Mercedes-Benz C-Class MOT Results

Registered in 2003
57.0% pass rate
from 11,474 tests in 2017
(11% better than other 2003 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 2003 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 23% fail on Suspension (12% worse than other 2003 cars)
    • 9.8% fail on Coil springs (120% worse than other 2003 cars)
      • 9.7% fail on Condition (130% worse than other 2003 cars)
      • 0.11% fail on Location
    • 8.2% fail on Suspension arms (77% worse than other 2003 cars)
      • 8.0% fail on Pins/bushes/ball joints (84% worse than other 2003 cars)
      • 0.13% fail on Condition
      • 0.087% fail on Attachment
    • 8.0% fail on Anti-roll bars (42% worse than other 2003 cars)
      • 6.1% fail on Linkage pins/bushes/ball joints (49% worse than other 2003 cars)
      • 1.6% fail on Pins/bushes/ball joints (59% worse than other 2003 cars)
      • 0.46% fail on Linkage condition
      • 0.18% fail on Attachment
      • 0.15% fail on Condition (110% worse than other 2003 cars)
      • 0.0087% fail on Presence
    • 2.3% fail on Front suspension joints (52% worse than other 2003 cars)
    • 0.64% fail on Wheel bearings (63% better than other 2003 cars)
      • 0.58% fail on Front
      • 0.078% fail on Rear (92% better than other 2003 cars)
    • 0.37% fail on Shock absorbers (74% better than other 2003 cars)
      • 0.37% fail on Condition (74% better than other 2003 cars)
    • 0.24% fail on Tie bars/rods
      • 0.22% fail on Pins/bushes/ball joints
      • 0.0087% fail on Condition
      • 0.0087% fail on Attachment
    • 0.13% fail on Torque/reaction arms (4 times worse than other 2003 cars)
      • 0.096% fail on Pins/bushes/ball joints (3 times worse than other 2003 cars)
      • 0.017% fail on Condition (6 times worse than other 2003 cars)
      • 0.017% fail on Attachment (9 times worse than other 2003 cars)
    • 0.12% fail on Radius arms
      • 0.087% fail on Pins/bushes/ball joints
      • 0.035% fail on Condition (5 times worse than other 2003 cars)
    • 0.11% fail on Trailing arms (55% better than other 2003 cars)
      • 0.052% fail on Condition
      • 0.052% fail on Pins/bushes/ball joints (76% better than other 2003 cars)
      • 0.0087% fail on Attachment
    • 0.078% fail on Macpherson strut (83% better than other 2003 cars)
      • 0.078% fail on Condition (83% better than other 2003 cars)
    • 0.017% fail on General condition
    • 0.017% fail on Sub-frames (94% better than other 2003 cars)
      • 0.0087% fail on Condition
      • 0.0087% fail on Pins/bushes/ball joints
    • 0.017% fail on Drive shafts (100% better than other 2003 cars)
      • 0.017% fail on Any drive shaft which is part of the suspension
        • 0.017% fail on Drive shafts
    • 0.0087% fail on Panhard rods
      • 0.0087% fail on Pins/bushes/ball joints
    • 0.0087% fail on Prescribed areas
      • 0.0087% fail on Component mounting
  • 17% fail on Lamps, Reflectors and Electrical Equipment (37% better than other 2003 cars)
    • 4.8% fail on Headlamp aim (37% better than other 2003 cars)
    • 4.6% fail on Direction indicators (66% worse than other 2003 cars)
      • 4.6% fail on Flashing type (65% worse than other 2003 cars)
        • 2.0% fail on Individual lamps
        • 1.4% fail on Switch (14 times worse than other 2003 cars)
        • 0.99% fail on Side repeaters
        • 0.38% fail on All direction indicators
        • 0.0087% fail on Tell tales
      • 0.044% fail on Semaphore (16 times worse than other 2003 cars)
        • 0.026% fail on Switch (15 times worse than other 2003 cars)
        • 0.017% fail on Arm (48 times worse than other 2003 cars)
    • 3.9% fail on Registration plate lamp (45% better than other 2003 cars)
    • 2.7% fail on Headlamps (44% better than other 2003 cars)
      • 2.5% fail on Headlamp (46% better than other 2003 cars)
      • 0.087% fail on Headlamp defects which don't require an aim check on retest
        • 0.035% fail on Headlamp cleaning device
        • 0.035% fail on Main beam 'tell-tale'
        • 0.017% fail on Headlamp levelling device
      • 0.078% fail on Headlamp defects which do require an aim check on retest
        • 0.078% fail on Headlamp levelling device
        • 0.0087% fail on Headlamp cleaning device
      • 0.044% fail on Switch
      • 0.017% fail on Matched pair
      • 0.017% fail on Dipswitch
    • 2.6% fail on Stop lamp (55% better than other 2003 cars)
    • 2.2% fail on Position lamps (70% better than other 2003 cars)
      • 1.2% fail on Front lamps (79% better than other 2003 cars)
      • 1.0% fail on Rear lamps (46% better than other 2003 cars)
      • 0.070% fail on All position lamps
      • 0.0087% fail on Switch
    • 0.52% fail on Horn
    • 0.46% fail on Rear fog lamp (70% better than other 2003 cars)
      • 0.44% fail on Fog lamp (70% better than other 2003 cars)
      • 0.035% fail on Tell tale
      • 0.035% fail on Switch
    • 0.23% fail on Battery (75% better than other 2003 cars)
    • 0.12% fail on Headlamp aim not tested
    • 0.052% fail on Hazard warning (75% better than other 2003 cars)
      • 0.035% fail on Lamp
      • 0.017% fail on Switch (88% better than other 2003 cars)
    • 0.026% fail on Rear reflectors
    • 0.017% fail on Electrical wiring
    • 0.017% fail on Trailer electrical socket
  • 11% fail on Brakes (29% better than other 2003 cars)
    • 5.8% fail on Brake performance (29% better than other 2003 cars)
      • 3.2% fail on Parking brake performance (26% better than other 2003 cars)
      • 2.8% fail on Rear wheels (26% better than other 2003 cars)
      • 0.96% fail on Front wheels (59% better than other 2003 cars)
      • 0.39% fail on Brake imbalance
      • 0.36% fail on Service brake performance (45% better than other 2003 cars)
      • 0.035% fail on Brake performance not tested (77% better than other 2003 cars)
      • 0.017% fail on Brake operation
    • 3.7% fail on Hydraulic systems (40% better than other 2003 cars)
      • 3.5% fail on Components (41% better than other 2003 cars)
        • 3.1% fail on Pipes (28% better than other 2003 cars)
        • 0.40% fail on Hoses (70% better than other 2003 cars)
      • 0.17% fail on Brake fluid warning lamp
      • 0.070% fail on Operation
      • 0.061% fail on Leaks (82% better than other 2003 cars)
    • 2.7% fail on Hub components (14% better than other 2003 cars)
      • 2.4% fail on Brake pads
      • 0.32% fail on Brake discs (65% better than other 2003 cars)
      • 0.044% fail on Brake back plates
      • 0.035% fail on Brake calipers (79% better than other 2003 cars)
      • 0.0087% fail on Brake linings
    • 1.0% fail on Parking brake
      • 1.0% fail on Condition
      • 0.0087% fail on Electronic parking brake
      • 0.0087% fail on Fitment
    • 0.67% fail on Electronic stability system (2 times worse than other 2003 cars)
    • 0.37% fail on ABS (65% better than other 2003 cars)
    • 0.18% fail on Restricted movement
    • 0.087% fail on Service brake control components (65% better than other 2003 cars)
      • 0.078% fail on Pedal (68% better than other 2003 cars)
        • 0.052% fail on Condition
        • 0.026% fail on Anti-slip (85% better than other 2003 cars)
      • 0.0087% fail on Pedal linkage
        • 0.0087% fail on Cable
    • 0.017% fail on Mechanical components (93% better than other 2003 cars)
      • 0.0087% fail on Cable
      • 0.0087% fail on Pivot
    • 0.017% fail on Air and vacuum systems
      • 0.017% fail on Components
        • 0.0087% fail on Pipes
        • 0.0087% fail on Hoses
  • 8.4% fail on Tyres
    • 5.4% fail on Tread depth
    • 3.2% fail on Condition (16% better than other 2003 cars)
    • 0.24% fail on Size/type
    • 0.061% fail on Valve stem
  • 7.6% fail on Driver's view of the road (17% better than other 2003 cars)
    • 4.5% fail on Wipers (12% better than other 2003 cars)
    • 2.6% fail on Washers (28% better than other 2003 cars)
    • 0.72% fail on Mirrors (90% worse than other 2003 cars)
    • 0.32% fail on Windscreen (45% better than other 2003 cars)
    • 0.052% fail on Bonnet (67% better than other 2003 cars)
  • 6.6% fail on Exhaust, Fuel and Emissions (13% better than other 2003 cars)
    • 3.4% fail on Emissions
    • 2.6% fail on Exhaust system (40% better than other 2003 cars)
    • 0.81% fail on Fuel system
      • 0.42% fail on Cap (57% worse than other 2003 cars)
      • 0.30% fail on System
      • 0.087% fail on Pipe
      • 0.0087% fail on Tank
    • 0.42% fail on Emissions not tested (46% better than other 2003 cars)
  • 4.4% fail on Steering (13% better than other 2003 cars)
    • 4.3% fail on Steering system
      • 3.6% fail on Track rod end
      • 0.40% fail on Ball joint
      • 0.31% fail on Steering rack (63% better than other 2003 cars)
      • 0.078% fail on Steering arm
      • 0.017% fail on Free play (86% better than other 2003 cars)
        • 0.017% fail on Steering rack (86% better than other 2003 cars)
      • 0.017% fail on Drag link end
    • 0.044% fail on Power steering (91% better than other 2003 cars)
      • 0.017% fail on Operation (88% better than other 2003 cars)
      • 0.0087% fail on Electronic power steering
      • 0.0087% fail on Pipes and hoses
      • 0.0087% fail on Other components
    • 0.035% fail on Steering operation
    • 0.0087% fail on Steering control
      • 0.0087% fail on Steering wheel
  • 2.3% fail on Seat Belts and Supplementary Restraint Systems (30% better than other 2003 cars)
    • 1.6% fail on Supplementary restraint systems
      • 1.6% fail on SRS Malfunction Indicator Lamp
      • 0.026% fail on Drivers airbag (74% better than other 2003 cars)
    • 0.73% fail on Seat belts (60% better than other 2003 cars)
      • 0.60% fail on Condition
      • 0.078% fail on Requirements
      • 0.044% fail on Attachment
      • 0.0087% fail on Prescribed areas
  • 1.0% fail on Registration plates and VIN
    • 1.0% fail on Registration plate
  • 0.99% fail on Road Wheels (110% worse than other 2003 cars)
    • 0.95% fail on Attachment (170% worse than other 2003 cars)
    • 0.044% fail on Condition (66% better than other 2003 cars)
  • 0.44% fail on Body, Structure and General Items (80% better than other 2003 cars)
    • 0.22% fail on Body condition (74% better than other 2003 cars)
    • 0.096% fail on Seats (62% better than other 2003 cars)
      • 0.096% fail on Drivers
    • 0.070% fail on Doors (88% better than other 2003 cars)
      • 0.044% fail on Passengers other (87% better than other 2003 cars)
      • 0.017% fail on Passengers front (88% better than other 2003 cars)
      • 0.0087% fail on Drivers
    • 0.017% fail on Speedometer
    • 0.017% fail on Load security
      • 0.017% fail on Bootlid
    • 0.0087% fail on Engine mountings
    • 0.0087% fail on Body security

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