Mercedes-Benz C-Class MOT Results

Registered in 1994
66.8% pass rate
from 367 tests in 2020
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 1994 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 15% fail on Lamps, reflectors and electrical equipment
    • 4.6% fail on Headlamps
      • 4.1% fail on Headlamp
      • 0.54% fail on Headlamp levelling device
      • 0.27% fail on Dipswitch
    • 4.1% fail on Headlamp aim
      • 3.3% fail on Headlamp aim
      • 0.82% fail on Headlamp aim not tested (3 times worse than other 1994 cars)
    • 3.8% fail on Stop lamp
    • 3.8% fail on Direction indicators
      • 3.8% fail on Flashing type
        • 1.6% fail on All direction indicators (6 times worse than other 1994 cars)
        • 1.6% fail on Side repeaters
        • 1.4% fail on Individual direction indicators
    • 2.5% fail on Position lamps
      • 2.5% fail on Position lamp
    • 1.6% fail on Front and rear fog lamps
      • 1.6% fail on Rear fog lamp
        • 1.6% fail on Rear fog lamp
    • 0.54% fail on Hazard warning
      • 0.54% fail on Switch
    • 0.27% fail on Registration plate lamp(s)
  • 10% fail on Suspension
    • 4.6% fail on Component mounting prescribed areas
    • 3.3% fail on Suspension arms
      • 2.2% fail on Pins and bushes
      • 1.1% fail on Ball joint
      • 0.27% fail on Ball joint dust cover
    • 1.6% fail on Springs
      • 1.6% fail on Coil springs
        • 1.6% fail on Coil spring
    • 0.82% fail on Wheel bearings
    • 0.82% fail on Shock absorbers
    • 0.27% fail on Anti-roll bars
      • 0.27% fail on Attachment bracket and mounting
    • 0.27% fail on Sub-frames
      • 0.27% fail on Pins and bushes
      • 0.27% fail on Sub-frame mounting prescribed areas
  • 9.3% fail on Brakes
    • 4.6% fail on Rigid brake pipes
    • 4.4% fail on Brake performance
      • 1.9% fail on Service Brake Efficiency (sp)
        • 1.9% fail on Rbt (sp)
          • 1.4% fail on Service brake performance
          • 0.54% fail on Service brake imbalance
      • 1.6% fail on Parking brake efficiency (sp)
        • 1.6% fail on Rbt (sp)
      • 1.1% fail on Service brake performance
        • 1.1% fail on Rbt
          • 1.1% fail on Service brake performance
          • 0.54% fail on Service brake imbalance
      • 1.1% fail on Parking brake performance
        • 1.1% fail on Rbt
          • 1.1% fail on Parking brake performance
      • 0.27% fail on Brake performance not tested
    • 1.6% fail on Mechanical brake components
      • 1.6% fail on Brake linings and pads
        • 1.6% fail on Brake pads
    • 1.1% fail on ABS / EBS / ESC
      • 1.1% fail on Anti-lock braking system
    • 0.27% fail on Hydraulic systems
      • 0.27% fail on Brake fluid
    • 0.27% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.27% fail on Hydraulic brake callipers
  • 7.1% fail on Noise, emissions and leaks
    • 5.4% fail on Exhaust emissions
      • 5.4% fail on Spark ignition
        • 4.4% fail on Catalyst emissions
        • 1.1% fail on Emissions not tested
    • 1.9% fail on Fluid leaks
      • 1.6% fail on Engine oil leaks
      • 0.27% fail on Other leaks
  • 6.0% fail on Body, chassis, structure (46% better than other 1994 cars)
    • 1.9% fail on Exhaust system
    • 1.1% fail on Integral vehicle structure
      • 1.1% fail on Integral vehicle structure condition
    • 0.82% fail on Transmission
      • 0.82% fail on Prop shafts
        • 0.27% fail on Prop shaft
        • 0.27% fail on Joints
        • 0.27% fail on Flexible couplings
    • 0.82% fail on Body
      • 0.54% fail on Other body component
      • 0.27% fail on Panel
    • 0.54% fail on Chassis
      • 0.54% fail on Chassis condition
    • 0.54% fail on Fuel system
      • 0.27% fail on Pipe
      • 0.27% fail on System
    • 0.54% fail on Bumpers
    • 0.27% fail on Engine mounting
      • 0.27% fail on Engine mounting condition
  • 5.2% fail on Tyres
    • 3.0% fail on Tread depth
    • 2.2% fail on Condition
    • 0.27% fail on Size/type
  • 4.9% fail on Visibility
    • 2.7% fail on Wipers
    • 1.6% fail on Washers
    • 0.54% fail on View to rear
      • 0.54% fail on Mirrors
    • 0.27% fail on Driver's view
    • 0.27% fail on Bonnet
  • 2.7% fail on Seat belts and supplementary restraint systems
    • 1.9% fail on Seat belts
      • 1.6% fail on Prescribed areas
      • 0.27% fail on Condition
    • 0.82% fail on SRS malfunction indicator lamp
  • 1.4% fail on Steering (70% better than other 1994 cars)
    • 1.4% fail on Steering linkage components
      • 1.1% fail on Track rod end
      • 0.27% fail on Drag link end
      • 0.27% fail on Intermediate drop arm
    • 0.27% fail on Steering wheel
  • 0.27% fail on Identification of the vehicle
    • 0.27% fail on Registration plates
  • 0.27% fail on Speedometer and speed limiter
    • 0.27% fail on Speedometer
  • 0.27% fail on Road Wheels
    • 0.27% fail on Attachment

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