Mercedes-Benz S-Class MOT Results

Registered in 2010
74.3% pass rate
from 292 tests in 2020
(23% better than other 2010 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 2010 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 9.6% fail on Brakes
    • 6.5% fail on Brake performance (100% worse than other 2010 cars)
      • 4.8% fail on Parking brake efficiency (sp) (2 times worse than other 2010 cars)
        • 4.8% fail on Rbt (sp) (2 times worse than other 2010 cars)
      • 1.7% fail on Service brake performance
        • 1.7% fail on Rbt
          • 1.4% fail on Service brake performance
          • 0.68% fail on Service brake imbalance
      • 1.7% fail on Parking brake performance
        • 1.4% fail on Rbt
          • 1.0% fail on Parking brake performance
          • 0.34% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.34% fail on Plate brake tester
          • 0.34% fail on Parking (secondary brake performance)
    • 1.7% fail on Mechanical brake components
      • 1.0% fail on Brake linings and pads
        • 1.0% fail on Brake pads
      • 0.68% fail on Brake discs and drums
        • 0.68% fail on Brake discs
    • 1.4% fail on Parking brake control (3 times worse than other 2010 cars)
      • 1.4% fail on Electronic parking brake (31 times worse than other 2010 cars)
    • 1.0% fail on Rigid brake pipes
    • 0.68% fail on ABS / EBS / ESC
      • 0.68% fail on Anti-lock braking system
      • 0.34% fail on Electronic stability control
    • 0.34% fail on Service brake pedal or hand lever
      • 0.34% fail on Pedal
  • 9.6% fail on Suspension
    • 7.9% fail on Suspension arms (150% worse than other 2010 cars)
      • 4.8% fail on Ball joint (180% worse than other 2010 cars)
      • 2.7% fail on Pins and bushes
      • 1.0% fail on Ball joint dust cover
    • 1.0% fail on Wheel bearings
    • 0.34% fail on Springs
      • 0.34% fail on Coil springs
        • 0.34% fail on Coil spring
    • 0.34% fail on Suspension rods
      • 0.34% fail on Ball joint
      • 0.34% fail on Ball joint dust cover
    • 0.34% fail on Anti-roll bars
      • 0.34% fail on Linkage ball joint dust cover
    • 0.34% fail on Sub-frames
      • 0.34% fail on Pins and bushes
    • 0.34% fail on Other suspension component
      • 0.34% fail on Pins and bushes
  • 5.8% fail on Noise, emissions and leaks (100% worse than other 2010 cars)
    • 5.1% fail on Exhaust emissions
      • 4.1% fail on Compression ignition (2 times worse than other 2010 cars)
        • 2.1% fail on On or after 01/07/2008 (200% worse than other 2010 cars)
        • 2.1% fail on Malfunction indicator lamp (4 times worse than other 2010 cars)
      • 1.0% fail on Spark ignition
        • 1.0% fail on Malfunction indicator lamp
    • 1.0% fail on Fluid leaks (4 times worse than other 2010 cars)
      • 1.0% fail on Engine oil leaks (6 times worse than other 2010 cars)
  • 5.8% fail on Tyres
    • 4.1% fail on Condition
    • 2.4% fail on Tread depth
  • 3.1% fail on Lamps, reflectors and electrical equipment (76% better than other 2010 cars)
    • 1.4% fail on Headlamps
      • 1.0% fail on Headlamp
      • 0.34% fail on Headlamp cleaning device
    • 1.4% fail on Direction indicators
      • 1.4% fail on Flashing type
        • 1.4% fail on Side repeaters
    • 0.34% fail on Headlamp aim
      • 0.34% fail on Headlamp aim
  • 1.7% fail on Visibility (65% better than other 2010 cars)
    • 1.0% fail on Washers
    • 0.68% fail on Wipers
  • 1.0% fail on Identification of the vehicle
    • 1.0% fail on Registration plates
  • 1.0% fail on Road Wheels
    • 0.68% fail on Condition
    • 0.68% fail on Attachment
  • 0.68% fail on Body, chassis, structure (78% better than other 2010 cars)
    • 0.68% fail on Transmission
      • 0.68% fail on Prop shafts (12 times worse than other 2010 cars)
        • 0.34% fail on Joints
        • 0.34% fail on Flexible couplings
  • 0.34% fail on Seat belts and supplementary restraint systems
    • 0.34% fail on SRS malfunction indicator lamp
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