Mercedes-Benz M-Class MOT Results

Registered in 2012
80.9% pass rate
from 2,847 tests in 2020
(28% better than other 2012 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 2012 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 4.8% fail on Noise, emissions and leaks (2 times worse than other 2012 cars)
    • 4.8% fail on Exhaust emissions (2 times worse than other 2012 cars)
      • 3.3% fail on Compression ignition (5 times worse than other 2012 cars)
        • 3.2% fail on Malfunction indicator lamp (9 times worse than other 2012 cars)
        • 0.035% fail on On or after 01/07/2008
      • 1.5% fail on Spark ignition (89% worse than other 2012 cars)
        • 1.5% fail on Malfunction indicator lamp (2 times worse than other 2012 cars)
    • 0.070% fail on Fluid leaks
      • 0.070% fail on Engine oil leaks
  • 4.0% fail on Tyres (29% better than other 2012 cars)
    • 2.5% fail on Condition
    • 1.6% fail on Tread depth (50% better than other 2012 cars)
    • 0.035% fail on Size/type
  • 3.9% fail on Lamps, reflectors and electrical equipment (57% better than other 2012 cars)
    • 1.8% fail on Headlamp aim
      • 1.8% fail on Headlamp aim
      • 0.035% fail on Headlamp aim not tested
    • 1.1% fail on Headlamps (48% better than other 2012 cars)
      • 0.98% fail on Headlamp (50% better than other 2012 cars)
      • 0.11% fail on Headlamp cleaning device
    • 0.91% fail on Stop lamp (49% better than other 2012 cars)
    • 0.21% fail on Direction indicators (84% better than other 2012 cars)
      • 0.21% fail on Flashing type (84% better than other 2012 cars)
        • 0.14% fail on Side repeaters (74% better than other 2012 cars)
        • 0.070% fail on All direction indicators
    • 0.18% fail on Position lamps (85% better than other 2012 cars)
      • 0.18% fail on Position lamp (84% better than other 2012 cars)
    • 0.11% fail on Front and rear fog lamps
      • 0.11% fail on Rear fog lamp
        • 0.11% fail on Rear fog lamp
  • 3.0% fail on Suspension (54% better than other 2012 cars)
    • 2.2% fail on Springs
      • 2.2% fail on Coil springs
        • 2.2% fail on Coil spring
    • 0.49% fail on Anti-roll bars
      • 0.21% fail on Linkage pins and bushes (7 times worse than other 2012 cars)
      • 0.14% fail on Ball joint
      • 0.11% fail on Linkage ball joints (74% better than other 2012 cars)
      • 0.035% fail on Linkage ball joint dust cover
    • 0.28% fail on Shock absorbers (60% better than other 2012 cars)
  • 2.2% fail on Brakes (57% better than other 2012 cars)
    • 1.9% fail on Mechanical brake components (36% better than other 2012 cars)
      • 1.8% fail on Brake linings and pads
        • 1.8% fail on Brake pads
      • 0.46% fail on Brake discs and drums
        • 0.42% fail on Brake discs
        • 0.035% fail on Brake drums
    • 0.25% fail on Brake performance (87% better than other 2012 cars)
      • 0.14% fail on Service brake performance (87% better than other 2012 cars)
        • 0.14% fail on Rbt (86% better than other 2012 cars)
          • 0.14% fail on Service brake performance (84% better than other 2012 cars)
      • 0.070% fail on Parking brake efficiency (sp) (89% better than other 2012 cars)
        • 0.070% fail on Decelerometer (sp)
      • 0.035% fail on Brake performance not tested
    • 0.070% fail on Service brake pedal or hand lever
      • 0.070% fail on Pedal
    • 0.070% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.070% fail on Hydraulic brake callipers
    • 0.070% fail on ABS / EBS / ESC
      • 0.070% fail on Anti-lock braking system
      • 0.035% fail on Electronic stability control
    • 0.035% fail on Air and vacuum systems
      • 0.035% fail on Servos
    • 0.035% fail on Hydraulic systems
      • 0.035% fail on Valves
    • 0.035% fail on Rigid brake pipes
  • 2.1% fail on Body, chassis, structure
    • 1.2% fail on Doors (10 times worse than other 2012 cars)
      • 0.95% fail on Other passenger's door (27 times worse than other 2012 cars)
        • 0.95% fail on Door condition (29 times worse than other 2012 cars)
      • 0.18% fail on Front passenger's door (3 times worse than other 2012 cars)
        • 0.18% fail on Door condition (3 times worse than other 2012 cars)
      • 0.035% fail on Driver's door
        • 0.035% fail on Door condition
    • 0.98% fail on Transmission
      • 0.95% fail on Drive shafts
        • 0.95% fail on Joints
      • 0.035% fail on Prop shafts
        • 0.035% fail on Joints
    • 0.070% fail on Fuel system
      • 0.035% fail on Fuel cap/sealing device
      • 0.035% fail on System
    • 0.035% fail on Body
      • 0.035% fail on Other body component
  • 1.1% fail on Visibility (73% better than other 2012 cars)
    • 0.53% fail on Wipers (77% better than other 2012 cars)
    • 0.53% fail on Washers (70% better than other 2012 cars)
    • 0.070% fail on Condition of glass
      • 0.070% fail on Windscreen
  • 0.77% fail on Seat belts and supplementary restraint systems
    • 0.67% fail on SRS malfunction indicator lamp (140% worse than other 2012 cars)
    • 0.070% fail on Airbags
      • 0.035% fail on Drivers airbag
      • 0.035% fail on Passengers airbag
    • 0.035% fail on Seat belts
      • 0.035% fail on Condition
  • 0.67% fail on Identification of the vehicle (99% worse than other 2012 cars)
    • 0.67% fail on Registration plates (100% worse than other 2012 cars)
  • 0.63% fail on Road Wheels (96% worse than other 2012 cars)
    • 0.39% fail on Attachment
    • 0.25% fail on Condition
  • 0.070% fail on Steering (92% better than other 2012 cars)
    • 0.035% fail on Steering gear
      • 0.035% fail on Steering rack
    • 0.035% fail on Steering linkage components
      • 0.035% fail on Track rod end
  • 0.035% fail on Buses and coaches supplementary tests
    • 0.035% fail on Doors
      • 0.035% fail on Passenger entrance/exit doors
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