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MOT History from tests of diesel MERCEDES BENZ B-CLASSs year 2019

Review the list of common MERCEDES BENZ B-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:94.18%
(The average a diesel MERCEDES BENZ B-CLASS year 2019 passes without issue)
Based on:1,633 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment23
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))16
Windscreen wiper does not clear the windscreen effectively10
Registration plate issues5
Registration plate lamp issues4
Horn not working (7.7 (a))4
Offside Rear Seat belt buckle not functioning as intended (7.1.2 (d))3
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))3
Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Central Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Brake pedal anti-slip provision missing (1.1.2 (c))1
Windscreen washer not working 1
Nearside Rear Fuel system component leaking Around fuel filter (6.1.3 (b) (i))1
Nearside Headlamp aim projected beam image is obviously incorrect LHD (4.1.2 (c))1
Offside Headlamp aim projected beam image is obviously incorrect LHD (4.1.2 (c))1
Nearside Rear Seat belt buckle not functioning as intended not engaging (7.1.2 (d))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Windscreen in an unacceptable condition cracked top to bottom (3.2 (c) (i))1
Windscreen wiper not working (3.4 (a))1
Direction indicator not working (4.4.1 (a) (ii))1
Nearside Front Headlamp are incorrectly positioned (4.1.4 (a))1
Windscreen damaged and affecting the drivers view of the road chip (3.2 (a) (ii))1
Nearside Rear Road wheel fixing missing (5.2.1 (a) (i))1
Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Rear Brake hydraulic reservoir fluid level significantly below minimum level (1.1.10 (d) (ii))1
Nearside Rear Stop lamp(s) lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii))1
Position lamp showing red light to the front (4.2.3 (a) (ii))1
Central Rear Seat belt retracting mechanism defective (7.1.2 (e))1
Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Offside Front Service brake excessively fluctuating (1.2.1 (e))1
Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a))1
Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii))1
Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))1
Nearside Front Headlamp insecure (4.1.1 (c))1
Offside Rear Outer Seat belt buckle not functioning as intended (7.1.2 (d))1
Nearside Rear Outer Seat belt buckle not functioning as intended (7.1.2 (d))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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