Mercedes-Benz S-Class MOT Results

Registered in 2000
65.9% pass rate
from 949 tests in 2017
(31% better than other 2000 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 2000 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 15% fail on Lamps, Reflectors and Electrical Equipment (41% better than other 2000 cars)
    • 5.1% fail on Direction indicators (84% worse than other 2000 cars)
      • 5.1% fail on Flashing type (84% worse than other 2000 cars)
        • 2.6% fail on Side repeaters (200% worse than other 2000 cars)
        • 2.5% fail on Individual lamps
        • 0.32% fail on All direction indicators
    • 4.7% fail on Headlamp aim (31% better than other 2000 cars)
    • 3.8% fail on Headlamps
      • 3.2% fail on Headlamp
      • 0.63% fail on Headlamp defects which don't require an aim check on retest (7 times worse than other 2000 cars)
        • 0.63% fail on Headlamp cleaning device (13 times worse than other 2000 cars)
      • 0.11% fail on Matched pair
    • 3.6% fail on Position lamps (45% better than other 2000 cars)
      • 2.2% fail on Rear lamps
      • 1.9% fail on Front lamps (61% better than other 2000 cars)
    • 2.3% fail on Registration plate lamp (60% better than other 2000 cars)
    • 0.74% fail on Stop lamp (87% better than other 2000 cars)
    • 0.53% fail on Rear fog lamp (70% better than other 2000 cars)
      • 0.53% fail on Fog lamp (68% better than other 2000 cars)
    • 0.32% fail on Hazard warning
      • 0.32% fail on Switch
    • 0.32% fail on Horn
    • 0.21% fail on Battery (81% better than other 2000 cars)
  • 15% fail on Suspension (33% better than other 2000 cars)
    • 7.5% fail on Suspension arms (76% worse than other 2000 cars)
      • 7.4% fail on Pins/bushes/ball joints (84% worse than other 2000 cars)
      • 0.11% fail on Condition
    • 4.0% fail on Front suspension joints (160% worse than other 2000 cars)
    • 3.9% fail on Prescribed areas
      • 2.5% fail on Component mounting
      • 1.5% fail on Subframe mounting
    • 0.84% fail on Anti-roll bars (83% better than other 2000 cars)
      • 0.74% fail on Linkage pins/bushes/ball joints (78% better than other 2000 cars)
      • 0.11% fail on Attachment
    • 0.74% fail on Shock absorbers
      • 0.74% fail on Condition
    • 0.53% fail on Wheel bearings (72% better than other 2000 cars)
      • 0.53% fail on Front
    • 0.32% fail on Air suspension (24 times worse than other 2000 cars)
      • 0.21% fail on Suspension unit (47 times worse than other 2000 cars)
      • 0.11% fail on Operation
    • 0.21% fail on Radius arms
      • 0.21% fail on Pins/bushes/ball joints
    • 0.11% fail on General condition
    • 0.11% fail on Gas suspension
      • 0.11% fail on Suspension unit
    • 0.11% fail on Trailing arms
      • 0.11% fail on Pins/bushes/ball joints
    • 0.11% fail on Tie bars/rods
      • 0.11% fail on Pins/bushes/ball joints
  • 10% fail on Brakes (40% better than other 2000 cars)
    • 4.6% fail on Brake performance (49% better than other 2000 cars)
      • 3.1% fail on Rear wheels
      • 2.7% fail on Parking brake performance
      • 0.84% fail on Front wheels (74% better than other 2000 cars)
      • 0.21% fail on Service brake performance (82% better than other 2000 cars)
      • 0.11% fail on Brake imbalance
    • 4.3% fail on Hydraulic systems (34% better than other 2000 cars)
      • 4.0% fail on Components (34% better than other 2000 cars)
        • 3.5% fail on Pipes
        • 0.84% fail on Hoses
      • 0.32% fail on Leaks
    • 2.6% fail on Hub components
      • 2.1% fail on Brake pads
      • 0.95% fail on Brake discs
    • 1.4% fail on ABS
    • 0.42% fail on Parking brake
      • 0.42% fail on Condition
  • 7.1% fail on Tyres
    • 4.5% fail on Tread depth
    • 2.6% fail on Condition
    • 0.42% fail on Size/type
  • 6.4% fail on Seat Belts and Supplementary Restraint Systems
    • 4.0% fail on Supplementary restraint systems (140% worse than other 2000 cars)
      • 4.0% fail on SRS Malfunction Indicator Lamp (150% worse than other 2000 cars)
    • 2.6% fail on Seat belts
      • 2.0% fail on Prescribed areas
      • 0.42% fail on Requirements (4 times worse than other 2000 cars)
      • 0.21% fail on Condition
  • 6.4% fail on Driver's view of the road (33% better than other 2000 cars)
    • 3.4% fail on Wipers (40% better than other 2000 cars)
    • 2.3% fail on Washers
    • 0.53% fail on Mirrors
    • 0.21% fail on Windscreen
    • 0.11% fail on Bonnet
  • 3.3% fail on Steering
    • 3.1% fail on Steering system
      • 2.2% fail on Track rod end
      • 0.74% fail on Ball joint
      • 0.42% fail on Steering rack
      • 0.11% fail on Drag link end
      • 0.11% fail on Steering arm
    • 0.11% fail on Steering control
      • 0.11% fail on Steering lock
    • 0.11% fail on Steering operation
  • 2.7% fail on Exhaust, Fuel and Emissions (75% better than other 2000 cars)
    • 1.4% fail on Exhaust system (74% better than other 2000 cars)
    • 0.95% fail on Emissions (85% better than other 2000 cars)
    • 0.42% fail on Fuel system
      • 0.21% fail on Pipe
      • 0.21% fail on System
    • 0.11% fail on Emissions not tested
  • 2.6% fail on Body, Structure and General Items
    • 1.5% fail on Body condition
    • 0.84% fail on Vehicle structure
      • 0.84% fail on Chassis
    • 0.21% fail on Seats
      • 0.21% fail on Drivers
    • 0.11% fail on Speedometer
  • 0.74% fail on Registration plates and VIN
    • 0.74% fail on Registration plate
  • 0.42% fail on Road Wheels
    • 0.32% fail on Attachment
    • 0.11% fail on Condition
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