Mercedes-Benz B-Class MOT Results

Registered in 2008
68.4% pass rate
from 1,141 tests in 2017
(15% better than other 2008 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 2008 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.

  • 15% fail on Lamps, Reflectors and Electrical Equipment (18% better than other 2008 cars)
    • 4.1% fail on Direction indicators (130% worse than other 2008 cars)
      • 4.1% fail on Flashing type (130% worse than other 2008 cars)
        • 2.1% fail on Individual lamps (92% worse than other 2008 cars)
        • 1.8% fail on Side repeaters (2 times worse than other 2008 cars)
        • 0.44% fail on All direction indicators
    • 3.7% fail on Headlamps
      • 3.7% fail on Headlamp
    • 3.5% fail on Headlamp aim
    • 2.3% fail on Stop lamp (42% better than other 2008 cars)
    • 2.0% fail on Registration plate lamp (60% better than other 2008 cars)
    • 1.9% fail on Position lamps (61% better than other 2008 cars)
      • 1.4% fail on Front lamps (64% better than other 2008 cars)
      • 0.53% fail on Rear lamps
    • 0.53% fail on Rear fog lamp
      • 0.53% fail on Fog lamp
    • 0.26% fail on Horn
    • 0.18% fail on Headlamp aim not tested
  • 11% fail on Suspension
    • 5.6% fail on Coil springs
      • 5.6% fail on Condition
    • 2.9% fail on Drive shafts
      • 2.9% fail on Front drive shafts
        • 2.9% fail on Constant velocity joints
    • 1.2% fail on Shock absorbers
      • 1.2% fail on Condition
    • 0.96% fail on Suspension arms (61% better than other 2008 cars)
      • 0.96% fail on Pins/bushes/ball joints (60% better than other 2008 cars)
    • 0.79% fail on Front suspension joints
    • 0.18% fail on Anti-roll bars (94% better than other 2008 cars)
      • 0.088% fail on Linkage pins/bushes/ball joints
      • 0.088% fail on Pins/bushes/ball joints
    • 0.088% fail on Macpherson strut
      • 0.088% fail on Condition
    • 0.088% fail on Wheel bearings
      • 0.088% fail on Front
  • 10.0% fail on Brakes
    • 4.8% fail on Brake performance
      • 2.3% fail on Parking brake performance
      • 1.8% fail on Rear wheels
      • 1.1% fail on Front wheels
      • 0.61% fail on Service brake performance (4 times worse than other 2008 cars)
      • 0.18% fail on Brake imbalance
    • 2.6% fail on Hub components
      • 2.0% fail on Brake pads
      • 0.61% fail on Brake discs
      • 0.088% fail on Brake calipers
    • 2.5% fail on Hydraulic systems (86% worse than other 2008 cars)
      • 2.5% fail on Components (110% worse than other 2008 cars)
        • 2.5% fail on Pipes (160% worse than other 2008 cars)
        • 0.088% fail on Hoses
      • 0.088% fail on Brake fluid warning lamp
      • 0.088% fail on Leaks
    • 1.5% fail on Parking brake (160% worse than other 2008 cars)
      • 1.5% fail on Condition (190% worse than other 2008 cars)
    • 0.26% fail on ABS
    • 0.18% fail on Electronic stability system
    • 0.088% fail on Mechanical components
      • 0.088% fail on Cable
    • 0.088% fail on Restricted movement
  • 5.9% fail on Tyres
    • 3.3% fail on Condition
    • 1.8% fail on Tread depth (59% better than other 2008 cars)
    • 0.61% fail on Tyre pressure monitoring system (5 times worse than other 2008 cars)
    • 0.35% fail on Size/type
  • 4.8% fail on Driver's view of the road
    • 3.1% fail on Washers
    • 0.79% fail on Wipers (74% better than other 2008 cars)
    • 0.44% fail on Windscreen
    • 0.44% fail on Mirrors
    • 0.26% fail on Bonnet
  • 0.96% fail on Seat Belts and Supplementary Restraint Systems
    • 0.61% fail on Seat belts
      • 0.61% fail on Condition
    • 0.35% fail on Supplementary restraint systems
      • 0.35% fail on SRS Malfunction Indicator Lamp
  • 0.70% fail on Body, Structure and General Items
    • 0.26% fail on Engine mountings (9 times worse than other 2008 cars)
    • 0.26% fail on Body condition
    • 0.18% fail on Doors
      • 0.18% fail on Passengers front
  • 0.53% fail on Steering (67% better than other 2008 cars)
    • 0.53% fail on Steering system (63% better than other 2008 cars)
      • 0.18% fail on Ball joint
      • 0.18% fail on Track rod end (82% better than other 2008 cars)
      • 0.088% fail on Steering rack
      • 0.088% fail on Steering arm
  • 0.53% fail on Exhaust, Fuel and Emissions (82% better than other 2008 cars)
    • 0.35% fail on Emissions
    • 0.18% fail on Exhaust system (90% better than other 2008 cars)
    • 0.088% fail on Fuel system
      • 0.088% fail on Pipe
    • 0.088% fail on Emissions not tested
  • 0.44% fail on Registration plates and VIN
    • 0.44% fail on Registration plate
  • 0.35% fail on Road Wheels
    • 0.26% fail on Attachment
    • 0.088% fail on Condition
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