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Mercedes-Benz SL-Class MOT Results

81.3% pass rate
from 64 tests in 2020
(34% better than other pre-1990 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 pre-1990 cars and highlighted areas where the Mercedes-Benz SL-Class is unusually good or bad.

  • 9.4% fail on Lamps, reflectors and electrical equipment (26% better than other pre-1990 cars)
    • 6.3% fail on Headlamp aim (86% worse than other pre-1990 cars)
      • 6.3% fail on Headlamp aim (99% worse than other pre-1990 cars)
    • 4.7% fail on Direction indicators (76% worse than other pre-1990 cars)
      • 4.7% fail on Flashing type (76% worse than other pre-1990 cars)
        • 4.7% fail on Individual direction indicators (2 times worse than other pre-1990 cars)
  • 6.3% fail on Visibility (0.066% worse than other pre-1990 cars)
    • 4.7% fail on Washers (12% worse than other pre-1990 cars)
    • 1.6% fail on Wipers
  • 4.7% fail on Brakes (49% better than other pre-1990 cars)
    • 1.6% fail on Service brake pedal or hand lever
      • 1.6% fail on Pedal
    • 1.6% fail on Flexible brake hoses
    • 1.6% fail on Brake performance
      • 1.6% fail on Service brake performance
        • 1.6% fail on Rbt
          • 1.6% fail on Service brake performance
  • 1.6% fail on Steering
    • 1.6% fail on Steering linkage components
      • 1.6% fail on Track rod end
  • 1.6% fail on Suspension
    • 1.6% fail on Component mounting prescribed areas
  • 1.6% fail on Body, chassis, structure
    • 1.6% fail on Integral vehicle structure
      • 1.6% fail on Integral vehicle structure condition
    • 1.6% fail on Chassis
      • 1.6% fail on Chassis condition
  • 1.6% fail on Seat belts and supplementary restraint systems
    • 1.6% fail on Seat belts
      • 1.6% fail on Attachment
  • 1.6% fail on Noise, emissions and leaks
    • 1.6% fail on Exhaust emissions
      • 1.6% fail on Spark ignition
        • 1.6% fail on Non catalyst emissions
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