Mercedes-Benz M-Class MOT Results

Registered in 2014
84.1% pass rate
from 4,019 tests in 2021
(29% 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.

  • 4.8% fail on Tyres
    • 3.2% fail on Condition (37% worse than other 2014 cars)
    • 1.8% fail on Tread depth (31% better than other 2014 cars)
  • 3.4% fail on Lamps, reflectors and electrical equipment (45% better than other 2014 cars)
    • 1.7% fail on Headlamp aim
      • 1.6% fail on Headlamp aim
      • 0.100% fail on Headlamp aim not tested
    • 0.85% fail on Headlamps (48% better than other 2014 cars)
      • 0.62% fail on Headlamp (59% better than other 2014 cars)
      • 0.20% fail on Headlamp cleaning device (2 times worse than other 2014 cars)
      • 0.025% fail on Headlamp levelling device
    • 0.72% fail on Stop lamp (48% better than other 2014 cars)
    • 0.27% fail on Direction indicators
      • 0.27% fail on Flashing type
        • 0.20% fail on Side repeaters
        • 0.075% fail on Individual direction indicators
    • 0.12% fail on Front and rear fog lamps
      • 0.12% fail on Rear fog lamp
        • 0.12% fail on Rear fog lamp
    • 0.050% fail on Registration plate lamp(s) (94% better than other 2014 cars)
    • 0.025% fail on Mandatory tell-tales
      • 0.025% fail on Main beam tell-tale
    • 0.025% fail on Electrical equipment
      • 0.025% fail on Horn
  • 3.0% fail on Suspension (37% better than other 2014 cars)
    • 2.7% fail on Springs
      • 2.7% fail on Coil springs
        • 2.7% fail on Coil spring
    • 0.075% fail on Air/gas/fluid suspension (11 times worse than other 2014 cars)
      • 0.075% fail on Suspension unit (45 times worse than other 2014 cars)
    • 0.050% fail on Shock absorbers (84% better than other 2014 cars)
    • 0.050% fail on Suspension arms (97% better than other 2014 cars)
      • 0.025% fail on Suspension arm
      • 0.025% fail on Pins and bushes
    • 0.050% fail on Anti-roll bars (90% better than other 2014 cars)
      • 0.025% fail on Anti-roll bar
      • 0.025% fail on Linkage pins and bushes
    • 0.025% fail on Wheel bearings
  • 1.6% fail on Noise, emissions and leaks
    • 1.6% fail on Exhaust emissions
      • 1.1% fail on Compression ignition (91% worse than other 2014 cars)
        • 1.1% fail on Malfunction indicator lamp (2 times worse than other 2014 cars)
        • 0.050% fail on On or after 01/01/2014 (79% better than other 2014 cars)
      • 0.47% fail on Spark ignition (43% better than other 2014 cars)
        • 0.47% fail on Malfunction indicator lamp
  • 1.5% fail on Brakes (64% better than other 2014 cars)
    • 1.2% fail on Mechanical brake components (50% better than other 2014 cars)
      • 1.1% fail on Brake linings and pads (42% better than other 2014 cars)
        • 1.1% fail on Brake pads (43% better than other 2014 cars)
        • 0.025% fail on Brake linings
      • 0.27% fail on Brake discs and drums (65% better than other 2014 cars)
        • 0.27% fail on Brake discs (65% better than other 2014 cars)
    • 0.27% fail on Brake performance (82% better than other 2014 cars)
      • 0.075% fail on Service brake performance (91% better than other 2014 cars)
        • 0.050% fail on Rbt (94% better than other 2014 cars)
          • 0.025% fail on Service brake performance
          • 0.025% fail on Service brake imbalance
        • 0.025% fail on Decelerometer
          • 0.025% fail on Service brake performance
      • 0.075% fail on Brake performance not tested
      • 0.075% fail on Parking brake efficiency (sp) (86% better than other 2014 cars)
        • 0.050% fail on Rbt (sp) (90% better than other 2014 cars)
        • 0.025% fail on Decelerometer (sp)
      • 0.050% fail on Service Brake Efficiency (sp)
        • 0.025% fail on Rbt (sp)
          • 0.025% fail on Service brake performance
        • 0.025% fail on Decelerometer (sp)
      • 0.025% fail on Parking brake performance
        • 0.025% fail on Rbt
          • 0.025% fail on Parking brake performance
    • 0.050% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.050% fail on Hydraulic brake callipers
    • 0.025% fail on Hydraulic systems
      • 0.025% fail on Brake fluid
  • 1.5% fail on Visibility (62% better than other 2014 cars)
    • 0.92% fail on Washers (45% better than other 2014 cars)
    • 0.45% fail on Wipers (80% better than other 2014 cars)
    • 0.12% fail on Condition of glass
      • 0.12% fail on Windscreen
    • 0.050% fail on Bonnet
    • 0.025% fail on View to rear
      • 0.025% fail on Mirrors
  • 0.75% fail on Body, chassis, structure (49% better than other 2014 cars)
    • 0.52% fail on Transmission
      • 0.45% fail on Drive shafts
        • 0.45% fail on Joints
      • 0.075% fail on Prop shafts
        • 0.075% fail on Joints
    • 0.20% fail on Doors
      • 0.20% fail on Other passenger's door (3 times worse than other 2014 cars)
        • 0.20% fail on Door condition (3 times worse than other 2014 cars)
    • 0.025% fail on Seats
      • 0.025% fail on Driver's seat
  • 0.72% fail on Identification of the vehicle (2 times worse than other 2014 cars)
    • 0.72% fail on Registration plates (2 times worse than other 2014 cars)
  • 0.52% fail on Road Wheels (98% worse than other 2014 cars)
    • 0.30% fail on Condition (4 times worse than other 2014 cars)
    • 0.22% fail on Attachment
  • 0.50% fail on Seat belts and supplementary restraint systems
    • 0.27% fail on SRS malfunction indicator lamp
    • 0.20% fail on Seat belts
      • 0.17% fail on Condition
      • 0.025% fail on Requirements
    • 0.025% fail on Airbags
      • 0.025% fail on Passengers airbag
  • 0.050% fail on Steering (94% better than other 2014 cars)
    • 0.025% fail on Steering gear
      • 0.025% fail on Steering rack
    • 0.025% fail on Steering play
      • 0.025% fail on Steering rack
  • 0.025% fail on Seat belt installation check
    • 0.025% fail on Belt(s)/padding
Read the Honest John Review

Search Good Garages