Mercedes-Benz B-Class MOT Results

Registered in 2013
82.9% pass rate
from 1,982 tests in 2020
(27% better than other 2013 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 2013 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.

  • 5.4% fail on Lamps, reflectors and electrical equipment (28% better than other 2013 cars)
    • 2.3% fail on Registration plate lamp(s) (130% worse than other 2013 cars)
    • 1.1% fail on Stop lamp
    • 1.1% fail on Headlamp aim (50% better than other 2013 cars)
      • 1.1% fail on Headlamp aim (47% better than other 2013 cars)
    • 0.45% fail on Headlamps (74% better than other 2013 cars)
      • 0.25% fail on Headlamp cleaning device (2 times worse than other 2013 cars)
      • 0.20% fail on Headlamp (88% better than other 2013 cars)
    • 0.45% fail on Reversing lamps (2 times worse than other 2013 cars)
      • 0.45% fail on Reversing lamps (2 times worse than other 2013 cars)
    • 0.25% fail on Direction indicators
      • 0.25% fail on Flashing type
        • 0.25% fail on Side repeaters
    • 0.10% fail on Front and rear fog lamps
      • 0.10% fail on Rear fog lamp
        • 0.10% fail on Rear fog lamp
    • 0.10% fail on Electrical equipment
      • 0.10% fail on Horn
    • 0.050% fail on Position lamps
      • 0.050% fail on Position lamp
  • 5.3% fail on Tyres
    • 3.6% fail on Condition (51% worse than other 2013 cars)
    • 1.9% fail on Tread depth (33% better than other 2013 cars)
    • 0.10% fail on Tyre pressure monitoring system (5 times worse than other 2013 cars)
  • 1.7% fail on Brakes (61% better than other 2013 cars)
    • 1.3% fail on Mechanical brake components (55% better than other 2013 cars)
      • 1.2% fail on Brake linings and pads (51% better than other 2013 cars)
        • 1.1% fail on Brake pads (53% better than other 2013 cars)
        • 0.050% fail on Brake linings
      • 0.10% fail on Brake discs and drums (84% better than other 2013 cars)
        • 0.10% fail on Brake discs (84% better than other 2013 cars)
    • 0.30% fail on Brake performance (77% better than other 2013 cars)
      • 0.15% fail on Service brake performance (80% better than other 2013 cars)
        • 0.15% fail on Rbt (80% better than other 2013 cars)
          • 0.10% fail on Service brake performance (84% better than other 2013 cars)
          • 0.050% fail on Service brake imbalance
      • 0.10% fail on Parking brake efficiency (sp)
        • 0.10% fail on Rbt (sp)
      • 0.050% fail on Service Brake Efficiency (sp)
        • 0.050% fail on Rbt (sp)
          • 0.050% fail on Service brake imbalance
    • 0.15% fail on ABS / EBS / ESC
      • 0.15% fail on Anti-lock braking system
      • 0.10% fail on Electronic stability control
    • 0.050% fail on Hydraulic systems
      • 0.050% fail on Brake fluid
  • 1.3% fail on Suspension (69% better than other 2013 cars)
    • 0.76% fail on Springs (60% better than other 2013 cars)
      • 0.76% fail on Coil springs (60% better than other 2013 cars)
        • 0.76% fail on Coil spring (60% better than other 2013 cars)
    • 0.45% fail on Suspension arms (65% better than other 2013 cars)
      • 0.45% fail on Ball joint
    • 0.050% fail on Anti-roll bars
      • 0.050% fail on Linkage ball joint dust cover
    • 0.050% fail on Other suspension component
      • 0.050% fail on Ball joint
  • 1.3% fail on Noise, emissions and leaks
    • 1.3% fail on Exhaust emissions
      • 0.76% fail on Spark ignition
        • 0.76% fail on Malfunction indicator lamp
      • 0.50% fail on Compression ignition
        • 0.45% fail on Malfunction indicator lamp
        • 0.050% fail on On or after 01/07/2008
    • 0.050% fail on Fluid leaks
      • 0.050% fail on Engine oil leaks
  • 1.1% fail on Visibility (73% better than other 2013 cars)
    • 0.55% fail on Washers (65% better than other 2013 cars)
    • 0.45% fail on Wipers (82% better than other 2013 cars)
    • 0.050% fail on Driver's view
    • 0.050% fail on Condition of glass
      • 0.050% fail on Windscreen
    • 0.050% fail on View to rear
      • 0.050% fail on Mirrors
  • 1.1% fail on Seat belts and supplementary restraint systems (170% worse than other 2013 cars)
    • 0.91% fail on SRS malfunction indicator lamp (3 times worse than other 2013 cars)
    • 0.15% fail on Airbags (14 times worse than other 2013 cars)
      • 0.15% fail on Passengers airbag (56 times worse than other 2013 cars)
    • 0.050% fail on Seat belts
      • 0.050% fail on Condition
  • 0.91% fail on Road Wheels (2 times worse than other 2013 cars)
    • 0.76% fail on Condition (10 times worse than other 2013 cars)
    • 0.15% fail on Attachment
  • 0.55% fail on Identification of the vehicle
    • 0.55% fail on Registration plates
  • 0.45% fail on Body, chassis, structure (63% better than other 2013 cars)
    • 0.20% fail on Transmission
      • 0.20% fail on Drive shafts
        • 0.20% fail on Joints
    • 0.15% fail on Bumpers
    • 0.10% fail on Body
      • 0.050% fail on Panel
      • 0.050% fail on Other body component
    • 0.050% fail on Undertray
  • 0.050% fail on Steering
    • 0.050% fail on Steering linkage components
      • 0.050% fail on Track rod end
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