Mercedes-Benz M-Class MOT Results

Registered in 2005
58.7% pass rate
from 1,881 tests in 2020
(8.4% better than other 2005 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 2005 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 18% fail on Lamps, reflectors and electrical equipment (7.5% worse than other 2005 cars)
    • 6.2% fail on Stop lamp (42% worse than other 2005 cars)
    • 5.4% fail on Direction indicators (97% worse than other 2005 cars)
      • 5.4% fail on Flashing type (97% worse than other 2005 cars)
        • 4.0% fail on Individual direction indicators (110% worse than other 2005 cars)
        • 1.2% fail on Side repeaters (54% worse than other 2005 cars)
        • 0.37% fail on All direction indicators (150% worse than other 2005 cars)
    • 4.8% fail on Headlamps (8.0% better than other 2005 cars)
      • 4.3% fail on Headlamp (16% better than other 2005 cars)
      • 0.48% fail on Headlamp levelling device (130% worse than other 2005 cars)
      • 0.11% fail on Dipswitch (5 times worse than other 2005 cars)
      • 0.053% fail on Matched pair
    • 2.9% fail on Headlamp aim (21% better than other 2005 cars)
      • 2.3% fail on Headlamp aim (29% better than other 2005 cars)
      • 0.64% fail on Headlamp aim not tested (46% worse than other 2005 cars)
    • 2.4% fail on Registration plate lamp(s) (4.8% better than other 2005 cars)
    • 1.2% fail on Electrical equipment (51% worse than other 2005 cars)
      • 0.90% fail on Horn (100% worse than other 2005 cars)
      • 0.11% fail on Electrical wiring (130% worse than other 2005 cars)
      • 0.11% fail on Battery(ies) (63% better than other 2005 cars)
      • 0.053% fail on Trailer electrical socket
    • 0.43% fail on Front and rear fog lamps (56% better than other 2005 cars)
      • 0.43% fail on Rear fog lamp (56% better than other 2005 cars)
        • 0.27% fail on Rear fog lamp (72% better than other 2005 cars)
        • 0.16% fail on Switch (3 times worse than other 2005 cars)
    • 0.32% fail on Position lamps (65% worse than other 2005 cars)
      • 0.32% fail on Position lamp (76% worse than other 2005 cars)
    • 0.053% fail on Rear reflectors
  • 15% fail on Brakes (8.4% worse than other 2005 cars)
    • 7.4% fail on Brake performance (2.2% worse than other 2005 cars)
      • 5.9% fail on Parking brake efficiency (sp) (43% worse than other 2005 cars)
        • 3.9% fail on Rbt (sp) (0.23% better than other 2005 cars)
        • 1.7% fail on Decelerometer (sp) (6 times worse than other 2005 cars)
        • 0.32% fail on Gradient tester (sp) (23 times worse than other 2005 cars)
      • 1.3% fail on Parking brake performance (19% better than other 2005 cars)
        • 1.3% fail on Rbt (19% better than other 2005 cars)
          • 1.2% fail on Parking brake performance (16% better than other 2005 cars)
          • 0.11% fail on Parking (secondary brake performance) (29% better than other 2005 cars)
        • 0.053% fail on Decelerometer
          • 0.053% fail on Parking brake performance
      • 0.96% fail on Service brake performance (67% better than other 2005 cars)
        • 0.74% fail on Rbt (73% better than other 2005 cars)
          • 0.69% fail on Service brake performance (71% better than other 2005 cars)
          • 0.053% fail on Service brake imbalance
        • 0.21% fail on Decelerometer (6 times worse than other 2005 cars)
          • 0.21% fail on Service brake performance (6 times worse than other 2005 cars)
      • 0.64% fail on Brake performance not tested (120% worse than other 2005 cars)
      • 0.27% fail on Service Brake Efficiency (sp) (70% better than other 2005 cars)
        • 0.21% fail on Rbt (sp) (75% better than other 2005 cars)
          • 0.16% fail on Service brake performance (39% better than other 2005 cars)
          • 0.11% fail on Service brake imbalance (85% better than other 2005 cars)
        • 0.053% fail on Decelerometer (sp)
    • 4.4% fail on Mechanical brake components (22% worse than other 2005 cars)
      • 3.8% fail on Brake linings and pads (57% worse than other 2005 cars)
        • 3.7% fail on Brake pads (56% worse than other 2005 cars)
        • 0.053% fail on Brake linings
      • 0.85% fail on Brake discs and drums (35% better than other 2005 cars)
        • 0.85% fail on Brake discs (35% better than other 2005 cars)
      • 0.27% fail on Brake cables, rods, levers and linkages (8.0% worse than other 2005 cars)
        • 0.27% fail on Cable (51% worse than other 2005 cars)
    • 4.3% fail on Rigid brake pipes (48% worse than other 2005 cars)
    • 1.4% fail on ABS / EBS / ESC (4.6% worse than other 2005 cars)
      • 0.80% fail on Electronic stability control (120% worse than other 2005 cars)
      • 0.74% fail on Anti-lock braking system (34% better than other 2005 cars)
    • 0.64% fail on Parking brake control (27% worse than other 2005 cars)
      • 0.64% fail on Lever (40% worse than other 2005 cars)
    • 0.64% fail on Flexible brake hoses (110% worse than other 2005 cars)
    • 0.21% fail on Service brake pedal or hand lever (53% better than other 2005 cars)
      • 0.11% fail on Pedal (41% better than other 2005 cars)
      • 0.11% fail on Hand lever (61% better than other 2005 cars)
    • 0.21% fail on Hydraulic systems (11% worse than other 2005 cars)
      • 0.11% fail on Brake fluid (21% better than other 2005 cars)
      • 0.053% fail on Master cylinder
      • 0.053% fail on Reservoirs
  • 14% fail on Suspension (18% better than other 2005 cars)
    • 6.2% fail on Anti-roll bars (9.7% worse than other 2005 cars)
      • 2.8% fail on Pins and bushes (9 times worse than other 2005 cars)
      • 2.1% fail on Linkage (4 times worse than other 2005 cars)
      • 1.2% fail on Linkage pins and bushes (2 times worse than other 2005 cars)
      • 0.32% fail on Attachment bracket and mounting (6 times worse than other 2005 cars)
      • 0.32% fail on Linkage ball joints (81% better than other 2005 cars)
      • 0.053% fail on Anti-roll bar
      • 0.053% fail on Linkage ball joint dust cover
    • 5.1% fail on Springs (34% worse than other 2005 cars)
      • 5.1% fail on Coil springs (35% worse than other 2005 cars)
        • 5.1% fail on Coil spring (36% worse than other 2005 cars)
    • 3.4% fail on Suspension arms (43% better than other 2005 cars)
      • 2.7% fail on Ball joint (9.8% worse than other 2005 cars)
      • 0.53% fail on Ball joint dust cover (40% better than other 2005 cars)
      • 0.21% fail on Pins and bushes (92% better than other 2005 cars)
      • 0.053% fail on Attachment bracket and mounting
    • 1.1% fail on Shock absorbers (28% better than other 2005 cars)
    • 0.80% fail on Other suspension component (97% worse than other 2005 cars)
      • 0.64% fail on Ball joint (2 times worse than other 2005 cars)
      • 0.16% fail on Ball joint dust cover (110% worse than other 2005 cars)
    • 0.21% fail on Air/gas/fluid suspension (5 times worse than other 2005 cars)
      • 0.16% fail on Suspension unit (20 times worse than other 2005 cars)
      • 0.053% fail on Bellows
    • 0.16% fail on Wheel bearings (89% better than other 2005 cars)
    • 0.16% fail on Suspension rods (74% worse than other 2005 cars)
      • 0.11% fail on Ball joint (3 times worse than other 2005 cars)
      • 0.053% fail on Ball joint dust cover
    • 0.11% fail on Component mounting prescribed areas (92% better than other 2005 cars)
    • 0.053% fail on Sub-frames
      • 0.053% fail on Pins and bushes
  • 9.7% fail on Steering (150% worse than other 2005 cars)
    • 7.1% fail on Steering linkage components (150% worse than other 2005 cars)
      • 6.4% fail on Track rod end (150% worse than other 2005 cars)
      • 0.64% fail on Ball joint (2 times worse than other 2005 cars)
      • 0.21% fail on Drag link end (2 times worse than other 2005 cars)
      • 0.053% fail on Other components
        • 0.053% fail on Steering linkage
      • 0.053% fail on Locking devices
    • 2.3% fail on Steering gear (2 times worse than other 2005 cars)
      • 2.3% fail on Steering rack (2 times worse than other 2005 cars)
    • 0.58% fail on Steering play (3 times worse than other 2005 cars)
      • 0.58% fail on Steering rack (3 times worse than other 2005 cars)
    • 0.53% fail on Power steering (90% worse than other 2005 cars)
      • 0.32% fail on Other components (2 times worse than other 2005 cars)
      • 0.16% fail on Pipes and hoses (130% worse than other 2005 cars)
      • 0.053% fail on Rams
    • 0.053% fail on Steering wheel
    • 0.053% fail on Steering coupling
      • 0.053% fail on Flexible coupling
  • 5.8% fail on Noise, emissions and leaks (11% better than other 2005 cars)
    • 5.3% fail on Exhaust emissions (15% better than other 2005 cars)
      • 4.7% fail on Compression ignition (2 times worse than other 2005 cars)
        • 3.8% fail on Pre 01/07/2008 Turbo (3 times worse than other 2005 cars)
        • 0.37% fail on Emissions not tested (97% worse than other 2005 cars)
        • 0.27% fail on Malfunction indicator lamp (35% better than other 2005 cars)
        • 0.21% fail on On or after 01/07/2008 (5 times worse than other 2005 cars)
        • 0.053% fail on Emission control equipment
          • 0.053% fail on Catalytic converter
        • 0.053% fail on Pre 01/07/2008 Non turbo
        • 0.053% fail on On or after 01/01/2014
      • 0.69% fail on Spark ignition (86% better than other 2005 cars)
        • 0.43% fail on Malfunction indicator lamp (84% better than other 2005 cars)
        • 0.21% fail on Catalyst emissions (90% better than other 2005 cars)
        • 0.053% fail on Emissions not tested
    • 0.53% fail on Fluid leaks (24% worse than other 2005 cars)
      • 0.43% fail on Engine oil leaks (26% worse than other 2005 cars)
      • 0.11% fail on Other leaks (130% worse than other 2005 cars)
      • 0.053% fail on Hydraulic fluid leaks
    • 0.053% fail on Noise suppression
      • 0.053% fail on Undertray
  • 4.7% fail on Tyres (34% better than other 2005 cars)
    • 3.1% fail on Tread depth (28% better than other 2005 cars)
    • 1.9% fail on Condition (37% better than other 2005 cars)
    • 0.16% fail on Size/type (44% better than other 2005 cars)
  • 4.3% fail on Visibility (41% better than other 2005 cars)
    • 2.3% fail on Wipers (40% better than other 2005 cars)
    • 2.0% fail on Washers (40% better than other 2005 cars)
    • 0.21% fail on View to rear (10% better than other 2005 cars)
      • 0.21% fail on Mirrors (8.3% better than other 2005 cars)
    • 0.053% fail on Driver's view
    • 0.053% fail on Bonnet
    • 0.053% fail on Condition of glass
      • 0.053% fail on Windscreen
  • 4.3% fail on Body, chassis, structure (48% better than other 2005 cars)
    • 2.0% fail on Transmission (45% better than other 2005 cars)
      • 1.5% fail on Drive shafts (54% better than other 2005 cars)
        • 1.5% fail on Joints (54% better than other 2005 cars)
      • 0.43% fail on Prop shafts (110% worse than other 2005 cars)
        • 0.21% fail on Joints (44% worse than other 2005 cars)
        • 0.16% fail on Prop shaft (2 times worse than other 2005 cars)
        • 0.053% fail on Flexible couplings
    • 1.1% fail on Exhaust system (62% better than other 2005 cars)
    • 0.43% fail on Bumpers (120% worse than other 2005 cars)
    • 0.27% fail on Seats (49% worse than other 2005 cars)
      • 0.27% fail on Driver's seat (180% worse than other 2005 cars)
    • 0.16% fail on Integral vehicle structure (67% better than other 2005 cars)
      • 0.16% fail on Integral vehicle structure condition (65% better than other 2005 cars)
    • 0.16% fail on Towbar (5 times worse than other 2005 cars)
      • 0.11% fail on Vehicle structure (7 times worse than other 2005 cars)
      • 0.053% fail on Other towbar components
    • 0.16% fail on Body (36% better than other 2005 cars)
      • 0.11% fail on Other body component (17% better than other 2005 cars)
      • 0.053% fail on Panel
    • 0.16% fail on Doors (65% better than other 2005 cars)
      • 0.11% fail on Other passenger's door (53% better than other 2005 cars)
        • 0.11% fail on Door condition (52% better than other 2005 cars)
      • 0.053% fail on Front passenger's door
        • 0.053% fail on Door condition
    • 0.053% fail on Chassis
      • 0.053% fail on Chassis condition
    • 0.053% fail on Cabs
      • 0.053% fail on Prescribed areas
    • 0.053% fail on Passenger compartment
  • 1.9% fail on Seat belts and supplementary restraint systems (28% better than other 2005 cars)
    • 1.3% fail on SRS malfunction indicator lamp (7.4% better than other 2005 cars)
    • 0.58% fail on Seat belts (52% better than other 2005 cars)
      • 0.37% fail on Condition (26% better than other 2005 cars)
      • 0.11% fail on Requirements (190% worse than other 2005 cars)
      • 0.053% fail on Prescribed areas
      • 0.053% fail on Attachment
  • 0.74% fail on Road Wheels (52% worse than other 2005 cars)
    • 0.74% fail on Attachment (100% worse than other 2005 cars)
  • 0.69% fail on Identification of the vehicle (6.1% worse than other 2005 cars)
    • 0.69% fail on Registration plates (6.5% worse than other 2005 cars)
  • 0.053% fail on Seat belt installation check
    • 0.053% fail on Anchorages
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