Mercedes-Benz SL MOT Results

Registered in 1986
76.1% pass rate
from 138 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 1986 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment
    • 9.4% fail on Headlamp aim (140% worse than other 1986 cars)
      • 9.4% fail on Headlamp aim (160% worse than other 1986 cars)
    • 3.6% fail on Direction indicators
      • 3.6% fail on Flashing type
        • 1.4% fail on All direction indicators
        • 1.4% fail on Individual direction indicators
        • 0.72% fail on Side repeaters
    • 3.6% fail on Front and rear fog lamps
      • 3.6% fail on Rear fog lamp
        • 3.6% fail on Rear fog lamp
    • 2.2% fail on Stop lamp
    • 1.4% fail on Hazard warning
      • 1.4% fail on Switch
    • 1.4% fail on Electrical equipment
      • 0.72% fail on Battery(ies)
      • 0.72% fail on Horn
    • 0.72% fail on Registration plate lamp(s)
    • 0.72% fail on Mandatory tell-tales
      • 0.72% fail on Rear fog lamp tell-tale
  • 5.8% fail on Suspension
    • 2.9% fail on Suspension arms
      • 2.9% fail on Ball joint dust cover (4 times worse than other 1986 cars)
    • 2.2% fail on Component mounting prescribed areas
    • 0.72% fail on Anti-roll bars
      • 0.72% fail on Linkage pins and bushes
    • 0.72% fail on Other suspension component
      • 0.72% fail on Attachment bracket and mounting
  • 5.1% fail on Brakes
    • 2.9% fail on Brake performance
      • 2.2% fail on Service brake performance
        • 2.2% fail on Rbt
          • 2.2% fail on Service brake performance
      • 0.72% fail on Parking brake efficiency (sp)
        • 0.72% fail on Rbt (sp)
    • 2.9% fail on ABS / EBS / ESC (13 times worse than other 1986 cars)
      • 2.9% fail on Anti-lock braking system (14 times worse than other 1986 cars)
    • 0.72% fail on Flexible brake hoses
  • 5.1% fail on Body, chassis, structure
    • 1.4% fail on Integral vehicle structure
      • 1.4% fail on Integral vehicle structure condition
    • 1.4% fail on Chassis
      • 1.4% fail on Chassis condition
    • 0.72% fail on Exhaust system
    • 0.72% fail on Fuel system
      • 0.72% fail on System
    • 0.72% fail on Floor
    • 0.72% fail on Seats
      • 0.72% fail on Driver's seat
  • 4.3% fail on Visibility
    • 3.6% fail on Washers
    • 1.4% fail on Wipers
  • 1.4% fail on Steering
    • 0.72% fail on Steering linkage components
      • 0.72% fail on Track rod end
    • 0.72% fail on Power steering
      • 0.72% fail on Pipes and hoses
  • 0.72% fail on Noise, emissions and leaks
    • 0.72% fail on Exhaust emissions
      • 0.72% fail on Spark ignition
        • 0.72% fail on Non catalyst emissions

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