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MOT History from tests of diesel MERCEDES BENZ UNKNOWNs year 1999

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:51.28%
(The average a diesel MERCEDES BENZ UNKNOWN year 1999 passes without issue)
Based on:117 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment17
Brake pipe excessively corroded14
Registration plate lamp issues10
Windscreen wiper does not clear the windscreen effectively9
Rear fog lamp not working (4.5.1 (a) (ii))4
Windscreen washer not working 4
Service brake efficiency below requirements (1.2.2 (a) (i))3
Brake hose excessively deteriorated3
Rear fog lamp tell tale not working |1.3.1b|2
Service brake efficiency below requirements |1.2.2 |a| |i||2
Rear parking brake recording little or no effort2
Offside front brake binding |3.7.B.1|2
Horn not working |1.6.2a|2
Offside Rear Passenger`s seat insecure |6.2.6 |a| |ii||2
Nearside Front Direction indicator not working |1.4.A.2c|2
Offside Rear fog lamp not working (4.5.1 (a) (ii))2
Rear Service brake effort inadequate at a wheel o/s and n/s (1.2.1 (a) (i))2
Nearside Rear Rear outline marker lamp|s| not working |1.1.B.1c|2
Offside Headlamp not working on dipped beam |1.7.5a|2
Nearside Front Suspension component mounting prescribed area is inadequately repaired |5.3.6 |a| |i||1
Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))1
Rear fog lamp not working |1.3.2b|1
Rear fog lamp switch insecure |1.3.1a|1
Offside Rear Drag link end ball joint has excessive play as marked |2.2.B.1f|1
Nearside Front Seat belt anchorage loose single seat |7.1.1 |b||1
Offside Front Seat belt missing seat belt buckle missing |7.1.2 |a||1
Offside Rear Passenger`s seat insecure 8th row |6.2.6 |a| |ii||1
Offside Rear Seat belt pretensioner missing where fitted as original equipment 7th row |7.1.4 |a||1
Nearside Front Fluid leak harmful to the environment or a risk to other road users fuel |8.4.1 |a| |i||1
Offside Rear Lower Shock absorbers insecurely attached |5.3.2 |a| |i||1
Rear Brake pipe leaking on an air braking system rear brake pipe (1.1.11 (b) (i))1
Brake performance not tested (1.2.1 (g))1
Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i))1
Brake performance not tested due to leak at caliper (1.2.1 (g))1
Offside Side repeater incorrect colour (4.4.3 (a))1
Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))1
Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c))1
Parking brake: efficiency below requirements |3.7.B.7|1
Oil leaking excessively from engine sump area (8.4.1 (a) (i))1
Offside Drag link end ball joint has excessive play (2.1.3 (b) (i))1
Braking system leaking around air dryer |3.6.A.1|1
Offside Rear Air suspension bellows leaking |2.4.D.2|1
Offside Rear Air suspension has no suspension movement |2.4.D.5|1
Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings holding side skirt |6.1.B.2|1
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings holding side skirt |6.1.B.2|1
Nearside Rear outline marker lamp|s| insecure |1.1.B.1b|1
Central Front Passenger`s seat insecure base of seat missing |6.2.A.1|1
Nearside Rear Upper Rear position lamp|s| not working side light |1.1.A.3b|1
Nearside Front Lower Rear position lamp|s| not working side light |1.1.A.3b|1
Nearside Rear Passenger`s seat insecure |6.2.6 |a| |ii||1
Offside Front Power steering pipe/hose excessively corroded to steering box |2.1.5 |g| |i||1
Nearside Headlamp excessively deteriorated so that the light output is severely reduced no pattern or output |1.7.5a|1
Rear Braking system leaking (1.1.3 (d))1
Offside Rear Brake hose connection leaking on a hydraulic braking system Flexi to calliper (1.1.12 (c) (ii))1
Rear Prop shaft joint so worn it is likely to fail (6.1.7 (c) (ii))1
Power steering pipe/hose excessively corroded metal pipes near steering box (2.1.5 (g) (i))1
Exhaust has a major leak of exhaust gases flexible section (6.1.2 (a))1
Nearside Seat belt anchorage prescribed area strength or continuity significantly reduced cab floor rusted through under seat (7.1.1 (a) (i))1
Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced cab floor rusted through under seat (7.1.1 (a) (i))1
Bonnet cannot be secured in the closed position bonnet/front access panel offside catch faulty (3.1 (b) (i))1
Rear Position lamp adversely affected by the operation of another lamp Rear lamps/indicators etc; all affecting each others operation (4.2.3 (c))1
Windscreen damaged and affecting the driver`s view of the road windscreen cracked badly |3.2 |a| |ii||1
Nearside Rear Outline marker lamp not working |4.2.1 |a||1
Offside Rear fog lamp not working |4.5.1 |a| |ii||1
Nearside Stop lamp|s| not working |4.3.1 |a| |ii||1
Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a||1
Offside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a||1
Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii||1
Horn not working |7.7 |a| |ii||1
Registration plate issues1
Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii||1
Nearside Rear Axle with loose fixing bolts |5.1.1 |b| |i||1
Nearside Front Headlamp insecure |1.7.3|1
Power steering inoperative |2.3.3a|1
Offside Rear Upper Rear outline marker lamp|s| not working |1.1.B.1c|1
Nearside Rear Upper Stop lamp not working |1.2.1b|1
Centre Rear Suspension component mounting prescribed area is excessively corroded panard rod mounting areas |box sections| |2.4.A.3|1
Nearside Seat belt anchorage prescribed area is excessively corroded front to rear side box sections corroded and holed |5.2.6|1
Nearside Seat belt anchorage prescribed area is excessively corroded front to rear side box sections corroded & holed |5.2.6|1
Braking system leaking front |3.6.A.1|1
Offside Headlamp light intensity severely reduced Dipped Beam (4.1.4 (a))1
Offside Headlamp not working on main beam (4.1.1 (a) (ii))1
Offside Front Outline marker lamp not working (4.2.1 (a) (ii))1
Nearside Front Outline marker lamp light intensity significantly reduced (4.2.3 (a) (ii))1
Horn sound not in accordance with requirements (7.7 (c))1
Offside Rear Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i))1
Offside Rear Brake hose leaking on a hydraulic braking system brake hose |1.1.12 |c| |ii||1
Nearside Front passenger door cannot be opened from inside the vehicle |6.2.3 |a||1
Nearside Outline marker lamp not working |4.2.1 |a||1
Rear Brake load sensing valve linkage defective and function impaired |1.1.17 |a||1
Front Service brake excessively binding o/s and n/s |1.2.1 |f||1
Rear Service brake excessively binding both sides |1.2.1 |f||1
Offside Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a|1
Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2|1
Rear Passengers seat with a defective structure (6.2.6 (a) (i))1
Power steering component leaking steering box (2.1.5 (a))1
Horn not working (7.7 (a) (ii))1
Nearside Front Front outline marker lamp|s| not working |1.1.B.1c|1
Offside Front Front outline marker lamp|s| not working |1.1.B.1c|1
Offside Rear Rear fog lamp not working |1.3.2b|1
Nearside Front Headlamp aim projected beam image is obviously incorrect internals loose |4.1.2 |c||1
Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Offside Front Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt AND THE STEERING BOX END ATTACHMENT (2.1.3 (g) (ii))1
Central Rear Exhaust has a major leak of exhaust gases tail pipe broken |7.1.2|1
Central Rear Exhaust system not adequately supported |7.1.1|1
Offside Rear fog lamp not working |1.3.2b|1
Leaf spring anchor bracket corroded and seriously weakened both rear |2.4.B.6d|1
Offside Rear Body has a sharp edge caused by corrosion wing |6.1.C.1|1
Offside Front Stop lamp|s| not working |4.3.1 |a| |ii||1
Nearside Rear Brake disc significantly and obviously worn |1.1.14 |a| |i||1
Service brake excessively fluctuating Both rear disks |1.2.1 |e||1
Nearside Rear Service brake excessively binding |1.2.1 |f||1
Offside Front Service brake excessively binding |1.2.1 |f||1
Offside Front Seat belt missing |7.1.2 |a||1
Nearside Front Position lamp not working |4.2.1 |a||1
Offside Front Service brake excessively binding (1.2.1 (f))1
Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Offside Steering locking device missing track rod end lock nut split pin missing (2.1.3 (d))1
Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Nearside Front position lamp|s| not working |1.1.A.3b|1
Bootlid cannot be secured in the closed position |6.4.1|1
Nearside Rear Body has a sharp edge caused by corrosion wheel arch |6.1.C.1|1
Rear Body has a sharp edge caused by corrosion above number plate lights |6.1.C.1|1
Brake hose bulging under pressure both front |1.1.12 |d||1
Service brake: efficiency below requirements |3.7.B.7|1
Power steering inoperative and steering adversely affected power steering not working (2.1.5 (c) (ii))1
Power steering component leaking steering box /area has severe fluid lead (2.1.5 (a))1
Drivers seat insecure (6.2.5 (a) (ii))1
Wheel bearing has excessive play n/s/r (5.1.3 (a) (i))1
Brake disc contaminated p steering fluid spray everywhere over brake /and disc (1.1.14 (b))1
All direction indicators not working all indicators not working correctly (flash 4 times then stop) (4.4.1 (a) (ii))1
Hazard warning lamps inoperative all hazards not working (4.4.1 (e))1
Obligatory mirror seriously damaged, affecting the rear view o/s/f door mirror (3.3 (b) (ii))1
Drivers door cannot be opened from inside the vehicle o/s/f door (6.2.3 (a))1
Brakes imbalanced across an axle1
Front Exhaust has a major leak of exhaust gases down pipe |6.1.2 |a||1
Front Hazard warning switch inoperative (4.4.2 (a) (ii))1
Offside Rear Fuel cap/sealing device ineffective (6.1.3 (b) (i))1
Offside Front Side repeater not working wing (4.4.1 (a) (ii))1
Offside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii))1
Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))1
Fuel cap/sealing device ineffective (6.1.3 (b) (i))1
Fuel system component leaking at fuel tank (6.1.3 (b) (i))1
All direction indicators not working does not keep going (4.4.1 (a) (ii))1
Hazard warning lamps inoperative does not keep going (4.4.1 (e))1
Offside Side repeater not working (4.4.1 (a) (ii))1
Offside Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Rear Position lamp not working (4.2.1 (a) (ii))1
Horn not working (7.7 (a))1
Drivers door cannot be opened from outside the vehicle (6.2.3 (a))1
Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a|1
Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii||1
Nearside Front Headlamp aim not tested |4.1.2 |b||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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