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MOT History from tests of diesel MERCEDES BENZ UNKNOWNs year 1998

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:51.40%
(The average a diesel MERCEDES BENZ UNKNOWN year 1998 passes without issue)
Based on:107 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment14
Registration plate lamp issues6
Service brake efficiency below requirements (1.2.2 (a) (i))6
Windscreen wiper does not clear the windscreen effectively4
Windscreen washer not working 4
Brakes imbalanced across an axle4
Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))3
Brake pipe excessively corroded3
Registration plate issues2
Steering box leaking to the extent that oil is dripping |2.1.1 |e| |ii||2
Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))2
Rear fog lamp not working (4.5.1 (a) (ii))2
Rear fog lamp not working |4.5.1 |a| |ii||2
Offside Headlamp not working on main beam (4.1.1 (a) (ii))2
Offside Direction indicator not working |1.4.A.2c|1
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
Offside 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
Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt both (2.1.3 (g) (ii))1
Rear Drag link 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
Rear fog lamp tell tale not working |1.3.1b|1
Offside Indicator tell tale inoperative |1.4.A.2a|1
Offside Side repeater not working |1.4.A.2c|1
Offside Rear position lamp|s| not working |1.1.A.3b|1
Body has a sharp edge caused by corrosion rear lift framework |6.1.C.1|1
Nearside Rear Passenger`s seat insecure |6.2.6 |a| |ii||1
Offside Rear Passenger`s seat insecure |6.2.6 |a| |ii||1
Rear Drag link end ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii||1
Braking system leaking rear relay valve |1.1.3 |d||1
Nearside Direction indicator not working all |4.4.1 |a| |ii||1
Windscreen wiper not working (3.4 (a))1
Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))1
Horn not working (7.7 (a) (ii))1
Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Central Rear Seat belt not functioning as intended (7.1.2 (c))1
Offside Front Outer Seat belt not functioning as intended (7.1.2 (c))1
Offside Front Inner Seat belt not functioning as intended (7.1.2 (c))1
Nearside Front Inner Seat belt not functioning as intended (7.1.2 (c))1
Nearside Front Outer Seat belt not functioning as intended (7.1.2 (c))1
Offside Front Brake hose excessively twisted |1.1.12 |b| |ii||1
Offside Rear Stop lamp not working |1.2.1b|1
Offside Front Cab steps so insecure it is likely to cause injury (6.2.8 (a) (ii))1
Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Nearside Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Front Drivers door cannot be opened from inside the vehicle (6.2.3 (a))1
Hand operated control valve malfunctioning handbrake (1.1.5 (d))1
Steering box leaking to the extent that oil is dripping (2.1.1 (e) (ii))1
Power steering inoperative (2.1.5 (c) (i))1
Nearside Track rod end ball joint dust cover missing (2.1.3 (g) (ii))1
Offside Track rod end ball joint dust cover missing (2.1.3 (g) (ii))1
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))1
Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii))1
Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii))1
Seat belt anchorage loose drivers Seat (7.1.1 (b))1
Horn not working (7.7 (a))1
Fuel pipe leaking (6.1.3 (b) (i))1
Nearside Rear Brake hose porous |1.1.12 |e||1
Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c||1
Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Nearside Front Headlamp not working on dipped beam |1.7.5a|1
Power steering fluid level below minimum |2.3.1|1
Nearside Rear Brake hose leaking center of hose |3.6.A.1|1
Rear fog lamp tell-tale missing (4.9.1 (a) (ii))1
Nearside Rear Leaf spring fractured front anchor point (fresh break) (5.3.1 (b) (i))1
Nearside Outer Seat belt retracting mechanism defective (7.1.2 (e))1
Exhaust has a major leak of exhaust gases Section missing to silencer (6.1.2 (a))1
Nearside Seat belt anchorage prescribed area strength or continuity significantly reduced arch/floor area (7.1.1 (a) (i))1
Offside Front Seat belt insecurely fixed to the seat seat belt missing |5.2.1a|1
Nearside Front Seat belt insecurely fixed to the seat seat belt missing |5.2.1a|1
Offside Rear Rear fog lamp not working connection |4.5.1 |a| |ii||1
Offside Front Outline marker lamp not working connection |4.2.1 |a||1
Offside Seat belt not functioning as intended 3rd row outer (7.1.2 (c))1
Offside Seat belt not functioning as intended 5th inner (7.1.2 (c))1
Nearside Seat belt not functioning as intended 1st row inner (7.1.2 (c))1
Nearside Seat belt not functioning as intended 2nd row inner (7.1.2 (c))1
Nearside Rear Upper Rear position lamp|s| not working |1.1.A.3b|1
Nearside Rear Upper Rear outline marker lamp|s| not working |1.1.B.1c|1
Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2|1
Exhaust system not adequately supported |7.1.1|1
Offside Braking system leaking near air tank (1.1.3 (d))1
Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting BODY CROSSMEMEBER OVER GEARBOX |6.2.2 |d| |i||1
Nearside Rear Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced MEMBER IN FRONT OF REAR AXLE |6.1.1 |c| |i||1
Offside Rear Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced MEMBER IN FRONT OF REAR AXLE |6.1.1 |c| |i||1
Brake fluid not visible |1.1.10 |d| |iii||1
Nearside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii||1
Offside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii||1
Offside Rear Rear fog lamp not working |4.5.1 |a| |ii||1
Offside Rear Seat belt not functioning as intended 1ST ROW WALKING TO REAR. |7.1.2 |c||1
Offside Rear Seat belt not functioning as intended 2ND ROW WALKING TO REAR |7.1.2 |c||1
Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii||1
Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Nearside Rear Brake disc fractured (1.1.14 (a) (ii))1
Brake performance not tested (1.2.1 (g))1
Headlamp aim not tested (4.1.2 (b))1
Offside Front Headlamp not working on main beam |4.1.1 |a| |ii||1
Offside Front Position lamp not working side light |4.2.1 |a||1
Nearside Front Shock absorbers insecurely attached |5.3.2 |a| |i||1
Nearside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting hole in inner wing. |6.2.2 |d| |i||1
Offside Rear Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced part of box section missing, under floor. |6.1.1 |c| |i||1
Offside Front Headlamp not working on dipped beam |1.7.5a|1
Rear brake binding1
Offside Rear All direction indicators not working (4.4.1 (a) (ii))1
Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii))1
Central Braking system leaking air tank leaking (1.1.3 (d))1
Offside Front Service brake excessively binding (1.2.1 (f))1
Nearside Rear Service brake excessively binding (1.2.1 (f))1
Bonnet cannot be secured in the closed position |3.1 |b| |i||1
Offside Windscreen wiper missing |3.4 |a||1
Offside Rear Outline marker lamp not working |4.2.1 |a||1
Offside Rear Shock absorbers has an excessively worn bush |5.3.2 |c||1
Nearside Seat belt not functioning as intended Row 4 right hand seat (7.1.2 (c))1
Offside Rear Outline marker lamp not working (4.2.1 (a) (ii))1
Central Exhaust has a major leak of exhaust gases Silencer (6.1.2 (a))1
Steering linkage ball joint ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt front drop arm boot (2.1.3 (g) (ii))1
Offside Rear Braking system leaking (1.1.3 (d))1
Nearside Rear Parking brake inoperative on one side (1.4.1 (a))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Nearside Front Brake load sensing valve linkage obviously incorrectly adjusted (1.1.17 (b))1
Offside Upper Stop lamp(s) not working (4.3.1 (a) (ii))1
Rear Exhaust has a major leak of exhaust gases silencer (6.1.2 (a))1
Nearside Rear Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii))1
Nearside Rear Air brake cylinder/actuator insecurely mounted yoke lock nut insecure (1.1.16 (c) (i))1
Offside Rear Air brake cylinder/actuator insecurely mounted yoke lock nut insecure (1.1.16 (c) (i))1
Front Front passenger door likely to open inadvertently or not remain closed (6.2.3 (b) (ii))1
Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded scuttle area (1.1.21 (e) (i))1
Offside Seat belt buckle not functioning as intended drivers belt top mount not attached (7.1.2 (d))1
Nearside Front Body component damaged and likely to cause injury indicator lens (6.2.1 (a) (i))1
Nearside Front Body component damaged and likely to cause injury panel by door (6.2.1 (a) (i))1
Offside Front Seat belt likely to become detached in the event of a collision (7.1.1 (a) (ii))1
Nearside Upper Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Stop lamp(s) not working middle (4.3.1 (a) (ii))1
Offside Seat belt not functioning as intended (7.1.2 (c))1
Drivers view of the road through the swept area of the windscreen materially affected by an obstruction rear camera monitor (3.1 (a) (ii))1
Nearside Front Outline marker lamp not working (4.2.1 (a) (ii))1
Offside Front Outline marker lamp not working (4.2.1 (a) (ii))1
Front Drag link end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Rear Drag link end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Offside Front Upper Anti-roll bar pin or bush excessively worn drop link (5.3.4 (a) (i))1
Exhaust has a major leak of exhaust gases down pipe (6.1.2 (a))1
Nearside Rear Brake hose leaking on an air braking system (1.1.12 (c) (i))1
Nearside Front Leaf spring anchor pin or bush excessively worn (5.3.4 (a) (i))1
Offside Front Inner Brake pipe at imminent risk of failure or fracture (1.1.11 (a))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 Brake master cylinder/servo mounting prescribed area is excessively corroded (1.1.21 (e) (i))1
Brake hydraulic reservoir fluid not visible (1.1.10 (d) (iii))1
Central Suspension pipe leaking (5.3.5 (c))1
Offside Front Seat belt missing (7.1.2 (a))1
Front Exhaust has a major leak of exhaust gases (6.1.2 (a))1
Nearside Front Suspension bellows leaking (5.3.5 (c))1
Offside Front Suspension bellows leaking (5.3.5 (c))1
Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt both ends |2.2.C.1c|1
Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Front Direction indicator not working (4.4.1 (a) (ii))1
Offside Rear Direction indicator not working (4.4.1 (a) (ii))1
Hazard warning lamps inoperative (4.4.1 (e))1
Oil leaking excessively from engine (8.4.1 (a) (i))1
Rear Rear reflector missing |4.8.2 |a| |ii||1
Nearside Braking system leaking n/s chassis in front of rear axle |3.6.A.1|1
Service brake: efficiency below requirements |3.7.B.7|1
Rear rear brake recording little or no effort |3.7.B.5a|1
Central Braking system leaking (1.1.3 (d))1
Nearside Front Side repeater not working (4.4.1 (a) (ii))1
Nearside Obligatory mirror insecure (3.3 (b) (ii))1
Rear Service brake excessively binding (1.2.1 (f))1
Parking brake efficiency below requirements |1.4.2 |a| |i||1
Horn sound not in accordance with requirements |7.7 |c||1
Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g||1
Nearside Rear Outline marker lamp not working |4.2.1 |a||1
Driver`s door does not latch securely closed |6.2.3 |a||1
Offside Headlamp not working on dipped beam |4.1.1 |a| |ii||1
Offside Front Position lamp light intensity significantly reduced only when dip is activated. |4.2.3 |a| |ii||1
Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i||1
Nearside Rear Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i||1
Offside Rear Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i||1
Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength shock absorber mounting |5.3.6 |a| |i||1
Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill x2 |5.3.6 |a| |i||1
Rear Service brake excessively binding |1.2.1 |f||1
Brake performance not tested due to excessive bind |1.2.1 |g||1
Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i||1
Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |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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