Mercedes-Benz M-Class MOT Results

Registered in 2015
86.7% pass rate
from 3,174 tests in 2020
(28% better than other 2015 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 2015 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 4.9% fail on Tyres (14% worse than other 2015 cars)
    • 3.1% fail on Condition (48% worse than other 2015 cars)
    • 1.9% fail on Tread depth (19% better than other 2015 cars)
    • 0.032% fail on Size/type
  • 3.4% fail on Lamps, reflectors and electrical equipment (18% better than other 2015 cars)
    • 2.0% fail on Headlamp aim (22% worse than other 2015 cars)
      • 1.9% fail on Headlamp aim (26% worse than other 2015 cars)
      • 0.032% fail on Headlamp aim not tested
    • 0.91% fail on Headlamps (0.86% worse than other 2015 cars)
      • 0.76% fail on Headlamp cleaning device (12 times worse than other 2015 cars)
      • 0.16% fail on Headlamp (81% better than other 2015 cars)
    • 0.25% fail on Stop lamp (68% better than other 2015 cars)
    • 0.13% fail on Front and rear fog lamps (41% better than other 2015 cars)
      • 0.13% fail on Rear fog lamp (41% better than other 2015 cars)
        • 0.13% fail on Rear fog lamp (39% better than other 2015 cars)
    • 0.095% fail on Direction indicators (73% better than other 2015 cars)
      • 0.095% fail on Flashing type (73% better than other 2015 cars)
        • 0.063% fail on Side repeaters (75% better than other 2015 cars)
        • 0.032% fail on Individual direction indicators
    • 0.063% fail on Registration plate lamp(s) (88% better than other 2015 cars)
    • 0.063% fail on Rear reflectors (99% worse than other 2015 cars)
    • 0.032% fail on Position lamps
      • 0.032% fail on Position lamp
    • 0.032% fail on Electrical equipment
      • 0.032% fail on Trailer electrical socket
  • 1.2% fail on Visibility (71% better than other 2015 cars)
    • 0.63% fail on Washers (43% better than other 2015 cars)
    • 0.25% fail on Wipers (92% better than other 2015 cars)
    • 0.16% fail on Driver's view (140% worse than other 2015 cars)
    • 0.095% fail on Condition of glass (67% worse than other 2015 cars)
      • 0.095% fail on Windscreen (70% worse than other 2015 cars)
    • 0.063% fail on View to rear (39% worse than other 2015 cars)
      • 0.063% fail on Mirrors (43% worse than other 2015 cars)
    • 0.032% fail on Bonnet
  • 1.2% fail on Brakes (63% better than other 2015 cars)
    • 0.69% fail on Mechanical brake components (70% better than other 2015 cars)
      • 0.63% fail on Brake linings and pads (68% better than other 2015 cars)
        • 0.63% fail on Brake pads (67% better than other 2015 cars)
      • 0.22% fail on Brake discs and drums (59% better than other 2015 cars)
        • 0.22% fail on Brake discs (59% better than other 2015 cars)
    • 0.38% fail on Brake performance (55% better than other 2015 cars)
      • 0.19% fail on Service brake performance (61% better than other 2015 cars)
        • 0.19% fail on Rbt (60% better than other 2015 cars)
          • 0.19% fail on Service brake performance (51% better than other 2015 cars)
      • 0.063% fail on Brake performance not tested (47% worse than other 2015 cars)
      • 0.063% fail on Service Brake Efficiency (sp) (31% better than other 2015 cars)
        • 0.032% fail on Rbt (sp)
          • 0.032% fail on Service brake performance
        • 0.032% fail on Decelerometer (sp)
      • 0.063% fail on Parking brake efficiency (sp) (76% better than other 2015 cars)
        • 0.063% fail on Rbt (sp) (75% better than other 2015 cars)
      • 0.032% fail on Parking brake performance
        • 0.032% fail on Rbt
          • 0.032% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
    • 0.095% fail on Flexible brake hoses (150% worse than other 2015 cars)
    • 0.032% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.032% fail on Hydraulic brake callipers
  • 1.2% fail on Noise, emissions and leaks (42% worse than other 2015 cars)
    • 1.2% fail on Exhaust emissions (48% worse than other 2015 cars)
      • 0.85% fail on Compression ignition (140% worse than other 2015 cars)
        • 0.85% fail on Malfunction indicator lamp (3 times worse than other 2015 cars)
        • 0.032% fail on Emissions not tested
      • 0.35% fail on Spark ignition (25% better than other 2015 cars)
        • 0.35% fail on Malfunction indicator lamp (15% worse than other 2015 cars)
  • 0.69% fail on Suspension (71% better than other 2015 cars)
    • 0.44% fail on Springs (62% better than other 2015 cars)
      • 0.44% fail on Coil springs (62% better than other 2015 cars)
        • 0.44% fail on Coil spring (62% better than other 2015 cars)
    • 0.19% fail on Shock absorbers (43% better than other 2015 cars)
    • 0.032% fail on Wheel bearings
    • 0.032% fail on Anti-roll bars
      • 0.032% fail on Linkage ball joints
  • 0.38% fail on Identification of the vehicle (89% worse than other 2015 cars)
    • 0.38% fail on Registration plates (89% worse than other 2015 cars)
  • 0.35% fail on Road Wheels (89% worse than other 2015 cars)
    • 0.22% fail on Condition (3 times worse than other 2015 cars)
    • 0.13% fail on Attachment (7.2% better than other 2015 cars)
  • 0.22% fail on Body, chassis, structure (69% better than other 2015 cars)
    • 0.095% fail on Transmission (65% better than other 2015 cars)
      • 0.095% fail on Drive shafts (62% better than other 2015 cars)
        • 0.095% fail on Joints (62% better than other 2015 cars)
    • 0.063% fail on Seats (170% worse than other 2015 cars)
      • 0.063% fail on Driver's seat (3 times worse than other 2015 cars)
    • 0.032% fail on Fuel system
      • 0.032% fail on Fuel cap/sealing device
    • 0.032% fail on Body
      • 0.032% fail on Other body component
  • 0.16% fail on Seat belts and supplementary restraint systems (49% better than other 2015 cars)
    • 0.095% fail on Seat belts (46% better than other 2015 cars)
      • 0.095% fail on Condition (42% better than other 2015 cars)
    • 0.063% fail on SRS malfunction indicator lamp (52% better than other 2015 cars)
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