Mercedes-Benz M-Class MOT Results

Registered in 1999
53.4% pass rate
from 835 tests in 2020
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 1999 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 21% fail on Lamps, reflectors and electrical equipment
    • 6.1% fail on Headlamps (47% worse than other 1999 cars)
      • 6.0% fail on Headlamp (56% worse than other 1999 cars)
      • 0.12% fail on Headlamp levelling device
    • 5.3% fail on Headlamp aim
      • 5.0% fail on Headlamp aim
      • 0.36% fail on Headlamp aim not tested
    • 4.8% fail on Stop lamp
    • 4.6% fail on Direction indicators (89% worse than other 1999 cars)
      • 4.6% fail on Flashing type (90% worse than other 1999 cars)
        • 3.2% fail on Individual direction indicators (96% worse than other 1999 cars)
        • 0.96% fail on All direction indicators (3 times worse than other 1999 cars)
        • 0.60% fail on Side repeaters
    • 2.9% fail on Registration plate lamp(s)
    • 2.6% fail on Position lamps
      • 2.6% fail on Position lamp
    • 2.2% fail on Electrical equipment (100% worse than other 1999 cars)
      • 1.6% fail on Horn (200% worse than other 1999 cars)
      • 0.60% fail on Battery(ies)
      • 0.12% fail on Trailer electrical socket
    • 1.6% fail on Front and rear fog lamps
      • 1.6% fail on Rear fog lamp
        • 0.96% fail on Rear fog lamp
        • 0.60% fail on Switch (4 times worse than other 1999 cars)
    • 0.12% fail on Hazard warning
      • 0.12% fail on Switch
    • 0.12% fail on Rear reflectors
    • 0.12% fail on Mandatory tell-tales
      • 0.12% fail on Rear fog lamp tell-tale
  • 20% fail on Brakes (39% worse than other 1999 cars)
    • 9.2% fail on Brake performance
      • 7.2% fail on Parking brake efficiency (sp) (83% worse than other 1999 cars)
        • 3.7% fail on Rbt (sp)
        • 3.4% fail on Decelerometer (sp) (19 times worse than other 1999 cars)
        • 0.12% fail on Plate brake tester (sp)
      • 1.7% fail on Parking brake performance
        • 1.6% fail on Rbt
          • 1.1% fail on Parking brake performance
          • 0.36% fail on Parking (secondary brake performance)
          • 0.12% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.12% fail on Decelerometer
          • 0.12% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.2% fail on Service brake performance (61% better than other 1999 cars)
        • 1.2% fail on Rbt (60% better than other 1999 cars)
          • 1.2% fail on Service brake performance
          • 0.12% fail on Service brake imbalance
      • 0.96% fail on Service Brake Efficiency (sp) (65% better than other 1999 cars)
        • 0.48% fail on Rbt (sp) (82% better than other 1999 cars)
          • 0.36% fail on Service brake imbalance (80% better than other 1999 cars)
          • 0.24% fail on Service brake performance (80% better than other 1999 cars)
        • 0.48% fail on Decelerometer (sp) (11 times worse than other 1999 cars)
      • 0.84% fail on Brake performance not tested
    • 6.1% fail on Rigid brake pipes (81% worse than other 1999 cars)
    • 5.0% fail on Mechanical brake components (89% worse than other 1999 cars)
      • 4.6% fail on Brake linings and pads (160% worse than other 1999 cars)
        • 4.4% fail on Brake pads (150% worse than other 1999 cars)
        • 0.12% fail on Brake linings
      • 1.1% fail on Brake discs and drums
        • 1.1% fail on Brake discs
    • 4.4% fail on ABS / EBS / ESC (2 times worse than other 1999 cars)
      • 2.9% fail on Electronic stability control (10 times worse than other 1999 cars)
      • 1.8% fail on Anti-lock braking system
    • 1.1% fail on Parking brake control
      • 1.1% fail on Lever
    • 0.60% fail on Service brake pedal or hand lever
      • 0.36% fail on Pedal
      • 0.24% fail on Hand lever
    • 0.24% fail on Flexible brake hoses
    • 0.24% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.24% fail on Hydraulic brake callipers
    • 0.12% fail on Air and vacuum systems
      • 0.12% fail on Leaks
    • 0.12% fail on Hydraulic systems
      • 0.12% fail on Brake fluid
  • 18% fail on Suspension
    • 7.2% fail on Springs (2 times worse than other 1999 cars)
      • 7.2% fail on Coil springs (2 times worse than other 1999 cars)
        • 7.2% fail on Coil spring (2 times worse than other 1999 cars)
    • 6.5% fail on Anti-roll bars (51% worse than other 1999 cars)
      • 2.9% fail on Pins and bushes (5 times worse than other 1999 cars)
      • 1.9% fail on Linkage (2 times worse than other 1999 cars)
      • 1.8% fail on Linkage pins and bushes (150% worse than other 1999 cars)
      • 0.12% fail on Anti-roll bar
      • 0.12% fail on Linkage attachment bracket and mounting
    • 5.5% fail on Suspension arms
      • 4.3% fail on Ball joint (87% worse than other 1999 cars)
      • 1.2% fail on Ball joint dust cover
      • 0.36% fail on Pins and bushes (82% better than other 1999 cars)
      • 0.12% fail on Suspension arm
    • 1.4% fail on Other suspension component (160% worse than other 1999 cars)
      • 1.4% fail on Ball joint (4 times worse than other 1999 cars)
    • 0.60% fail on Shock absorbers
    • 0.48% fail on Wheel bearings
    • 0.36% fail on Sub-frames
      • 0.24% fail on Sub-frame
      • 0.12% fail on Sub-frame mounting prescribed areas
    • 0.24% fail on Component mounting prescribed areas (95% better than other 1999 cars)
    • 0.12% fail on Macpherson strut
      • 0.12% fail on Ball joint dust cover
    • 0.12% fail on Suspension rods
      • 0.12% fail on Ball joint
  • 9.2% fail on Steering (130% worse than other 1999 cars)
    • 7.5% fail on Steering linkage components (200% worse than other 1999 cars)
      • 7.2% fail on Track rod end (2 times worse than other 1999 cars)
      • 0.36% fail on Ball joint
      • 0.12% fail on Steering arm
      • 0.12% fail on Other components
        • 0.12% fail on Steering linkage
    • 1.8% fail on Power steering (3 times worse than other 1999 cars)
      • 0.96% fail on Other components (5 times worse than other 1999 cars)
      • 0.48% fail on Operation (3 times worse than other 1999 cars)
      • 0.48% fail on Pipes and hoses
    • 0.36% fail on Steering gear
      • 0.36% fail on Steering rack
    • 0.36% fail on Steering play
      • 0.36% fail on Steering rack
    • 0.12% fail on Steering column
  • 8.6% fail on Noise, emissions and leaks
    • 7.1% fail on Exhaust emissions
      • 6.8% fail on Spark ignition
        • 5.3% fail on Catalyst emissions
        • 1.6% fail on Emissions not tested
        • 0.12% fail on Emission control equipment
          • 0.12% fail on Catalytic converter
      • 0.36% fail on Compression ignition
        • 0.24% fail on Pre 01/07/2008 Non turbo
        • 0.12% fail on Emissions not tested
    • 2.3% fail on Fluid leaks (2 times worse than other 1999 cars)
      • 2.0% fail on Engine oil leaks (2 times worse than other 1999 cars)
      • 0.24% fail on Hydraulic fluid leaks (5 times worse than other 1999 cars)
      • 0.12% fail on Transmission oil leaks
  • 7.7% fail on Visibility
    • 4.3% fail on Wipers
    • 3.7% fail on Washers
    • 0.48% fail on View to rear
      • 0.48% fail on Mirrors
    • 0.12% fail on Condition of glass
      • 0.12% fail on Windscreen
  • 7.4% fail on Body, chassis, structure (32% better than other 1999 cars)
    • 2.5% fail on Exhaust system
    • 1.4% fail on Towbar (6 times worse than other 1999 cars)
      • 1.3% fail on Vehicle structure (6 times worse than other 1999 cars)
      • 0.12% fail on Towbar condition
    • 1.1% fail on Transmission (68% better than other 1999 cars)
      • 0.96% fail on Drive shafts (70% better than other 1999 cars)
        • 0.96% fail on Joints (69% better than other 1999 cars)
      • 0.12% fail on Prop shafts
        • 0.12% fail on Prop shaft
    • 0.96% fail on Integral vehicle structure
      • 0.96% fail on Integral vehicle structure condition
    • 0.84% fail on Chassis
      • 0.84% fail on Chassis condition
    • 0.36% fail on Fuel system
      • 0.12% fail on Tank
      • 0.12% fail on Pipe
      • 0.12% fail on Fuel cap/sealing device
    • 0.36% fail on Bumpers
    • 0.36% fail on Body
      • 0.12% fail on Body condition
      • 0.12% fail on Panel
      • 0.12% fail on Other body component
    • 0.36% fail on Doors
      • 0.36% fail on Other passenger's door
        • 0.36% fail on Door condition
    • 0.24% fail on Seats
      • 0.12% fail on Driver's seat
      • 0.12% fail on Passenger's seat
    • 0.12% fail on Spare wheel
      • 0.12% fail on Carrier
    • 0.12% fail on Boot lid
      • 0.12% fail on Boot lid condition
    • 0.12% fail on Undertray
  • 5.4% fail on Tyres
    • 2.8% fail on Condition
    • 2.8% fail on Tread depth
    • 0.12% fail on Size/type
  • 2.6% fail on Seat belts and supplementary restraint systems (44% better than other 1999 cars)
    • 1.4% fail on Seat belts (54% better than other 1999 cars)
      • 0.72% fail on Prescribed areas (72% better than other 1999 cars)
      • 0.72% fail on Condition
    • 1.3% fail on SRS malfunction indicator lamp
  • 1.1% fail on Identification of the vehicle
    • 1.1% fail on Registration plates
  • 0.84% fail on Road Wheels
    • 0.84% fail on Attachment (2 times worse than other 1999 cars)
  • 0.12% fail on Seat belt installation check
    • 0.12% fail on Belt(s)/padding

Search Good Garages