Mercedes-Benz C-Class MOT Results

Registered in 2009
73.1% pass rate
from 5,314 tests in 2017
(18% 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 C-Class is unusually good or bad.

  • 11% fail on Lamps, Reflectors and Electrical Equipment (27% better than other 2009 cars)
    • 3.7% fail on Headlamp aim
    • 3.6% fail on Position lamps
      • 2.4% fail on Front lamps (21% better than other 2009 cars)
      • 1.4% fail on Rear lamps (76% worse than other 2009 cars)
      • 0.038% fail on All position lamps
    • 2.6% fail on Headlamps
      • 2.5% fail on Headlamp
      • 0.019% fail on Headlamp defects which do require an aim check on retest
        • 0.019% fail on Headlamp levelling device
      • 0.019% fail on Switch
    • 1.5% fail on Direction indicators
      • 1.5% fail on Flashing type
        • 0.75% fail on Individual lamps
        • 0.72% fail on Side repeaters
        • 0.094% fail on All direction indicators
        • 0.019% fail on Switch
    • 1.5% fail on Stop lamp (53% better than other 2009 cars)
    • 1.2% fail on Registration plate lamp (71% better than other 2009 cars)
    • 0.36% fail on Rear fog lamp
      • 0.36% fail on Fog lamp
      • 0.038% fail on Tell tale
    • 0.056% fail on Electrical wiring
    • 0.038% fail on Hazard warning
      • 0.019% fail on Lamp
      • 0.019% fail on Switch
    • 0.038% fail on Horn (83% better than other 2009 cars)
    • 0.038% fail on Headlamp aim not tested
  • 7.9% fail on Tyres
    • 4.1% fail on Tread depth
    • 4.0% fail on Condition
    • 0.11% fail on Tyre pressure monitoring system
    • 0.094% fail on Size/type
    • 0.056% fail on Valve stem
  • 7.5% fail on Brakes (15% worse than other 2009 cars)
    • 3.1% fail on Hydraulic systems (2 times worse than other 2009 cars)
      • 3.0% fail on Components (3 times worse than other 2009 cars)
        • 3.0% fail on Pipes (5 times worse than other 2009 cars)
        • 0.019% fail on Hoses
        • 0.019% fail on Reservoirs
      • 0.11% fail on Leaks
      • 0.038% fail on Brake fluid warning lamp
      • 0.038% fail on Operation
    • 2.6% fail on Hub components
      • 2.2% fail on Brake pads
      • 0.55% fail on Brake discs
      • 0.056% fail on Brake calipers
      • 0.019% fail on Brake linings
    • 2.3% fail on Brake performance
      • 1.2% fail on Parking brake performance
      • 1.2% fail on Rear wheels
      • 0.38% fail on Front wheels (53% better than other 2009 cars)
      • 0.17% fail on Brake imbalance
      • 0.056% fail on Service brake performance
      • 0.038% fail on Brake performance not tested
    • 0.094% fail on Restricted movement
    • 0.056% fail on Electronic stability system
    • 0.056% fail on Parking brake (87% better than other 2009 cars)
      • 0.056% fail on Condition (86% better than other 2009 cars)
    • 0.056% fail on ABS (79% better than other 2009 cars)
    • 0.038% fail on Service brake control components
      • 0.038% fail on Pedal
        • 0.019% fail on Condition
        • 0.019% fail on Anti-slip
    • 0.019% fail on Mechanical components
      • 0.019% fail on Cable
  • 6.2% fail on Suspension (43% better than other 2009 cars)
    • 2.3% fail on Suspension arms
      • 2.3% fail on Pins/bushes/ball joints
    • 2.2% fail on Coil springs (47% better than other 2009 cars)
      • 2.2% fail on Condition (47% better than other 2009 cars)
      • 0.019% fail on Location
    • 0.92% fail on Anti-roll bars (64% better than other 2009 cars)
      • 0.83% fail on Linkage pins/bushes/ball joints (59% better than other 2009 cars)
      • 0.094% fail on Pins/bushes/ball joints (76% better than other 2009 cars)
    • 0.87% fail on Front suspension joints (72% worse than other 2009 cars)
    • 0.19% fail on Wheel bearings (60% better than other 2009 cars)
      • 0.19% fail on Front
    • 0.17% fail on Shock absorbers (85% better than other 2009 cars)
      • 0.17% fail on Condition (85% better than other 2009 cars)
    • 0.11% fail on Sub-frames
      • 0.094% fail on Pins/bushes/ball joints
      • 0.019% fail on Condition
    • 0.056% fail on Torque/reaction arms (9 times worse than other 2009 cars)
      • 0.056% fail on Pins/bushes/ball joints (9 times worse than other 2009 cars)
    • 0.019% fail on Tie bars/rods
      • 0.019% fail on Pins/bushes/ball joints
  • 2.6% fail on Driver's view of the road (51% better than other 2009 cars)
    • 1.3% fail on Wipers (54% better than other 2009 cars)
    • 1.1% fail on Washers (49% better than other 2009 cars)
    • 0.24% fail on Windscreen
    • 0.056% fail on Mirrors
    • 0.038% fail on Bonnet
  • 0.72% fail on Steering (40% better than other 2009 cars)
    • 0.62% fail on Steering system (42% better than other 2009 cars)
      • 0.45% fail on Track rod end (42% better than other 2009 cars)
      • 0.11% fail on Ball joint
      • 0.056% fail on Steering rack
      • 0.019% fail on Steering arm
    • 0.056% fail on Power steering
      • 0.019% fail on Electronic power steering
      • 0.019% fail on Operation
      • 0.019% fail on Drive system
      • 0.019% fail on Pipes and hoses
    • 0.038% fail on Steering operation
  • 0.62% fail on Seat Belts and Supplementary Restraint Systems
    • 0.32% fail on Seat belts
      • 0.30% fail on Condition
      • 0.019% fail on Requirements
    • 0.30% fail on Supplementary restraint systems
      • 0.24% fail on SRS Malfunction Indicator Lamp
      • 0.038% fail on Passengers airbag (9 times worse than other 2009 cars)
      • 0.019% fail on Drivers airbag
  • 0.58% fail on Road Wheels (70% worse than other 2009 cars)
    • 0.45% fail on Attachment (110% worse than other 2009 cars)
    • 0.13% fail on Condition
  • 0.55% fail on Body, Structure and General Items
    • 0.41% fail on Doors (130% worse than other 2009 cars)
      • 0.19% fail on Passengers other (170% worse than other 2009 cars)
      • 0.13% fail on Drivers (180% worse than other 2009 cars)
      • 0.094% fail on Passengers front
    • 0.056% fail on Body condition
    • 0.038% fail on Load security
      • 0.019% fail on Access panel
      • 0.019% fail on Tailgate
    • 0.019% fail on Speedometer
    • 0.019% fail on Body security
  • 0.40% fail on Exhaust, Fuel and Emissions (80% better than other 2009 cars)
    • 0.23% fail on Exhaust system (82% better than other 2009 cars)
    • 0.13% fail on Emissions (78% better than other 2009 cars)
    • 0.038% fail on Emissions not tested
    • 0.019% fail on Fuel system
      • 0.019% fail on System
  • 0.34% fail on Registration plates and VIN
    • 0.34% fail on Registration plate
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