Mercedes-Benz C-Class MOT Results

Registered in 2001
57.8% pass rate
from 4,383 tests in 2020
(11% better than other 2001 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 2001 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 21% fail on Suspension (18% worse than other 2001 cars)
    • 11% fail on Suspension arms (86% worse than other 2001 cars)
      • 7.1% fail on Ball joint (160% worse than other 2001 cars)
      • 2.6% fail on Pins and bushes
      • 2.6% fail on Ball joint dust cover (200% worse than other 2001 cars)
      • 0.25% fail on Suspension arm
    • 7.8% fail on Anti-roll bars (50% worse than other 2001 cars)
      • 2.1% fail on Linkage ball joint dust cover (78% worse than other 2001 cars)
      • 1.6% fail on Linkage ball joints
      • 1.6% fail on Ball joint dust cover (170% worse than other 2001 cars)
      • 1.3% fail on Pins and bushes (170% worse than other 2001 cars)
      • 0.68% fail on Linkage pins and bushes
      • 0.57% fail on Ball joint
      • 0.41% fail on Linkage
      • 0.30% fail on Anti-roll bar (2 times worse than other 2001 cars)
      • 0.16% fail on Attachment bracket and mounting
      • 0.046% fail on Linkage attachment bracket and mounting
    • 6.5% fail on Springs (110% worse than other 2001 cars)
      • 6.5% fail on Coil springs (120% worse than other 2001 cars)
        • 6.5% fail on Coil spring (120% worse than other 2001 cars)
    • 0.91% fail on Wheel bearings (37% better than other 2001 cars)
    • 0.50% fail on Shock absorbers (64% better than other 2001 cars)
    • 0.41% fail on Other suspension component
      • 0.27% fail on Ball joint
      • 0.091% fail on Pins and bushes
      • 0.046% fail on Ball joint dust cover
    • 0.16% fail on Sub-frames (76% better than other 2001 cars)
      • 0.068% fail on Pins and bushes
      • 0.068% fail on Sub-frame mounting prescribed areas (80% better than other 2001 cars)
      • 0.023% fail on Sub-frame
    • 0.16% fail on Component mounting prescribed areas (96% better than other 2001 cars)
    • 0.14% fail on Macpherson strut (62% better than other 2001 cars)
      • 0.068% fail on Macpherson strut
      • 0.046% fail on Pins and bushes
      • 0.023% fail on Ball joint
    • 0.14% fail on Suspension rods
      • 0.068% fail on Ball joint dust cover
      • 0.046% fail on Ball joint
      • 0.023% fail on Suspension rod
    • 0.023% fail on Axles
      • 0.023% fail on Swivel pins and bushes
  • 16% fail on Lamps, reflectors and electrical equipment (17% better than other 2001 cars)
    • 5.8% fail on Direction indicators (130% worse than other 2001 cars)
      • 5.8% fail on Flashing type (130% worse than other 2001 cars)
        • 3.6% fail on Individual direction indicators (120% worse than other 2001 cars)
        • 1.9% fail on Side repeaters (140% worse than other 2001 cars)
        • 0.50% fail on All direction indicators (2 times worse than other 2001 cars)
        • 0.023% fail on Switch
    • 4.2% fail on Stop lamp (24% better than other 2001 cars)
    • 3.5% fail on Headlamp aim (22% better than other 2001 cars)
      • 3.3% fail on Headlamp aim (21% better than other 2001 cars)
      • 0.23% fail on Headlamp aim not tested
    • 3.3% fail on Headlamps (31% better than other 2001 cars)
      • 3.1% fail on Headlamp (30% better than other 2001 cars)
      • 0.23% fail on Headlamp levelling device
      • 0.023% fail on Matched pair
    • 1.3% fail on Registration plate lamp(s) (49% better than other 2001 cars)
    • 1.2% fail on Position lamps (62% better than other 2001 cars)
      • 1.1% fail on Position lamp (64% better than other 2001 cars)
      • 0.068% fail on All position lamps
    • 0.94% fail on Electrical equipment
      • 0.80% fail on Horn
      • 0.091% fail on Battery(ies) (80% better than other 2001 cars)
      • 0.046% fail on Electrical wiring
      • 0.023% fail on Trailer electrical socket
    • 0.48% fail on Front and rear fog lamps (67% better than other 2001 cars)
      • 0.48% fail on Rear fog lamp (67% better than other 2001 cars)
        • 0.48% fail on Rear fog lamp (66% better than other 2001 cars)
        • 0.023% fail on Switch
    • 0.046% fail on Hazard warning
      • 0.046% fail on Switch
    • 0.046% fail on Mandatory tell-tales
      • 0.023% fail on Main beam tell-tale
      • 0.023% fail on Rear fog lamp tell-tale
  • 12% fail on Brakes (23% better than other 2001 cars)
    • 5.7% fail on Brake performance (32% better than other 2001 cars)
      • 3.7% fail on Parking brake efficiency (sp)
        • 3.7% fail on Rbt (sp)
        • 0.023% fail on Decelerometer (sp)
        • 0.023% fail on Plate brake tester (sp)
      • 1.9% fail on Service brake performance (43% better than other 2001 cars)
        • 1.8% fail on Rbt (43% better than other 2001 cars)
          • 1.6% fail on Service brake performance (41% better than other 2001 cars)
          • 0.39% fail on Service brake imbalance (50% better than other 2001 cars)
        • 0.068% fail on Plate brake tester
          • 0.068% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.6% fail on Parking brake performance
        • 1.5% fail on Rbt
          • 1.3% fail on Parking brake performance
          • 0.23% fail on Parking (secondary brake performance)
          • 0.023% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.068% fail on Plate brake tester
          • 0.046% fail on Parking (secondary brake performance)
          • 0.023% fail on Parking brake performance
      • 0.52% fail on Service Brake Efficiency (sp) (78% better than other 2001 cars)
        • 0.50% fail on Rbt (sp) (79% better than other 2001 cars)
          • 0.39% fail on Service brake performance (60% better than other 2001 cars)
          • 0.16% fail on Service brake imbalance (90% better than other 2001 cars)
        • 0.023% fail on Plate brake tester (sp)
          • 0.023% fail on Service brake imbalance
      • 0.16% fail on Brake performance not tested
    • 3.1% fail on Rigid brake pipes
    • 2.6% fail on ABS / EBS / ESC (53% worse than other 2001 cars)
      • 1.6% fail on Electronic stability control (2 times worse than other 2001 cars)
      • 1.1% fail on Anti-lock braking system
      • 0.023% fail on Electronic braking system
    • 2.4% fail on Mechanical brake components (25% better than other 2001 cars)
      • 2.1% fail on Brake linings and pads
        • 2.1% fail on Brake pads
        • 0.023% fail on Brake linings
      • 0.55% fail on Brake discs and drums (53% better than other 2001 cars)
        • 0.52% fail on Brake discs (54% better than other 2001 cars)
        • 0.046% fail on Brake drums
      • 0.046% fail on Brake cables, rods, levers and linkages (84% better than other 2001 cars)
        • 0.046% fail on Cable (78% better than other 2001 cars)
    • 0.50% fail on Parking brake control
      • 0.48% fail on Lever
      • 0.023% fail on Electronic parking brake
    • 0.43% fail on Service brake pedal or hand lever
      • 0.25% fail on Hand lever
      • 0.18% fail on Pedal
    • 0.23% fail on Flexible brake hoses
    • 0.11% fail on Hydraulic systems
      • 0.11% fail on Brake fluid
    • 0.11% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.11% fail on Hydraulic brake callipers
    • 0.068% fail on Other components and prescribed areas
      • 0.023% fail on Other components
      • 0.023% fail on Prescribed areas
        • 0.023% fail on Park brake mechanism/associated mountings
      • 0.023% fail on Additional braking device
    • 0.046% fail on Air and vacuum systems
      • 0.023% fail on Operation
      • 0.023% fail on Servos
    • 0.023% fail on Pressure storage reservoirs
      • 0.023% fail on Air and vacuum systems
  • 7.6% fail on Visibility
    • 4.4% fail on Wipers
    • 2.8% fail on Washers (25% better than other 2001 cars)
    • 0.80% fail on View to rear (110% worse than other 2001 cars)
      • 0.78% fail on Mirrors (110% worse than other 2001 cars)
      • 0.023% fail on Indirect vision devices
    • 0.16% fail on Driver's view
    • 0.11% fail on Condition of glass
      • 0.091% fail on Windscreen
      • 0.023% fail on Window
    • 0.046% fail on Bonnet
  • 7.1% fail on Noise, emissions and leaks (17% better than other 2001 cars)
    • 6.9% fail on Exhaust emissions (14% better than other 2001 cars)
      • 5.0% fail on Spark ignition (30% better than other 2001 cars)
        • 4.0% fail on Malfunction indicator lamp (23% worse than other 2001 cars)
        • 1.2% fail on Catalyst emissions (68% better than other 2001 cars)
        • 0.30% fail on Emissions not tested (72% better than other 2001 cars)
        • 0.068% fail on Non catalyst emissions
      • 2.0% fail on Compression ignition (110% worse than other 2001 cars)
        • 1.5% fail on Pre 01/07/2008 Turbo (2 times worse than other 2001 cars)
        • 0.21% fail on Malfunction indicator lamp
        • 0.16% fail on Emissions not tested
        • 0.091% fail on Pre 01/07/2008 Non turbo
        • 0.023% fail on Pre 01/01/1980 visual
        • 0.023% fail on On or after 01/07/2008
    • 0.30% fail on Fluid leaks (61% better than other 2001 cars)
      • 0.11% fail on Transmission oil leaks
      • 0.091% fail on Engine oil leaks (85% better than other 2001 cars)
      • 0.091% fail on Other leaks
      • 0.023% fail on Hydraulic fluid leaks
    • 0.023% fail on Noise suppression
      • 0.023% fail on Undertray
  • 6.6% fail on Tyres
    • 4.2% fail on Tread depth
    • 2.6% fail on Condition
    • 0.23% fail on Size/type
  • 4.0% fail on Body, chassis, structure (63% better than other 2001 cars)
    • 2.2% fail on Exhaust system (43% better than other 2001 cars)
    • 0.73% fail on Fuel system
      • 0.50% fail on Fuel cap/sealing device (100% worse than other 2001 cars)
      • 0.091% fail on System
      • 0.068% fail on Hose
      • 0.068% fail on Pipe
      • 0.023% fail on Tank
    • 0.32% fail on Body
      • 0.27% fail on Other body component
      • 0.046% fail on Panel
    • 0.32% fail on Seats
      • 0.32% fail on Driver's seat
    • 0.23% fail on Transmission (94% better than other 2001 cars)
      • 0.16% fail on Prop shafts
        • 0.11% fail on Prop shaft (3 times worse than other 2001 cars)
        • 0.023% fail on Joints
        • 0.023% fail on Flexible couplings
      • 0.068% fail on Drive shafts (98% better than other 2001 cars)
        • 0.068% fail on Joints (98% better than other 2001 cars)
    • 0.14% fail on Doors (70% better than other 2001 cars)
      • 0.068% fail on Driver's door
        • 0.068% fail on Door condition
      • 0.046% fail on Front passenger's door
        • 0.046% fail on Door condition
        • 0.023% fail on Catch
      • 0.023% fail on Other passenger's door
        • 0.023% fail on Door condition
    • 0.091% fail on Bumpers
    • 0.091% fail on Undertray
    • 0.068% fail on Integral vehicle structure (93% better than other 2001 cars)
      • 0.068% fail on Integral vehicle structure condition (93% better than other 2001 cars)
    • 0.046% fail on Floor
    • 0.023% fail on Chassis
      • 0.023% fail on Chassis condition
    • 0.023% fail on Boot lid
      • 0.023% fail on Boot lid condition
  • 3.0% fail on Seat belts and supplementary restraint systems (25% better than other 2001 cars)
    • 2.3% fail on SRS malfunction indicator lamp (57% worse than other 2001 cars)
    • 0.82% fail on Seat belts (67% better than other 2001 cars)
      • 0.52% fail on Condition
      • 0.14% fail on Prescribed areas (93% better than other 2001 cars)
      • 0.14% fail on Requirements
      • 0.023% fail on Attachment
    • 0.023% fail on Airbags
      • 0.023% fail on Drivers airbag
  • 2.7% fail on Steering (36% better than other 2001 cars)
    • 1.9% fail on Steering linkage components (34% better than other 2001 cars)
      • 1.5% fail on Track rod end (42% better than other 2001 cars)
      • 0.30% fail on Ball joint
      • 0.11% fail on Steering arm (5 times worse than other 2001 cars)
      • 0.068% fail on Drag link end
    • 0.39% fail on Steering gear (57% better than other 2001 cars)
      • 0.39% fail on Steering rack (54% better than other 2001 cars)
    • 0.37% fail on Steering play (160% worse than other 2001 cars)
      • 0.37% fail on Steering rack (190% worse than other 2001 cars)
    • 0.091% fail on Power steering (77% better than other 2001 cars)
      • 0.091% fail on Operation
    • 0.023% fail on Steering wheel
    • 0.023% fail on Electronic power steering
  • 0.94% fail on Road Wheels (130% worse than other 2001 cars)
    • 0.87% fail on Attachment (190% worse than other 2001 cars)
    • 0.091% fail on Condition
  • 0.80% fail on Identification of the vehicle
    • 0.80% fail on Registration plates
  • 0.023% fail on Seat belt installation check
    • 0.023% fail on Anchorages

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