Mercedes-Benz M-Class MOT Results

Registered in 2000
53.8% pass rate
from 1,580 tests in 2020
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 2000 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 24% fail on Lamps, reflectors and electrical equipment (28% worse than other 2000 cars)
    • 6.6% fail on Headlamps (49% worse than other 2000 cars)
      • 6.6% fail on Headlamp (60% worse than other 2000 cars)
    • 5.3% fail on Stop lamp
    • 4.3% fail on Direction indicators (79% worse than other 2000 cars)
      • 4.3% fail on Flashing type (79% worse than other 2000 cars)
        • 3.1% fail on Individual direction indicators (99% worse than other 2000 cars)
        • 0.95% fail on Side repeaters
        • 0.32% fail on All direction indicators
    • 4.1% fail on Electrical equipment (2 times worse than other 2000 cars)
      • 3.5% fail on Horn (6 times worse than other 2000 cars)
      • 0.51% fail on Battery(ies)
      • 0.063% fail on Electrical wiring
    • 4.1% fail on Headlamp aim
      • 4.0% fail on Headlamp aim
      • 0.063% fail on Headlamp aim not tested
    • 3.5% fail on Registration plate lamp(s) (60% worse than other 2000 cars)
    • 2.6% fail on Position lamps
      • 2.3% fail on Position lamp
      • 0.25% fail on All position lamps
    • 1.6% fail on Front and rear fog lamps
      • 1.6% fail on Rear fog lamp
        • 1.2% fail on Rear fog lamp
        • 0.63% fail on Switch (7 times worse than other 2000 cars)
    • 0.19% fail on Mandatory tell-tales
      • 0.19% fail on Rear fog lamp tell-tale
    • 0.063% fail on Rear reflectors
  • 18% fail on Brakes (27% worse than other 2000 cars)
    • 8.4% fail on Brake performance
      • 6.8% fail on Parking brake efficiency (sp) (83% worse than other 2000 cars)
        • 3.8% fail on Rbt (sp)
        • 2.8% fail on Decelerometer (sp) (17 times worse than other 2000 cars)
        • 0.19% fail on Gradient tester (sp) (18 times worse than other 2000 cars)
        • 0.063% fail on Plate brake tester (sp)
      • 1.5% fail on Service brake performance (53% better than other 2000 cars)
        • 1.3% fail on Rbt (58% better than other 2000 cars)
          • 1.1% fail on Service brake performance (56% better than other 2000 cars)
          • 0.38% fail on Service brake imbalance
        • 0.19% fail on Decelerometer (4 times worse than other 2000 cars)
          • 0.19% fail on Service brake performance (5 times worse than other 2000 cars)
      • 0.63% fail on Parking brake performance (58% better than other 2000 cars)
        • 0.57% fail on Rbt (61% better than other 2000 cars)
          • 0.57% fail on Parking brake performance (55% better than other 2000 cars)
        • 0.063% fail on Decelerometer
          • 0.063% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.51% fail on Service Brake Efficiency (sp) (79% better than other 2000 cars)
        • 0.32% fail on Rbt (sp) (87% better than other 2000 cars)
          • 0.25% fail on Service brake performance (75% better than other 2000 cars)
          • 0.063% fail on Service brake imbalance
        • 0.19% fail on Decelerometer (sp) (4 times worse than other 2000 cars)
      • 0.38% fail on Brake performance not tested
    • 5.5% fail on ABS / EBS / ESC (2 times worse than other 2000 cars)
      • 3.9% fail on Anti-lock braking system (170% worse than other 2000 cars)
      • 3.5% fail on Electronic stability control (9 times worse than other 2000 cars)
    • 4.6% fail on Rigid brake pipes
    • 4.6% fail on Mechanical brake components (55% worse than other 2000 cars)
      • 4.0% fail on Brake linings and pads (100% worse than other 2000 cars)
        • 4.0% fail on Brake pads (110% worse than other 2000 cars)
      • 0.44% fail on Brake discs and drums
        • 0.44% fail on Brake discs
      • 0.38% fail on Brake cables, rods, levers and linkages
        • 0.38% fail on Cable
    • 0.70% fail on Parking brake control
      • 0.70% fail on Lever
    • 0.51% fail on Flexible brake hoses
    • 0.44% fail on Service brake pedal or hand lever
      • 0.38% fail on Pedal
      • 0.063% fail on Hand lever
    • 0.25% fail on Air and vacuum systems
      • 0.19% fail on Servos (4 times worse than other 2000 cars)
      • 0.063% fail on Leaks
    • 0.25% fail on Hydraulic systems
      • 0.25% fail on Brake fluid
    • 0.063% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.063% fail on Hydraulic brake callipers
  • 17% fail on Suspension
    • 8.0% fail on Anti-roll bars (73% worse than other 2000 cars)
      • 3.2% fail on Pins and bushes (5 times worse than other 2000 cars)
      • 2.8% fail on Linkage (4 times worse than other 2000 cars)
      • 1.7% fail on Linkage pins and bushes (100% worse than other 2000 cars)
      • 0.70% fail on Attachment bracket and mounting (5 times worse than other 2000 cars)
      • 0.13% fail on Linkage attachment bracket and mounting
      • 0.063% fail on Anti-roll bar
      • 0.063% fail on Linkage ball joints
      • 0.063% fail on Linkage ball joint dust cover
    • 6.2% fail on Springs (130% worse than other 2000 cars)
      • 6.2% fail on Coil springs (150% worse than other 2000 cars)
        • 6.2% fail on Coil spring (150% worse than other 2000 cars)
    • 4.7% fail on Suspension arms
      • 3.6% fail on Ball joint (48% worse than other 2000 cars)
      • 1.2% fail on Ball joint dust cover
      • 0.063% fail on Pins and bushes
    • 0.76% fail on Other suspension component
      • 0.63% fail on Ball joint
      • 0.19% fail on Ball joint dust cover
    • 0.44% fail on Wheel bearings (71% better than other 2000 cars)
    • 0.32% fail on Shock absorbers (78% better than other 2000 cars)
    • 0.25% fail on Component mounting prescribed areas (94% better than other 2000 cars)
    • 0.19% fail on Sub-frames (75% better than other 2000 cars)
      • 0.19% fail on Sub-frame
    • 0.13% fail on Suspension rods
      • 0.063% fail on Suspension rod
      • 0.063% fail on Ball joint
  • 10% fail on Steering (150% worse than other 2000 cars)
    • 7.7% fail on Steering linkage components (180% worse than other 2000 cars)
      • 7.0% fail on Track rod end (200% worse than other 2000 cars)
      • 0.51% fail on Ball joint
      • 0.13% fail on Drag link end
      • 0.13% fail on Steering arm (5 times worse than other 2000 cars)
      • 0.13% fail on Other components
        • 0.13% fail on Steering component (14 times worse than other 2000 cars)
    • 1.8% fail on Power steering (3 times worse than other 2000 cars)
      • 0.82% fail on Pipes and hoses (5 times worse than other 2000 cars)
      • 0.51% fail on Other components (2 times worse than other 2000 cars)
      • 0.38% fail on Operation (2 times worse than other 2000 cars)
      • 0.32% fail on Pump (7 times worse than other 2000 cars)
      • 0.063% fail on Rams
    • 1.5% fail on Steering gear
      • 1.4% fail on Steering rack
      • 0.063% fail on Operation
    • 0.44% fail on Steering play (2 times worse than other 2000 cars)
      • 0.44% fail on Steering rack (2 times worse than other 2000 cars)
    • 0.19% fail on Electronic power steering (10 times worse than other 2000 cars)
    • 0.13% fail on Steering wheel
  • 8.4% fail on Visibility
    • 4.6% fail on Washers
    • 3.4% fail on Wipers
    • 0.70% fail on View to rear
      • 0.70% fail on Mirrors
    • 0.32% fail on Condition of glass
      • 0.32% fail on Windscreen
    • 0.13% fail on Bonnet
    • 0.063% fail on Driver's view
  • 6.3% fail on Noise, emissions and leaks (34% better than other 2000 cars)
    • 5.5% fail on Exhaust emissions (40% better than other 2000 cars)
      • 3.5% fail on Spark ignition (58% better than other 2000 cars)
        • 2.9% fail on Catalyst emissions (50% better than other 2000 cars)
        • 0.57% fail on Emissions not tested
        • 0.13% fail on Emission control equipment
          • 0.13% fail on Catalytic converter
        • 0.13% fail on Malfunction indicator lamp (94% better than other 2000 cars)
      • 2.0% fail on Compression ignition (170% worse than other 2000 cars)
        • 1.7% fail on Pre 01/07/2008 Turbo (4 times worse than other 2000 cars)
        • 0.19% fail on Emission control equipment (4 times worse than other 2000 cars)
          • 0.19% fail on Catalytic converter (5 times worse than other 2000 cars)
        • 0.13% fail on Emissions not tested
        • 0.063% fail on Malfunction indicator lamp
    • 1.0% fail on Fluid leaks
      • 0.63% fail on Engine oil leaks
      • 0.19% fail on Transmission oil leaks
      • 0.19% fail on Other leaks
      • 0.063% fail on Hydraulic fluid leaks
  • 6.1% fail on Body, chassis, structure (46% better than other 2000 cars)
    • 2.1% fail on Transmission (44% better than other 2000 cars)
      • 1.8% fail on Drive shafts (48% better than other 2000 cars)
        • 1.8% fail on Joints (47% better than other 2000 cars)
      • 0.32% fail on Prop shafts
        • 0.13% fail on Prop shaft
        • 0.13% fail on Joints
        • 0.063% fail on Flexible couplings
    • 1.7% fail on Exhaust system (57% better than other 2000 cars)
    • 0.82% fail on Doors
      • 0.44% fail on Other passenger's door
        • 0.44% fail on Door condition
      • 0.19% fail on Driver's door
        • 0.19% fail on Door condition
      • 0.19% fail on Front passenger's door
        • 0.19% fail on Door condition
    • 0.76% fail on Seats (130% worse than other 2000 cars)
      • 0.57% fail on Driver's seat (160% worse than other 2000 cars)
      • 0.19% fail on Passenger's seat
    • 0.44% fail on Towbar
      • 0.44% fail on Vehicle structure (200% worse than other 2000 cars)
    • 0.32% fail on Chassis (71% better than other 2000 cars)
      • 0.32% fail on Chassis condition (71% better than other 2000 cars)
    • 0.32% fail on Fuel system
      • 0.19% fail on System
      • 0.063% fail on Hose
      • 0.063% fail on Fuel cap/sealing device
    • 0.25% fail on Integral vehicle structure (80% better than other 2000 cars)
      • 0.25% fail on Integral vehicle structure condition (79% better than other 2000 cars)
    • 0.25% fail on Bumpers
    • 0.13% fail on Body
      • 0.13% fail on Other body component
    • 0.063% fail on Spare wheel
      • 0.063% fail on Spare wheel condition
  • 5.1% fail on Tyres
    • 3.4% fail on Tread depth
    • 2.0% fail on Condition
  • 3.7% fail on Seat belts and supplementary restraint systems
    • 3.2% fail on SRS malfunction indicator lamp (95% worse than other 2000 cars)
    • 0.89% fail on Seat belts (69% better than other 2000 cars)
      • 0.57% fail on Condition
      • 0.25% fail on Prescribed areas (89% better than other 2000 cars)
      • 0.063% fail on Requirements
  • 1.3% fail on Identification of the vehicle
    • 1.3% fail on Registration plates
  • 0.95% fail on Road Wheels (160% worse than other 2000 cars)
    • 0.89% fail on Attachment (2 times worse than other 2000 cars)
    • 0.063% fail on Condition
  • 0.063% fail on Speedometer and speed limiter
    • 0.063% fail on Speedometer

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