Mercedes-Benz SL MOT Results

Registered in 1999
76.6% pass rate
from 535 tests in 2017
(52% better than other 1999 cars)
Pass rate by mileage
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 1999 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 11% fail on Lamps, Reflectors and Electrical Equipment (55% better than other 1999 cars)
    • 4.1% fail on Stop lamp
    • 3.7% fail on Direction indicators
      • 3.7% fail on Flashing type
        • 2.4% fail on Side repeaters (2 times worse than other 1999 cars)
        • 1.9% fail on Individual lamps
        • 0.19% fail on All direction indicators
        • 0.19% fail on Switch
    • 2.2% fail on Headlamp aim (66% better than other 1999 cars)
    • 1.7% fail on Position lamps (73% better than other 1999 cars)
      • 1.3% fail on Front lamps (72% better than other 1999 cars)
      • 0.75% fail on Rear lamps
    • 1.1% fail on Headlamps (74% better than other 1999 cars)
      • 0.56% fail on Headlamp defects which don't require an aim check on retest (6 times worse than other 1999 cars)
        • 0.56% fail on Headlamp cleaning device (16 times worse than other 1999 cars)
      • 0.37% fail on Headlamp defects which do require an aim check on retest (5 times worse than other 1999 cars)
        • 0.37% fail on Headlamp cleaning device (29 times worse than other 1999 cars)
      • 0.19% fail on Headlamp
    • 0.56% fail on Horn
    • 0.37% fail on Registration plate lamp (93% better than other 1999 cars)
    • 0.37% fail on Hazard warning
      • 0.37% fail on Lamp
    • 0.19% fail on Battery
    • 0.19% fail on Electrical wiring
    • 0.19% fail on Headlamp aim not tested
  • 6.2% fail on Brakes (65% better than other 1999 cars)
    • 2.8% fail on Hydraulic systems (58% better than other 1999 cars)
      • 2.4% fail on Components (61% better than other 1999 cars)
        • 1.9% fail on Pipes (55% better than other 1999 cars)
        • 0.56% fail on Hoses
      • 0.37% fail on Operation
      • 0.37% fail on Leaks
    • 2.1% fail on Brake performance (78% better than other 1999 cars)
      • 0.93% fail on Parking brake performance (80% better than other 1999 cars)
      • 0.56% fail on Rear wheels (87% better than other 1999 cars)
      • 0.37% fail on Front wheels (89% better than other 1999 cars)
      • 0.19% fail on Brake imbalance
      • 0.19% fail on Service brake performance
      • 0.19% fail on Brake performance not tested
    • 1.5% fail on ABS
    • 0.75% fail on Parking brake
      • 0.75% fail on Condition
    • 0.75% fail on Hub components (73% better than other 1999 cars)
      • 0.56% fail on Brake pads
      • 0.19% fail on Brake discs
      • 0.19% fail on Brake back plates
  • 5.6% fail on Driver's view of the road (40% better than other 1999 cars)
    • 3.4% fail on Wipers
    • 1.3% fail on Bonnet (6 times worse than other 1999 cars)
    • 0.93% fail on Washers (74% better than other 1999 cars)
    • 0.37% fail on Mirrors
    • 0.19% fail on Windscreen
  • 4.5% fail on Tyres (45% better than other 1999 cars)
    • 2.2% fail on Condition
    • 2.1% fail on Tread depth (58% better than other 1999 cars)
    • 0.19% fail on Valve stem
  • 3.6% fail on Suspension (83% better than other 1999 cars)
    • 1.3% fail on Suspension arms (68% better than other 1999 cars)
      • 1.3% fail on Pins/bushes/ball joints (66% better than other 1999 cars)
    • 0.75% fail on Coil springs (73% better than other 1999 cars)
      • 0.75% fail on Condition (72% better than other 1999 cars)
    • 0.75% fail on Wheel bearings
      • 0.75% fail on Front
    • 0.56% fail on Anti-roll bars (89% better than other 1999 cars)
      • 0.37% fail on Linkage pins/bushes/ball joints (89% better than other 1999 cars)
      • 0.19% fail on Pins/bushes/ball joints
    • 0.37% fail on Shock absorbers
      • 0.37% fail on Condition
    • 0.19% fail on Front suspension joints
    • 0.19% fail on Prescribed areas
      • 0.19% fail on Subframe mounting
  • 1.9% fail on Exhaust, Fuel and Emissions (84% better than other 1999 cars)
    • 1.5% fail on Emissions (78% better than other 1999 cars)
    • 0.37% fail on Exhaust system (93% better than other 1999 cars)
  • 1.5% fail on Seat Belts and Supplementary Restraint Systems (72% better than other 1999 cars)
    • 0.93% fail on Supplementary restraint systems
      • 0.93% fail on SRS Malfunction Indicator Lamp
    • 0.56% fail on Seat belts (85% better than other 1999 cars)
      • 0.37% fail on Condition
      • 0.19% fail on Requirements
  • 1.1% fail on Steering (75% better than other 1999 cars)
    • 0.93% fail on Steering system (76% better than other 1999 cars)
      • 0.37% fail on Ball joint
      • 0.19% fail on Track rod end
      • 0.19% fail on Steering damper
      • 0.19% fail on Steering arm
    • 0.19% fail on Power steering
      • 0.19% fail on Pipes and hoses
  • 0.56% fail on Body, Structure and General Items (87% better than other 1999 cars)
    • 0.19% fail on Body condition
    • 0.19% fail on Seats
      • 0.19% fail on Drivers
    • 0.19% fail on Load security
      • 0.19% fail on Access panel
  • 0.19% fail on Road Wheels
    • 0.19% fail on Attachment
  • 0.19% fail on Registration plates and VIN
    • 0.19% fail on Registration plate

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