Mercedes-Benz S-Class MOT Results

Registered in 2005
69.3% pass rate
from 766 tests in 2020
(33% better than other 2005 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 2005 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment (38% better than other 2005 cars)
    • 6.0% fail on Direction indicators (120% worse than other 2005 cars)
      • 6.0% fail on Flashing type (120% worse than other 2005 cars)
        • 3.8% fail on Individual direction indicators (100% worse than other 2005 cars)
        • 2.2% fail on Side repeaters (190% worse than other 2005 cars)
        • 0.39% fail on All direction indicators
    • 2.6% fail on Headlamps (49% better than other 2005 cars)
      • 2.6% fail on Headlamp (47% better than other 2005 cars)
    • 2.1% fail on Registration plate lamp(s)
    • 2.0% fail on Headlamp aim (54% better than other 2005 cars)
      • 1.8% fail on Headlamp aim (54% better than other 2005 cars)
      • 0.13% fail on Headlamp aim not tested
    • 1.4% fail on Position lamps (55% better than other 2005 cars)
      • 1.4% fail on Position lamp (54% better than other 2005 cars)
    • 0.65% fail on Stop lamp (86% better than other 2005 cars)
    • 0.26% fail on Electrical equipment
      • 0.26% fail on Horn
  • 11% fail on Suspension (38% better than other 2005 cars)
    • 9.0% fail on Suspension arms (48% worse than other 2005 cars)
      • 5.7% fail on Ball joint (120% worse than other 2005 cars)
      • 3.3% fail on Pins and bushes
      • 1.6% fail on Ball joint dust cover
      • 0.13% fail on Suspension arm
    • 0.91% fail on Wheel bearings
    • 0.78% fail on Other suspension component
      • 0.65% fail on Ball joint
      • 0.13% fail on Ball joint dust cover
    • 0.65% fail on Anti-roll bars (89% better than other 2005 cars)
      • 0.39% fail on Linkage pins and bushes
      • 0.13% fail on Pins and bushes
      • 0.13% fail on Linkage
      • 0.13% fail on Ball joint
    • 0.39% fail on Suspension rods
      • 0.26% fail on Pins and bushes (8 times worse than other 2005 cars)
      • 0.13% fail on Suspension rod
    • 0.26% fail on Shock absorbers (83% better than other 2005 cars)
    • 0.26% fail on Macpherson strut
      • 0.13% fail on Macpherson strut
      • 0.13% fail on Ball joint
    • 0.26% fail on Air/gas/fluid suspension (8 times worse than other 2005 cars)
      • 0.13% fail on Operation
      • 0.13% fail on Suspension unit
    • 0.13% fail on Sub-frames
      • 0.13% fail on Pins and bushes
  • 8.6% fail on Tyres
    • 5.1% fail on Tread depth
    • 3.7% fail on Condition
    • 0.65% fail on Size/type
  • 8.1% fail on Brakes (40% better than other 2005 cars)
    • 4.2% fail on Brake performance (42% better than other 2005 cars)
      • 3.1% fail on Parking brake efficiency (sp)
        • 3.1% fail on Rbt (sp)
      • 0.91% fail on Service brake performance (68% better than other 2005 cars)
        • 0.91% fail on Rbt (67% better than other 2005 cars)
          • 0.91% fail on Service brake performance (61% better than other 2005 cars)
      • 0.65% fail on Parking brake performance
        • 0.52% fail on Rbt (69% better than other 2005 cars)
          • 0.26% fail on Parking brake performance (82% better than other 2005 cars)
          • 0.26% fail on Parking (secondary brake performance)
        • 0.13% fail on Plate brake tester
          • 0.13% fail on Parking (secondary brake performance)
      • 0.26% fail on Brake performance not tested
    • 3.4% fail on Rigid brake pipes
    • 1.8% fail on Mechanical brake components (52% better than other 2005 cars)
      • 1.2% fail on Brake linings and pads
        • 1.0% fail on Brake pads (59% better than other 2005 cars)
        • 0.13% fail on Brake linings
      • 0.65% fail on Brake discs and drums
        • 0.65% fail on Brake discs
    • 0.52% fail on ABS / EBS / ESC
      • 0.52% fail on Anti-lock braking system
      • 0.26% fail on Electronic stability control
    • 0.13% fail on Parking brake control
      • 0.13% fail on Lever
    • 0.13% fail on Flexible brake hoses
    • 0.13% fail on Other components and prescribed areas
      • 0.13% fail on Other components
  • 3.0% fail on Visibility (60% better than other 2005 cars)
    • 1.3% fail on Wipers (65% better than other 2005 cars)
    • 1.3% fail on Washers (63% better than other 2005 cars)
    • 0.39% fail on View to rear
      • 0.39% fail on Mirrors
  • 2.3% fail on Body, chassis, structure (72% better than other 2005 cars)
    • 1.7% fail on Exhaust system
    • 0.39% fail on Fuel system
      • 0.39% fail on System (4 times worse than other 2005 cars)
    • 0.26% fail on Body
      • 0.13% fail on Body condition
      • 0.13% fail on Other body component
    • 0.13% fail on Bumpers
  • 2.1% fail on Noise, emissions and leaks (70% better than other 2005 cars)
    • 1.4% fail on Exhaust emissions (78% better than other 2005 cars)
      • 0.91% fail on Compression ignition
        • 0.39% fail on Pre 01/07/2008 Turbo
        • 0.39% fail on Malfunction indicator lamp
        • 0.13% fail on Emissions not tested
      • 0.52% fail on Spark ignition (89% better than other 2005 cars)
        • 0.39% fail on Malfunction indicator lamp (86% better than other 2005 cars)
        • 0.13% fail on Catalyst emissions
    • 0.65% fail on Fluid leaks
      • 0.39% fail on Engine oil leaks
      • 0.26% fail on Other leaks
  • 1.6% fail on Steering (62% better than other 2005 cars)
    • 1.6% fail on Steering linkage components (50% better than other 2005 cars)
      • 1.6% fail on Track rod end
      • 0.13% fail on Locking devices
    • 0.13% fail on Steering gear
      • 0.13% fail on Steering rack
  • 1.6% fail on Seat belts and supplementary restraint systems
    • 1.4% fail on SRS malfunction indicator lamp
    • 0.13% fail on Seat belts
      • 0.13% fail on Requirements
  • 0.91% fail on Identification of the vehicle
    • 0.91% fail on Registration plates
  • 0.39% fail on Road Wheels
    • 0.26% fail on Attachment
    • 0.13% fail on Condition

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