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Mercedes-Benz SEC MOT Results

65.4% pass rate
from 104 tests in 2017
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 pre-1990 cars and highlighted areas where the Mercedes-Benz SEC is unusually good or bad.

  • 18% fail on Lamps, Reflectors and Electrical Equipment
    • 6.7% fail on Headlamp aim
    • 5.8% fail on Registration plate lamp
    • 3.8% fail on Battery
    • 3.8% fail on Direction indicators
      • 3.8% fail on Flashing type
        • 2.9% fail on Side repeaters
        • 0.96% fail on Individual lamps
    • 2.9% fail on Rear fog lamp
      • 2.9% fail on Fog lamp
      • 0.96% fail on Tell tale
    • 1.9% fail on Horn
    • 0.96% fail on Electrical wiring
    • 0.96% fail on Headlamps
      • 0.96% fail on Headlamp defects which don't require an aim check on retest
        • 0.96% fail on Headlamp cleaning device
    • 0.96% fail on Hazard warning
      • 0.96% fail on Lamp
  • 17% fail on Brakes
    • 9.6% fail on Brake performance
      • 4.8% fail on Rear wheels
      • 3.8% fail on Parking brake performance
      • 2.9% fail on Brake imbalance
      • 2.9% fail on Front wheels
      • 0.96% fail on Brake performance not tested
    • 5.8% fail on Hydraulic systems
      • 5.8% fail on Components
        • 3.8% fail on Pipes
        • 2.9% fail on Hoses
    • 4.8% fail on Hub components (4 times worse than other pre-1990 cars)
      • 2.9% fail on Brake pads (6 times worse than other pre-1990 cars)
      • 1.9% fail on Brake calipers (12 times worse than other pre-1990 cars)
    • 3.8% fail on ABS (35 times worse than other pre-1990 cars)
    • 0.96% fail on Parking brake
      • 0.96% fail on Condition
    • 0.96% fail on Restricted movement
  • 11% fail on Suspension
    • 4.8% fail on Prescribed areas
      • 3.8% fail on Subframe mounting (5 times worse than other pre-1990 cars)
      • 1.9% fail on Component mounting
    • 2.9% fail on Front suspension joints
    • 1.9% fail on Suspension arms
      • 1.9% fail on Pins/bushes/ball joints
    • 1.9% fail on Shock absorbers
      • 1.9% fail on Condition
    • 0.96% fail on Anti-roll bars
      • 0.96% fail on Linkage pins/bushes/ball joints
  • 11% fail on Exhaust, Fuel and Emissions
    • 3.8% fail on Exhaust system
    • 3.8% fail on Emissions
    • 2.9% fail on Fuel system
      • 0.96% fail on Hose
      • 0.96% fail on Pipe
      • 0.96% fail on Cap
  • 7.7% fail on Driver's view of the road
    • 5.8% fail on Wipers
    • 3.8% fail on Washers
  • 6.7% fail on Body, Structure and General Items
    • 4.8% fail on Seats (6 times worse than other pre-1990 cars)
      • 4.8% fail on Passengers (16 times worse than other pre-1990 cars)
      • 2.9% fail on Drivers (4 times worse than other pre-1990 cars)
    • 0.96% fail on Body condition
    • 0.96% fail on Load security
      • 0.96% fail on Access panel
  • 4.8% fail on Steering
    • 4.8% fail on Steering system
      • 1.9% fail on Steering box (9 times worse than other pre-1990 cars)
      • 1.9% fail on Track rod end
      • 0.96% fail on Drag link end
  • 2.9% fail on Tyres
    • 1.9% fail on Tread depth
    • 0.96% fail on Condition
  • 2.9% fail on Registration plates and VIN
    • 2.9% fail on Registration plate
  • 1.9% fail on Seat Belts and Supplementary Restraint Systems
    • 1.9% fail on Seat belts
      • 1.9% fail on Prescribed areas
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