Mercedes-Benz B-Class MOT Results

Registered in 2009
74.0% pass rate
from 1,024 tests in 2017
(22% better than other 2009 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 2009 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.

  • 13% fail on Lamps, Reflectors and Electrical Equipment
    • 4.2% fail on Direction indicators (170% worse than other 2009 cars)
      • 4.2% fail on Flashing type (170% worse than other 2009 cars)
        • 2.4% fail on Side repeaters (3 times worse than other 2009 cars)
        • 1.3% fail on Individual lamps
        • 0.59% fail on All direction indicators (3 times worse than other 2009 cars)
    • 3.8% fail on Headlamp aim
    • 3.4% fail on Headlamps
      • 3.4% fail on Headlamp
    • 2.1% fail on Registration plate lamp (49% better than other 2009 cars)
    • 1.2% fail on Stop lamp (64% better than other 2009 cars)
    • 1.1% fail on Position lamps (71% better than other 2009 cars)
      • 0.78% fail on Front lamps (74% better than other 2009 cars)
      • 0.29% fail on Rear lamps
    • 0.29% fail on Headlamp aim not tested
    • 0.20% fail on Horn
    • 0.098% fail on Rear fog lamp
      • 0.098% fail on Fog lamp
  • 6.9% fail on Brakes
    • 3.9% fail on Brake performance
      • 1.4% fail on Parking brake performance
      • 1.3% fail on Front wheels
      • 1.2% fail on Rear wheels
      • 0.88% fail on Service brake performance (11 times worse than other 2009 cars)
      • 0.098% fail on Brake imbalance
    • 3.0% fail on Hub components
      • 2.4% fail on Brake pads
      • 0.78% fail on Brake discs
      • 0.098% fail on Brake calipers
    • 1.4% fail on Hydraulic systems
      • 1.3% fail on Components
        • 1.2% fail on Pipes (140% worse than other 2009 cars)
        • 0.098% fail on Hoses
      • 0.098% fail on Leaks
    • 0.29% fail on Parking brake
      • 0.29% fail on Condition
  • 6.7% fail on Suspension (37% better than other 2009 cars)
    • 3.7% fail on Coil springs
      • 3.7% fail on Condition
    • 1.6% fail on Drive shafts
      • 1.6% fail on Front drive shafts
        • 1.6% fail on Constant velocity joints
    • 0.59% fail on Shock absorbers
      • 0.59% fail on Condition
    • 0.39% fail on Suspension arms (79% better than other 2009 cars)
      • 0.39% fail on Pins/bushes/ball joints (78% better than other 2009 cars)
    • 0.29% fail on Anti-roll bars (89% better than other 2009 cars)
      • 0.29% fail on Linkage pins/bushes/ball joints (85% better than other 2009 cars)
    • 0.20% fail on Front suspension joints
    • 0.098% fail on Wheel bearings
      • 0.098% fail on Rear
  • 5.4% fail on Tyres
    • 3.3% fail on Condition
    • 1.3% fail on Tread depth (67% better than other 2009 cars)
    • 0.78% fail on Tyre pressure monitoring system (5 times worse than other 2009 cars)
    • 0.20% fail on Size/type
    • 0.20% fail on Valve stem
  • 1.7% fail on Driver's view of the road (68% better than other 2009 cars)
    • 0.98% fail on Washers (54% better than other 2009 cars)
    • 0.39% fail on Wipers (86% better than other 2009 cars)
    • 0.20% fail on Bonnet
    • 0.20% fail on Windscreen
  • 0.78% fail on Seat Belts and Supplementary Restraint Systems
    • 0.49% fail on Supplementary restraint systems
      • 0.49% fail on SRS Malfunction Indicator Lamp
    • 0.29% fail on Seat belts
      • 0.29% fail on Condition
  • 0.39% fail on Road Wheels
    • 0.29% fail on Attachment
    • 0.098% fail on Condition
  • 0.29% fail on Exhaust, Fuel and Emissions (85% better than other 2009 cars)
    • 0.098% fail on Exhaust system
    • 0.098% fail on Emissions
    • 0.098% fail on Fuel system
      • 0.098% fail on Hose
  • 0.29% fail on Registration plates and VIN
    • 0.29% fail on Registration plate
  • 0.20% fail on Steering (84% better than other 2009 cars)
    • 0.20% fail on Steering system (82% better than other 2009 cars)
      • 0.20% fail on Steering arm (7 times worse than other 2009 cars)
  • 0.098% fail on Body, Structure and General Items
    • 0.098% fail on Body condition
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