Mercedes-Benz C-Class MOT Results

Registered in 2006
61.6% pass rate
from 10,359 tests in 2017
(8.9% better than other 2006 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 2006 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 18% fail on Suspension (7.8% worse than other 2006 cars)
    • 7.2% fail on Suspension arms (95% worse than other 2006 cars)
      • 7.2% fail on Pins/bushes/ball joints (110% worse than other 2006 cars)
      • 0.039% fail on Attachment
      • 0.029% fail on Condition (75% better than other 2006 cars)
    • 6.1% fail on Anti-roll bars (40% worse than other 2006 cars)
      • 4.7% fail on Linkage pins/bushes/ball joints (42% worse than other 2006 cars)
      • 1.4% fail on Pins/bushes/ball joints (86% worse than other 2006 cars)
      • 0.27% fail on Attachment (3 times worse than other 2006 cars)
      • 0.087% fail on Linkage condition (69% better than other 2006 cars)
      • 0.048% fail on Condition
    • 5.2% fail on Coil springs
      • 5.1% fail on Condition
      • 0.077% fail on Location
    • 2.4% fail on Front suspension joints (140% worse than other 2006 cars)
    • 0.48% fail on Wheel bearings (55% better than other 2006 cars)
      • 0.45% fail on Front
      • 0.029% fail on Rear (96% better than other 2006 cars)
    • 0.18% fail on Shock absorbers (88% better than other 2006 cars)
      • 0.18% fail on Condition (88% better than other 2006 cars)
    • 0.14% fail on Tie bars/rods
      • 0.13% fail on Pins/bushes/ball joints
      • 0.0097% fail on Condition
      • 0.0097% fail on Attachment
    • 0.097% fail on Torque/reaction arms (6 times worse than other 2006 cars)
      • 0.097% fail on Pins/bushes/ball joints (7 times worse than other 2006 cars)
    • 0.068% fail on Macpherson strut (67% better than other 2006 cars)
      • 0.068% fail on Condition (67% better than other 2006 cars)
    • 0.048% fail on Radius arms
      • 0.048% fail on Pins/bushes/ball joints
    • 0.029% fail on Drive shafts (99% better than other 2006 cars)
      • 0.019% fail on Front drive shafts (99% better than other 2006 cars)
        • 0.019% fail on Constant velocity joints (99% better than other 2006 cars)
      • 0.0097% fail on Any drive shaft which is part of the suspension
        • 0.0097% fail on Drive shafts
    • 0.019% fail on General condition
    • 0.0097% fail on Bonded suspension
      • 0.0097% fail on Condition
    • 0.0097% fail on Trailing arms
      • 0.0097% fail on Pins/bushes/ball joints
    • 0.0097% fail on Sub-frames
      • 0.0097% fail on Condition
    • 0.0097% fail on Prescribed areas
      • 0.0097% fail on Component mounting
  • 15% fail on Lamps, Reflectors and Electrical Equipment (31% better than other 2006 cars)
    • 7.2% fail on Headlamp aim (33% worse than other 2006 cars)
    • 2.8% fail on Direction indicators
      • 2.8% fail on Flashing type
        • 1.8% fail on Side repeaters (2 times worse than other 2006 cars)
        • 0.95% fail on Individual lamps (46% better than other 2006 cars)
        • 0.13% fail on All direction indicators (55% better than other 2006 cars)
        • 0.0097% fail on Switch
    • 2.1% fail on Registration plate lamp (65% better than other 2006 cars)
    • 2.1% fail on Headlamps (45% better than other 2006 cars)
      • 2.0% fail on Headlamp (45% better than other 2006 cars)
      • 0.058% fail on Headlamp defects which do require an aim check on retest
        • 0.048% fail on Headlamp levelling device
        • 0.0097% fail on Headlamp cleaning device
      • 0.019% fail on Switch
    • 2.0% fail on Position lamps (67% better than other 2006 cars)
      • 1.6% fail on Front lamps (65% better than other 2006 cars)
      • 0.35% fail on Rear lamps (74% better than other 2006 cars)
      • 0.0097% fail on All position lamps
    • 1.6% fail on Stop lamp (65% better than other 2006 cars)
    • 0.21% fail on Rear fog lamp (74% better than other 2006 cars)
      • 0.19% fail on Fog lamp (75% better than other 2006 cars)
      • 0.019% fail on Switch
    • 0.14% fail on Horn (63% better than other 2006 cars)
    • 0.11% fail on Battery (78% better than other 2006 cars)
    • 0.058% fail on Headlamp aim not tested
    • 0.039% fail on Trailer electrical socket
    • 0.039% fail on Hazard warning
      • 0.019% fail on Lamp
      • 0.019% fail on Switch
    • 0.019% fail on Electrical wiring
    • 0.0097% fail on Rear reflectors
  • 8.9% fail on Brakes (22% better than other 2006 cars)
    • 4.4% fail on Brake performance (22% better than other 2006 cars)
      • 2.1% fail on Parking brake performance (29% better than other 2006 cars)
      • 1.8% fail on Rear wheels (38% better than other 2006 cars)
      • 1.1% fail on Front wheels
      • 0.34% fail on Brake imbalance
      • 0.11% fail on Service brake performance
      • 0.058% fail on Brake performance not tested
    • 2.6% fail on Hub components (21% better than other 2006 cars)
      • 2.3% fail on Brake pads
      • 0.37% fail on Brake discs (59% better than other 2006 cars)
      • 0.048% fail on Brake calipers (71% better than other 2006 cars)
      • 0.019% fail on Brake back plates
    • 2.6% fail on Hydraulic systems
      • 2.4% fail on Components
        • 2.2% fail on Pipes
        • 0.19% fail on Hoses (63% better than other 2006 cars)
        • 0.0097% fail on Reservoirs
      • 0.11% fail on Brake fluid warning lamp
      • 0.077% fail on Leaks (65% better than other 2006 cars)
      • 0.058% fail on Operation
    • 0.46% fail on Parking brake (38% better than other 2006 cars)
      • 0.46% fail on Condition (33% better than other 2006 cars)
    • 0.17% fail on Electronic stability system
    • 0.14% fail on Service brake control components
      • 0.14% fail on Pedal
        • 0.097% fail on Anti-slip
        • 0.039% fail on Condition
    • 0.12% fail on Restricted movement
    • 0.087% fail on ABS (87% better than other 2006 cars)
    • 0.039% fail on Mechanical components (77% better than other 2006 cars)
      • 0.029% fail on Cable (80% better than other 2006 cars)
      • 0.0097% fail on Lever
    • 0.0097% fail on Additional braking devices
    • 0.0097% fail on Locking devices
  • 8.7% fail on Tyres
    • 5.4% fail on Tread depth
    • 3.6% fail on Condition
    • 0.31% fail on Size/type
    • 0.039% fail on Valve stem
  • 4.9% fail on Driver's view of the road (28% better than other 2006 cars)
    • 2.8% fail on Wipers (22% better than other 2006 cars)
    • 1.9% fail on Washers (30% better than other 2006 cars)
    • 0.33% fail on Windscreen
    • 0.25% fail on Mirrors
    • 0.048% fail on Bonnet (71% better than other 2006 cars)
    • 0.019% fail on Indirect vision devices (5 times worse than other 2006 cars)
  • 4.1% fail on Steering (36% worse than other 2006 cars)
    • 4.0% fail on Steering system (50% worse than other 2006 cars)
      • 3.4% fail on Track rod end (89% worse than other 2006 cars)
      • 0.40% fail on Ball joint (75% worse than other 2006 cars)
      • 0.11% fail on Steering rack (73% better than other 2006 cars)
      • 0.068% fail on Steering arm
      • 0.029% fail on Free play (75% better than other 2006 cars)
        • 0.029% fail on Steering rack (75% better than other 2006 cars)
      • 0.0097% fail on Drag link end
    • 0.12% fail on Power steering (58% better than other 2006 cars)
      • 0.068% fail on Operation
      • 0.019% fail on Other components
      • 0.0097% fail on Electronic power steering
      • 0.0097% fail on Drive system
      • 0.0097% fail on Rams
    • 0.019% fail on Steering control
      • 0.0097% fail on Steering wheel
      • 0.0097% fail on Steering column
    • 0.019% fail on Steering operation
  • 2.5% fail on Exhaust, Fuel and Emissions (43% better than other 2006 cars)
    • 1.3% fail on Exhaust system (48% better than other 2006 cars)
    • 0.94% fail on Emissions (45% better than other 2006 cars)
    • 0.20% fail on Fuel system (55% better than other 2006 cars)
      • 0.14% fail on Cap
      • 0.029% fail on Pipe
      • 0.029% fail on System (84% better than other 2006 cars)
      • 0.0097% fail on Tank
    • 0.12% fail on Emissions not tested (69% better than other 2006 cars)
  • 1.4% fail on Seat Belts and Supplementary Restraint Systems (21% better than other 2006 cars)
    • 1.2% fail on Supplementary restraint systems
      • 1.2% fail on SRS Malfunction Indicator Lamp
      • 0.0097% fail on Passengers airbag
    • 0.20% fail on Seat belts (73% better than other 2006 cars)
      • 0.17% fail on Condition (56% better than other 2006 cars)
      • 0.029% fail on Requirements
  • 0.80% fail on Road Wheels (82% worse than other 2006 cars)
    • 0.72% fail on Attachment (140% worse than other 2006 cars)
    • 0.077% fail on Condition
  • 0.51% fail on Registration plates and VIN
    • 0.51% fail on Registration plate
  • 0.20% fail on Body, Structure and General Items (81% better than other 2006 cars)
    • 0.14% fail on Body condition (58% better than other 2006 cars)
    • 0.039% fail on Seats (75% better than other 2006 cars)
      • 0.039% fail on Drivers
    • 0.029% fail on Body security
    • 0.0097% fail on Speedometer
    • 0.0097% fail on Spare wheel

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