Mercedes-Benz M-Class MOT Results

Registered in 2002
55.8% pass rate
from 2,988 tests in 2020
(8.2% better than other 2002 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 2002 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 23% fail on Lamps, reflectors and electrical equipment (12% worse than other 2002 cars)
    • 6.7% fail on Headlamps (28% worse than other 2002 cars)
      • 6.1% fail on Headlamp (27% worse than other 2002 cars)
      • 0.60% fail on Headlamp levelling device
      • 0.033% fail on Dipswitch
    • 6.4% fail on Direction indicators (170% worse than other 2002 cars)
      • 6.4% fail on Flashing type (170% worse than other 2002 cars)
        • 3.5% fail on Individual direction indicators (120% worse than other 2002 cars)
        • 3.0% fail on Side repeaters (3 times worse than other 2002 cars)
        • 0.37% fail on All direction indicators (150% worse than other 2002 cars)
    • 6.4% fail on Stop lamp
    • 3.9% fail on Headlamp aim
      • 3.5% fail on Headlamp aim (22% better than other 2002 cars)
      • 0.37% fail on Headlamp aim not tested
    • 3.5% fail on Registration plate lamp(s)
    • 3.0% fail on Position lamps
      • 3.0% fail on Position lamp
      • 0.067% fail on All position lamps
    • 2.4% fail on Electrical equipment (130% worse than other 2002 cars)
      • 1.9% fail on Horn (2 times worse than other 2002 cars)
      • 0.27% fail on Battery(ies)
      • 0.13% fail on Trailer electrical socket (6 times worse than other 2002 cars)
      • 0.067% fail on Electrical wiring
    • 1.2% fail on Front and rear fog lamps
      • 1.2% fail on Rear fog lamp
        • 0.94% fail on Rear fog lamp
        • 0.40% fail on Switch (9 times worse than other 2002 cars)
    • 0.067% fail on Mandatory tell-tales
      • 0.033% fail on Main beam tell-tale
      • 0.033% fail on Rear fog lamp tell-tale
    • 0.033% fail on Hazard warning
      • 0.033% fail on Switch
  • 15% fail on Suspension (17% better than other 2002 cars)
    • 7.4% fail on Anti-roll bars (35% worse than other 2002 cars)
      • 3.0% fail on Pins and bushes (6 times worse than other 2002 cars)
      • 2.7% fail on Linkage (4 times worse than other 2002 cars)
      • 1.8% fail on Linkage pins and bushes (190% worse than other 2002 cars)
      • 0.37% fail on Anti-roll bar (3 times worse than other 2002 cars)
      • 0.33% fail on Attachment bracket and mounting (3 times worse than other 2002 cars)
      • 0.067% fail on Linkage attachment bracket and mounting
      • 0.033% fail on Linkage ball joints
    • 4.7% fail on Suspension arms (24% better than other 2002 cars)
      • 3.5% fail on Ball joint (31% worse than other 2002 cars)
      • 1.1% fail on Ball joint dust cover
      • 0.13% fail on Attachment bracket and mounting
      • 0.13% fail on Pins and bushes (95% better than other 2002 cars)
      • 0.033% fail on Suspension arm
    • 4.3% fail on Springs (28% worse than other 2002 cars)
      • 4.3% fail on Coil springs (31% worse than other 2002 cars)
        • 4.3% fail on Coil spring (31% worse than other 2002 cars)
        • 0.033% fail on Mounting
    • 1.3% fail on Other suspension component (140% worse than other 2002 cars)
      • 1.1% fail on Ball joint (2 times worse than other 2002 cars)
      • 0.13% fail on Ball joint dust cover
    • 0.54% fail on Shock absorbers (62% better than other 2002 cars)
    • 0.37% fail on Wheel bearings (77% better than other 2002 cars)
    • 0.30% fail on Sub-frames
      • 0.20% fail on Sub-frame
      • 0.067% fail on Sub-frame mounting prescribed areas
      • 0.033% fail on Ball joint
    • 0.23% fail on Component mounting prescribed areas (92% better than other 2002 cars)
  • 15% fail on Brakes
    • 6.1% fail on Brake performance (27% better than other 2002 cars)
      • 5.1% fail on Parking brake efficiency (sp)
        • 3.1% fail on Rbt (sp)
        • 1.8% fail on Decelerometer (sp) (8 times worse than other 2002 cars)
        • 0.067% fail on Plate brake tester (sp)
        • 0.067% fail on Gradient tester (sp) (8 times worse than other 2002 cars)
      • 1.3% fail on Parking brake performance
        • 1.2% fail on Rbt
          • 0.87% fail on Parking brake performance (42% better than other 2002 cars)
          • 0.23% fail on Parking (secondary brake performance)
          • 0.067% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.10% fail on Decelerometer
          • 0.067% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
          • 0.033% fail on Parking (secondary brake performance)
      • 0.50% fail on Service brake performance (84% better than other 2002 cars)
        • 0.50% fail on Rbt (84% better than other 2002 cars)
          • 0.44% fail on Service brake performance (83% better than other 2002 cars)
          • 0.067% fail on Service brake imbalance (91% better than other 2002 cars)
      • 0.40% fail on Service Brake Efficiency (sp) (81% better than other 2002 cars)
        • 0.30% fail on Rbt (sp) (85% better than other 2002 cars)
          • 0.23% fail on Service brake imbalance (84% better than other 2002 cars)
          • 0.10% fail on Service brake performance (87% better than other 2002 cars)
        • 0.10% fail on Decelerometer (sp)
      • 0.37% fail on Brake performance not tested
    • 4.9% fail on Rigid brake pipes (27% worse than other 2002 cars)
    • 4.1% fail on Mechanical brake components
      • 3.7% fail on Brake linings and pads (66% worse than other 2002 cars)
        • 3.7% fail on Brake pads (68% worse than other 2002 cars)
      • 0.60% fail on Brake discs and drums (51% better than other 2002 cars)
        • 0.60% fail on Brake discs (50% better than other 2002 cars)
      • 0.067% fail on Brake cables, rods, levers and linkages
        • 0.067% fail on Cable
    • 3.2% fail on ABS / EBS / ESC (130% worse than other 2002 cars)
      • 2.1% fail on Electronic stability control (5 times worse than other 2002 cars)
      • 1.9% fail on Anti-lock braking system (58% worse than other 2002 cars)
      • 0.067% fail on Electronic braking system (8 times worse than other 2002 cars)
    • 0.47% fail on Service brake pedal or hand lever
      • 0.33% fail on Pedal
      • 0.13% fail on Hand lever
    • 0.33% fail on Parking brake control
      • 0.33% fail on Lever
    • 0.23% fail on Flexible brake hoses
    • 0.20% fail on Air and vacuum systems
      • 0.13% fail on Leaks (3 times worse than other 2002 cars)
      • 0.033% fail on Pressure/vacuum build up
      • 0.033% fail on Servos
    • 0.10% fail on Hydraulic systems
      • 0.067% fail on Brake fluid
      • 0.033% fail on Master cylinder
    • 0.067% fail on Pressure storage reservoirs (39 times worse than other 2002 cars)
      • 0.067% fail on Air and vacuum systems (48 times worse than other 2002 cars)
    • 0.033% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.033% fail on Hydraulic brake callipers
  • 13% fail on Steering (180% worse than other 2002 cars)
    • 11% fail on Steering linkage components (2 times worse than other 2002 cars)
      • 9.8% fail on Track rod end (2 times worse than other 2002 cars)
      • 0.57% fail on Ball joint (180% worse than other 2002 cars)
      • 0.23% fail on Drag link end (180% worse than other 2002 cars)
      • 0.067% fail on Locking devices
      • 0.033% fail on Steering arm
    • 1.7% fail on Steering gear (96% worse than other 2002 cars)
      • 1.6% fail on Steering rack (97% worse than other 2002 cars)
      • 0.033% fail on Operation
      • 0.033% fail on Steering box
    • 0.97% fail on Power steering (140% worse than other 2002 cars)
      • 0.47% fail on Other components (2 times worse than other 2002 cars)
      • 0.33% fail on Pipes and hoses (190% worse than other 2002 cars)
      • 0.17% fail on Operation
      • 0.033% fail on Pump
    • 0.74% fail on Steering play (4 times worse than other 2002 cars)
      • 0.74% fail on Steering rack (5 times worse than other 2002 cars)
    • 0.17% fail on Electronic power steering (4 times worse than other 2002 cars)
    • 0.067% fail on Steering column
  • 8.0% fail on Visibility
    • 3.8% fail on Washers
    • 3.7% fail on Wipers
    • 0.70% fail on View to rear (98% worse than other 2002 cars)
      • 0.70% fail on Mirrors (100% worse than other 2002 cars)
    • 0.13% fail on Driver's view
    • 0.10% fail on Bonnet
  • 5.5% fail on Noise, emissions and leaks (32% better than other 2002 cars)
    • 4.4% fail on Exhaust emissions (41% better than other 2002 cars)
      • 3.6% fail on Compression ignition (2 times worse than other 2002 cars)
        • 2.9% fail on Pre 01/07/2008 Turbo (3 times worse than other 2002 cars)
        • 0.40% fail on Emissions not tested (120% worse than other 2002 cars)
        • 0.20% fail on Malfunction indicator lamp
        • 0.10% fail on Pre 01/07/2008 Non turbo
        • 0.067% fail on Emission control equipment
          • 0.033% fail on Catalytic converter
          • 0.033% fail on Other emission control equipment
        • 0.033% fail on Pre 01/01/1980 visual
      • 0.90% fail on Spark ignition (86% better than other 2002 cars)
        • 0.47% fail on Catalyst emissions (86% better than other 2002 cars)
        • 0.33% fail on Malfunction indicator lamp (89% better than other 2002 cars)
        • 0.10% fail on Emissions not tested (90% better than other 2002 cars)
    • 1.3% fail on Fluid leaks (69% worse than other 2002 cars)
      • 0.97% fail on Engine oil leaks
      • 0.17% fail on Other leaks
      • 0.10% fail on Hydraulic fluid leaks
      • 0.033% fail on Transmission oil leaks
  • 4.8% fail on Body, chassis, structure (55% better than other 2002 cars)
    • 1.7% fail on Transmission (58% better than other 2002 cars)
      • 1.5% fail on Drive shafts (60% better than other 2002 cars)
        • 1.5% fail on Joints (60% better than other 2002 cars)
        • 0.033% fail on Drive shaft
      • 0.13% fail on Prop shafts
        • 0.13% fail on Joints
      • 0.033% fail on Belts
    • 0.77% fail on Bumpers (2 times worse than other 2002 cars)
    • 0.57% fail on Exhaust system (85% better than other 2002 cars)
    • 0.57% fail on Fuel system
      • 0.30% fail on System (2 times worse than other 2002 cars)
      • 0.10% fail on Tank
      • 0.10% fail on Pipe
      • 0.033% fail on Hose
      • 0.033% fail on Fuel cap/sealing device
    • 0.54% fail on Body
      • 0.40% fail on Other body component (140% worse than other 2002 cars)
      • 0.13% fail on Panel
    • 0.40% fail on Seats
      • 0.33% fail on Driver's seat
      • 0.067% fail on Passenger's seat
    • 0.20% fail on Integral vehicle structure (76% better than other 2002 cars)
      • 0.20% fail on Integral vehicle structure condition (75% better than other 2002 cars)
    • 0.20% fail on Chassis (70% better than other 2002 cars)
      • 0.20% fail on Chassis condition (69% better than other 2002 cars)
    • 0.17% fail on Towbar
      • 0.17% fail on Vehicle structure
    • 0.13% fail on Doors (79% better than other 2002 cars)
      • 0.10% fail on Front passenger's door
        • 0.10% fail on Door condition
      • 0.033% fail on Driver's door
        • 0.033% fail on Door condition
      • 0.033% fail on Other passenger's door
        • 0.033% fail on Door condition
    • 0.033% fail on Spare wheel
      • 0.033% fail on Carrier
  • 4.7% fail on Tyres (35% better than other 2002 cars)
    • 3.2% fail on Tread depth (29% better than other 2002 cars)
    • 1.7% fail on Condition (40% better than other 2002 cars)
    • 0.033% fail on Size/type
  • 3.2% fail on Seat belts and supplementary restraint systems
    • 2.0% fail on SRS malfunction indicator lamp
    • 1.2% fail on Seat belts (44% better than other 2002 cars)
      • 0.67% fail on Condition
      • 0.40% fail on Prescribed areas (75% better than other 2002 cars)
      • 0.13% fail on Requirements
      • 0.033% fail on Attachment
  • 1.1% fail on Identification of the vehicle
    • 1.1% fail on Registration plates
  • 0.94% fail on Road Wheels (120% worse than other 2002 cars)
    • 0.90% fail on Attachment (190% worse than other 2002 cars)
    • 0.033% fail on Condition
  • 0.033% fail on Speedometer and speed limiter
    • 0.033% fail on Speedometer

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