Mercedes-Benz S-Class MOT Results

Registered in 2008
70.4% pass rate
from 514 tests in 2020
(27% better than other 2008 cars)
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 2008 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 11% fail on Brakes
    • 7.4% fail on Brake performance (64% worse than other 2008 cars)
      • 6.2% fail on Parking brake efficiency (sp) (190% worse than other 2008 cars)
        • 5.8% fail on Rbt (sp) (190% worse than other 2008 cars)
        • 0.39% fail on Decelerometer (sp)
      • 2.1% fail on Parking brake performance (130% worse than other 2008 cars)
        • 2.1% fail on Rbt (140% worse than other 2008 cars)
          • 1.8% fail on Parking brake performance
          • 0.39% fail on Parking (secondary brake performance)
      • 1.2% fail on Service brake performance
        • 1.2% fail on Rbt
          • 0.58% fail on Service brake performance
          • 0.58% fail on Service brake imbalance
      • 0.39% fail on Service Brake Efficiency (sp)
        • 0.39% fail on Rbt (sp)
          • 0.39% fail on Service brake imbalance
    • 2.9% fail on Mechanical brake components
      • 1.8% fail on Brake discs and drums
        • 1.8% fail on Brake discs
      • 1.6% fail on Brake linings and pads
        • 1.6% fail on Brake pads
    • 1.6% fail on Rigid brake pipes
    • 1.6% fail on ABS / EBS / ESC
      • 1.6% fail on Anti-lock braking system (190% worse than other 2008 cars)
      • 0.19% fail on Electronic stability control
    • 1.4% fail on Parking brake control (2 times worse than other 2008 cars)
      • 1.4% fail on Electronic parking brake (20 times worse than other 2008 cars)
    • 0.39% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.39% fail on Hydraulic brake callipers
  • 8.4% fail on Lamps, reflectors and electrical equipment (47% better than other 2008 cars)
    • 3.5% fail on Headlamps
      • 3.5% fail on Headlamp
    • 1.9% fail on Direction indicators
      • 1.9% fail on Flashing type
        • 1.6% fail on Side repeaters (150% worse than other 2008 cars)
        • 0.19% fail on All direction indicators
        • 0.19% fail on Individual direction indicators
    • 1.4% fail on Position lamps
      • 1.4% fail on Position lamp
    • 1.2% fail on Headlamp aim (69% better than other 2008 cars)
      • 0.97% fail on Headlamp aim (72% better than other 2008 cars)
      • 0.19% fail on Headlamp aim not tested
    • 0.19% fail on Hazard warning
      • 0.19% fail on Switch
    • 0.19% fail on Registration plate lamp(s)
    • 0.19% fail on Electrical equipment
      • 0.19% fail on Electrical wiring
  • 7.4% fail on Noise, emissions and leaks
    • 7.2% fail on Exhaust emissions
      • 6.4% fail on Compression ignition (2 times worse than other 2008 cars)
        • 2.9% fail on Pre 01/07/2008 Turbo (4 times worse than other 2008 cars)
        • 2.1% fail on On or after 01/07/2008 (2 times worse than other 2008 cars)
        • 1.6% fail on Malfunction indicator lamp (190% worse than other 2008 cars)
        • 0.19% fail on Emissions not tested
      • 0.97% fail on Spark ignition (68% better than other 2008 cars)
        • 0.97% fail on Malfunction indicator lamp
    • 0.19% fail on Fluid leaks
      • 0.19% fail on Engine oil leaks
  • 6.8% fail on Suspension (52% better than other 2008 cars)
    • 5.4% fail on Suspension arms
      • 4.1% fail on Ball joint (120% worse than other 2008 cars)
      • 0.78% fail on Ball joint dust cover
      • 0.58% fail on Pins and bushes (73% better than other 2008 cars)
    • 0.78% fail on Wheel bearings
    • 0.58% fail on Anti-roll bars (85% better than other 2008 cars)
      • 0.19% fail on Linkage pins and bushes
      • 0.19% fail on Ball joint dust cover
      • 0.19% fail on Linkage ball joint dust cover
    • 0.39% fail on Shock absorbers
    • 0.39% fail on Other suspension component
      • 0.19% fail on Ball joint
      • 0.19% fail on Ball joint dust cover
    • 0.19% fail on Suspension rods
      • 0.19% fail on Pins and bushes
    • 0.19% fail on Sub-frames
      • 0.19% fail on Pins and bushes
  • 6.2% fail on Tyres
    • 4.3% fail on Tread depth
    • 2.1% fail on Condition
  • 2.5% fail on Visibility (58% better than other 2008 cars)
    • 1.8% fail on Washers
    • 0.39% fail on View to rear
      • 0.39% fail on Mirrors
    • 0.39% fail on Wipers (86% better than other 2008 cars)
  • 1.6% fail on Steering
    • 1.6% fail on Steering linkage components
      • 1.4% fail on Track rod end
      • 0.19% fail on Ball joint
  • 0.78% fail on Body, chassis, structure (86% better than other 2008 cars)
    • 0.39% fail on Exhaust system (82% better than other 2008 cars)
    • 0.19% fail on Fuel system
      • 0.19% fail on Pipe
    • 0.19% fail on Body
      • 0.19% fail on Other body component
  • 0.58% fail on Road Wheels
    • 0.39% fail on Attachment
    • 0.19% fail on Condition
  • 0.39% fail on Identification of the vehicle
    • 0.39% fail on Registration plates
  • 0.39% fail on Seat belts and supplementary restraint systems
    • 0.39% fail on SRS malfunction indicator lamp
Read the Honest John Review

Search Good Garages