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MOT History from tests of diesel MERCEDES BENZ 300s year 1990

Review the list of common MERCEDES BENZ 300 failures below or to perform a specific mot history check on your MERCEDES BENZ then use our popular KnowYourCar service

mot history
Pass percent:69.84%
(The average a diesel MERCEDES BENZ 300 year 1990 passes without issue)
Based on:6,074 MOT Tests
Most common failuresNo# failures
Brake pipe excessively corroded499
Headlamp aim out of alignment334
Registration plate lamp issues207
Parking brake: efficiency below requirements |3.7.B.7|203
Brake hose excessively deteriorated145
Rear parking brake recording little or no effort123
Windscreen wiper does not clear the windscreen effectively103
Offside Rear fog lamp not working |1.3.2b|100
Rear fog lamp tell tale not working |1.3.1b|86
Registration plate issues80
Offside Front coil spring fractured |2.4.C.1a|61
Parking brake lever has no reserve travel |3.1.6b|61
Nearside Front coil spring fractured |2.4.C.1a|53
Exhaust has a major leak of exhaust gases |7.1.2|53
Anti-lock braking system warning lamp indicates an ABS fault51
Brakes imbalanced across an axle50
Fuel system component leaking |7.2.3|50
Nearside Stop lamp not working |1.2.1b|49
Front Exhaust has a major leak of exhaust gases |7.1.2|49
Rear brake binding43
Rear Exhaust has a major leak of exhaust gases |7.1.2|42
Offside Stop lamp not working |1.2.1b|40
Windscreen has damage40
Service brake: efficiency below requirements |3.7.B.7|38
Rear fog lamp not working |1.3.2b|37
Rear fog lamp switch faulty |1.3.1a|37
Fuel pipe leaking |7.2.3|35
Offside Front position lamp|s| not working |1.1.A.3b|34
Nearside Rear coil spring fractured |2.4.C.1a|32
Battery insecure |1.9.1|32
Offside Rear Rear fog lamp not working |1.3.2b|31
Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|29
Offside Side repeater not working |1.4.A.2c|27
Offside Front Track rod end ball joint has excessive play |2.2.B.1f|27
Nearside Front position lamp|s| not working |1.1.A.3b|26
Centre Exhaust has a major leak of exhaust gases |7.1.2|25
Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3|24
Rear Exhaust system not adequately supported |7.1.1|24
Emissions not tested |7.0|24
Offside Track rod end ball joint has excessive play |2.2.B.1f|23
Offside Front coil spring incomplete |2.4.C.1a|23
Offside Rear Stop lamp not working |1.2.1b|22
Offside Rear coil spring fractured |2.4.C.1a|22
Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|22
Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|21
Nearside Rear Stop lamp not working |1.2.1b|20
Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|20
Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1|20
Nearside Front coil spring incomplete |2.4.C.1a|20
Rear Rear fog lamp not working |1.3.2b|19
Nearside Front Brake hose bulging under pressure |3.6.B.3|19
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|18
Nearside Side repeater not working |1.4.A.2c|18
Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|18
Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b|18
Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|18
Offside Front wheel bearing has excessive play |2.5.A.3c|17
Offside rear brake recording little or no effort |3.7.B.5a|17
Nearside Track rod end ball joint has excessive play |2.2.B.1f|17
Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2|17
Offside Front Front position lamp|s| not working |1.1.A.3b|17
Nearside Front coil spring cracked |2.4.C.1a|16
Rear brake application uneven16
Offside Front Brake hose bulging under pressure |3.6.B.3|16
Offside Headlamp not working on dipped beam |1.7.5a|16
Nearside Rear position lamp|s| not working |1.1.A.3b|16
Offside Front coil spring cracked |2.4.C.1a|16
Offside Rear Shock absorber has negligible damping effect |2.7.5|16
Nearside Headlamp not working on dipped beam |1.7.5a|16
Nearside Front wheel bearing has excessive play |2.5.A.3c|16
Offside Rear position lamp|s| not working |1.1.A.3b|16
Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|15
Anti-lock braking system warning lamp does not illuminate |3.4.1b|14
Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|14
Nearside Front Front position lamp|s| not working |1.1.A.3b|13
Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2|13
Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2|13
Nearside rear brake recording little or no effort |3.7.B.5a|13
Exhaust system not adequately supported |7.1.1|13
Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|13
Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|13
Nearside Rear Shock absorber has negligible damping effect |2.7.5|13
Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b|13
Offside Front Body has a sharp edge caused by corrosion |6.1.C.1|12
Offside Front Side repeater not working |1.4.A.2c|12
Rear Exhaust mounting missing |7.1.1b|12
Offside Front Shock absorber has a serious fluid leak |2.7.3|12
Offside Headlamp not working on main beam |1.7.5a|12
Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|12
Offside Rear coil spring incomplete |2.4.C.1a|12
Nearside Front Track rod end ball joint has excessive play |2.2.B.1f|12
Fuel tank leaking |7.2.3|12
Rear Exhaust has part of the system excessively deteriorated |7.1.1a|12
Offside Rear rear brake recording little or no effort |3.7.B.5a|11
Nearside Rear wheel bearing has excessive play |2.6.2|11
Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|11
Fuel hose leaking |7.2.3|11
Front brake disc in such a condition that it is seriously weakened10
Nearside Headlamp not working on main beam |1.7.5a|10
Brake hose damaged10
Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|10
Nearside Rear brake disc excessively pitted |3.5.1h|10
Nearside Front Side repeater not working |1.4.A.2c|9
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|9
Rear fog lamp switch insecure |1.3.1a|9
Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|9
Nearside Rear rear brake recording little or no effort |3.7.B.5a|9
Centre Rear Statutory seat belt missing |5.1.1|9
Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|9
Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|9
Nearside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6|8
Nearside Front Shock absorber has a serious fluid leak |2.7.3|8
Exhaust has part of the system excessively deteriorated |7.1.1a|8
Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|8
Nearside Front coil spring broken |2.4.C.1a|8
Offside Headlamp insecure |1.7.3|8
Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|8
Centre Exhaust system not adequately supported |7.1.1|8
Offside Front brake disc excessively pitted |3.5.1h|8
Nearside Front Direction indicator not working |1.4.A.2c|8
Offside Front Front wheel bearing has excessive play |2.5.A.3c|8
Front Windscreen wiper not operating automatically when switched on |8.2.1b|8
Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|8
Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|8
Rear Fuel pipe leaking |7.2.3|8
Nearside Rear Direction indicator incorrect colour |1.4.A.2f|7
Nearside Front Front wheel bearing has excessive play |2.5.A.3c|7
Nearside Front brake disc excessively pitted |3.5.1h|7
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|7
Rear Mechanical brake component has restricted free movement7
Steering system excessively tight |2.2.D.1|7
Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a|7
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|7
Offside Rear Shock absorber has a serious fluid leak |2.7.3|7
Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2|7
Front Windscreen wiper blade deteriorated |8.2.2|7
Front Exhaust has part of the system excessively deteriorated |7.1.1a|7
Nearside Rear Seat belt retracting mechanism defective |5.2.5b|7
Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|6
Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|6
Offside Rear Braking system leaking |3.6.A.1|6
Rear fog lamp not working (4.5.1 (a) (ii))6
Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2|6
Parking brake: efficiency below requirements |3.7.D.4|6
Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a|6
Exhaust emits excessive smoke or vapour of any colour |7.4.B.4|6
Offside Rear coil spring cracked |2.4.C.1a|6
Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6|6
Nearside Front Headlamp not working on dipped beam |1.7.5a|6
Offside Rear Seat belt retracting mechanism defective |5.2.5b|6
Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|6
Rear Fuel hose leaking |7.2.3|6
Offside Rear Direction indicator not working |1.4.A.2c|6
Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1|6
Offside Rear brake disc excessively pitted |3.5.1h|6
Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2|6
Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3|6

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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