Mercedes-Benz M-Class MOT Results

Registered in 2011
73.7% pass rate
from 2,969 tests in 2020
(19% better than other 2011 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 2011 cars and highlighted areas where the Mercedes-Benz M-Class is unusually good or bad.

  • 6.9% fail on Lamps, reflectors and electrical equipment (32% better than other 2011 cars)
    • 2.6% fail on Stop lamp (9.8% worse than other 2011 cars)
    • 2.1% fail on Headlamps (19% better than other 2011 cars)
      • 1.5% fail on Headlamp (36% better than other 2011 cars)
      • 0.47% fail on Headlamp cleaning device (7 times worse than other 2011 cars)
      • 0.067% fail on Headlamp levelling device (33% better than other 2011 cars)
      • 0.034% fail on Matched pair
    • 1.4% fail on Headlamp aim (44% better than other 2011 cars)
      • 1.3% fail on Headlamp aim (45% better than other 2011 cars)
      • 0.13% fail on Headlamp aim not tested (43% better than other 2011 cars)
    • 0.84% fail on Direction indicators (47% better than other 2011 cars)
      • 0.84% fail on Flashing type (47% better than other 2011 cars)
        • 0.44% fail on Individual direction indicators (54% better than other 2011 cars)
        • 0.37% fail on Side repeaters (37% better than other 2011 cars)
        • 0.034% fail on All direction indicators
    • 0.34% fail on Front and rear fog lamps (16% better than other 2011 cars)
      • 0.34% fail on Rear fog lamp (16% better than other 2011 cars)
        • 0.30% fail on Rear fog lamp (23% better than other 2011 cars)
        • 0.034% fail on Switch
    • 0.30% fail on Registration plate lamp(s) (82% better than other 2011 cars)
    • 0.13% fail on Electrical equipment (57% better than other 2011 cars)
      • 0.10% fail on Horn (54% better than other 2011 cars)
      • 0.034% fail on Electrical wiring
    • 0.067% fail on Position lamps (22% better than other 2011 cars)
      • 0.034% fail on All position lamps
      • 0.034% fail on Position lamp
    • 0.034% fail on Reversing lamps
      • 0.034% fail on Reversing lamps
    • 0.034% fail on Rear reflectors
    • 0.034% fail on Mandatory tell-tales
      • 0.034% fail on Rear fog lamp tell-tale
  • 6.6% fail on Suspension (33% better than other 2011 cars)
    • 6.0% fail on Springs (62% worse than other 2011 cars)
      • 6.0% fail on Coil springs (62% worse than other 2011 cars)
        • 6.0% fail on Coil spring (63% worse than other 2011 cars)
    • 0.44% fail on Shock absorbers (63% better than other 2011 cars)
    • 0.13% fail on Anti-roll bars (93% better than other 2011 cars)
      • 0.034% fail on Linkage
      • 0.034% fail on Ball joint
      • 0.034% fail on Linkage ball joints
      • 0.034% fail on Linkage ball joint dust cover
    • 0.10% fail on Suspension arms (97% better than other 2011 cars)
      • 0.034% fail on Pins and bushes
      • 0.034% fail on Ball joint
      • 0.034% fail on Ball joint dust cover
  • 5.8% fail on Brakes (12% better than other 2011 cars)
    • 2.5% fail on Brake performance (11% better than other 2011 cars)
      • 1.8% fail on Parking brake efficiency (sp) (55% worse than other 2011 cars)
        • 1.1% fail on Rbt (sp) (5.9% worse than other 2011 cars)
        • 0.61% fail on Decelerometer (sp) (8 times worse than other 2011 cars)
        • 0.034% fail on Gradient tester (sp)
      • 0.37% fail on Service brake performance (75% better than other 2011 cars)
        • 0.37% fail on Rbt (74% better than other 2011 cars)
          • 0.37% fail on Service brake performance (69% better than other 2011 cars)
      • 0.30% fail on Brake performance not tested (2 times worse than other 2011 cars)
      • 0.30% fail on Parking brake performance (40% better than other 2011 cars)
        • 0.24% fail on Rbt (51% better than other 2011 cars)
          • 0.17% fail on Parking brake performance (61% better than other 2011 cars)
          • 0.067% fail on Parking (secondary brake performance) (53% worse than other 2011 cars)
        • 0.067% fail on Decelerometer (6 times worse than other 2011 cars)
          • 0.067% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles) (12 times worse than other 2011 cars)
      • 0.13% fail on Service Brake Efficiency (sp) (66% better than other 2011 cars)
        • 0.067% fail on Rbt (sp) (83% better than other 2011 cars)
          • 0.067% fail on Service brake performance (62% better than other 2011 cars)
        • 0.067% fail on Decelerometer (sp) (6 times worse than other 2011 cars)
    • 2.2% fail on Rigid brake pipes (3 times worse than other 2011 cars)
    • 1.0% fail on Mechanical brake components (68% better than other 2011 cars)
      • 0.77% fail on Brake linings and pads (67% better than other 2011 cars)
        • 0.77% fail on Brake pads (67% better than other 2011 cars)
      • 0.17% fail on Brake cables, rods, levers and linkages (150% worse than other 2011 cars)
        • 0.17% fail on Cable (2 times worse than other 2011 cars)
      • 0.10% fail on Brake discs and drums (90% better than other 2011 cars)
        • 0.10% fail on Brake discs (90% better than other 2011 cars)
    • 0.67% fail on ABS / EBS / ESC (72% worse than other 2011 cars)
      • 0.67% fail on Anti-lock braking system (150% worse than other 2011 cars)
      • 0.13% fail on Electronic stability control (27% better than other 2011 cars)
    • 0.10% fail on Parking brake control (63% better than other 2011 cars)
      • 0.067% fail on Lever (71% better than other 2011 cars)
      • 0.034% fail on Electronic parking brake
    • 0.10% fail on Hydraulic systems (44% worse than other 2011 cars)
      • 0.067% fail on Reservoirs (5 times worse than other 2011 cars)
      • 0.034% fail on Brake fluid
    • 0.067% fail on Service brake pedal or hand lever (73% better than other 2011 cars)
      • 0.034% fail on Pedal
      • 0.034% fail on Hand lever
    • 0.034% fail on Flexible brake hoses
    • 0.034% fail on Other components and prescribed areas
      • 0.034% fail on Other components
  • 5.3% fail on Tyres (15% better than other 2011 cars)
    • 3.4% fail on Condition (19% worse than other 2011 cars)
    • 2.0% fail on Tread depth (45% better than other 2011 cars)
    • 0.13% fail on Size/type (7.5% better than other 2011 cars)
  • 2.3% fail on Noise, emissions and leaks (9.5% worse than other 2011 cars)
    • 2.2% fail on Exhaust emissions (12% worse than other 2011 cars)
      • 1.7% fail on Compression ignition (120% worse than other 2011 cars)
        • 1.5% fail on Malfunction indicator lamp (2 times worse than other 2011 cars)
        • 0.13% fail on Emissions not tested (76% worse than other 2011 cars)
        • 0.034% fail on On or after 01/07/2008
      • 0.57% fail on Spark ignition (55% better than other 2011 cars)
        • 0.57% fail on Malfunction indicator lamp (15% better than other 2011 cars)
    • 0.13% fail on Fluid leaks (4.2% better than other 2011 cars)
      • 0.067% fail on Engine oil leaks (36% better than other 2011 cars)
      • 0.034% fail on Hydraulic fluid leaks
      • 0.034% fail on Other leaks
  • 1.5% fail on Body, chassis, structure (45% better than other 2011 cars)
    • 1.2% fail on Transmission (5.1% worse than other 2011 cars)
      • 1.1% fail on Drive shafts (6.9% worse than other 2011 cars)
        • 1.1% fail on Joints (8.2% worse than other 2011 cars)
      • 0.034% fail on Prop shafts
        • 0.034% fail on Joints
    • 0.24% fail on Exhaust system (79% better than other 2011 cars)
    • 0.067% fail on Boot lid (4 times worse than other 2011 cars)
      • 0.067% fail on Boot lid condition (4 times worse than other 2011 cars)
    • 0.034% fail on Bumpers
    • 0.034% fail on Body
      • 0.034% fail on Other body component
  • 1.3% fail on Visibility (72% better than other 2011 cars)
    • 0.67% fail on Wipers (72% better than other 2011 cars)
    • 0.47% fail on Washers (76% better than other 2011 cars)
    • 0.13% fail on Condition of glass (78% worse than other 2011 cars)
      • 0.13% fail on Windscreen (81% worse than other 2011 cars)
  • 0.64% fail on Identification of the vehicle (75% worse than other 2011 cars)
    • 0.64% fail on Registration plates (75% worse than other 2011 cars)
  • 0.61% fail on Seat belts and supplementary restraint systems (7.1% better than other 2011 cars)
    • 0.40% fail on Seat belts (32% worse than other 2011 cars)
      • 0.34% fail on Condition (23% worse than other 2011 cars)
      • 0.067% fail on Requirements (4 times worse than other 2011 cars)
    • 0.20% fail on SRS malfunction indicator lamp (41% better than other 2011 cars)
  • 0.27% fail on Road Wheels (29% better than other 2011 cars)
    • 0.17% fail on Attachment (39% better than other 2011 cars)
    • 0.10% fail on Condition (3.4% better than other 2011 cars)
  • 0.24% fail on Steering (84% better than other 2011 cars)
    • 0.17% fail on Steering linkage components (86% better than other 2011 cars)
      • 0.13% fail on Track rod end (88% better than other 2011 cars)
      • 0.034% fail on Locking devices
    • 0.034% fail on Steering gear
      • 0.034% fail on Operation
    • 0.034% fail on Steering play
      • 0.034% fail on Steering rack
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