Mercedes-Benz M-Class MOT Results

Registered in 1999
52.9% pass rate
from 1,099 tests in 2017
Pass rate by mileage
Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for 1999 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 28% fail on Lamps, Reflectors and Electrical Equipment (17% worse than other 1999 cars)
    • 9.5% fail on Headlamp aim (42% worse than other 1999 cars)
    • 7.5% fail on Registration plate lamp
    • 6.5% fail on Position lamps
      • 5.3% fail on Front lamps
      • 1.7% fail on Rear lamps
    • 5.8% fail on Stop lamp
    • 5.3% fail on Headlamps
      • 5.3% fail on Headlamp
    • 5.1% fail on Direction indicators (79% worse than other 1999 cars)
      • 5.1% fail on Flashing type (80% worse than other 1999 cars)
        • 3.9% fail on Individual lamps (110% worse than other 1999 cars)
        • 0.73% fail on All direction indicators
        • 0.55% fail on Side repeaters
    • 2.5% fail on Horn (3 times worse than other 1999 cars)
    • 1.6% fail on Rear fog lamp
      • 1.1% fail on Fog lamp
      • 0.91% fail on Switch (11 times worse than other 1999 cars)
      • 0.27% fail on Tell tale
    • 1.0% fail on Battery
    • 0.18% fail on Trailer electrical socket
    • 0.18% fail on Headlamp aim not tested
  • 20% fail on Brakes
    • 8.8% fail on Brake performance
      • 7.3% fail on Parking brake performance (57% worse than other 1999 cars)
      • 1.7% fail on Rear wheels (59% better than other 1999 cars)
      • 1.1% fail on Front wheels (67% better than other 1999 cars)
      • 0.45% fail on Service brake performance (67% better than other 1999 cars)
      • 0.27% fail on Brake operation
      • 0.091% fail on Brake imbalance
      • 0.091% fail on Gradient hand brake
    • 6.6% fail on Hydraulic systems
      • 6.3% fail on Components
        • 5.4% fail on Pipes
        • 1.2% fail on Hoses
        • 0.091% fail on Reservoirs
      • 0.27% fail on Leaks
      • 0.18% fail on Operation
    • 4.7% fail on Hub components (70% worse than other 1999 cars)
      • 4.2% fail on Brake pads (110% worse than other 1999 cars)
      • 0.82% fail on Brake discs
      • 0.091% fail on Brake linings
      • 0.091% fail on Brake calipers
    • 2.0% fail on Electronic stability system (10 times worse than other 1999 cars)
    • 1.7% fail on Parking brake
      • 1.7% fail on Condition
    • 1.3% fail on ABS
    • 0.27% fail on Restricted movement
    • 0.091% fail on Service brake control components
      • 0.091% fail on Pedal
        • 0.091% fail on Condition
  • 18% fail on Suspension (16% better than other 1999 cars)
    • 6.6% fail on Coil springs (140% worse than other 1999 cars)
      • 6.6% fail on Condition (140% worse than other 1999 cars)
    • 6.6% fail on Anti-roll bars
      • 3.4% fail on Linkage condition (4 times worse than other 1999 cars)
      • 1.8% fail on Pins/bushes/ball joints (94% worse than other 1999 cars)
      • 1.1% fail on Linkage pins/bushes/ball joints (67% better than other 1999 cars)
      • 0.55% fail on Attachment
      • 0.18% fail on Presence (15 times worse than other 1999 cars)
    • 3.8% fail on Suspension arms
      • 3.8% fail on Pins/bushes/ball joints
    • 2.5% fail on Front suspension joints (70% worse than other 1999 cars)
    • 1.0% fail on Drive shafts (75% better than other 1999 cars)
      • 0.91% fail on Front drive shafts (76% better than other 1999 cars)
        • 0.91% fail on Constant velocity joints (76% better than other 1999 cars)
      • 0.091% fail on Any drive shaft which is part of the suspension
        • 0.091% fail on Drive shafts
    • 0.82% fail on Shock absorbers
      • 0.82% fail on Condition
    • 0.64% fail on Wheel bearings (66% better than other 1999 cars)
      • 0.64% fail on Rear
    • 0.27% fail on Tie bars/rods
      • 0.18% fail on Pins/bushes/ball joints
      • 0.091% fail on Attachment
    • 0.27% fail on Prescribed areas (95% better than other 1999 cars)
      • 0.091% fail on Component mounting
      • 0.091% fail on Spring mounting
      • 0.091% fail on Subframe mounting
    • 0.18% fail on Sub-frames
      • 0.091% fail on Condition
      • 0.091% fail on Attachment
    • 0.091% fail on Trailing arms
      • 0.091% fail on Pins/bushes/ball joints
    • 0.091% fail on Macpherson strut
      • 0.091% fail on Condition
  • 10% fail on Steering (130% worse than other 1999 cars)
    • 9.3% fail on Steering system (140% worse than other 1999 cars)
      • 8.3% fail on Track rod end (2 times worse than other 1999 cars)
      • 0.82% fail on Steering rack
      • 0.27% fail on Free play
        • 0.27% fail on Steering rack
      • 0.27% fail on Ball joint
      • 0.091% fail on Drag link end
      • 0.091% fail on Steering arm
    • 1.7% fail on Power steering (2 times worse than other 1999 cars)
      • 1.1% fail on Pipes and hoses (5 times worse than other 1999 cars)
      • 0.27% fail on Operation
      • 0.27% fail on Pump (5 times worse than other 1999 cars)
      • 0.27% fail on Other components
      • 0.091% fail on Rams
  • 7.9% fail on Driver's view of the road
    • 4.0% fail on Wipers
    • 3.6% fail on Washers
    • 0.73% fail on Mirrors
    • 0.36% fail on Windscreen
  • 6.7% fail on Tyres
    • 4.6% fail on Tread depth
    • 2.6% fail on Condition
    • 0.18% fail on Size/type
  • 6.7% fail on Exhaust, Fuel and Emissions (41% better than other 1999 cars)
    • 4.8% fail on Emissions (29% better than other 1999 cars)
    • 2.9% fail on Exhaust system (44% better than other 1999 cars)
    • 1.0% fail on Emissions not tested
    • 0.091% fail on Fuel system
      • 0.091% fail on Cap
  • 3.0% fail on Body, Structure and General Items
    • 1.3% fail on Body condition
    • 0.73% fail on Vehicle structure
      • 0.73% fail on Chassis
    • 0.55% fail on Seats
      • 0.36% fail on Drivers
      • 0.18% fail on Passengers
    • 0.45% fail on Doors
      • 0.45% fail on Passengers other
  • 2.3% fail on Seat Belts and Supplementary Restraint Systems (58% better than other 1999 cars)
    • 1.6% fail on Seat belts (57% better than other 1999 cars)
      • 1.1% fail on Condition
      • 0.36% fail on Prescribed areas (88% better than other 1999 cars)
      • 0.091% fail on Requirements
      • 0.091% fail on Attachment
    • 0.73% fail on Supplementary restraint systems (58% better than other 1999 cars)
      • 0.73% fail on SRS Malfunction Indicator Lamp
  • 1.6% fail on Registration plates and VIN
    • 1.6% fail on Registration plate
  • 1.3% fail on Road Wheels (2 times worse than other 1999 cars)
    • 1.3% fail on Attachment (3 times worse than other 1999 cars)
  • 1.1% fail on Towbars (4 times worse than other 1999 cars)
    • 0.91% fail on Vehicle structure (3 times worse than other 1999 cars)
    • 0.18% fail on Towbar (7 times worse than other 1999 cars)

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