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MOT History from tests of diesel MERCEDES BENZ A-CLASSs year 2009

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

mot history
Pass percent:75.92%
(The average a diesel MERCEDES BENZ A-CLASS year 2009 passes without issue)
Based on:29,850 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment1477
Brake pipe excessively corroded917
Registration plate lamp issues367
Windscreen wiper does not clear the windscreen effectively280
Exhaust emits an excessive level of metered smoke |7.4.B.3a|254
Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))191
Nearside Front Shock absorbers has a serious fluid leak168
Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a))162
Parking brake efficiency below requirements (1.4.2 (a) (i))162
Brakes imbalanced across an axle156
Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))150
Windscreen washer not working 127
Offside Front Shock absorbers has a serious fluid leak118
Offside Headlamp aim beam image obviously incorrect |1.8.A.1b|116
Registration plate issues114
Nearside Headlamp not working on dipped beam |1.7.5a|112
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|108
Offside Headlamp not working on dipped beam |1.7.5a|106
Offside Rear coil spring broken |2.4.C.1a|96
Parking brake: efficiency below requirements |3.7.B.7|91
Nearside Side repeater not working (4.4.1 (a) (ii))91
Horn not working (7.7 (a) (ii))84
Rear brake disc in such a condition that it is seriously weakened82
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))82
Nearside Side repeater not working |1.4.A.2c|79
Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a||78
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))73
Nearside Rear coil spring broken |2.4.C.1a|70
Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))68
Offside Side repeater not working (4.4.1 (a) (ii))68
Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))67
Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))67
Offside Side repeater not working |1.4.A.2c|66
Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))62
Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))60
Supplementary Restraint System warning lamp indicates a fault |5.4.2|55
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))55
Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))55
Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c))54
Parking brake lever has no reserve travel |3.1.6b|53
Offside Rear Coil spring fractured or broken |5.3.1 |b| |i||53
Horn not working (7.7 (a))53
Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))52
Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i||50
Horn not working |1.6.2a|49
Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))49
Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))48
Parking brake efficiency below requirements |1.4.2 |a| |i||47
Offside Front Headlamp not working on dipped beam |1.7.5a|47
Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))47
Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))47
Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b|45
Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))45
Front brake disc in such a condition that it is seriously weakened43
Horn not working |7.7 |a| |ii||43
Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b|42
Offside Front Coil spring fractured or broken (5.3.1 (b) (i))42
Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))39
Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b))38
Service brake efficiency below requirements (1.2.2 (a) (i))38
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))37
Nearside Front Headlamp not working on dipped beam |1.7.5a|36
Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))36
Nearside Front Shock absorber has a serious fluid leak |2.7.3|34
Rear parking brake recording little or no effort34
Windscreen has damage33
Rear brake binding32
Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))32
Brake lever has insufficient reserve travel (1.1.2 (a))32
Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))31
Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))30
Offside Rear Service brake excessively binding (1.2.1 (f))30
Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b||29
Offside Rear Parking brake inoperative on one side (1.4.1 (a))28
Service brake: efficiency below requirements |3.7.B.7|27
Offside Front Shock absorber has a serious fluid leak |2.7.3|26
Nearside Side repeater not working |4.4.1 |a| |ii||26
Anti-lock braking system warning lamp indicates an ABS fault26
Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii||25
Nearside Headlamp insecure |1.7.3|25
Offside Front Service brake excessively binding (1.2.1 (f))25
Nearside Stop lamp not working |1.2.1b|24
Offside Front Side repeater not working |1.4.A.2c|23
Nearside Front coil spring broken |2.4.C.1a|23
Nearside Front Side repeater not working (4.4.1 (a) (ii))23
Front brake excessively fluctuating22
Offside Side repeater not working |4.4.1 |a| |ii||22
Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))22

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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