Mercedes-Benz SL MOT Results

Registered in 1981
78.7% pass rate
from 61 tests in 2021
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 1981 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 13% fail on Lamps, reflectors and electrical equipment
    • 9.8% fail on Headlamp aim
      • 9.8% fail on Headlamp aim (200% worse than other 1981 cars)
    • 4.9% fail on Front and rear fog lamps
      • 4.9% fail on Rear fog lamp
        • 4.9% fail on Rear fog lamp
    • 1.6% fail on Headlamps
      • 1.6% fail on Headlamp
    • 1.6% fail on Stop lamp
    • 1.6% fail on Direction indicators
      • 1.6% fail on Flashing type
        • 1.6% fail on All direction indicators
    • 1.6% fail on Mandatory tell-tales
      • 1.6% fail on Rear fog lamp tell-tale
  • 6.6% fail on Body, chassis, structure
    • 3.3% fail on Doors (8 times worse than other 1981 cars)
      • 3.3% fail on Front passenger's door (12 times worse than other 1981 cars)
        • 3.3% fail on Door condition (12 times worse than other 1981 cars)
    • 1.6% fail on Integral vehicle structure
      • 1.6% fail on Integral vehicle structure condition
    • 1.6% fail on Exhaust system
  • 4.9% fail on Brakes
    • 4.9% fail on Brake performance
      • 3.3% fail on Parking brake efficiency (sp)
        • 3.3% fail on Rbt (sp)
      • 1.6% fail on Service Brake Efficiency (sp)
        • 1.6% fail on Rbt (sp)
          • 1.6% fail on Service brake imbalance
      • 1.6% fail on Parking brake performance
        • 1.6% fail on Rbt
          • 1.6% fail on Parking brake performance
    • 1.6% fail on Flexible brake hoses
  • 4.9% fail on Steering
    • 3.3% fail on Steering linkage components
      • 3.3% fail on Track rod end
    • 1.6% fail on Steering gear
      • 1.6% fail on Steering box
  • 4.9% fail on Visibility
    • 4.9% fail on Washers
  • 3.3% fail on Suspension
    • 3.3% fail on Anti-roll bars (6 times worse than other 1981 cars)
      • 3.3% fail on Linkage (35 times worse than other 1981 cars)
    • 1.6% fail on Component mounting prescribed areas
  • 1.6% fail on Identification of the vehicle
    • 1.6% fail on Registration plates
  • 1.6% fail on Seat belts and supplementary restraint systems
    • 1.6% fail on Seat belts
      • 1.6% fail on Prescribed areas
  • 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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