Mercedes-Benz M-Class MOT Results

Registered in 2014
86.1% pass rate
from 4,004 tests in 2020
(32% better than other 2014 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 2014 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 4.6% fail on Tyres
    • 2.9% fail on Condition (42% worse than other 2014 cars)
    • 1.8% fail on Tread depth (26% better than other 2014 cars)
    • 0.050% fail on Size/type
  • 3.3% fail on Lamps, reflectors and electrical equipment (42% better than other 2014 cars)
    • 1.7% fail on Headlamp aim
      • 1.7% fail on Headlamp aim
      • 0.025% fail on Headlamp aim not tested
    • 0.75% fail on Headlamps (41% better than other 2014 cars)
      • 0.50% fail on Headlamp (58% better than other 2014 cars)
      • 0.20% fail on Headlamp cleaning device (2 times worse than other 2014 cars)
      • 0.050% fail on Headlamp levelling device
    • 0.52% fail on Stop lamp (55% better than other 2014 cars)
    • 0.25% fail on Direction indicators
      • 0.25% fail on Flashing type
        • 0.15% fail on Side repeaters
        • 0.050% fail on Switch (19 times worse than other 2014 cars)
        • 0.025% fail on All direction indicators
        • 0.025% fail on Individual direction indicators
    • 0.12% fail on Electrical equipment
      • 0.050% fail on Trailer electrical socket (5 times worse than other 2014 cars)
      • 0.050% fail on Horn
      • 0.025% fail on Electrical wiring
    • 0.075% fail on Position lamps (83% better than other 2014 cars)
      • 0.075% fail on Position lamp (83% better than other 2014 cars)
    • 0.050% fail on Rear reflectors
    • 0.025% fail on Front and rear fog lamps
      • 0.025% fail on Rear fog lamp
        • 0.025% fail on Rear fog lamp
    • 0.025% fail on Reversing lamps
      • 0.025% fail on Reversing lamps
    • 0.025% fail on Registration plate lamp(s)
  • 1.8% fail on Brakes (50% better than other 2014 cars)
    • 1.4% fail on Mechanical brake components (44% better than other 2014 cars)
      • 1.3% fail on Brake linings and pads (39% better than other 2014 cars)
        • 1.3% fail on Brake pads (40% better than other 2014 cars)
        • 0.025% fail on Brake linings
      • 0.20% fail on Brake discs and drums (61% better than other 2014 cars)
        • 0.20% fail on Brake discs (61% better than other 2014 cars)
    • 0.32% fail on Brake performance (65% better than other 2014 cars)
      • 0.17% fail on Service brake performance (68% better than other 2014 cars)
        • 0.15% fail on Rbt (72% better than other 2014 cars)
          • 0.12% fail on Service brake performance (72% better than other 2014 cars)
          • 0.025% fail on Service brake imbalance
        • 0.025% fail on Plate brake tester
          • 0.025% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.100% fail on Service Brake Efficiency (sp)
        • 0.050% fail on Rbt (sp)
          • 0.025% fail on Service brake performance
          • 0.025% fail on Service brake imbalance
        • 0.050% fail on Decelerometer (sp) (11 times worse than other 2014 cars)
      • 0.075% fail on Parking brake efficiency (sp)
        • 0.075% fail on Rbt (sp)
      • 0.025% fail on Brake performance not tested
    • 0.075% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.075% fail on Hydraulic brake callipers
    • 0.050% fail on Flexible brake hoses
    • 0.025% fail on Other components and prescribed areas
      • 0.025% fail on Other components
  • 1.3% fail on Noise, emissions and leaks (44% worse than other 2014 cars)
    • 1.3% fail on Exhaust emissions (47% worse than other 2014 cars)
      • 0.97% fail on Compression ignition (110% worse than other 2014 cars)
        • 0.95% fail on Malfunction indicator lamp (4 times worse than other 2014 cars)
        • 0.025% fail on On or after 01/07/2008
      • 0.32% fail on Spark ignition
        • 0.32% fail on Malfunction indicator lamp
    • 0.025% fail on Fluid leaks
      • 0.025% fail on Transmission oil leaks
  • 1.1% fail on Visibility (73% better than other 2014 cars)
    • 0.62% fail on Washers (53% better than other 2014 cars)
    • 0.37% fail on Wipers (86% better than other 2014 cars)
    • 0.075% fail on Condition of glass
      • 0.075% fail on Windscreen
    • 0.050% fail on Driver's view
    • 0.025% fail on Bonnet
  • 0.77% fail on Suspension (66% better than other 2014 cars)
    • 0.50% fail on Springs
      • 0.50% fail on Coil springs
        • 0.50% fail on Coil spring
    • 0.20% fail on Shock absorbers
    • 0.050% fail on Air/gas/fluid suspension (11 times worse than other 2014 cars)
      • 0.025% fail on Operation
      • 0.025% fail on Bellows
    • 0.025% fail on Wheel bearings
  • 0.47% fail on Identification of the vehicle (110% worse than other 2014 cars)
    • 0.47% fail on Registration plates (110% worse than other 2014 cars)
  • 0.45% fail on Body, chassis, structure (51% better than other 2014 cars)
    • 0.35% fail on Transmission
      • 0.32% fail on Drive shafts
        • 0.32% fail on Joints
      • 0.025% fail on Prop shafts
        • 0.025% fail on Joints
    • 0.075% fail on Body
      • 0.075% fail on Other body component
    • 0.025% fail on Bumpers
    • 0.025% fail on Doors
      • 0.025% fail on Other passenger's door
        • 0.025% fail on Door condition
  • 0.35% fail on Seat belts and supplementary restraint systems
    • 0.25% fail on SRS malfunction indicator lamp
    • 0.100% fail on Seat belts
      • 0.100% fail on Condition
      • 0.025% fail on Attachment
  • 0.27% fail on Road Wheels
    • 0.17% fail on Attachment
    • 0.100% fail on Condition
  • 0.025% fail on Steering
    • 0.025% fail on Steering linkage components
      • 0.025% fail on Other components
        • 0.025% fail on Steering linkage
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