3|1
Nearside Front Shock absorber has a serious fluid leak |2.7.3|1
Steering box has a significant oil leak |2.2.D.2e|1
Nearside Front Outer Track rod end ball joint has excessive play |2.2.B.1f|1
Offside Front Drag link end ball joint has excessive play |2.2.B.1f|1
Nearside Rear Brake pipe kinked |3.6.B.2b|1
Offside Rear Brake pipe kinked |3.6.B.2b|1
Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b|1
Nearside Leaf spring fractured |2.4.B.1a|1
Offside Rear Service brake grabbing severely (1.2.1 (c))1
Front Service brake excessively binding both (1.2.1 (f))1
Windscreen wiper not working both front not working (3.4 (a))1
Offside Front Direction indicator light intensity significantly reduced (4.4.3 (a))1
Offside Front Direction indicator lens defective such that the emitted light is adversely affected dirty inside (4.4.1 (b) (ii))1
Rear Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Seat belt anchorage loose passengers seat loose, seat belts fitted to seat (7.1.1 (b))1
Passengers seat insecure (6.2.6 (a) (ii))1
Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Direction indicator not working |1.4.A.2c|1
Offside Brake cable has restricted free movement |3.5.1k|1
Nearside Headlamp not working on main beam |1.7.5a|1
Offside Headlamp not working on main beam |1.7.5a|1
Offside Rear All position lamps not working |1.1.A.3b|1
Registration plate issues1
Nearside Obligatory mirror insecure |8.1.1|1
Offside Obligatory mirror insecure |8.1.1|1
Nearside Front Body has a sharp edge caused by corrosion wheel arch |6.1.C.1|1
Exhaust system not adequately supported |7.1.1|1
Offside rear brake excessively fluctuating |3.7.B.3|1
rear parking |secondary| brakes imbalanced1
Offside Indicator tell tale inoperative |1.4.A.2a|1
Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2|1
Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Brake pipe inadequately clipped |3.6.B.1|1
Rear Brake pipe inadequately clipped |3.6.B.1|1
Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c|1
Brake load sensing valve linkage seized |3.6.E.3|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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