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MOT History from tests of diesel MERCEDES BENZ GLs year 2020

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

mot history
Pass percent:93.41%
(The average a diesel MERCEDES BENZ GL year 2020 passes without issue)
Based on:4,767 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment73
Windscreen wiper does not clear the windscreen effectively40
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))21
Registration plate issues20
Horn not working (7.7 (a))12
Nearside Front Road wheel fixing missing (5.2.1 (a) (i))11
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))7
Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))5
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))5
Windscreen washer not working 4
Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))4
Front brake disc in such a condition that it is seriously weakened3
Rear brake disc in such a condition that it is seriously weakened3
Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))3
Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))3
Offside Rear Shock absorbers has a serious fluid leak3
Central Rear Seat belt buckle not functioning as intended (7.1.2 (d))2
Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))2
Brakes imbalanced across an axle2
Front Windscreen wiper not working (3.4 (a))2
Nearside Side repeater not working (4.4.1 (a) (ii))2
Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))2
Front Brake disc significantly and obviously worn (1.1.14 (a) (i))2
Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))2
Nearside Headlamp insecure (4.1.1 (c))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Front Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Headlamp aim unable to be tested (4.1.2 (b))1
Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Nearside Front Side repeater not working (4.4.1 (a) (ii))1
Offside Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Rear Seat belt webbing significantly weakened (7.1.2 (b) (ii))1
Offside Front Position lamp not working (4.2.1 (a) (ii))1
Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a))1
Offside Front Upper Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))1
Front Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))1
Nearside Rear Seat belt damaged 3rd seat row (7.1.2 (b) (i))1
Offside Rear Seat belt damaged 3rd seat row (7.1.2 (b) (i))1
Drivers seat fore and aft adjustment mechanism not functioning as intended. (6.2.5 (b) (i))1
Front Windscreen damaged and affecting the drivers view of the road FRONT WINDSCREEN CRACKED IN FIELD OF VIEW (3.2 (a) (ii))1
Nearside Rear Seat belt buckle not functioning as intended Second row passenger side seat belt buckle (7.1.2 (d))1
Nearside Front Shock absorbers insecurely attached (5.3.2 (a) (i))1
Offside Side repeater not working (4.4.1 (a) (ii))1
Supplementary restraint system warning lamp indicates a fault Airbag Light (7.1.6 (a))1
Nearside Rear Seat belt not functioning as intended 2nd row belt webbing twisted (7.1.2 (c))1
Nearside Front Direction indicator not working mirror (4.4.1 (a) (ii))1
Central Rear Seat belt buckle missing (7.1.2 (d))1
Windscreen in an unacceptable condition Cracked across more than 50% of windscreen (3.2 (c) (i))1
Windscreen in an unacceptable condition Windscreen in an unacceptable condition Cracked across more than 50% of windscreen (3.2 (c) (i))1
Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i))1
Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i))1
Offside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i))1
Front Inner Obligatory mirror insecure (3.3 (b) (ii))1
Nearside Front Inner Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Central Obligatory mirror missing (3.3 (a))1
Central Rear Seat belt buckle not functioning as intended does not allow belt clasp to be inserted (7.1.2 (d))1
Nearside Side repeater not working IN MIRROR (4.4.1 (a) (ii))1
Central Rear Seat belt not functioning as intended anchor not visible (7.1.2 (c))1
Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))1
Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))1
Nearside Front Direction indicator not working (4.4.1 (a) (ii))1
Headlamp aim unable to be tested (4.1.2 (b))1
Nearside Front Position lamp not working (4.2.1 (a) (ii))1
Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))1
Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i))1
Offside Front Windscreen in an unacceptable condition Windscreen cracked in A zone. (3.2 (c) (i))1
Nearside Front Lower Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Nearside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii))1
Nearside Front Headlamp insecure (4.1.1 (c))1
Nearside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Emissions unable to be completed due to analyzer issue (8.2.2.2 (e))1
Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i))1
Offside Front Side repeater not working (4.4.1 (a) (ii))1
Nearside Front Road wheel more than one fixing missing bolt missing in wheel (5.2.1 (a) (ii))1
Nearside Rear Suspension arm pin or bush excessively worn trailing arm (5.3.4 (a) (i))1
Offside Front Drivers airbag obviously inoperative (7.1.5 (c))1
Nearside Front Service brake excessively fluctuating (1.2.1 (e))1
Offside Front Service brake excessively fluctuating (1.2.1 (e))1
Horn sound not in accordance with requirements (7.7 (c))1
Steering arm deformed to the extent that steering is affected (2.1.3 (c) (ii))1
Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))1
Offside Rear Suspension arm pin or bush excessively worn trailing arm (5.3.4 (a) (i))1
Offside Rear Seat belt buckle not functioning as intended 2nd row. (7.1.2 (d))1
Nearside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt inner and outer (6.1.7 (g) (ii))1
Offside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt inner and outer (6.1.7 (g) (ii))1
Front Brake disc significantly and obviously worn O/S and N/S (1.1.14 (a) (i))1
Brake fluid significantly below minimum mark (1.1.10 (d) (ii))1
Central Front Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction Dash cam (3.1 (a) (ii))1
Nearside Rear Seat belt buckle not functioning as intended 5th seat (7.1.2 (d))1
Front Windscreen in an unacceptable condition (3.2 (c) (i))1
Offside Front Headlamp insecure (4.1.1 (c))1
Central Rear Seat belt flexible stalk damaged (7.1.2 (b) (i))1
Nearside Front Service brake excessively binding (1.2.1 (f))1
Nearside Front Lower Suspension arm pin or bush excessively worn front bush (5.3.4 (a) (i))1
Nearside Rear Shock absorbers has a serious fluid leak1
Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Rear Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))1
Offside Rear Seat belt webbing significantly weakened cut from edge greater than 2mm (7.1.2 (b))1
Brake performance unable to be tested (1.2.1 (g))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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