MOT History from tests of diesel MERCEDES BENZ 300s year 1993

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:71.50%

(The average a diesel MERCEDES BENZ 300 year 1993 passes without issue)

Based on:6,583 MOT Tests

Most common failures	No# failures
Brake pipe excessively corroded	474
Headlamp aim out of alignment	370
Parking brake: efficiency below requirements \|3.7.B.7\|	190
Brake hose excessively deteriorated	170
Registration plate lamp issues	135
Windscreen wiper does not clear the windscreen effectively	125
Rear parking brake recording little or no effort	93
Registration plate issues	92
Parking brake lever has no reserve travel \|3.1.6b\|	60
Nearside Stop lamp not working \|1.2.1b\|	59
Offside Rear fog lamp not working \|1.3.2b\|	59
Front Exhaust has a major leak of exhaust gases \|7.1.2\|	57
Anti-lock braking system warning lamp indicates an ABS fault	56
Offside Front coil spring fractured \|2.4.C.1a\|	51
Fuel system component leaking \|7.2.3\|	47
Offside Stop lamp not working \|1.2.1b\|	46
Brakes imbalanced across an axle	44
Nearside Front coil spring fractured \|2.4.C.1a\|	42
Exhaust has a major leak of exhaust gases \|7.1.2\|	41
Offside Front Track rod end ball joint has excessive play \|2.2.B.1f\|	39
Offside Front position lamp\|s\| not working \|1.1.A.3b\|	38
Exhaust emits an excessive level of metered smoke for a non-turbo charged engine \|7.4.B.3b\|	37
Rear Exhaust has a major leak of exhaust gases \|7.1.2\|	37
Nearside Front position lamp\|s\| not working \|1.1.A.3b\|	35
Offside Track rod end ball joint has excessive play \|2.2.B.1f\|	34
Fuel pipe leaking \|7.2.3\|	32
Rear brake binding	30
Service brake: efficiency below requirements \|3.7.B.7\|	28
Offside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	26
Nearside Rear Shock absorber has a serious fluid leak \|2.7.3\|	26
Offside Front coil spring incomplete \|2.4.C.1a\|	24
Nearside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	23
Nearside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	23
Windscreen has damage	23
Rear fog lamp not working \|1.3.2b\|	22
Battery insecure \|1.9.1\|	22
Offside Rear Stop lamp not working \|1.2.1b\|	20
Rear brake application uneven	20
Offside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	20
Rear fog lamp tell tale not working \|1.3.1b\|	20
Offside Rear coil spring fractured \|2.4.C.1a\|	20
Nearside Side repeater not working \|1.4.A.2c\|	19
Nearside Front Track rod end ball joint has excessive play \|2.2.B.1f\|	19
Offside Rear Subframe mounting prescribed area is excessively corroded \|2.4.A.3\|	19
Nearside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	19
Emissions not tested \|7.0\|	18
Nearside Front Front position lamp\|s\| not working \|1.1.A.3b\|	18
Nearside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	18
Centre Exhaust has a major leak of exhaust gases \|7.1.2\|	18
Offside Rear wheel bearing has excessive play \|2.6.2\|	17
Offside Rear Rear fog lamp not working \|1.3.2b\|	16
Exhaust system not adequately supported \|7.1.1\|	16
Offside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	16
Nearside Rear Subframe mounting prescribed area is excessively corroded \|2.4.A.3\|	16
Nearside Front suspension has excessive play in a lower suspension ball joint \|2.5.B.1a\|	16
Offside Rear position lamp\|s\| not working \|1.1.A.3b\|	15
Nearside Rear wheel bearing has excessive play \|2.6.2\|	15
Offside Side repeater not working \|1.4.A.2c\|	14
Exhaust emits excessive smoke or vapour of any colour \|7.4.B.4\|	14
Nearside Rear Stop lamp not working \|1.2.1b\|	14
Brake load sensing valve linkage defective and function impaired \|3.6.E.3\|	14
Nearside Rear position lamp\|s\| not working \|1.1.A.3b\|	13
Offside Front suspension has excessive play in a lower suspension ball joint \|2.5.B.1a\|	13
Offside Rear Shock absorber has a serious fluid leak \|2.7.3\|	13
Nearside Rear coil spring fractured \|2.4.C.1a\|	13
Nearside Front coil spring incomplete \|2.4.C.1a\|	13
Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement \|2.4.G.2\|	13
Offside Front Body has a sharp edge caused by corrosion \|6.1.C.1\|	12
Front brake disc in such a condition that it is seriously weakened	12
Offside Front coil spring broken \|2.4.C.1a\|	12
Rear Exhaust system not adequately supported \|7.1.1\|	12
Parking brake efficiency below requirements (1.4.2 (a) (i))	11
Offside rear brake recording little or no effort \|3.7.B.5a\|	11
Exhaust emits an excessive level of metered smoke for a turbo charged engine \|7.4.B.3b\|	11
Nearside Rear Position lamp not working (4.2.1 (a) (ii))	11
Nearside Track rod end ball joint has excessive play \|2.2.B.1f\|	11
Fuel hose leaking \|7.2.3\|	11
Centre Rear Statutory seat belt missing \|5.1.1\|	11
Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement \|2.4.G.2\|	11
Nearside Front Lower Suspension arm has excessive play in a ball joint \|2.4.G.2\|	11
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	10
Offside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	10
Nearside rear brake recording little or no effort \|3.7.B.5a\|	10
Offside Outer Track rod end ball joint has excessive play \|2.2.B.1f\|	10
Fuel tank leaking \|7.2.3\|	10
Rear Rear fog lamp not working \|1.3.2b\|	10
Nearside Front coil spring broken \|2.4.C.1a\|	9
Front Windscreen wiper blade deteriorated \|8.2.2\|	9
Nearside Rear position lamp\|s\| incorrect colour \|1.1.A.3e\|	9
Exhaust has part of the system excessively deteriorated \|7.1.1a\|	9
Nearside Headlamp not working on dipped beam \|1.7.5a\|	9
Offside Front Anti-roll bar has excessive play in a pin/bush \|2.4.G.2\|	9
Offside Rear Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	9
Rear fog lamp not working (4.5.1 (a) (ii))	9
Offside Rear rear brake recording little or no effort \|3.7.B.5a\|	8
Nearside Front wheel bearing has excessive play \|2.5.A.3c\|	8
Nearside Front Direction indicator incorrect colour \|1.4.A.2f\|	8
Offside Headlamp not in good working order adversely affecting beam image \|1.2.4a\|	8
Nearside Rear coil spring incomplete \|2.4.C.1a\|	8
Nearside Front Position lamp not working (4.2.1 (a) (ii))	8
Rear Exhaust mounting missing \|7.1.1b\|	8
Offside Headlamp not working on dipped beam \|1.7.5a\|	8
Nearside Front Anti-roll bar has excessive play in a pin/bush \|2.4.G.2\|	8
Front Exhaust system not adequately supported \|7.1.1\|	8
Offside Front Front position lamp\|s\| not working \|1.1.A.3b\|	8
Offside Front Lower Suspension arm has excessive play in a ball joint \|2.4.G.2\|	8
Nearside Rear rear brake recording little or no effort \|3.7.B.5a\|	7
Offside Front Anti-roll bar attachment bracket/mounting fractured \|2.4.G.1\|	7
Offside Rear Brake pipe leaking \|3.6.A.1\|	7
Brake performance not tested \|3.7.A.1\|	7
Centre Exhaust system not adequately supported \|7.1.1\|	7
Front Exhaust has a major leak of exhaust gases (6.1.2 (a))	7
Offside Headlamp not working on main beam \|1.7.5a\|	7
Offside Front coil spring cracked \|2.4.C.1a\|	7
Rear Exhaust has part of the system excessively deteriorated \|7.1.1a\|	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 Front Body has a sharp edge caused by corrosion \|6.1.C.1\|	7
Offside Outer Front Track rod end ball joint has excessive play \|2.2.B.1f\|	7
Nearside Front Front wheel bearing has excessive play \|2.5.A.3c\|	7
Nearside Front Front suspension has excessive play in a lower suspension ball joint \|2.5.B.1a\|	7
Offside Front Coil spring fractured or broken (5.3.1 (b) (i))	7
Nearside Rear Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	7
Horn not working \|1.6.2a\|	6
Front brake application uneven	6
Offside Front wheel bearing has excessive play \|2.5.A.3c\|	6
Offside Front Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	6
Windscreen washer not working	6
Offside front brake binding \|3.7.B.1\|	6
Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))	6
Front Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Nearside Front Headlamp not working on dipped beam \|1.7.5a\|	6
Offside Rear coil spring incomplete \|2.4.C.1a\|	6
Offside Rear Shock absorber has negligible damping effect \|2.7.5\|	6
Offside Headlamp insecure \|1.7.3\|	6
Offside Obligatory mirror insecure \|8.1.1\|	6
Front Exhaust has part of the system excessively deteriorated \|7.1.1a\|	6
Nearside Front coil spring cracked \|2.4.C.1a\|	6
Offside Front Direction indicator incorrect colour \|1.4.A.2f\|	6
Offside Front Position lamp not working (4.2.1 (a) (ii))	6
Nearside Front Suspension arm has excessive play in a ball joint \|2.4.G.2\|	6
Fuel cap/sealing device missing \|7.2.4a\|	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.

Got suggestions? We’re improving this section all the time. If you have any suggestions, please let us know.

Most common failures	No# failures
Brake pipe excessively corroded	474
Headlamp aim out of alignment	370
Parking brake: efficiency below requirements \|3.7.B.7\|	190
Brake hose excessively deteriorated	170
Registration plate lamp issues	135
Windscreen wiper does not clear the windscreen effectively	125
Rear parking brake recording little or no effort	93
Registration plate issues	92
Parking brake lever has no reserve travel \|3.1.6b\|	60
Nearside Stop lamp not working \|1.2.1b\|	59
Offside Rear fog lamp not working \|1.3.2b\|	59
Front Exhaust has a major leak of exhaust gases \|7.1.2\|	57
Anti-lock braking system warning lamp indicates an ABS fault	56
Offside Front coil spring fractured \|2.4.C.1a\|	51
Fuel system component leaking \|7.2.3\|	47
Offside Stop lamp not working \|1.2.1b\|	46
Brakes imbalanced across an axle	44
Nearside Front coil spring fractured \|2.4.C.1a\|	42
Exhaust has a major leak of exhaust gases \|7.1.2\|	41
Offside Front Track rod end ball joint has excessive play \|2.2.B.1f\|	39
Offside Front position lamp\|s\| not working \|1.1.A.3b\|	38
Exhaust emits an excessive level of metered smoke for a non-turbo charged engine \|7.4.B.3b\|	37
Rear Exhaust has a major leak of exhaust gases \|7.1.2\|	37
Nearside Front position lamp\|s\| not working \|1.1.A.3b\|	35
Offside Track rod end ball joint has excessive play \|2.2.B.1f\|	34
Fuel pipe leaking \|7.2.3\|	32
Rear brake binding	30
Service brake: efficiency below requirements \|3.7.B.7\|	28
Offside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	26
Nearside Rear Shock absorber has a serious fluid leak \|2.7.3\|	26
Offside Front coil spring incomplete \|2.4.C.1a\|	24
Nearside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	23
Nearside Front Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	23
Windscreen has damage	23
Rear fog lamp not working \|1.3.2b\|	22
Battery insecure \|1.9.1\|	22
Offside Rear Stop lamp not working \|1.2.1b\|	20
Rear brake application uneven	20
Offside Rear Suspension component mounting prescribed area is excessively corroded \|2.4.A.3\|	20
Rear fog lamp tell tale not working \|1.3.1b\|	20
Offside Rear coil spring fractured \|2.4.C.1a\|	20
Nearside Side repeater not working \|1.4.A.2c\|	19
Nearside Front Track rod end ball joint has excessive play \|2.2.B.1f\|	19
Offside Rear Subframe mounting prescribed area is excessively corroded \|2.4.A.3\|	19
Nearside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	19
Emissions not tested \|7.0\|	18
Nearside Front Front position lamp\|s\| not working \|1.1.A.3b\|	18
Nearside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	18
Centre Exhaust has a major leak of exhaust gases \|7.1.2\|	18
Offside Rear wheel bearing has excessive play \|2.6.2\|	17
Offside Rear Rear fog lamp not working \|1.3.2b\|	16
Exhaust system not adequately supported \|7.1.1\|	16
Offside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	16
Nearside Rear Subframe mounting prescribed area is excessively corroded \|2.4.A.3\|	16
Nearside Front suspension has excessive play in a lower suspension ball joint \|2.5.B.1a\|	16
Offside Rear position lamp\|s\| not working \|1.1.A.3b\|	15
Nearside Rear wheel bearing has excessive play \|2.6.2\|	15
Offside Side repeater not working \|1.4.A.2c\|	14
Exhaust emits excessive smoke or vapour of any colour \|7.4.B.4\|	14
Nearside Rear Stop lamp not working \|1.2.1b\|	14
Brake load sensing valve linkage defective and function impaired \|3.6.E.3\|	14
Nearside Rear position lamp\|s\| not working \|1.1.A.3b\|	13
Offside Front suspension has excessive play in a lower suspension ball joint \|2.5.B.1a\|	13
Offside Rear Shock absorber has a serious fluid leak \|2.7.3\|	13
Nearside Rear coil spring fractured \|2.4.C.1a\|	13
Nearside Front coil spring incomplete \|2.4.C.1a\|	13
Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement \|2.4.G.2\|	13
Offside Front Body has a sharp edge caused by corrosion \|6.1.C.1\|	12
Front brake disc in such a condition that it is seriously weakened	12
Offside Front coil spring broken \|2.4.C.1a\|	12
Rear Exhaust system not adequately supported \|7.1.1\|	12
Parking brake efficiency below requirements (1.4.2 (a) (i))	11
Offside rear brake recording little or no effort \|3.7.B.5a\|	11
Exhaust emits an excessive level of metered smoke for a turbo charged engine \|7.4.B.3b\|	11
Nearside Rear Position lamp not working (4.2.1 (a) (ii))	11
Nearside Track rod end ball joint has excessive play \|2.2.B.1f\|	11
Fuel hose leaking \|7.2.3\|	11
Centre Rear Statutory seat belt missing \|5.1.1\|	11
Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement \|2.4.G.2\|	11
Nearside Front Lower Suspension arm has excessive play in a ball joint \|2.4.G.2\|	11
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	10
Offside Rear Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	10
Nearside rear brake recording little or no effort \|3.7.B.5a\|	10
Offside Outer Track rod end ball joint has excessive play \|2.2.B.1f\|	10
Fuel tank leaking \|7.2.3\|	10
Rear Rear fog lamp not working \|1.3.2b\|	10
Nearside Front coil spring broken \|2.4.C.1a\|	9
Front Windscreen wiper blade deteriorated \|8.2.2\|	9
Nearside Rear position lamp\|s\| incorrect colour \|1.1.A.3e\|	9
Exhaust has part of the system excessively deteriorated \|7.1.1a\|	9
Nearside Headlamp not working on dipped beam \|1.7.5a\|	9
Offside Front Anti-roll bar has excessive play in a pin/bush \|2.4.G.2\|	9
Offside Rear Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	9
Rear fog lamp not working (4.5.1 (a) (ii))	9
Offside Rear rear brake recording little or no effort \|3.7.B.5a\|	8
Nearside Front wheel bearing has excessive play \|2.5.A.3c\|	8
Nearside Front Direction indicator incorrect colour \|1.4.A.2f\|	8
Offside Headlamp not in good working order adversely affecting beam image \|1.2.4a\|	8
Nearside Rear coil spring incomplete \|2.4.C.1a\|	8
Nearside Front Position lamp not working (4.2.1 (a) (ii))	8
Rear Exhaust mounting missing \|7.1.1b\|	8
Offside Headlamp not working on dipped beam \|1.7.5a\|	8
Nearside Front Anti-roll bar has excessive play in a pin/bush \|2.4.G.2\|	8
Front Exhaust system not adequately supported \|7.1.1\|	8
Offside Front Front position lamp\|s\| not working \|1.1.A.3b\|	8
Offside Front Lower Suspension arm has excessive play in a ball joint \|2.4.G.2\|	8
Nearside Rear rear brake recording little or no effort \|3.7.B.5a\|	7
Offside Front Anti-roll bar attachment bracket/mounting fractured \|2.4.G.1\|	7
Offside Rear Brake pipe leaking \|3.6.A.1\|	7
Brake performance not tested \|3.7.A.1\|	7
Centre Exhaust system not adequately supported \|7.1.1\|	7
Front Exhaust has a major leak of exhaust gases (6.1.2 (a))	7
Offside Headlamp not working on main beam \|1.7.5a\|	7
Offside Front coil spring cracked \|2.4.C.1a\|	7
Rear Exhaust has part of the system excessively deteriorated \|7.1.1a\|	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 Front Body has a sharp edge caused by corrosion \|6.1.C.1\|	7
Offside Outer Front Track rod end ball joint has excessive play \|2.2.B.1f\|	7
Nearside Front Front wheel bearing has excessive play \|2.5.A.3c\|	7
Nearside Front Front suspension has excessive play in a lower suspension ball joint \|2.5.B.1a\|	7
Offside Front Coil spring fractured or broken (5.3.1 (b) (i))	7
Nearside Rear Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	7
Horn not working \|1.6.2a\|	6
Front brake application uneven	6
Offside Front wheel bearing has excessive play \|2.5.A.3c\|	6
Offside Front Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	6
Windscreen washer not working	6
Offside front brake binding \|3.7.B.1\|	6
Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))	6
Front Windscreen wiper not operating automatically when switched on \|8.2.1b\|	6
Nearside Front Headlamp not working on dipped beam \|1.7.5a\|	6
Offside Rear coil spring incomplete \|2.4.C.1a\|	6
Offside Rear Shock absorber has negligible damping effect \|2.7.5\|	6
Offside Headlamp insecure \|1.7.3\|	6
Offside Obligatory mirror insecure \|8.1.1\|	6
Front Exhaust has part of the system excessively deteriorated \|7.1.1a\|	6
Nearside Front coil spring cracked \|2.4.C.1a\|	6
Offside Front Direction indicator incorrect colour \|1.4.A.2f\|	6
Offside Front Position lamp not working (4.2.1 (a) (ii))	6
Nearside Front Suspension arm has excessive play in a ball joint \|2.4.G.2\|	6
Fuel cap/sealing device missing \|7.2.4a\|	6

MOT History from tests of diesel MERCEDES BENZ 300s year 1993

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