Mercedes-Benz M-Class MOT Results

Registered in 2007
67.1% pass rate
from 3,824 tests in 2020
(24% better than other 2007 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 2007 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment (19% better than other 2007 cars)
    • 6.0% fail on Stop lamp (34% worse than other 2007 cars)
    • 2.6% fail on Position lamps
      • 2.6% fail on Position lamp
      • 0.026% fail on All position lamps
    • 2.5% fail on Headlamps (37% better than other 2007 cars)
      • 2.4% fail on Headlamp (35% better than other 2007 cars)
      • 0.026% fail on Headlamp levelling device
    • 2.4% fail on Direction indicators
      • 2.4% fail on Flashing type
        • 1.6% fail on Individual direction indicators
        • 0.68% fail on Side repeaters
        • 0.13% fail on All direction indicators
    • 1.9% fail on Headlamp aim (50% better than other 2007 cars)
      • 1.8% fail on Headlamp aim (49% better than other 2007 cars)
      • 0.16% fail on Headlamp aim not tested
    • 1.1% fail on Registration plate lamp(s) (57% better than other 2007 cars)
    • 0.42% fail on Front and rear fog lamps
      • 0.42% fail on Rear fog lamp
        • 0.42% fail on Rear fog lamp
    • 0.18% fail on Electrical equipment (72% better than other 2007 cars)
      • 0.078% fail on Trailer electrical socket (4 times worse than other 2007 cars)
      • 0.078% fail on Horn (80% better than other 2007 cars)
      • 0.026% fail on Electrical wiring
    • 0.026% fail on Rear reflectors
  • 11% fail on Brakes
    • 5.2% fail on Brake performance
      • 3.4% fail on Parking brake efficiency (sp) (30% worse than other 2007 cars)
        • 2.0% fail on Rbt (sp)
        • 1.3% fail on Decelerometer (sp) (9 times worse than other 2007 cars)
        • 0.078% fail on Gradient tester (sp) (9 times worse than other 2007 cars)
        • 0.052% fail on Plate brake tester (sp) (5 times worse than other 2007 cars)
      • 1.2% fail on Service brake performance (48% better than other 2007 cars)
        • 1.1% fail on Rbt (53% better than other 2007 cars)
          • 0.94% fail on Service brake performance (52% better than other 2007 cars)
          • 0.21% fail on Service brake imbalance (59% better than other 2007 cars)
        • 0.13% fail on Decelerometer (7 times worse than other 2007 cars)
          • 0.13% fail on Service brake performance (8 times worse than other 2007 cars)
      • 0.71% fail on Parking brake performance (39% better than other 2007 cars)
        • 0.65% fail on Rbt (42% better than other 2007 cars)
          • 0.50% fail on Parking brake performance (50% better than other 2007 cars)
          • 0.16% fail on Parking (secondary brake performance)
        • 0.026% fail on Decelerometer
          • 0.026% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.026% fail on Plate brake tester
          • 0.026% fail on Parking (secondary brake performance)
      • 0.52% fail on Brake performance not tested (2 times worse than other 2007 cars)
      • 0.31% fail on Service Brake Efficiency (sp)
        • 0.24% fail on Rbt (sp) (60% better than other 2007 cars)
          • 0.21% fail on Service brake imbalance (57% better than other 2007 cars)
          • 0.026% fail on Service brake performance
        • 0.052% fail on Decelerometer (sp) (5 times worse than other 2007 cars)
        • 0.026% fail on Plate brake tester (sp)
          • 0.026% fail on Service brake imbalance
    • 3.5% fail on Rigid brake pipes (120% worse than other 2007 cars)
    • 2.6% fail on Mechanical brake components (29% better than other 2007 cars)
      • 2.0% fail on Brake linings and pads
        • 2.0% fail on Brake pads
      • 0.44% fail on Brake cables, rods, levers and linkages (180% worse than other 2007 cars)
        • 0.42% fail on Cable (2 times worse than other 2007 cars)
        • 0.026% fail on Linkage
      • 0.39% fail on Brake discs and drums (70% better than other 2007 cars)
        • 0.39% fail on Brake discs (70% better than other 2007 cars)
    • 1.2% fail on Flexible brake hoses (5 times worse than other 2007 cars)
    • 0.44% fail on ABS / EBS / ESC (53% better than other 2007 cars)
      • 0.37% fail on Anti-lock braking system (52% better than other 2007 cars)
      • 0.078% fail on Electronic stability control
      • 0.026% fail on Electronic braking system
    • 0.37% fail on Parking brake control
      • 0.37% fail on Lever
    • 0.34% fail on Service brake pedal or hand lever
      • 0.26% fail on Pedal
      • 0.078% fail on Hand lever
    • 0.10% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.078% fail on Hydraulic brake callipers
      • 0.026% fail on Hydraulic brake cylinder
    • 0.078% fail on Hydraulic systems
      • 0.078% fail on Brake fluid
    • 0.026% fail on Air and vacuum systems
      • 0.026% fail on Operation
      • 0.026% fail on Pressure/vacuum build up
    • 0.026% fail on Other components and prescribed areas
      • 0.026% fail on Other components
  • 7.0% fail on Suspension (54% better than other 2007 cars)
    • 3.6% fail on Springs (24% better than other 2007 cars)
      • 3.6% fail on Coil springs (24% better than other 2007 cars)
        • 3.6% fail on Coil spring (23% better than other 2007 cars)
    • 2.5% fail on Shock absorbers (45% worse than other 2007 cars)
    • 0.50% fail on Suspension arms (89% better than other 2007 cars)
      • 0.34% fail on Pins and bushes (85% better than other 2007 cars)
      • 0.10% fail on Ball joint dust cover (81% better than other 2007 cars)
      • 0.026% fail on Suspension arm
      • 0.026% fail on Ball joint
    • 0.34% fail on Wheel bearings (64% better than other 2007 cars)
    • 0.24% fail on Anti-roll bars (95% better than other 2007 cars)
      • 0.18% fail on Linkage ball joints (87% better than other 2007 cars)
      • 0.026% fail on Ball joint
      • 0.026% fail on Linkage ball joint dust cover
    • 0.13% fail on Air/gas/fluid suspension (4 times worse than other 2007 cars)
      • 0.052% fail on Operation (5 times worse than other 2007 cars)
      • 0.052% fail on Suspension unit (5 times worse than other 2007 cars)
      • 0.026% fail on Bellows
    • 0.078% fail on Sub-frames (79% better than other 2007 cars)
      • 0.078% fail on Pins and bushes
    • 0.026% fail on Other suspension component
      • 0.026% fail on Ball joint dust cover
  • 4.3% fail on Tyres (40% better than other 2007 cars)
    • 2.5% fail on Tread depth (44% better than other 2007 cars)
    • 2.1% fail on Condition (31% better than other 2007 cars)
    • 0.10% fail on Size/type
  • 3.5% fail on Noise, emissions and leaks (37% better than other 2007 cars)
    • 2.8% fail on Exhaust emissions (46% better than other 2007 cars)
      • 2.1% fail on Compression ignition (36% worse than other 2007 cars)
        • 1.4% fail on Pre 01/07/2008 Turbo (64% worse than other 2007 cars)
        • 0.50% fail on Malfunction indicator lamp
        • 0.21% fail on Emissions not tested
        • 0.052% fail on Pre 01/07/2008 Non turbo
        • 0.052% fail on On or after 01/07/2008
        • 0.026% fail on On or after 01/01/2014
      • 0.63% fail on Spark ignition (83% better than other 2007 cars)
        • 0.55% fail on Malfunction indicator lamp (70% better than other 2007 cars)
        • 0.078% fail on Non catalyst emissions
    • 0.76% fail on Fluid leaks (79% worse than other 2007 cars)
      • 0.68% fail on Engine oil leaks (97% worse than other 2007 cars)
      • 0.078% fail on Other leaks
  • 2.5% fail on Visibility (61% better than other 2007 cars)
    • 1.3% fail on Wipers (57% better than other 2007 cars)
    • 0.97% fail on Washers (68% better than other 2007 cars)
    • 0.13% fail on Condition of glass
      • 0.13% fail on Windscreen
    • 0.10% fail on View to rear
      • 0.10% fail on Mirrors
    • 0.026% fail on Driver's view
  • 2.0% fail on Body, chassis, structure (68% better than other 2007 cars)
    • 1.4% fail on Transmission (49% better than other 2007 cars)
      • 1.3% fail on Drive shafts (51% better than other 2007 cars)
        • 1.3% fail on Joints (50% better than other 2007 cars)
      • 0.16% fail on Prop shafts
        • 0.078% fail on Prop shaft
        • 0.078% fail on Joints
    • 0.16% fail on Exhaust system (93% better than other 2007 cars)
    • 0.16% fail on Undertray
    • 0.13% fail on Fuel system
      • 0.078% fail on System
      • 0.052% fail on Hose
    • 0.052% fail on Bumpers
    • 0.026% fail on Towbar
      • 0.026% fail on Other towbar components
    • 0.026% fail on Body
      • 0.026% fail on Other body component
    • 0.026% fail on Seats
      • 0.026% fail on Driver's seat
  • 1.6% fail on Seat belts and supplementary restraint systems
    • 0.94% fail on SRS malfunction indicator lamp
    • 0.76% fail on Seat belts
      • 0.76% fail on Condition (78% worse than other 2007 cars)
      • 0.026% fail on Requirements
  • 0.99% fail on Identification of the vehicle (80% worse than other 2007 cars)
    • 0.97% fail on Registration plates (76% worse than other 2007 cars)
    • 0.026% fail on Vehicle Identification Number
  • 0.71% fail on Steering (75% better than other 2007 cars)
    • 0.26% fail on Steering gear
      • 0.26% fail on Steering rack
    • 0.24% fail on Steering linkage components (89% better than other 2007 cars)
      • 0.18% fail on Track rod end (91% better than other 2007 cars)
      • 0.026% fail on Ball joint
      • 0.026% fail on Intermediate drop arm
    • 0.18% fail on Power steering
      • 0.13% fail on Other components
      • 0.052% fail on Operation
      • 0.026% fail on Rams
    • 0.026% fail on Steering column
    • 0.026% fail on Steering coupling
      • 0.026% fail on Universal joint
    • 0.026% fail on Steering play
      • 0.026% fail on Steering rack
    • 0.026% fail on Electronic power steering
  • 0.39% fail on Road Wheels
    • 0.31% fail on Attachment
    • 0.078% fail on Condition
  • 0.026% fail on Speedometer and speed limiter
    • 0.026% fail on Speedometer
  • 0.026% fail on Seat belt installation check
    • 0.026% fail on Anchorages
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