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MOT History from tests of diesel MERCEDES BENZ 508s year 1991

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:61.54%
(The average a diesel MERCEDES BENZ 508 year 1991 passes without issue)
Based on:91 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment10
Brakes imbalanced across an axle6
Brake pipe excessively corroded5
Service brake: efficiency below requirements |3.7.B.7|5
Service brake efficiency below requirements (1.2.2 (a) (i))4
Rear parking brake recording little or no effort4
Brake hose excessively deteriorated3
Rear brake application uneven3
Nearside rear brake recording little or no effort |3.7.B.5a|3
Fuel hose leaking |7.2.3|2
Nearside Stop lamp not working |1.2.1b|2
Offside Stop lamp not working |1.2.1b|2
Rear fog lamp tell tale not working |1.3.1b|2
Nearside Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))2
Offside rear brake recording little or no effort |3.7.B.5a|2
Horn not working |1.6.2a|2
Windscreen wiper does not clear the windscreen effectively2
Parking brake: efficiency below requirements |3.7.B.7|2
Front Drag link end ball joint has excessive play |2.2.B.1f|2
Offside Rear Direction indicator not working |1.4.A.2c|2
Nearside Upper Stop lamp not working |1.3.2a|2
Offside Rear Torque/reaction arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Front Headlamp not working on main beam |1.7.5a|1
Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Bonnet cannot be secured in the closed position |8.4.1|1
Rear brake binding1
Offside Steering lock stop incorrectly adjusted |2.2.D.2c|1
Fuel cap/sealing device sealing washer missing |7.2.4c|1
Driver`s seat insecure |6.2.A.1|1
Offside Rear Upper Direction indicator not working (4.4.1 (a) (ii))1
Rear Rear fog lamp not working (4.5.1 (a) (ii))1
Rear Rear fog lamp lens defective such that emitted light is adversely affected lens broken (4.5.1 (b) (ii))1
Windscreen washer not working 1
Horn not working (7.7 (a) (ii))1
Stop lamp(s) all not working (4.3.1 (a) (iii))1
Exhaust has a major leak of exhaust gases (6.1.2 (a))1
Nearside Front Brake hose bulging under pressure |3.6.B.3|1
Brake hose has insufficient room to move1
Hazard warning lamps inoperative |1.4.B.1b|1
Offside Side repeater insecure |1.4.A.2b|1
Nearside Rear reflector missing |1.5.1a|1
Offside Rear reflector missing |1.5.1a|1
Nearside Seat belt retracting mechanism defective |5.2.5b|1
Brake load sensing valve seized |3.6.E.3|1
Offside Side repeater not working |1.4.A.2c|1
Offside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Rear Exhaust has a major leak of exhaust gases |6.1.2 |a||1
Emissions not tested rear exhaust broken |8.2.2.2 |e||1
Nearside Rear Position lamp not working |4.2.1 |a||1
Offside Rear Braking system leaking wheel cylinder |3.6.A.1|1
Offside Front Front wheel bearing rough when rotated |2.5.A.2|1
Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|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
Offside 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
Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt rear joint |2.2.C.1c|1
Leaf spring has a deteriorated anchor pin rubber bush resulting in excessive movement front spring rear bushes |2.4.B.2|1
Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement front spring rear bushes |2.4.B.2|1
Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b|1
Hazard warning switch faulty not working |1.4.B.1d|1
Offside Rear Rear fog lamp missing |1.3.2a|1
Registration plate lamp issues1
Nearside Track rod end ball joint has excessive play |2.2.B.1f|1
Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|1
Front Front wheel bearing has excessive play |2.5.A.3c|1
Nearside Front Passengers seat backrest cannot be secured in the upright position. (6.2.6 (a) (i))1
Offside Rear Position lamp not working (4.2.1 (a) (ii))1
Offside Rear Body component likely to become detached (6.2.1 (a) (ii))1
Nearside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii))1
Fuel system component leaking (6.1.3 (b) (i))1
Nearside Side repeater not working |1.4.A.2c|1
Centre Exhaust has a major leak of exhaust gases |7.1.2|1
Nearside Headlamp not working on dipped beam |1.7.5a|1
Stop lamp not working |1.2.1b|1
Nearside Emergency exit door cannot be opened from outside the vehicle |6.2.D.1a|1
Offside Rear Stop lamp not working |1.3.2a|1
Nearside Rear position lamp|s| not working |1.1.A.3b|1
Front brake excessively fluctuating1
Nearside engine mounting bracket insecure and likely to fail |6.1.D.1b|1
Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
rear brakes release unevenly |3.7.B.4|1
Offside Outer Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Inner Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Indicator tell tale inoperative |1.4.A.2a|1
Nearside Front Headlamp aim beam image too far to the right |1.6.B4|1
Rear Body has a sharp edge caused by damage |6.1.C.1|1
Front Body has a sharp edge caused by damage |6.1.C.1|1
Fuel system component leaking |7.2.3|1
Offside Rear fog lamp not working |1.3.2b|1
Exhaust has part of the system excessively deteriorated |7.1.1a|1
Hazard warning switch insecure |1.4.B.1d|1
Hazard warning switch faulty |1.4.B.1d|1
Nearside Front Shock absorber has negligible damping effect |2.7.5|1
Offside Front Shock absorber has negligible damping effect |2.7.5|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
Offside Headlamp not working on dipped beam |1.7.5a|1
Nearside Rear Direction indicator not working |1.4.A.2c|1
Offside Rear outline marker lamp|s| not working |1.1.B.1c|1
Rear Drag link end ball joint has excessive play |2.2.B.1f|1
Nearside Front Lower Anti-roll bar has excessive play in a pin/bush |2.4.G.2|1
Offside Front Lower Anti-roll bar has excessive play in a pin/bush |2.4.G.2|1
Offside Front wheel bearing has excessive play |2.5.A.3c|1
Offside Rear Leaf spring has excessive wear in an anchor pin and/or bush |2.4.B.2|1
Brake warning device not working correctly |3.3.C.3a|1
Nearside Front Upper Anti-roll bar linkage insecure |2.4.G.1|1
Nearside Front Lower Anti-roll bar linkage insecure |2.4.G.1|1
Transmission brake efficiency below requirements |3.8.A.9/10|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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