Mercedes-Benz C-Class MOT Results

Registered in 1999
60.7% pass rate
from 1,870 tests in 2017
(19% better than other 1999 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 1999 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 21% fail on Lamps, Reflectors and Electrical Equipment (15% better than other 1999 cars)
    • 6.0% fail on Direction indicators (110% worse than other 1999 cars)
      • 6.0% fail on Flashing type (110% worse than other 1999 cars)
        • 3.5% fail on Individual lamps (88% worse than other 1999 cars)
        • 3.1% fail on Side repeaters (3 times worse than other 1999 cars)
        • 0.80% fail on All direction indicators (140% worse than other 1999 cars)
        • 0.053% fail on Switch
    • 5.3% fail on Position lamps
      • 3.6% fail on Front lamps
      • 1.7% fail on Rear lamps
      • 0.16% fail on All position lamps
    • 4.7% fail on Headlamp aim (30% better than other 1999 cars)
    • 4.1% fail on Registration plate lamp (28% better than other 1999 cars)
    • 3.8% fail on Stop lamp (32% better than other 1999 cars)
    • 2.9% fail on Headlamps (31% better than other 1999 cars)
      • 2.9% fail on Headlamp (30% better than other 1999 cars)
      • 0.053% fail on Headlamp defects which don't require an aim check on retest
        • 0.053% fail on Headlamp cleaning device
    • 0.53% fail on Rear fog lamp (65% better than other 1999 cars)
      • 0.53% fail on Fog lamp (63% better than other 1999 cars)
      • 0.053% fail on Tell tale
    • 0.53% fail on Horn
    • 0.21% fail on Headlamp aim not tested
    • 0.053% fail on Battery
    • 0.053% fail on Hazard warning
      • 0.053% fail on Switch
  • 12% fail on Suspension (46% better than other 1999 cars)
    • 4.1% fail on Coil springs (45% worse than other 1999 cars)
      • 3.8% fail on Condition (40% worse than other 1999 cars)
      • 0.37% fail on Location (2 times worse than other 1999 cars)
    • 3.6% fail on Prescribed areas (40% better than other 1999 cars)
      • 2.0% fail on Component mounting (59% better than other 1999 cars)
      • 1.2% fail on Spring mounting (190% worse than other 1999 cars)
      • 0.70% fail on Subframe mounting
    • 1.7% fail on Suspension arms (60% better than other 1999 cars)
      • 1.4% fail on Pins/bushes/ball joints (63% better than other 1999 cars)
      • 0.16% fail on Condition
      • 0.053% fail on Attachment
    • 1.7% fail on Anti-roll bars (66% better than other 1999 cars)
      • 0.59% fail on Linkage pins/bushes/ball joints (82% better than other 1999 cars)
      • 0.48% fail on Pins/bushes/ball joints
      • 0.48% fail on Attachment (140% worse than other 1999 cars)
      • 0.11% fail on Condition
    • 1.6% fail on Front suspension joints
    • 0.80% fail on Wheel bearings (57% better than other 1999 cars)
      • 0.80% fail on Front
    • 0.37% fail on Shock absorbers (76% better than other 1999 cars)
      • 0.37% fail on Condition (76% better than other 1999 cars)
    • 0.053% fail on Sub-frames
      • 0.053% fail on Condition
    • 0.053% fail on Front suspension retaining and locking devices
  • 11% fail on Brakes (38% better than other 1999 cars)
    • 5.2% fail on Hydraulic systems
      • 5.0% fail on Components
        • 3.5% fail on Pipes
        • 1.7% fail on Hoses
      • 0.32% fail on Leaks
      • 0.053% fail on Brake fluid warning lamp
      • 0.053% fail on Operation
    • 3.0% fail on Brake performance (68% better than other 1999 cars)
      • 1.2% fail on Rear wheels (71% better than other 1999 cars)
      • 1.1% fail on Front wheels (67% better than other 1999 cars)
      • 0.86% fail on Parking brake performance (82% better than other 1999 cars)
      • 0.53% fail on Service brake performance (61% better than other 1999 cars)
      • 0.43% fail on Brake imbalance
      • 0.16% fail on Brake performance not tested
    • 2.9% fail on Hub components
      • 2.8% fail on Brake pads
      • 0.37% fail on Brake discs
      • 0.053% fail on Brake calipers
    • 1.1% fail on Electronic stability system (5 times worse than other 1999 cars)
    • 1.0% fail on ABS
    • 0.11% fail on Service brake control components
      • 0.11% fail on Pedal
        • 0.11% fail on Anti-slip
    • 0.11% fail on Air and vacuum systems
      • 0.11% fail on Components
        • 0.053% fail on Hoses
        • 0.053% fail on Servos
    • 0.11% fail on Restricted movement
    • 0.053% fail on Locking devices
  • 7.9% fail on Tyres
    • 4.8% fail on Tread depth
    • 3.3% fail on Condition
    • 0.21% fail on Size/type
    • 0.11% fail on Valve stem
  • 7.3% fail on Driver's view of the road (22% better than other 1999 cars)
    • 4.2% fail on Wipers
    • 2.2% fail on Washers (38% better than other 1999 cars)
    • 0.91% fail on Mirrors (110% worse than other 1999 cars)
    • 0.86% fail on Windscreen
    • 0.053% fail on Bonnet
  • 5.8% fail on Exhaust, Fuel and Emissions (49% better than other 1999 cars)
    • 2.4% fail on Emissions (64% better than other 1999 cars)
    • 2.1% fail on Fuel system (120% worse than other 1999 cars)
      • 0.75% fail on System (160% worse than other 1999 cars)
      • 0.53% fail on Hose (9 times worse than other 1999 cars)
      • 0.48% fail on Cap
      • 0.27% fail on Pipe
      • 0.16% fail on Tank
    • 1.6% fail on Exhaust system (70% better than other 1999 cars)
    • 0.43% fail on Emissions not tested (61% better than other 1999 cars)
  • 3.5% fail on Seat Belts and Supplementary Restraint Systems (35% better than other 1999 cars)
    • 2.0% fail on Seat belts (48% better than other 1999 cars)
      • 1.8% fail on Prescribed areas (42% better than other 1999 cars)
      • 0.16% fail on Condition (73% better than other 1999 cars)
    • 1.6% fail on Supplementary restraint systems
      • 1.5% fail on SRS Malfunction Indicator Lamp
      • 0.053% fail on Drivers airbag
  • 3.3% fail on Steering (28% better than other 1999 cars)
    • 3.1% fail on Steering system
      • 1.8% fail on Track rod end
      • 0.37% fail on Ball joint
      • 0.21% fail on Steering damper (10 times worse than other 1999 cars)
      • 0.21% fail on Steering arm
      • 0.21% fail on Other components (3 times worse than other 1999 cars)
        • 0.21% fail on Steering pivot point (4 times worse than other 1999 cars)
      • 0.11% fail on Free play
        • 0.11% fail on Steering rack
      • 0.11% fail on Drag link end
      • 0.053% fail on Steering box
      • 0.053% fail on Steering rack
      • 0.053% fail on Intermediate drop arm
    • 0.11% fail on Steering control
      • 0.11% fail on Steering column
    • 0.053% fail on Power steering
      • 0.053% fail on Operation
  • 2.7% fail on Body, Structure and General Items (36% better than other 1999 cars)
    • 1.9% fail on Body condition
    • 0.53% fail on Vehicle structure (54% better than other 1999 cars)
      • 0.53% fail on Chassis (54% better than other 1999 cars)
    • 0.32% fail on Doors
      • 0.32% fail on Passengers other
    • 0.11% fail on Body security
    • 0.11% fail on Seats
      • 0.053% fail on Passengers
      • 0.053% fail on Drivers
  • 0.80% fail on Registration plates and VIN
    • 0.80% fail on Registration plate
  • 0.70% fail on Road Wheels
    • 0.70% fail on Attachment (150% worse than other 1999 cars)

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