Mercedes-Benz M-Class MOT Results

Registered in 2010
69.9% pass rate
from 3,434 tests in 2020
(14% better than other 2010 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 2010 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 13% fail on Lamps, reflectors and electrical equipment
    • 4.6% fail on Stop lamp (54% worse than other 2010 cars)
    • 3.9% fail on Direction indicators (110% worse than other 2010 cars)
      • 3.9% fail on Flashing type (110% worse than other 2010 cars)
        • 3.3% fail on Side repeaters (4 times worse than other 2010 cars)
        • 0.61% fail on Individual direction indicators (46% better than other 2010 cars)
        • 0.029% fail on All direction indicators
    • 2.2% fail on Position lamps
      • 2.2% fail on Position lamp
    • 1.9% fail on Headlamps (35% better than other 2010 cars)
      • 1.7% fail on Headlamp (38% better than other 2010 cars)
      • 0.15% fail on Headlamp cleaning device
      • 0.029% fail on Dipswitch
    • 1.7% fail on Headlamp aim (43% better than other 2010 cars)
      • 1.6% fail on Headlamp aim (41% better than other 2010 cars)
      • 0.087% fail on Headlamp aim not tested
    • 0.29% fail on Registration plate lamp(s) (86% better than other 2010 cars)
    • 0.20% fail on Electrical equipment
      • 0.087% fail on Horn
      • 0.058% fail on Trailer electrical socket
      • 0.058% fail on Electrical wiring
    • 0.15% fail on Rear reflectors
    • 0.029% fail on Front and rear fog lamps
      • 0.029% fail on Rear fog lamp
        • 0.029% fail on Rear fog lamp
  • 7.3% fail on Brakes
    • 2.9% fail on Brake performance
      • 2.0% fail on Parking brake efficiency (sp) (51% worse than other 2010 cars)
        • 1.1% fail on Decelerometer (sp) (12 times worse than other 2010 cars)
        • 0.90% fail on Rbt (sp)
        • 0.029% fail on Plate brake tester (sp)
      • 0.58% fail on Service brake performance (65% better than other 2010 cars)
        • 0.47% fail on Rbt (72% better than other 2010 cars)
          • 0.44% fail on Service brake performance (68% better than other 2010 cars)
          • 0.029% fail on Service brake imbalance
        • 0.087% fail on Decelerometer (9 times worse than other 2010 cars)
          • 0.087% fail on Service brake performance (9 times worse than other 2010 cars)
        • 0.029% fail on Plate brake tester
          • 0.029% fail on Service brake performance
      • 0.44% fail on Parking brake performance
        • 0.32% fail on Rbt
          • 0.26% fail on Parking brake performance
          • 0.058% fail on Parking (secondary brake performance)
        • 0.087% fail on Decelerometer (8 times worse than other 2010 cars)
          • 0.029% fail on Parking brake performance
          • 0.029% fail on Parking (secondary brake performance)
          • 0.029% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.029% fail on Plate brake tester
          • 0.029% fail on Parking (secondary brake performance)
      • 0.32% fail on Brake performance not tested (2 times worse than other 2010 cars)
      • 0.12% fail on Service Brake Efficiency (sp) (73% better than other 2010 cars)
        • 0.058% fail on Rbt (sp) (86% better than other 2010 cars)
          • 0.029% fail on Service brake performance
          • 0.029% fail on Service brake imbalance
        • 0.058% fail on Decelerometer (sp) (8 times worse than other 2010 cars)
    • 2.5% fail on Rigid brake pipes (3 times worse than other 2010 cars)
    • 1.8% fail on Mechanical brake components (45% better than other 2010 cars)
      • 1.4% fail on Brake linings and pads (45% better than other 2010 cars)
        • 1.3% fail on Brake pads (46% better than other 2010 cars)
        • 0.029% fail on Brake linings
      • 0.35% fail on Brake cables, rods, levers and linkages (3 times worse than other 2010 cars)
        • 0.32% fail on Cable (4 times worse than other 2010 cars)
        • 0.029% fail on Pivot
      • 0.26% fail on Brake discs and drums (74% better than other 2010 cars)
        • 0.26% fail on Brake discs (74% better than other 2010 cars)
    • 0.61% fail on ABS / EBS / ESC
      • 0.58% fail on Anti-lock braking system (93% worse than other 2010 cars)
      • 0.058% fail on Electronic stability control
    • 0.20% fail on Parking brake control
      • 0.17% fail on Lever
      • 0.029% fail on Electronic parking brake
    • 0.20% fail on Hydraulic systems
      • 0.15% fail on Brake fluid
      • 0.029% fail on Master cylinder
      • 0.029% fail on Reservoirs
    • 0.20% fail on Flexible brake hoses
    • 0.15% fail on Service brake pedal or hand lever
      • 0.087% fail on Pedal
      • 0.058% fail on Hand lever
    • 0.029% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.029% fail on Hydraulic brake callipers
  • 7.1% fail on Suspension (34% better than other 2010 cars)
    • 6.3% fail on Springs (64% worse than other 2010 cars)
      • 6.2% fail on Coil springs (64% worse than other 2010 cars)
        • 6.2% fail on Coil spring (64% worse than other 2010 cars)
      • 0.029% fail on Spring mounting prescribed areas
    • 0.55% fail on Shock absorbers (59% better than other 2010 cars)
    • 0.15% fail on Wheel bearings (67% better than other 2010 cars)
    • 0.15% fail on Anti-roll bars (95% better than other 2010 cars)
      • 0.058% fail on Linkage
      • 0.029% fail on Linkage pins and bushes
      • 0.029% fail on Ball joint
      • 0.029% fail on Linkage ball joints
    • 0.087% fail on Suspension arms (97% better than other 2010 cars)
      • 0.087% fail on Pins and bushes (93% better than other 2010 cars)
    • 0.058% fail on Air/gas/fluid suspension
      • 0.029% fail on Operation
      • 0.029% fail on Suspension unit
      • 0.029% fail on Bellows
  • 5.0% fail on Tyres (21% better than other 2010 cars)
    • 2.8% fail on Condition
    • 2.4% fail on Tread depth (36% better than other 2010 cars)
    • 0.12% fail on Size/type
  • 2.2% fail on Noise, emissions and leaks
    • 1.8% fail on Exhaust emissions (32% better than other 2010 cars)
      • 1.2% fail on Compression ignition
        • 0.82% fail on Malfunction indicator lamp (100% worse than other 2010 cars)
        • 0.29% fail on On or after 01/07/2008 (58% better than other 2010 cars)
        • 0.087% fail on Emissions not tested
        • 0.058% fail on Pre 01/07/2008 Turbo
      • 0.64% fail on Spark ignition (57% better than other 2010 cars)
        • 0.61% fail on Malfunction indicator lamp
        • 0.029% fail on Emissions not tested
    • 0.50% fail on Fluid leaks (170% worse than other 2010 cars)
      • 0.38% fail on Engine oil leaks (160% worse than other 2010 cars)
      • 0.087% fail on Transmission oil leaks (6 times worse than other 2010 cars)
      • 0.058% fail on Other leaks
  • 1.8% fail on Body, chassis, structure (44% better than other 2010 cars)
    • 1.1% fail on Transmission
      • 1.1% fail on Drive shafts
        • 1.1% fail on Joints
        • 0.029% fail on Flexible couplings
      • 0.029% fail on Prop shafts
        • 0.029% fail on Joints
    • 0.61% fail on Exhaust system (55% better than other 2010 cars)
    • 0.029% fail on Bumpers
    • 0.029% fail on Load security
      • 0.029% fail on Tailgate
        • 0.029% fail on Tailgate condition
    • 0.029% fail on Boot lid
      • 0.029% fail on Boot lid condition
    • 0.029% fail on Undertray
  • 1.5% fail on Visibility (69% better than other 2010 cars)
    • 0.67% fail on Washers (71% better than other 2010 cars)
    • 0.61% fail on Wipers (75% better than other 2010 cars)
    • 0.087% fail on Driver's view
    • 0.087% fail on Condition of glass
      • 0.087% fail on Windscreen
    • 0.087% fail on View to rear
      • 0.087% fail on Mirrors
  • 0.96% fail on Seat belts and supplementary restraint systems
    • 0.52% fail on Seat belts
      • 0.47% fail on Condition
      • 0.058% fail on Requirements
      • 0.029% fail on Attachment
    • 0.44% fail on SRS malfunction indicator lamp
  • 0.58% fail on Identification of the vehicle
    • 0.55% fail on Registration plates
    • 0.029% fail on Vehicle Identification Number
  • 0.47% fail on Road Wheels
    • 0.41% fail on Attachment
    • 0.058% fail on Condition
  • 0.26% fail on Steering (86% better than other 2010 cars)
    • 0.087% fail on Steering gear
      • 0.058% fail on Steering rack
      • 0.029% fail on Operation
    • 0.087% fail on Steering linkage components (94% better than other 2010 cars)
      • 0.087% fail on Track rod end (94% better than other 2010 cars)
    • 0.058% fail on Steering column (5 times worse than other 2010 cars)
    • 0.029% fail on Steering play
      • 0.029% fail on Steering rack
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