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MOT History from tests of diesel MERCEDES BENZ UNKNOWNs year 2016

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

mot history
Pass percent:84.47%
(The average a diesel MERCEDES BENZ UNKNOWN year 2016 passes without issue)
Based on:599 MOT Tests
Most common failuresNo# failures
Windscreen wiper does not clear the windscreen effectively18
Headlamp aim out of alignment17
Parking brake efficiency below requirements (1.4.2 (a) (i))13
Registration plate lamp issues3
Registration plate issues3
Brakes imbalanced across an axle3
Front brake disc in such a condition that it is seriously weakened3
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))3
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))2
Brake pipe excessively corroded2
Offside Rear Service brake excessively binding (1.2.1 (f))2
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))2
Brake hose damaged2
Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c))2
Nearside Front Headlamp aim projected beam image is obviously incorrect kick up to offside (4.1.2 (c))2
Offside Front Headlamp aim projected beam image is obviously incorrect kick up to offside (4.1.2 (c))2
Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))2
Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))2
Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a))2
Rear fog lamp obviously incorrectly positioned (4.5.4 (a))1
Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Nearside Rear Anti-roll bar pin or bush excessively worn Outer bush connecting to the link (5.3.4 (a) (i))1
Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f))1
Anti-lock braking system warning lamp indicates an ABS fault1
Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Nearside Front Outline marker lamp not working (4.2.1 (a) (ii))1
Front Wheel bearing rough when rotated (5.1.3 (b) (i))1
Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Nearside Stop lamp(s) not working (4.3.1 (a) (ii))1
Hazard warning switch inoperative (4.4.2 (a) (ii))1
Nearside Front Anti-roll bar linkage ball joint excessively worn Nut onto ball joint loose and joint worn. (5.3.4 (a) (i))1
Drivers seat with a defective structure (6.2.5 (a) (i))1
Front Exhaust has a major leak of exhaust gases (6.1.2 (a))1
Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))1
Offside Front Steering linkage insecure to the extent there is excessive movement at the mountings Rack end (2.1.3 (a) (ii))1
Nearside Rear Service brake excessively binding (1.2.1 (f))1
Nearside Outline marker lamp not working (4.2.1 (a) (ii))1
Offside Outline marker lamp not working (4.2.1 (a) (ii))1
Offside Rear Body panel damaged and likely to cause injury (6.2.1 (a) (i))1
Nearside Rear Outer Position lamp not working (4.2.1 (a) (ii))1
Offside Rear Outer Position lamp not working (4.2.1 (a) (ii))1
Nearside Side repeater incorrect colour (4.4.3 (a))1
Offside Side repeater incorrect colour (4.4.3 (a))1
Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h||1
Nearside Rear Position lamp not working |4.2.1 |a| |ii||1
Rear All direction indicators light intensity significantly reduced |4.4.3 |a||1
Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i))1
Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii))1
Front Service brake excessively fluctuating Both (1.2.1 (e))1
Offside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a||1
Nearside Rear Parking brake inoperative on one side |1.4.1 |a||1
Rear Exhaust system insecure Tail pipe insecure clamp missing, likely to fall off (6.1.2 (a))1
Fuel system component leaking (6.1.3 (b) (i))1
Supplementary restraint system warning lamp indicates a fault |7.1.6 |a||1
Electronic parking brake warning indicates a malfunction (1.1.6 (e))1
Nearside Rear Parking brake inoperative on one side Lacks the required efficiency on roller. (1.4.1 (a))1
Offside Front Brake hose excessively twisted (1.1.12 (b) (ii))1
Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i))1
Offside Rear Stop lamp(s) showing white light to the rear (4.3.3 (a) (ii))1
Offside Rear Outline marker lamp not working end lamp |4.2.1 |a||1
Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))1
Rear Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c))1
Brake relay lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f))1
Nearside Front Shock absorbers has negligible damping effect (5.3.2 (d))1
Offside Front Shock absorbers has negligible damping effect (5.3.2 (d))1
Nearside Rear Parking brake inoperative on one side Low effort recorded.(80kg) (1.4.1 (a))1
Offside Reversing lamp inoperative (4.6.1 (a))1
Nearside Rear Parking brake inoperative on one side Does not make required effort. (1.4.1 (a))1
Offside Rear Parking brake inoperative on one side Does not make the required effort (1.4.1 (a))1
Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Nearside Headlamp insecure |4.1.1 |c||1
Offside Rear Shock absorbers has a serious fluid leak1
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))1
Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g||1
Speed limiter plate missing |7.10 |e||1
Exhaust fumes causing a danger to health of persons on board exhaust tail pipe is not exiting the side of the vehicle |6.1.2 |b| |ii||1
Brake lever has insufficient reserve travel (1.1.2 (a))1
Offside Rear Brake disc contaminated (1.1.14 (b))1
Offside Rear Position lamp not working (4.2.1 (a) (ii))1
Nearside Side repeater not working (4.4.1 (a) (ii))1
Offside Stop lamp(s) not working (4.3.1 (a) (ii))1
Nearside Rear Shock absorbers has a serious fluid leak1
Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))1
Nearside Front Front passenger door catch insecure (6.2.3 (c) (ii))1
Nearside Rear Anti-roll bar linkage pin or bush excessively worn `O` bush |5.3.4 |a| |i||1
Rear fog lamp not working (4.5.1 (a) (ii))1
Offside Front Service brake excessively binding (1.2.1 (f))1
Nearside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a||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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