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MOT History from tests of diesel MERCEDES BENZ Xs year 2020

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

mot history
Pass percent:84.18%
(The average a diesel MERCEDES BENZ X year 2020 passes without issue)
Based on:1,530 MOT Tests
Most common failuresNo# failures
Windscreen wiper does not clear the windscreen effectively50
Parking brake efficiency below requirements (1.4.2 (a) (i))40
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))36
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))19
Registration plate issues19
Headlamp aim out of alignment18
Nearside Parking brake inoperative on one side (1.4.1 (a))11
Nearside Rear Parking brake inoperative on one side (1.4.1 (a))10
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))9
Offside Front Drivers door cannot be opened from inside the vehicle (6.2.3 (a))7
Registration plate lamp issues7
Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c))6
Drivers door cannot be opened from inside the vehicle (6.2.3 (a))5
Windscreen washer not working 4
Rear fog lamp not working (4.5.1 (a) (ii))3
Brake lever has insufficient reserve travel (1.1.2 (a))3
Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i))3
Brakes imbalanced across an axle3
Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))3
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))3
Trailer electrical socket (13 pin) not functioning at all (4.10 (c) (ii))2
Front brake disc in such a condition that it is seriously weakened2
Nearside Front Front passenger door cannot be opened from inside the vehicle (6.2.3 (a))2
Offside Rear Position lamp not working (4.2.1 (a) (ii))2
Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i))2
Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i))2
Nearside Rear Position lamp not working (4.2.1 (a) (ii))2
Service brake efficiency below requirements (1.2.2 (a) (i))2
Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))2
Offside Side repeater not working (4.4.1 (a) (ii))2
Front passenger door cannot be opened from inside the vehicle (6.2.3 (a))2
Nearside Front passenger door cannot be opened from inside the vehicle (6.2.3 (a))2
Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Offside Front Power steering component leaking power steering leaking (2.1.5 (a))1
Offside Front Service brake excessively binding (1.2.1 (f))1
Rear brake disc in such a condition that it is seriously weakened1
Offside Front Macpherson strut attachment bracket/mounting likely to become detached mounting bolts loose x 3 (5.3.3 (a) (ii))1
Nearside Windscreen wiper blade missing (3.4 (b) (ii))1
Offside Windscreen wiper blade missing (3.4 (b) (ii))1
Nearside Rear Other passenger door cannot be opened from outside the vehicle HADLE MISSING (6.2.3 (a))1
Offside Front Side repeater not working (4.4.1 (a) (ii))1
Brake performance unable to be tested due to condition of pads (1.2.1 (g))1
Power steering pipe/hose leaking O.S front of engine bay area (2.1.5 (a))1
Nearside Side repeater light intensity significantly reduced (4.4.3 (a))1
Nearside Rear Parking brake inoperative on one side working but very low (1.4.1 (a))1
Nearside Outer Seat belt installation anchorage insecure belt buckle inop (10.1 (d))1
Nearside Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Rear Parking brake inoperative on one side (1.4.1 (a))1
Electronic stability control warning lamp indicates a fault (7.12 (e))1
Nearside Rear Position lamp showing white light to the rear LENSE BROKEN (4.2.3 (a) (ii))1
Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Nearside Front Body panel damaged and likely to cause injury wheel arch trim (6.2.1 (a) (i))1
Nearside Rear Parking brake inoperative on one side (little or no effort to wheel) (1.4.1 (a))1
Nearside Rear Direction indicator not working (4.4.1 (a) (ii))1
Offside Rear Direction indicator not working (4.4.1 (a) (ii))1
Offside Rear Rear fog lamp lens defective such that emitted light is adversely affected lens broken (4.5.1 (b) (ii))1
Nearside Front fog lamp not working (4.5.1 (a) (ii))1
Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Speed limiter obviously inoperative (7.10 (b))1
Brake performance unable to be tested (1.2.1 (g))1
Nearside Front Shock absorbers has a serious fluid leak1
Offside Front Inner Drivers door cannot be opened from inside the vehicle (6.2.3 (a))1
Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt inner gaiter burst (6.1.7 (g) (ii))1
Road wheel fixing missing 1 of each wheel (5.2.1 (a) (i))1
Nearside Front Body component insecure panel on front bumper sharp and insecure (6.2.1 (a) (i))1
Parking brake lever has excessive movement indicating incorrect adjustment handbrake obviously incorrectly adjusted (1.1.6 (c))1
Front passenger door cannot be opened from outside the vehicle (6.2.3 (a))1
Offside Front Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
Nearside Front Service brake excessively fluctuating (1.2.1 (e))1
Offside Front Service brake excessively fluctuating (1.2.1 (e))1
Nearside Rear Service brake excessively fluctuating (1.2.1 (e))1
Offside Rear Service brake excessively fluctuating (1.2.1 (e))1
Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))1
Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))1
Emissions unable to be completed (8.2.2.2 (e))1
Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))1
Offside Rear fog lamp not working (4.5.1 (a) (ii))1
Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i))1
Offside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i))1
Brake hydraulic reservoir fluid level significantly below minimum level (1.1.10 (d) (ii))1
Front fog lamp not working (4.5.1 (a) (ii))1
Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))1
Central Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Central Rear Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i))1
Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Drivers airbag obviously inoperative (7.1.5 (c))1
Rear Rear fog lamp not working (4.5.1 (a) (ii))1
Rear Rear reflector missing Both (4.8.2 (a) (ii))1
Offside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii))1
Offside Front Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))1
Offside Rear Shock absorbers has a serious fluid leak1
Power steering malfunctioning (2.1.5 (a))1
Nearside Front Position lamp not working (4.2.1 (a) (ii))1
Nearside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii))1
Nearside Rear Rear reflector reflecting white to the rear (4.8.2 (a) (ii))1
Front Engine MIL inoperative or indicates a malfunction EML warning light on dash (8.2.2.2 (g))1
Passengers airbag obviously inoperative (7.1.5 (c))1
Fuel system component leaking Diesel leak (6.1.3 (b) (i))1
Offside Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Anti-lock braking system warning lamp indicates an ABS fault1

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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