Mercedes-Benz S-Class MOT Results

Registered in 2004
69.4% pass rate
from 1,106 tests in 2017
(35% better than other 2004 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 2004 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 14% fail on Lamps, Reflectors and Electrical Equipment (45% better than other 2004 cars)
    • 5.5% fail on Direction indicators (77% worse than other 2004 cars)
      • 5.5% fail on Flashing type (77% worse than other 2004 cars)
        • 2.9% fail on Side repeaters (180% worse than other 2004 cars)
        • 2.6% fail on Individual lamps
        • 0.36% fail on All direction indicators
    • 3.2% fail on Position lamps (53% better than other 2004 cars)
      • 2.4% fail on Front lamps (55% better than other 2004 cars)
      • 0.72% fail on Rear lamps
      • 0.090% fail on All position lamps
    • 3.1% fail on Registration plate lamp (53% better than other 2004 cars)
    • 2.9% fail on Headlamps (39% better than other 2004 cars)
      • 2.5% fail on Headlamp (45% better than other 2004 cars)
      • 0.27% fail on Headlamp defects which don't require an aim check on retest
        • 0.27% fail on Headlamp cleaning device
      • 0.090% fail on Matched pair
    • 2.4% fail on Headlamp aim (66% better than other 2004 cars)
    • 0.54% fail on Stop lamp (90% better than other 2004 cars)
    • 0.36% fail on Rear fog lamp (72% better than other 2004 cars)
      • 0.36% fail on Fog lamp (71% better than other 2004 cars)
    • 0.27% fail on Horn
    • 0.090% fail on Battery
  • 10% fail on Suspension (49% better than other 2004 cars)
    • 5.3% fail on Suspension arms
      • 5.3% fail on Pins/bushes/ball joints
      • 0.090% fail on Condition
    • 2.9% fail on Front suspension joints (100% worse than other 2004 cars)
    • 1.4% fail on Shock absorbers
      • 1.4% fail on Condition
    • 0.54% fail on Anti-roll bars (91% better than other 2004 cars)
      • 0.36% fail on Linkage pins/bushes/ball joints (92% better than other 2004 cars)
      • 0.18% fail on Pins/bushes/ball joints (82% better than other 2004 cars)
    • 0.45% fail on Air suspension (41 times worse than other 2004 cars)
      • 0.18% fail on Operation (42 times worse than other 2004 cars)
      • 0.18% fail on Pipes (481 times worse than other 2004 cars)
      • 0.090% fail on Suspension unit
      • 0.090% fail on Levelling valve
    • 0.36% fail on Wheel bearings (78% better than other 2004 cars)
      • 0.18% fail on Front
      • 0.18% fail on Rear (81% better than other 2004 cars)
    • 0.27% fail on Tie bars/rods
      • 0.27% fail on Pins/bushes/ball joints
    • 0.27% fail on Prescribed areas (81% better than other 2004 cars)
      • 0.18% fail on Component mounting (84% better than other 2004 cars)
      • 0.090% fail on Subframe mounting
    • 0.18% fail on Radius arms
      • 0.18% fail on Pins/bushes/ball joints
    • 0.090% fail on Coil springs
      • 0.090% fail on Condition
  • 8.0% fail on Brakes (47% better than other 2004 cars)
    • 4.3% fail on Hydraulic systems
      • 4.3% fail on Components
        • 4.0% fail on Pipes
        • 0.36% fail on Hoses
        • 0.090% fail on Reservoirs
      • 0.36% fail on Leaks
    • 3.2% fail on Brake performance (58% better than other 2004 cars)
      • 1.8% fail on Parking brake performance (57% better than other 2004 cars)
      • 1.4% fail on Rear wheels (61% better than other 2004 cars)
      • 0.45% fail on Service brake performance
      • 0.27% fail on Front wheels (86% better than other 2004 cars)
      • 0.18% fail on Brake imbalance
      • 0.18% fail on Brake performance not tested
    • 1.9% fail on Hub components (45% better than other 2004 cars)
      • 1.7% fail on Brake pads
      • 0.45% fail on Brake discs
      • 0.090% fail on Brake calipers
    • 0.45% fail on ABS
    • 0.27% fail on Electronic stability system
    • 0.27% fail on Parking brake
      • 0.27% fail on Condition
  • 8.0% fail on Tyres
    • 5.1% fail on Tread depth
    • 3.3% fail on Condition
    • 0.36% fail on Size/type
    • 0.090% fail on Tyre pressure monitoring system
  • 3.3% fail on Driver's view of the road (62% better than other 2004 cars)
    • 1.7% fail on Washers (51% better than other 2004 cars)
    • 0.81% fail on Wipers (83% better than other 2004 cars)
    • 0.54% fail on Mirrors
    • 0.27% fail on Windscreen
  • 2.2% fail on Steering (56% better than other 2004 cars)
    • 2.2% fail on Steering system (51% better than other 2004 cars)
      • 1.7% fail on Track rod end (46% better than other 2004 cars)
      • 0.36% fail on Ball joint
      • 0.090% fail on Steering arm
  • 1.7% fail on Seat Belts and Supplementary Restraint Systems
    • 1.6% fail on Supplementary restraint systems
      • 1.6% fail on SRS Malfunction Indicator Lamp
    • 0.18% fail on Seat belts (88% better than other 2004 cars)
      • 0.18% fail on Requirements
  • 1.4% fail on Exhaust, Fuel and Emissions (78% better than other 2004 cars)
    • 0.99% fail on Exhaust system (74% better than other 2004 cars)
    • 0.36% fail on Fuel system
      • 0.36% fail on System
    • 0.090% fail on Emissions
  • 1.3% fail on Road Wheels (180% worse than other 2004 cars)
    • 1.2% fail on Attachment (2 times worse than other 2004 cars)
    • 0.090% fail on Condition
  • 0.63% fail on Registration plates and VIN
    • 0.63% fail on Registration plate
  • 0.27% fail on Body, Structure and General Items (84% better than other 2004 cars)
    • 0.18% fail on Body condition
    • 0.090% fail on Seats
      • 0.090% fail on Passengers

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