Mercedes-Benz S-Class MOT Results

Registered in 1993
66.5% pass rate
from 322 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 1993 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 17% fail on Lamps, Reflectors and Electrical Equipment
    • 3.7% fail on Position lamps
      • 2.5% fail on Front lamps
      • 1.9% fail on Rear lamps
    • 3.7% fail on Headlamp aim
    • 3.4% fail on Rear fog lamp
      • 3.1% fail on Fog lamp
      • 0.62% fail on Switch
    • 3.4% fail on Direction indicators
      • 3.4% fail on Flashing type
        • 1.9% fail on Side repeaters
        • 0.93% fail on Individual lamps
        • 0.62% fail on All direction indicators
        • 0.31% fail on Tell tales
        • 0.31% fail on Switch
    • 2.8% fail on Stop lamp
    • 2.5% fail on Registration plate lamp
    • 1.9% fail on Headlamps
      • 1.2% fail on Headlamp
      • 0.31% fail on Headlamp defects which do require an aim check on retest
        • 0.31% fail on Headlamp cleaning device
      • 0.31% fail on Switch
    • 1.2% fail on Battery
    • 0.62% fail on Hazard warning
      • 0.31% fail on Lamp
      • 0.31% fail on Switch
    • 0.31% fail on Horn
  • 13% fail on Brakes
    • 7.1% fail on Hydraulic systems
      • 6.8% fail on Components
        • 4.0% fail on Pipes
        • 1.9% fail on Hoses
        • 1.2% fail on Valves (4 times worse than other 1993 cars)
      • 0.31% fail on Operation
    • 6.5% fail on Brake performance
      • 3.4% fail on Rear wheels
      • 2.8% fail on Parking brake performance
      • 1.9% fail on Front wheels
      • 0.93% fail on Service brake performance
      • 0.62% fail on Brake imbalance
    • 1.2% fail on ABS
    • 0.31% fail on Parking brake
      • 0.31% fail on Condition
    • 0.31% fail on Hub components
      • 0.31% fail on Brake pads
  • 9.9% fail on Suspension (38% better than other 1993 cars)
    • 3.4% fail on Prescribed areas
      • 2.2% fail on Subframe mounting
      • 0.93% fail on Component mounting (81% better than other 1993 cars)
      • 0.62% fail on Spring mounting
    • 2.5% fail on Coil springs
      • 2.5% fail on Condition (180% worse than other 1993 cars)
    • 1.6% fail on Suspension arms
      • 1.6% fail on Pins/bushes/ball joints
    • 1.6% fail on Anti-roll bars
      • 1.2% fail on Linkage pins/bushes/ball joints
      • 0.31% fail on Attachment
    • 1.2% fail on Front suspension joints
    • 0.62% fail on Wheel bearings
      • 0.31% fail on Front
      • 0.31% fail on Rear
    • 0.31% fail on Panhard rods
      • 0.31% fail on Pins/bushes/ball joints
    • 0.31% fail on Sub-frames
      • 0.31% fail on Condition
    • 0.31% fail on Front suspension retaining and locking devices
    • 0.31% fail on Shock absorbers
      • 0.31% fail on Condition
  • 6.5% fail on Driver's view of the road
    • 5.0% fail on Wipers
    • 1.9% fail on Washers
    • 0.31% fail on Windscreen
  • 5.6% fail on Exhaust, Fuel and Emissions (46% better than other 1993 cars)
    • 3.1% fail on Emissions
    • 1.9% fail on Exhaust system
    • 0.93% fail on Fuel system
      • 0.62% fail on Pipe
      • 0.31% fail on System
  • 3.7% fail on Tyres
    • 3.7% fail on Condition
    • 0.31% fail on Tread depth
  • 3.4% fail on Body, Structure and General Items
    • 1.2% fail on Vehicle structure
      • 1.2% fail on Chassis
    • 1.2% fail on Body condition
    • 0.62% fail on Seats
      • 0.62% fail on Drivers
    • 0.31% fail on Body security
  • 2.2% fail on Seat Belts and Supplementary Restraint Systems
    • 1.9% fail on Seat belts
      • 0.62% fail on Requirements
      • 0.62% fail on Condition
      • 0.62% fail on Prescribed areas (83% better than other 1993 cars)
    • 0.31% fail on Supplementary restraint systems
      • 0.31% fail on SRS Malfunction Indicator Lamp
  • 1.2% fail on Steering (76% better than other 1993 cars)
    • 0.93% fail on Steering system (78% better than other 1993 cars)
      • 0.93% fail on Track rod end
      • 0.31% fail on Drag link end
    • 0.31% fail on Steering operation
  • 0.93% fail on Registration plates and VIN
    • 0.93% fail on Registration plate
  • 0.62% fail on Road Wheels
    • 0.62% fail on Condition (19 times worse than other 1993 cars)

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