Mercedes-Benz S-Class MOT Results

Registered in 2013
83.7% pass rate
from 270 tests in 2020
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 2013 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 4.8% fail on Suspension
    • 4.4% fail on Suspension arms (2 times worse than other 2013 cars)
      • 4.1% fail on Ball joint (4 times worse than other 2013 cars)
      • 0.37% fail on Pins and bushes
      • 0.37% fail on Ball joint dust cover
    • 0.37% fail on Wheel bearings
    • 0.37% fail on Other suspension component
      • 0.37% fail on Ball joint
  • 4.4% fail on Tyres
    • 3.3% fail on Tread depth
    • 0.74% fail on Condition
    • 0.37% fail on Tyre pressure monitoring system
  • 3.3% fail on Noise, emissions and leaks (190% worse than other 2013 cars)
    • 3.3% fail on Exhaust emissions (2 times worse than other 2013 cars)
      • 1.9% fail on Compression ignition (2 times worse than other 2013 cars)
        • 1.9% fail on Malfunction indicator lamp (7 times worse than other 2013 cars)
      • 1.5% fail on Spark ignition
        • 1.5% fail on Malfunction indicator lamp (2 times worse than other 2013 cars)
  • 3.0% fail on Brakes
    • 1.5% fail on Brake performance
      • 0.74% fail on Service brake performance
        • 0.74% fail on Rbt
          • 0.37% fail on Service brake performance
          • 0.37% fail on Service brake imbalance
      • 0.74% fail on Parking brake efficiency (sp)
        • 0.74% fail on Rbt (sp)
      • 0.37% fail on Parking brake performance
        • 0.37% fail on Rbt
          • 0.37% fail on Parking brake performance
    • 0.74% fail on Mechanical brake components
      • 0.74% fail on Brake linings and pads
        • 0.74% fail on Brake pads
    • 0.37% fail on Rigid brake pipes
    • 0.37% fail on ABS / EBS / ESC
      • 0.37% fail on Anti-lock braking system
      • 0.37% fail on Electronic stability control
  • 1.5% fail on Lamps, reflectors and electrical equipment (80% better than other 2013 cars)
    • 1.1% fail on Headlamp aim
      • 1.1% fail on Headlamp aim
    • 0.37% fail on Direction indicators
      • 0.37% fail on Flashing type
        • 0.37% fail on Side repeaters
  • 1.1% fail on Identification of the vehicle
    • 1.1% fail on Registration plates
  • 0.74% fail on Seat belts and supplementary restraint systems
    • 0.37% fail on Seat belts
      • 0.37% fail on Condition
    • 0.37% fail on SRS malfunction indicator lamp
  • 0.74% fail on Road Wheels
    • 0.74% fail on Condition (9 times worse than other 2013 cars)
  • 0.37% fail on Steering
    • 0.37% fail on Steering linkage components
      • 0.37% fail on Track rod end
  • 0.37% fail on Visibility
    • 0.37% fail on Wipers
  • 0.37% fail on Body, chassis, structure
    • 0.37% fail on Undertray
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