Mercedes-Benz C-Class MOT Results

Registered in 2007
62.2% pass rate
from 10,331 tests in 2020
(10% better than other 2007 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 2007 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 18% fail on Suspension (21% worse than other 2007 cars)
    • 9.1% fail on Suspension arms (93% worse than other 2007 cars)
      • 7.1% fail on Ball joint (2 times worse than other 2007 cars)
      • 1.6% fail on Pins and bushes (30% better than other 2007 cars)
      • 0.97% fail on Ball joint dust cover (72% worse than other 2007 cars)
      • 0.15% fail on Suspension arm
      • 0.068% fail on Attachment bracket and mounting
    • 6.4% fail on Anti-roll bars (37% worse than other 2007 cars)
      • 3.0% fail on Linkage ball joint dust cover (87% worse than other 2007 cars)
      • 1.3% fail on Ball joint dust cover (72% worse than other 2007 cars)
      • 0.77% fail on Linkage ball joints (45% better than other 2007 cars)
      • 0.76% fail on Pins and bushes (3 times worse than other 2007 cars)
      • 0.74% fail on Linkage pins and bushes (3 times worse than other 2007 cars)
      • 0.24% fail on Ball joint (43% better than other 2007 cars)
      • 0.13% fail on Linkage
      • 0.029% fail on Anti-roll bar
      • 0.029% fail on Attachment bracket and mounting
      • 0.019% fail on Linkage attachment bracket and mounting
    • 5.7% fail on Springs (21% worse than other 2007 cars)
      • 5.7% fail on Coil springs (21% worse than other 2007 cars)
        • 5.7% fail on Coil spring (22% worse than other 2007 cars)
    • 0.66% fail on Wheel bearings (30% better than other 2007 cars)
    • 0.40% fail on Sub-frames
      • 0.24% fail on Sub-frame
      • 0.11% fail on Sub-frame mounting prescribed areas
      • 0.029% fail on Attachment bracket and mounting
      • 0.019% fail on Pins and bushes (79% better than other 2007 cars)
    • 0.36% fail on Other suspension component
      • 0.27% fail on Ball joint
      • 0.039% fail on Ball joint dust cover
      • 0.029% fail on Attachment bracket and mounting
      • 0.019% fail on Pins and bushes
    • 0.18% fail on Shock absorbers (90% better than other 2007 cars)
    • 0.14% fail on Suspension rods
      • 0.058% fail on Ball joint dust cover
      • 0.048% fail on Ball joint
      • 0.019% fail on Pins and bushes
      • 0.0097% fail on Suspension rod
    • 0.029% fail on Macpherson strut (85% better than other 2007 cars)
      • 0.029% fail on Macpherson strut
  • 11% fail on Lamps, reflectors and electrical equipment (37% better than other 2007 cars)
    • 3.3% fail on Headlamp aim (15% better than other 2007 cars)
      • 3.1% fail on Headlamp aim
      • 0.15% fail on Headlamp aim not tested (53% better than other 2007 cars)
    • 2.7% fail on Headlamps (32% better than other 2007 cars)
      • 2.6% fail on Headlamp (30% better than other 2007 cars)
      • 0.039% fail on Headlamp levelling device (76% better than other 2007 cars)
    • 2.6% fail on Direction indicators
      • 2.6% fail on Flashing type
        • 1.8% fail on Side repeaters (2 times worse than other 2007 cars)
        • 0.78% fail on Individual direction indicators (54% better than other 2007 cars)
        • 0.11% fail on All direction indicators
    • 1.9% fail on Stop lamp (57% better than other 2007 cars)
    • 1.3% fail on Position lamps (57% better than other 2007 cars)
      • 1.3% fail on Position lamp (58% better than other 2007 cars)
      • 0.019% fail on All position lamps
      • 0.019% fail on Switch
    • 0.64% fail on Registration plate lamp(s) (75% better than other 2007 cars)
    • 0.31% fail on Front and rear fog lamps (49% better than other 2007 cars)
      • 0.31% fail on Rear fog lamp (49% better than other 2007 cars)
        • 0.26% fail on Rear fog lamp (56% better than other 2007 cars)
        • 0.058% fail on Switch
    • 0.15% fail on Electrical equipment (77% better than other 2007 cars)
      • 0.15% fail on Horn (63% better than other 2007 cars)
      • 0.0097% fail on Trailer electrical socket
    • 0.019% fail on Outline marker lamps
      • 0.019% fail on Outline marker lamp
    • 0.019% fail on Hazard warning
      • 0.019% fail on Switch
    • 0.0097% fail on Daytime running lamps
    • 0.0097% fail on Reversing lamps
      • 0.0097% fail on Reversing lamps
    • 0.0097% fail on Rear reflectors
    • 0.0097% fail on Mandatory tell-tales
      • 0.0097% fail on Main beam tell-tale
  • 10.0% fail on Brakes
    • 4.5% fail on Brake performance (13% better than other 2007 cars)
      • 2.5% fail on Parking brake efficiency (sp)
        • 2.4% fail on Rbt (sp)
        • 0.019% fail on Plate brake tester (sp)
        • 0.0097% fail on Decelerometer (sp)
      • 1.7% fail on Service brake performance (30% better than other 2007 cars)
        • 1.6% fail on Rbt (30% better than other 2007 cars)
          • 1.4% fail on Service brake performance (31% better than other 2007 cars)
          • 0.33% fail on Service brake imbalance (35% better than other 2007 cars)
        • 0.039% fail on Plate brake tester
          • 0.029% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
          • 0.0097% fail on Service brake performance
      • 0.64% fail on Parking brake performance (45% better than other 2007 cars)
        • 0.60% fail on Rbt (46% better than other 2007 cars)
          • 0.45% fail on Parking brake performance (54% better than other 2007 cars)
          • 0.15% fail on Parking (secondary brake performance)
          • 0.0097% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.029% fail on Plate brake tester
          • 0.029% fail on Parking (secondary brake performance)
        • 0.0097% fail on Decelerometer
          • 0.0097% fail on Parking (secondary brake performance)
      • 0.52% fail on Service Brake Efficiency (sp)
        • 0.52% fail on Rbt (sp)
          • 0.28% fail on Service brake imbalance (42% better than other 2007 cars)
          • 0.27% fail on Service brake performance (75% worse than other 2007 cars)
      • 0.18% fail on Brake performance not tested
    • 3.4% fail on Rigid brake pipes (120% worse than other 2007 cars)
    • 2.9% fail on Mechanical brake components (21% better than other 2007 cars)
      • 2.4% fail on Brake linings and pads
        • 2.4% fail on Brake pads
        • 0.019% fail on Brake linings
      • 0.62% fail on Brake discs and drums (52% better than other 2007 cars)
        • 0.62% fail on Brake discs (52% better than other 2007 cars)
      • 0.097% fail on Brake cables, rods, levers and linkages
        • 0.068% fail on Cable
        • 0.019% fail on Lever
        • 0.0097% fail on Linkage
    • 0.73% fail on ABS / EBS / ESC
      • 0.51% fail on Anti-lock braking system (32% better than other 2007 cars)
      • 0.25% fail on Electronic stability control
      • 0.0097% fail on Electronic braking system
    • 0.36% fail on Parking brake control
      • 0.36% fail on Lever
    • 0.16% fail on Service brake pedal or hand lever (57% better than other 2007 cars)
      • 0.11% fail on Pedal
      • 0.058% fail on Hand lever (74% better than other 2007 cars)
    • 0.11% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.097% fail on Hydraulic brake callipers
      • 0.0097% fail on Hydraulic brake cylinder
    • 0.087% fail on Flexible brake hoses
    • 0.058% fail on Hydraulic systems (68% better than other 2007 cars)
      • 0.058% fail on Brake fluid
    • 0.048% fail on Other components and prescribed areas
      • 0.048% fail on Other components
    • 0.019% fail on Air and vacuum systems
      • 0.0097% fail on Pressure/vacuum build up
      • 0.0097% fail on Servos
  • 7.3% fail on Tyres
    • 4.5% fail on Tread depth
    • 3.0% fail on Condition
    • 0.26% fail on Size/type
  • 4.5% fail on Visibility (29% better than other 2007 cars)
    • 2.2% fail on Wipers (26% better than other 2007 cars)
    • 2.0% fail on Washers (34% better than other 2007 cars)
    • 0.24% fail on View to rear
      • 0.24% fail on Mirrors
    • 0.15% fail on Driver's view
    • 0.068% fail on Condition of glass
      • 0.068% fail on Windscreen
    • 0.029% fail on Bonnet (83% better than other 2007 cars)
  • 3.1% fail on Steering
    • 3.0% fail on Steering linkage components (35% worse than other 2007 cars)
      • 2.9% fail on Track rod end (44% worse than other 2007 cars)
      • 0.087% fail on Ball joint
      • 0.019% fail on Drag link end
      • 0.0097% fail on Other components
        • 0.0097% fail on Steering component
      • 0.0097% fail on Locking devices
    • 0.058% fail on Steering gear (85% better than other 2007 cars)
      • 0.058% fail on Steering rack (84% better than other 2007 cars)
    • 0.058% fail on Power steering (68% better than other 2007 cars)
      • 0.039% fail on Operation
      • 0.019% fail on Other components
    • 0.019% fail on Steering play (82% better than other 2007 cars)
      • 0.019% fail on Steering rack (82% better than other 2007 cars)
    • 0.0097% fail on Steering column
    • 0.0097% fail on Electronic power steering
  • 3.0% fail on Noise, emissions and leaks (44% better than other 2007 cars)
    • 2.9% fail on Exhaust emissions (43% better than other 2007 cars)
      • 1.6% fail on Spark ignition (57% better than other 2007 cars)
        • 1.3% fail on Malfunction indicator lamp (26% better than other 2007 cars)
        • 0.25% fail on Catalyst emissions (86% better than other 2007 cars)
        • 0.068% fail on Emissions not tested (85% better than other 2007 cars)
        • 0.0097% fail on Non catalyst emissions
      • 1.4% fail on Compression ignition
        • 0.98% fail on Pre 01/07/2008 Turbo
        • 0.33% fail on Malfunction indicator lamp
        • 0.039% fail on On or after 01/07/2008
        • 0.019% fail on Emissions not tested (87% better than other 2007 cars)
        • 0.0097% fail on Emission control equipment
          • 0.0097% fail on Other emission control equipment
        • 0.0097% fail on Pre 01/07/2008 Non turbo
        • 0.0097% fail on On or after 01/01/2014
    • 0.087% fail on Fluid leaks (79% better than other 2007 cars)
      • 0.039% fail on Engine oil leaks (89% better than other 2007 cars)
      • 0.029% fail on Transmission oil leaks
      • 0.0097% fail on Hydraulic fluid leaks
      • 0.0097% fail on Other leaks
    • 0.029% fail on Noise suppression
      • 0.019% fail on Undertray
      • 0.0097% fail on Sound deadening material
  • 2.0% fail on Body, chassis, structure (69% better than other 2007 cars)
    • 1.3% fail on Exhaust system (45% better than other 2007 cars)
    • 0.23% fail on Fuel system
      • 0.16% fail on Fuel cap/sealing device
      • 0.048% fail on System
      • 0.0097% fail on Tank
      • 0.0097% fail on Hose
    • 0.14% fail on Doors (64% better than other 2007 cars)
      • 0.14% fail on Other passenger's door
        • 0.14% fail on Door condition
      • 0.0097% fail on Front passenger's door
        • 0.0097% fail on Door condition
    • 0.087% fail on Body
      • 0.048% fail on Other body component
      • 0.039% fail on Panel
    • 0.077% fail on Bumpers
    • 0.048% fail on Integral vehicle structure (68% better than other 2007 cars)
      • 0.048% fail on Sub-frame
        • 0.048% fail on Sub-frame condition
    • 0.048% fail on Transmission (98% better than other 2007 cars)
      • 0.039% fail on Drive shafts (99% better than other 2007 cars)
        • 0.039% fail on Joints (99% better than other 2007 cars)
      • 0.0097% fail on Prop shafts
        • 0.0097% fail on Flexible couplings
    • 0.019% fail on Chassis (80% better than other 2007 cars)
      • 0.019% fail on Chassis condition (80% better than other 2007 cars)
    • 0.019% fail on Undertray
    • 0.0097% fail on Engine mounting
      • 0.0097% fail on Engine mounting condition
    • 0.0097% fail on Floor
    • 0.0097% fail on Seats
      • 0.0097% fail on Passenger's seat
    • 0.0097% fail on Boot lid
      • 0.0097% fail on Boot lid condition
  • 1.9% fail on Seat belts and supplementary restraint systems (22% worse than other 2007 cars)
    • 1.6% fail on SRS malfunction indicator lamp (88% worse than other 2007 cars)
    • 0.37% fail on Seat belts (49% better than other 2007 cars)
      • 0.35% fail on Condition
      • 0.029% fail on Requirements
      • 0.0097% fail on Attachment
    • 0.029% fail on Airbags
      • 0.029% fail on Drivers airbag
  • 0.57% fail on Road Wheels
    • 0.49% fail on Attachment
    • 0.077% fail on Condition
  • 0.43% fail on Identification of the vehicle
    • 0.43% fail on Registration plates
  • 0.0097% fail on Speedometer and speed limiter
    • 0.0097% fail on Speedometer
  • 0.0097% fail on Buses and coaches supplementary tests
    • 0.0097% fail on Doors
      • 0.0097% fail on Passenger entrance/exit doors
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