Mercedes-Benz S-Class MOT Results

Registered in 2007
74.7% pass rate
from 692 tests in 2017
(36% 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 S-Class is unusually good or bad.

  • 8.8% fail on Brakes
    • 4.6% fail on Brake performance
      • 4.3% fail on Parking brake performance (120% worse than other 2007 cars)
      • 1.2% fail on Rear wheels
      • 0.29% fail on Front wheels
      • 0.14% fail on Service brake performance
      • 0.14% fail on Brake operation
    • 2.9% fail on Hub components
      • 1.4% fail on Brake pads
      • 1.3% fail on Brake discs
      • 0.58% fail on Brake calipers (3 times worse than other 2007 cars)
    • 1.7% fail on Hydraulic systems
      • 1.2% fail on Components
        • 0.87% fail on Pipes
        • 0.29% fail on Hoses
      • 0.58% fail on Leaks (2 times worse than other 2007 cars)
      • 0.14% fail on Brake fluid warning lamp
    • 1.0% fail on Electronic stability system (4 times worse than other 2007 cars)
    • 0.29% fail on Service brake control components
      • 0.29% fail on Pedal
        • 0.29% fail on Anti-slip
    • 0.29% fail on ABS
    • 0.29% fail on Restricted movement
    • 0.14% fail on Parking brake
      • 0.14% fail on Electronic parking brake
  • 8.1% fail on Lamps, Reflectors and Electrical Equipment (60% better than other 2007 cars)
    • 2.6% fail on Position lamps (54% better than other 2007 cars)
      • 2.3% fail on Front lamps (49% better than other 2007 cars)
      • 0.29% fail on Rear lamps (79% better than other 2007 cars)
    • 1.9% fail on Registration plate lamp (68% better than other 2007 cars)
    • 1.7% fail on Headlamp aim (64% better than other 2007 cars)
    • 1.3% fail on Direction indicators
      • 1.3% fail on Flashing type
        • 1.2% fail on Side repeaters
        • 0.14% fail on Individual lamps
    • 1.2% fail on Headlamps (65% better than other 2007 cars)
      • 0.87% fail on Headlamp (73% better than other 2007 cars)
      • 0.29% fail on Headlamp defects which don't require an aim check on retest
        • 0.29% fail on Headlamp cleaning device
      • 0.14% fail on Switch
    • 0.29% fail on Stop lamp (93% better than other 2007 cars)
    • 0.29% fail on Hazard warning (5 times worse than other 2007 cars)
      • 0.29% fail on Switch (10 times worse than other 2007 cars)
    • 0.14% fail on Horn
    • 0.14% fail on Headlamp aim not tested
  • 8.1% fail on Suspension (46% better than other 2007 cars)
    • 4.9% fail on Suspension arms (68% worse than other 2007 cars)
      • 4.9% fail on Pins/bushes/ball joints (75% worse than other 2007 cars)
    • 2.2% fail on Front suspension joints (180% worse than other 2007 cars)
    • 0.58% fail on Anti-roll bars (84% better than other 2007 cars)
      • 0.43% fail on Linkage pins/bushes/ball joints (84% better than other 2007 cars)
      • 0.14% fail on Pins/bushes/ball joints
    • 0.29% fail on Wheel bearings
      • 0.29% fail on Front
    • 0.29% fail on Shock absorbers (80% better than other 2007 cars)
      • 0.29% fail on Condition (80% better than other 2007 cars)
    • 0.14% fail on Radius arms
      • 0.14% fail on Pins/bushes/ball joints
    • 0.14% fail on Tie bars/rods
      • 0.14% fail on Pins/bushes/ball joints
    • 0.14% fail on Torque/reaction arms
      • 0.14% fail on Pins/bushes/ball joints
    • 0.14% fail on Sub-frames
      • 0.14% fail on Pins/bushes/ball joints
  • 7.8% fail on Tyres
    • 4.5% fail on Tread depth
    • 3.5% fail on Condition
    • 0.14% fail on Tyre pressure monitoring system
    • 0.14% fail on Size/type
  • 2.7% fail on Driver's view of the road (56% better than other 2007 cars)
    • 1.4% fail on Washers
    • 0.87% fail on Wipers (73% better than other 2007 cars)
    • 0.43% fail on Windscreen
  • 1.4% fail on Exhaust, Fuel and Emissions (60% better than other 2007 cars)
    • 0.72% fail on Emissions
    • 0.58% fail on Fuel system
      • 0.43% fail on System
      • 0.14% fail on Pipe
    • 0.29% fail on Exhaust system (86% better than other 2007 cars)
  • 1.2% fail on Road Wheels (180% worse than other 2007 cars)
    • 0.72% fail on Attachment
    • 0.43% fail on Condition
  • 0.87% fail on Registration plates and VIN
    • 0.87% fail on Registration plate
  • 0.72% fail on Steering (69% better than other 2007 cars)
    • 0.58% fail on Steering system (72% better than other 2007 cars)
      • 0.29% fail on Ball joint
      • 0.29% fail on Track rod end (80% better than other 2007 cars)
    • 0.14% fail on Locking devices
  • 0.29% fail on Seat Belts and Supplementary Restraint Systems
    • 0.14% fail on Supplementary restraint systems
      • 0.14% fail on SRS Malfunction Indicator Lamp
    • 0.14% fail on Seat belts
      • 0.14% fail on Condition
  • 0.14% fail on Body, Structure and General Items
    • 0.14% fail on Engine mountings
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