Mercedes-Benz M-Class MOT Results

Registered in 2001
58.9% pass rate
from 1,095 tests in 2021
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 2001 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 18% fail on Lamps, reflectors and electrical equipment
    • 7.0% fail on Headlamps (57% worse than other 2001 cars)
      • 6.6% fail on Headlamp (62% worse than other 2001 cars)
      • 0.46% fail on Headlamp levelling device
    • 4.8% fail on Direction indicators (98% worse than other 2001 cars)
      • 4.8% fail on Flashing type (98% worse than other 2001 cars)
        • 3.7% fail on Individual direction indicators (130% worse than other 2001 cars)
        • 1.2% fail on Side repeaters
        • 0.091% fail on All direction indicators
    • 4.6% fail on Stop lamp
    • 2.6% fail on Headlamp aim
      • 2.1% fail on Headlamp aim
      • 0.46% fail on Headlamp aim not tested
    • 2.0% fail on Registration plate lamp(s)
    • 1.4% fail on Electrical equipment
      • 1.0% fail on Horn (190% worse than other 2001 cars)
      • 0.18% fail on Trailer electrical socket (11 times worse than other 2001 cars)
      • 0.18% fail on Battery(ies)
      • 0.091% fail on Electrical wiring
    • 0.64% fail on Front and rear fog lamps
      • 0.64% fail on Rear fog lamp
        • 0.64% fail on Rear fog lamp
    • 0.18% fail on Position lamps
      • 0.091% fail on Position lamp
      • 0.091% fail on Switch
    • 0.18% fail on Hazard warning
      • 0.18% fail on Switch
    • 0.091% fail on Mandatory tell-tales
      • 0.091% fail on Rear fog lamp tell-tale
  • 15% fail on Suspension
    • 7.9% fail on Anti-roll bars (89% worse than other 2001 cars)
      • 3.3% fail on Pins and bushes (7 times worse than other 2001 cars)
      • 3.1% fail on Linkage (6 times worse than other 2001 cars)
      • 1.7% fail on Linkage pins and bushes (160% worse than other 2001 cars)
      • 0.18% fail on Anti-roll bar
      • 0.18% fail on Attachment bracket and mounting
      • 0.18% fail on Linkage ball joints (84% better than other 2001 cars)
      • 0.091% fail on Ball joint
      • 0.091% fail on Linkage attachment bracket and mounting
    • 5.2% fail on Springs (52% worse than other 2001 cars)
      • 5.2% fail on Coil springs (57% worse than other 2001 cars)
        • 5.2% fail on Coil spring (59% worse than other 2001 cars)
    • 4.5% fail on Suspension arms
      • 3.0% fail on Ball joint
      • 1.4% fail on Ball joint dust cover
      • 0.27% fail on Suspension arm
      • 0.091% fail on Attachment bracket and mounting
      • 0.091% fail on Pins and bushes
    • 0.73% fail on Other suspension component
      • 0.64% fail on Ball joint
      • 0.091% fail on Ball joint dust cover
    • 0.55% fail on Wheel bearings
    • 0.18% fail on Shock absorbers
    • 0.18% fail on Suspension rods
      • 0.091% fail on Suspension rod
      • 0.091% fail on Ball joint
    • 0.18% fail on Sub-frames
      • 0.18% fail on Sub-frame
    • 0.18% fail on Component mounting prescribed areas (95% better than other 2001 cars)
    • 0.091% fail on Axles
      • 0.091% fail on Swivel pins and bushes
    • 0.091% fail on Macpherson strut
      • 0.091% fail on Ball joint
  • 15% fail on Brakes
    • 7.9% fail on Brake performance
      • 6.1% fail on Parking brake efficiency (sp) (64% worse than other 2001 cars)
        • 3.7% fail on Rbt (sp)
        • 2.3% fail on Decelerometer (sp) (12 times worse than other 2001 cars)
        • 0.18% fail on Gradient tester (sp) (19 times worse than other 2001 cars)
      • 1.3% fail on Parking brake performance
        • 1.3% fail on Rbt
          • 0.91% fail on Parking brake performance
          • 0.37% fail on Parking (secondary brake performance)
      • 1.2% fail on Service brake performance (63% better than other 2001 cars)
        • 1.2% fail on Rbt (62% better than other 2001 cars)
          • 1.2% fail on Service brake performance (55% better than other 2001 cars)
          • 0.091% fail on Service brake imbalance
      • 1.0% fail on Service Brake Efficiency (sp) (55% better than other 2001 cars)
        • 0.73% fail on Rbt (sp) (67% better than other 2001 cars)
          • 0.46% fail on Service brake performance
          • 0.27% fail on Service brake imbalance (82% better than other 2001 cars)
        • 0.27% fail on Decelerometer (sp) (7 times worse than other 2001 cars)
      • 0.73% fail on Brake performance not tested
    • 4.7% fail on Rigid brake pipes
    • 3.8% fail on Mechanical brake components
      • 3.4% fail on Brake linings and pads (110% worse than other 2001 cars)
        • 3.4% fail on Brake pads (110% worse than other 2001 cars)
      • 0.91% fail on Brake discs and drums
        • 0.91% fail on Brake discs
      • 0.091% fail on Brake cables, rods, levers and linkages
        • 0.091% fail on Cable
    • 3.6% fail on ABS / EBS / ESC (100% worse than other 2001 cars)
      • 2.6% fail on Anti-lock braking system (67% worse than other 2001 cars)
      • 1.9% fail on Electronic stability control (3 times worse than other 2001 cars)
      • 0.18% fail on Electronic braking system (6 times worse than other 2001 cars)
    • 0.55% fail on Parking brake control
      • 0.55% fail on Lever
    • 0.46% fail on Service brake pedal or hand lever
      • 0.37% fail on Pedal
      • 0.18% fail on Hand lever
    • 0.37% fail on Flexible brake hoses
    • 0.27% fail on Air and vacuum systems
      • 0.18% fail on Servos
      • 0.091% fail on Leaks
    • 0.18% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.18% fail on Hydraulic brake callipers
    • 0.091% fail on Hand operated control valves
      • 0.091% fail on Operation
  • 9.1% fail on Steering (140% worse than other 2001 cars)
    • 7.5% fail on Steering linkage components (2 times worse than other 2001 cars)
      • 6.8% fail on Track rod end (2 times worse than other 2001 cars)
      • 1.0% fail on Ball joint (3 times worse than other 2001 cars)
      • 0.091% fail on Rear wheel steering
        • 0.091% fail on Components
    • 1.3% fail on Steering gear
      • 1.3% fail on Steering rack
    • 1.0% fail on Power steering (160% worse than other 2001 cars)
      • 0.37% fail on Operation
      • 0.37% fail on Pipes and hoses (2 times worse than other 2001 cars)
      • 0.37% fail on Other components
      • 0.091% fail on Pump
    • 0.55% fail on Steering play (3 times worse than other 2001 cars)
      • 0.55% fail on Steering rack (3 times worse than other 2001 cars)
  • 7.2% fail on Visibility
    • 3.9% fail on Washers
    • 3.3% fail on Wipers
    • 0.37% fail on View to rear
      • 0.37% fail on Mirrors
    • 0.091% fail on Bonnet
    • 0.091% fail on Condition of glass
      • 0.091% fail on Windscreen
  • 5.7% fail on Tyres
    • 4.1% fail on Tread depth
    • 1.4% fail on Condition
    • 0.27% fail on Size/type
  • 5.1% fail on Noise, emissions and leaks (30% better than other 2001 cars)
    • 3.9% fail on Exhaust emissions (43% better than other 2001 cars)
      • 2.3% fail on Compression ignition (2 times worse than other 2001 cars)
        • 1.6% fail on Pre 01/07/2008 Turbo (4 times worse than other 2001 cars)
        • 0.37% fail on Emissions not tested
        • 0.27% fail on Malfunction indicator lamp
        • 0.091% fail on Emission control equipment
          • 0.091% fail on Catalytic converter
        • 0.091% fail on Pre 01/07/2008 Non turbo
        • 0.091% fail on On or after 01/07/2008
      • 1.7% fail on Spark ignition (72% better than other 2001 cars)
        • 1.1% fail on Catalyst emissions (69% better than other 2001 cars)
        • 0.46% fail on Malfunction indicator lamp (80% better than other 2001 cars)
        • 0.18% fail on Emissions not tested (84% better than other 2001 cars)
        • 0.091% fail on Non catalyst emissions
    • 1.3% fail on Fluid leaks (120% worse than other 2001 cars)
      • 0.82% fail on Engine oil leaks
      • 0.37% fail on Hydraulic fluid leaks (10 times worse than other 2001 cars)
      • 0.18% fail on Other leaks
  • 4.1% fail on Body, chassis, structure (58% better than other 2001 cars)
    • 0.91% fail on Integral vehicle structure
      • 0.91% fail on Integral vehicle structure condition
      • 0.091% fail on Sub-frame
        • 0.091% fail on Sub-frame condition
    • 0.91% fail on Transmission (73% better than other 2001 cars)
      • 0.82% fail on Drive shafts (74% better than other 2001 cars)
        • 0.82% fail on Joints (74% better than other 2001 cars)
      • 0.091% fail on Prop shafts
        • 0.091% fail on Joints
    • 0.82% fail on Bumpers (3 times worse than other 2001 cars)
    • 0.64% fail on Exhaust system (81% better than other 2001 cars)
    • 0.46% fail on Seats
      • 0.27% fail on Driver's seat
      • 0.18% fail on Passenger's seat
    • 0.18% fail on Body
      • 0.18% fail on Other body component
    • 0.091% fail on Chassis
      • 0.091% fail on Chassis condition
    • 0.091% fail on Fuel system
      • 0.091% fail on Pipe
    • 0.091% fail on Load security
      • 0.091% fail on Tailgate
        • 0.091% fail on Tailgate condition
    • 0.091% fail on Doors
      • 0.091% fail on Driver's door
        • 0.091% fail on Door condition
    • 0.091% fail on Cabs
      • 0.091% fail on Prescribed areas
  • 3.1% fail on Seat belts and supplementary restraint systems
    • 1.7% fail on SRS malfunction indicator lamp
    • 1.5% fail on Seat belts
      • 0.91% fail on Condition
      • 0.55% fail on Prescribed areas (67% better than other 2001 cars)
  • 1.9% fail on Road Wheels (4 times worse than other 2001 cars)
    • 1.8% fail on Attachment (5 times worse than other 2001 cars)
    • 0.091% fail on Condition
  • 0.73% fail on Identification of the vehicle
    • 0.73% fail on Registration plates
  • 0.091% fail on Speedometer and speed limiter
    • 0.091% fail on Speedometer

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