Mercedes-Benz S-Class MOT Results

Registered in 1988
72.9% pass rate
from 498 tests in 2017
(23% better than other 1988 cars)
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 1988 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 13% fail on Lamps, Reflectors and Electrical Equipment (33% better than other 1988 cars)
    • 3.8% fail on Headlamp aim
    • 3.0% fail on Rear fog lamp
      • 3.0% fail on Fog lamp
      • 0.80% fail on Tell tale
      • 0.60% fail on Switch
    • 2.4% fail on Position lamps
      • 1.6% fail on Front lamps
      • 0.80% fail on Rear lamps
    • 2.2% fail on Stop lamp
    • 2.0% fail on Registration plate lamp
    • 1.6% fail on Direction indicators (61% better than other 1988 cars)
      • 1.6% fail on Flashing type (61% better than other 1988 cars)
        • 0.80% fail on All direction indicators
        • 0.40% fail on Individual lamps
        • 0.40% fail on Side repeaters
    • 1.4% fail on Hazard warning
      • 1.2% fail on Lamp
      • 0.20% fail on Switch
    • 1.2% fail on Battery
    • 1.2% fail on Headlamps (65% better than other 1988 cars)
      • 1.2% fail on Headlamp
    • 0.40% fail on Horn (78% better than other 1988 cars)
    • 0.20% fail on Headlamp aim not tested
  • 13% fail on Brakes
    • 8.0% fail on Brake performance
      • 4.2% fail on Rear wheels
      • 2.8% fail on Front wheels
      • 2.0% fail on Parking brake performance
      • 1.4% fail on Service brake performance
      • 0.60% fail on Brake performance not tested
    • 4.6% fail on Hydraulic systems
      • 4.4% fail on Components
        • 2.6% fail on Pipes
        • 2.0% fail on Hoses
        • 0.20% fail on Reservoirs
        • 0.20% fail on Servos
        • 0.20% fail on Valves
      • 0.20% fail on Leaks
    • 2.2% fail on ABS (9 times worse than other 1988 cars)
    • 0.80% fail on Hub components
      • 0.40% fail on Brake discs
      • 0.20% fail on Brake pads
      • 0.20% fail on Brake drums
      • 0.20% fail on Brake calipers
    • 0.40% fail on Parking brake
      • 0.40% fail on Condition
    • 0.20% fail on Service brake control components
      • 0.20% fail on Pedal
        • 0.20% fail on Anti-slip
    • 0.20% fail on Mechanical components
      • 0.20% fail on Cable
    • 0.20% fail on Locking devices
    • 0.20% fail on Restricted movement
  • 8.4% fail on Driver's view of the road
    • 4.2% fail on Wipers
    • 4.2% fail on Washers
    • 0.60% fail on Windscreen
    • 0.20% fail on Mirrors
  • 7.8% fail on Exhaust, Fuel and Emissions
    • 3.4% fail on Emissions
    • 2.6% fail on Exhaust system
    • 2.4% fail on Fuel system
      • 1.4% fail on System
      • 0.60% fail on Pipe
      • 0.20% fail on Tank
      • 0.20% fail on Hose
      • 0.20% fail on Cap
    • 0.40% fail on Emissions not tested
  • 7.6% fail on Suspension (42% better than other 1988 cars)
    • 3.6% fail on Prescribed areas
      • 3.2% fail on Component mounting
      • 0.60% fail on Subframe mounting
      • 0.20% fail on Spring mounting
    • 1.6% fail on Front suspension joints
    • 0.80% fail on Wheel bearings
      • 0.60% fail on Front
      • 0.20% fail on Rear
    • 0.60% fail on Coil springs
      • 0.60% fail on Condition
    • 0.60% fail on Suspension arms
      • 0.60% fail on Pins/bushes/ball joints
    • 0.40% fail on Shock absorbers
      • 0.40% fail on Condition
    • 0.40% fail on Drive shafts (80% better than other 1988 cars)
      • 0.40% fail on Front drive shafts (79% better than other 1988 cars)
        • 0.40% fail on Constant velocity joints (79% better than other 1988 cars)
    • 0.20% fail on Trailing arms
      • 0.20% fail on Pins/bushes/ball joints
  • 3.2% fail on Tyres
    • 2.2% fail on Condition
    • 1.4% fail on Tread depth
    • 0.20% fail on Size/type
  • 2.8% fail on Body, Structure and General Items
    • 1.8% fail on Body condition
    • 0.60% fail on Seats
      • 0.60% fail on Drivers
      • 0.20% fail on Passengers
    • 0.40% fail on Vehicle structure
      • 0.40% fail on Chassis
    • 0.20% fail on Doors
      • 0.20% fail on Passengers front
  • 2.0% fail on Steering (60% better than other 1988 cars)
    • 1.6% fail on Steering system (61% better than other 1988 cars)
      • 1.2% fail on Track rod end
      • 0.20% fail on Steering box
      • 0.20% fail on Steering damper
    • 0.40% fail on Steering operation
    • 0.20% fail on Power steering
      • 0.20% fail on Pipes and hoses
    • 0.20% fail on Locking devices
  • 1.2% fail on Seat Belts and Supplementary Restraint Systems (66% better than other 1988 cars)
    • 1.2% fail on Seat belts (66% better than other 1988 cars)
      • 1.2% fail on Prescribed areas
  • 0.80% fail on Registration plates and VIN
    • 0.80% fail on Registration plate
  • 0.20% fail on Road Wheels
    • 0.20% fail on Attachment

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