Mercedes-Benz M-Class MOT Results

Registered in 2011
73.9% pass rate
from 3,196 tests in 2020
(15% better than other 2011 cars)
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 2011 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 9.2% fail on Lamps, reflectors and electrical equipment (14% better than other 2011 cars)
    • 2.6% fail on Stop lamp
    • 2.4% fail on Headlamps
      • 1.8% fail on Headlamp
      • 0.66% fail on Headlamp cleaning device (8 times worse than other 2011 cars)
      • 0.031% fail on Headlamp levelling device
    • 2.3% fail on Position lamps (55% worse than other 2011 cars)
      • 2.3% fail on Position lamp (54% worse than other 2011 cars)
      • 0.063% fail on All position lamps
    • 1.8% fail on Headlamp aim (32% better than other 2011 cars)
      • 1.8% fail on Headlamp aim (29% better than other 2011 cars)
      • 0.094% fail on Headlamp aim not tested
    • 0.63% fail on Direction indicators (56% better than other 2011 cars)
      • 0.63% fail on Flashing type (56% better than other 2011 cars)
        • 0.41% fail on Side repeaters
        • 0.22% fail on Individual direction indicators (73% better than other 2011 cars)
    • 0.19% fail on Registration plate lamp(s) (89% better than other 2011 cars)
    • 0.16% fail on Front and rear fog lamps
      • 0.16% fail on Rear fog lamp
        • 0.16% fail on Rear fog lamp
    • 0.13% fail on Reversing lamps
      • 0.13% fail on Reversing lamps
    • 0.13% fail on Rear reflectors
    • 0.063% fail on Electrical equipment
      • 0.063% fail on Trailer electrical socket
  • 5.9% fail on Suspension (31% better than other 2011 cars)
    • 5.0% fail on Springs (56% worse than other 2011 cars)
      • 5.0% fail on Coil springs (56% worse than other 2011 cars)
        • 5.0% fail on Coil spring (56% worse than other 2011 cars)
    • 0.66% fail on Shock absorbers
    • 0.094% fail on Suspension arms (96% better than other 2011 cars)
      • 0.063% fail on Ball joint dust cover
      • 0.031% fail on Ball joint
    • 0.094% fail on Anti-roll bars (94% better than other 2011 cars)
      • 0.063% fail on Ball joint
      • 0.031% fail on Linkage ball joint dust cover
    • 0.063% fail on Wheel bearings (80% better than other 2011 cars)
    • 0.031% fail on Air/gas/fluid suspension
      • 0.031% fail on Levelling valve
  • 5.8% fail on Brakes
    • 2.3% fail on Brake performance
      • 1.6% fail on Parking brake efficiency (sp) (66% worse than other 2011 cars)
        • 0.91% fail on Rbt (sp)
        • 0.63% fail on Decelerometer (sp) (10 times worse than other 2011 cars)
        • 0.031% fail on Gradient tester (sp)
      • 0.41% fail on Service brake performance (68% better than other 2011 cars)
        • 0.41% fail on Rbt (67% better than other 2011 cars)
          • 0.31% fail on Service brake performance (70% better than other 2011 cars)
          • 0.094% fail on Service brake imbalance
      • 0.25% fail on Brake performance not tested (2 times worse than other 2011 cars)
      • 0.22% fail on Service Brake Efficiency (sp)
        • 0.16% fail on Rbt (sp)
          • 0.094% fail on Service brake performance
          • 0.063% fail on Service brake imbalance
        • 0.063% fail on Decelerometer (sp) (8 times worse than other 2011 cars)
      • 0.16% fail on Parking brake performance
        • 0.16% fail on Rbt
          • 0.13% fail on Parking brake performance
          • 0.031% fail on Parking (secondary brake performance)
    • 2.3% fail on Rigid brake pipes (5 times worse than other 2011 cars)
    • 1.1% fail on Mechanical brake components (65% better than other 2011 cars)
      • 0.91% fail on Brake linings and pads (63% better than other 2011 cars)
        • 0.91% fail on Brake pads (63% better than other 2011 cars)
      • 0.19% fail on Brake discs and drums (79% better than other 2011 cars)
        • 0.19% fail on Brake discs (79% better than other 2011 cars)
      • 0.094% fail on Brake cables, rods, levers and linkages
        • 0.094% fail on Cable
    • 0.44% fail on ABS / EBS / ESC
      • 0.31% fail on Anti-lock braking system
      • 0.094% fail on Electronic stability control
      • 0.031% fail on Electronic braking system
    • 0.25% fail on Parking brake control
      • 0.25% fail on Lever
    • 0.16% fail on Service brake pedal or hand lever
      • 0.094% fail on Hand lever
      • 0.063% fail on Pedal
    • 0.094% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.094% fail on Hydraulic brake callipers
    • 0.031% fail on Hydraulic systems
      • 0.031% fail on Brake fluid
  • 5.6% fail on Tyres
    • 3.6% fail on Condition (28% worse than other 2011 cars)
    • 2.3% fail on Tread depth (35% better than other 2011 cars)
    • 0.031% fail on Size/type
  • 1.7% fail on Noise, emissions and leaks
    • 1.6% fail on Exhaust emissions
      • 1.1% fail on Compression ignition (61% worse than other 2011 cars)
        • 1.1% fail on Malfunction indicator lamp (190% worse than other 2011 cars)
        • 0.031% fail on Emissions not tested
      • 0.47% fail on Spark ignition (56% better than other 2011 cars)
        • 0.47% fail on Malfunction indicator lamp
    • 0.13% fail on Fluid leaks
      • 0.094% fail on Engine oil leaks
      • 0.031% fail on Other leaks
  • 1.6% fail on Visibility (65% better than other 2011 cars)
    • 0.78% fail on Wipers (66% better than other 2011 cars)
    • 0.59% fail on Washers (70% better than other 2011 cars)
    • 0.094% fail on View to rear
      • 0.063% fail on Mirrors
      • 0.031% fail on Indirect vision devices
    • 0.031% fail on Driver's view
    • 0.031% fail on Bonnet
    • 0.031% fail on Condition of glass
      • 0.031% fail on Windscreen
  • 1.5% fail on Body, chassis, structure (34% better than other 2011 cars)
    • 1.1% fail on Transmission
      • 1.1% fail on Drive shafts
        • 1.1% fail on Joints
      • 0.063% fail on Prop shafts
        • 0.063% fail on Joints
    • 0.28% fail on Exhaust system (69% better than other 2011 cars)
    • 0.063% fail on Boot lid
      • 0.063% fail on Boot lid condition (4 times worse than other 2011 cars)
    • 0.031% fail on Fuel system
      • 0.031% fail on Hose
    • 0.031% fail on Load security
      • 0.031% fail on Tailgate
        • 0.031% fail on Tailgate condition
    • 0.031% fail on Doors
      • 0.031% fail on Other passenger's door
        • 0.031% fail on Door condition
    • 0.031% fail on Seats
      • 0.031% fail on Driver's seat
  • 0.53% fail on Identification of the vehicle
    • 0.53% fail on Registration plates
  • 0.50% fail on Seat belts and supplementary restraint systems
    • 0.38% fail on Seat belts
      • 0.34% fail on Condition
      • 0.031% fail on Requirements
    • 0.13% fail on SRS malfunction indicator lamp
  • 0.47% fail on Road Wheels
    • 0.38% fail on Attachment
    • 0.094% fail on Condition
  • 0.22% fail on Steering (82% better than other 2011 cars)
    • 0.063% fail on Steering linkage components (94% better than other 2011 cars)
      • 0.031% fail on Ball joint
      • 0.031% fail on Locking devices
    • 0.063% fail on Power steering
      • 0.031% fail on Operation
      • 0.031% fail on Rams
    • 0.063% fail on Steering coupling (7 times worse than other 2011 cars)
      • 0.063% fail on Universal joint (8 times worse than other 2011 cars)
    • 0.031% fail on Steering wheel
    • 0.031% fail on Steering play
      • 0.031% fail on Steering rack
  • 0.031% fail on Seat belt installation check
    • 0.031% fail on Belt(s)/padding
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