Mercedes-Benz B-Class MOT Results

Registered in 2012
83.9% pass rate
from 760 tests in 2017
(23% better than other 2012 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 2012 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.

  • 6.6% fail on Tyres
    • 4.3% fail on Condition
    • 1.7% fail on Tread depth
    • 0.39% fail on Tyre pressure monitoring system
    • 0.26% fail on Size/type
    • 0.13% fail on Valve stem
  • 4.3% fail on Lamps, Reflectors and Electrical Equipment (46% better than other 2012 cars)
    • 1.8% fail on Registration plate lamp
    • 1.3% fail on Headlamp aim
    • 0.79% fail on Stop lamp
    • 0.39% fail on Direction indicators
      • 0.39% fail on Flashing type
        • 0.39% fail on Side repeaters
  • 2.8% fail on Suspension
    • 1.6% fail on Suspension arms (200% worse than other 2012 cars)
      • 1.6% fail on Pins/bushes/ball joints (2 times worse than other 2012 cars)
    • 0.79% fail on Front suspension joints (4 times worse than other 2012 cars)
    • 0.26% fail on Coil springs (84% better than other 2012 cars)
      • 0.26% fail on Condition (84% better than other 2012 cars)
    • 0.13% fail on Drive shafts
      • 0.13% fail on Front drive shafts
        • 0.13% fail on Constant velocity joints
  • 1.7% fail on Brakes (55% better than other 2012 cars)
    • 1.1% fail on Hub components
      • 1.1% fail on Brake pads
    • 0.66% fail on Brake performance
      • 0.39% fail on Service brake performance (4 times worse than other 2012 cars)
      • 0.13% fail on Brake imbalance
      • 0.13% fail on Rear wheels
  • 1.1% fail on Road Wheels (3 times worse than other 2012 cars)
    • 0.79% fail on Condition (8 times worse than other 2012 cars)
    • 0.26% fail on Attachment
  • 0.92% fail on Seat Belts and Supplementary Restraint Systems
    • 0.92% fail on Supplementary restraint systems (4 times worse than other 2012 cars)
      • 0.79% fail on SRS Malfunction Indicator Lamp (3 times worse than other 2012 cars)
      • 0.13% fail on Drivers airbag
  • 0.92% fail on Driver's view of the road (79% better than other 2012 cars)
    • 0.53% fail on Wipers (82% better than other 2012 cars)
    • 0.39% fail on Washers
  • 0.26% fail on Registration plates and VIN
    • 0.26% fail on Registration plate
  • 0.13% fail on Steering
    • 0.13% fail on Steering control
      • 0.13% fail on Steering column
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