Mercedes-Benz C-Class MOT Results

Registered in 2004
57.3% pass rate
from 11,402 tests in 2017
(9.7% better than other 2004 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 2004 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 23% fail on Suspension (12% worse than other 2004 cars)
    • 8.9% fail on Suspension arms (100% worse than other 2004 cars)
      • 8.7% fail on Pins/bushes/ball joints (110% worse than other 2004 cars)
      • 0.11% fail on Condition
      • 0.079% fail on Attachment
    • 8.6% fail on Coil springs (77% worse than other 2004 cars)
      • 8.5% fail on Condition (78% worse than other 2004 cars)
      • 0.13% fail on Location
    • 7.8% fail on Anti-roll bars (32% worse than other 2004 cars)
      • 6.0% fail on Linkage pins/bushes/ball joints (39% worse than other 2004 cars)
      • 1.7% fail on Pins/bushes/ball joints (66% worse than other 2004 cars)
      • 0.26% fail on Linkage condition (43% better than other 2004 cars)
      • 0.19% fail on Attachment (81% worse than other 2004 cars)
      • 0.061% fail on Condition
    • 2.5% fail on Front suspension joints (74% worse than other 2004 cars)
    • 0.62% fail on Wheel bearings (62% better than other 2004 cars)
      • 0.59% fail on Front
      • 0.035% fail on Rear (96% better than other 2004 cars)
    • 0.33% fail on Shock absorbers (77% better than other 2004 cars)
      • 0.33% fail on Condition (77% better than other 2004 cars)
    • 0.25% fail on Tie bars/rods
      • 0.22% fail on Pins/bushes/ball joints
      • 0.026% fail on Condition
      • 0.0088% fail on Attachment
    • 0.11% fail on Trailing arms (51% better than other 2004 cars)
      • 0.061% fail on Pins/bushes/ball joints (69% better than other 2004 cars)
      • 0.044% fail on Condition
      • 0.0088% fail on Attachment
    • 0.096% fail on Torque/reaction arms (3 times worse than other 2004 cars)
      • 0.096% fail on Pins/bushes/ball joints (4 times worse than other 2004 cars)
    • 0.079% fail on Macpherson strut (72% better than other 2004 cars)
      • 0.079% fail on Condition (72% better than other 2004 cars)
    • 0.070% fail on Radius arms
      • 0.061% fail on Pins/bushes/ball joints
      • 0.0088% fail on Condition
    • 0.018% fail on General condition
    • 0.018% fail on Prescribed areas (99% better than other 2004 cars)
      • 0.018% fail on Spring mounting
    • 0.0088% fail on Leaf springs
      • 0.0088% fail on Condition
    • 0.0088% fail on Fluid suspension
      • 0.0088% fail on Suspension unit
    • 0.0088% fail on Axles
      • 0.0088% fail on Stub axle
    • 0.0088% fail on Drive shafts
      • 0.0088% fail on Front drive shafts
        • 0.0088% fail on Constant velocity joints
  • 18% fail on Lamps, Reflectors and Electrical Equipment (30% better than other 2004 cars)
    • 6.2% fail on Headlamp aim (14% better than other 2004 cars)
    • 5.2% fail on Direction indicators (66% worse than other 2004 cars)
      • 5.2% fail on Flashing type (65% worse than other 2004 cars)
        • 2.7% fail on Individual lamps (44% worse than other 2004 cars)
        • 1.6% fail on Side repeaters (50% worse than other 2004 cars)
        • 0.56% fail on Switch (10 times worse than other 2004 cars)
        • 0.52% fail on All direction indicators (71% worse than other 2004 cars)
      • 0.0088% fail on Semaphore
        • 0.0088% fail on Switch
    • 4.1% fail on Registration plate lamp (37% better than other 2004 cars)
    • 2.8% fail on Headlamps (41% better than other 2004 cars)
      • 2.6% fail on Headlamp (45% better than other 2004 cars)
      • 0.15% fail on Headlamp defects which do require an aim check on retest (150% worse than other 2004 cars)
        • 0.12% fail on Headlamp levelling device (2 times worse than other 2004 cars)
        • 0.061% fail on Headlamp cleaning device
      • 0.088% fail on Headlamp defects which don't require an aim check on retest
        • 0.061% fail on Headlamp cleaning device
        • 0.018% fail on Headlamp levelling device
        • 0.0088% fail on Main beam 'tell-tale'
      • 0.018% fail on Switch
      • 0.0088% fail on Matched pair
    • 2.3% fail on Position lamps (66% better than other 2004 cars)
      • 1.6% fail on Front lamps (70% better than other 2004 cars)
      • 0.64% fail on Rear lamps (60% better than other 2004 cars)
      • 0.088% fail on All position lamps
      • 0.035% fail on Switch (8 times worse than other 2004 cars)
    • 2.1% fail on Stop lamp (61% better than other 2004 cars)
    • 0.51% fail on Rear fog lamp (60% better than other 2004 cars)
      • 0.49% fail on Fog lamp (60% better than other 2004 cars)
      • 0.070% fail on Tell tale
      • 0.026% fail on Switch
    • 0.29% fail on Horn (53% better than other 2004 cars)
    • 0.17% fail on Battery (79% better than other 2004 cars)
    • 0.088% fail on Headlamp aim not tested
    • 0.044% fail on Hazard warning (79% better than other 2004 cars)
      • 0.044% fail on Lamp
    • 0.035% fail on Electrical wiring
    • 0.018% fail on Trailer electrical socket
    • 0.018% fail on Rear reflectors
  • 12% fail on Brakes (23% better than other 2004 cars)
    • 6.4% fail on Brake performance (16% better than other 2004 cars)
      • 3.4% fail on Parking brake performance (20% better than other 2004 cars)
      • 3.1% fail on Rear wheels (17% better than other 2004 cars)
      • 1.4% fail on Front wheels (29% better than other 2004 cars)
      • 0.47% fail on Brake imbalance
      • 0.25% fail on Service brake performance
      • 0.053% fail on Brake performance not tested
      • 0.018% fail on Brake operation
      • 0.0088% fail on Gradient hand brake
    • 3.0% fail on Hub components (14% better than other 2004 cars)
      • 2.6% fail on Brake pads
      • 0.52% fail on Brake discs (45% better than other 2004 cars)
      • 0.053% fail on Brake calipers (72% better than other 2004 cars)
      • 0.026% fail on Brake back plates
    • 2.8% fail on Hydraulic systems (46% better than other 2004 cars)
      • 2.4% fail on Components (49% better than other 2004 cars)
        • 2.1% fail on Pipes (43% better than other 2004 cars)
        • 0.34% fail on Hoses (68% better than other 2004 cars)
        • 0.018% fail on Servos
      • 0.30% fail on Brake fluid warning lamp (160% worse than other 2004 cars)
      • 0.079% fail on Operation
      • 0.053% fail on Leaks (83% better than other 2004 cars)
    • 1.1% fail on Parking brake
      • 1.1% fail on Condition
      • 0.018% fail on Electronic parking brake
    • 0.64% fail on Electronic stability system (200% worse than other 2004 cars)
    • 0.30% fail on ABS (70% better than other 2004 cars)
    • 0.18% fail on Restricted movement
    • 0.12% fail on Service brake control components
      • 0.12% fail on Pedal
        • 0.079% fail on Condition
        • 0.044% fail on Anti-slip (66% better than other 2004 cars)
    • 0.0088% fail on Full power hydraulic systems
      • 0.0088% fail on Warning
  • 8.4% fail on Tyres
    • 5.4% fail on Tread depth
    • 3.4% fail on Condition (12% better than other 2004 cars)
    • 0.17% fail on Size/type (49% better than other 2004 cars)
    • 0.035% fail on Valve stem
    • 0.018% fail on Tyre pressure monitoring system
  • 5.6% fail on Exhaust, Fuel and Emissions (15% better than other 2004 cars)
    • 3.0% fail on Exhaust system (21% better than other 2004 cars)
    • 2.2% fail on Emissions (20% better than other 2004 cars)
    • 0.59% fail on Fuel system
      • 0.27% fail on System
      • 0.25% fail on Cap
      • 0.061% fail on Pipe
      • 0.0088% fail on Tank
    • 0.28% fail on Emissions not tested (54% better than other 2004 cars)
  • 5.4% fail on Driver's view of the road (37% better than other 2004 cars)
    • 3.0% fail on Wipers (37% better than other 2004 cars)
    • 2.0% fail on Washers (44% better than other 2004 cars)
    • 0.43% fail on Windscreen
    • 0.32% fail on Mirrors
    • 0.070% fail on Bonnet (63% better than other 2004 cars)
  • 5.0% fail on Steering
    • 4.9% fail on Steering system (12% worse than other 2004 cars)
      • 4.0% fail on Track rod end (25% worse than other 2004 cars)
      • 0.51% fail on Steering rack (31% better than other 2004 cars)
      • 0.40% fail on Ball joint
      • 0.070% fail on Steering arm
      • 0.044% fail on Free play (69% better than other 2004 cars)
        • 0.044% fail on Steering rack (69% better than other 2004 cars)
      • 0.035% fail on Drag link end
      • 0.0088% fail on Intermediate drop arm
      • 0.0088% fail on Other components
        • 0.0088% fail on Steering pivot point
    • 0.079% fail on Power steering (80% better than other 2004 cars)
      • 0.035% fail on Operation (69% better than other 2004 cars)
      • 0.018% fail on Electronic power steering
      • 0.018% fail on Pipes and hoses (83% better than other 2004 cars)
      • 0.0088% fail on Pump
      • 0.0088% fail on Other components
    • 0.053% fail on Steering operation
    • 0.0088% fail on Steering control
      • 0.0088% fail on Steering column
  • 2.5% fail on Seat Belts and Supplementary Restraint Systems (16% better than other 2004 cars)
    • 2.1% fail on Supplementary restraint systems (33% worse than other 2004 cars)
      • 2.1% fail on SRS Malfunction Indicator Lamp (42% worse than other 2004 cars)
      • 0.018% fail on Drivers airbag (83% better than other 2004 cars)
    • 0.43% fail on Seat belts (70% better than other 2004 cars)
      • 0.27% fail on Condition (47% better than other 2004 cars)
      • 0.15% fail on Requirements (140% worse than other 2004 cars)
      • 0.0088% fail on Attachment
  • 0.82% fail on Registration plates and VIN
    • 0.82% fail on Registration plate
  • 0.76% fail on Road Wheels (67% worse than other 2004 cars)
    • 0.67% fail on Attachment (100% worse than other 2004 cars)
    • 0.079% fail on Condition
    • 0.018% fail on Halfshafts (20 times worse than other 2004 cars)
  • 0.32% fail on Body, Structure and General Items (82% better than other 2004 cars)
    • 0.18% fail on Body condition (72% better than other 2004 cars)
    • 0.053% fail on Engine mountings
    • 0.035% fail on Doors (93% better than other 2004 cars)
      • 0.018% fail on Passengers front (87% better than other 2004 cars)
      • 0.018% fail on Passengers other (93% better than other 2004 cars)
    • 0.026% fail on Seats (88% better than other 2004 cars)
      • 0.018% fail on Drivers (84% better than other 2004 cars)
      • 0.0088% fail on Passengers
    • 0.018% fail on Load security
      • 0.0088% fail on Access panel
      • 0.0088% fail on Bootlid

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