Mercedes-Benz SL MOT Results

Registered in 2004
79.9% pass rate
from 1,972 tests in 2017
(58% better than other 2004 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 2004 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 7.1% fail on Suspension (65% better than other 2004 cars)
    • 2.2% fail on Coil springs (55% better than other 2004 cars)
      • 2.2% fail on Condition (54% better than other 2004 cars)
      • 0.051% fail on Location
    • 2.0% fail on Suspension arms (55% better than other 2004 cars)
      • 2.0% fail on Pins/bushes/ball joints (53% better than other 2004 cars)
    • 1.9% fail on Shock absorbers
      • 1.9% fail on Condition
    • 1.0% fail on Front suspension joints
    • 0.15% fail on Fluid suspension (7 times worse than other 2004 cars)
      • 0.15% fail on Suspension unit (15 times worse than other 2004 cars)
    • 0.15% fail on Air suspension (13 times worse than other 2004 cars)
      • 0.15% fail on Suspension unit (47 times worse than other 2004 cars)
    • 0.15% fail on Anti-roll bars (97% better than other 2004 cars)
      • 0.10% fail on Pins/bushes/ball joints (90% better than other 2004 cars)
      • 0.051% fail on Linkage pins/bushes/ball joints
    • 0.15% fail on Wheel bearings (91% better than other 2004 cars)
      • 0.15% fail on Front (78% better than other 2004 cars)
    • 0.051% fail on Tie bars/rods
      • 0.051% fail on Pins/bushes/ball joints
    • 0.051% fail on Torque/reaction arms
      • 0.051% fail on Pins/bushes/ball joints
    • 0.051% fail on Sub-frames
      • 0.051% fail on Condition
  • 5.7% fail on Lamps, Reflectors and Electrical Equipment (78% better than other 2004 cars)
    • 2.3% fail on Registration plate lamp (65% better than other 2004 cars)
    • 1.4% fail on Headlamp aim (80% better than other 2004 cars)
    • 0.91% fail on Headlamps (81% better than other 2004 cars)
      • 0.56% fail on Headlamp (88% better than other 2004 cars)
      • 0.20% fail on Headlamp defects which do require an aim check on retest
        • 0.15% fail on Headlamp levelling device (3 times worse than other 2004 cars)
        • 0.10% fail on Headlamp cleaning device
      • 0.15% fail on Headlamp defects which don't require an aim check on retest
        • 0.10% fail on Headlamp cleaning device
        • 0.051% fail on Headlamp levelling device
    • 0.46% fail on Rear fog lamp (64% better than other 2004 cars)
      • 0.30% fail on Fog lamp (75% better than other 2004 cars)
      • 0.10% fail on Switch
      • 0.051% fail on Tell tale
    • 0.35% fail on Stop lamp (93% better than other 2004 cars)
    • 0.35% fail on Direction indicators (89% better than other 2004 cars)
      • 0.35% fail on Flashing type (89% better than other 2004 cars)
        • 0.20% fail on Individual lamps (89% better than other 2004 cars)
        • 0.15% fail on Side repeaters (85% better than other 2004 cars)
    • 0.30% fail on Position lamps (96% better than other 2004 cars)
      • 0.20% fail on Rear lamps (87% better than other 2004 cars)
      • 0.10% fail on Front lamps (98% better than other 2004 cars)
    • 0.15% fail on Horn (75% better than other 2004 cars)
    • 0.10% fail on Electrical wiring
    • 0.051% fail on Battery
    • 0.051% fail on Hazard warning
      • 0.051% fail on Lamp
    • 0.051% fail on Headlamp aim not tested
  • 4.7% fail on Tyres (48% better than other 2004 cars)
    • 3.1% fail on Condition
    • 1.4% fail on Tread depth (75% better than other 2004 cars)
    • 0.25% fail on Tyre pressure monitoring system (3 times worse than other 2004 cars)
    • 0.20% fail on Size/type
  • 4.6% fail on Brakes (70% better than other 2004 cars)
    • 1.4% fail on Hydraulic systems (73% better than other 2004 cars)
      • 1.3% fail on Components (74% better than other 2004 cars)
        • 0.96% fail on Pipes (74% better than other 2004 cars)
        • 0.20% fail on Hoses (81% better than other 2004 cars)
        • 0.051% fail on Reservoirs
        • 0.051% fail on Servos
      • 0.051% fail on Brake fluid warning lamp
      • 0.051% fail on Operation
    • 1.4% fail on Hub components (60% better than other 2004 cars)
      • 1.1% fail on Brake pads (57% better than other 2004 cars)
      • 0.35% fail on Brake discs (63% better than other 2004 cars)
    • 1.3% fail on Brake performance (83% better than other 2004 cars)
      • 0.66% fail on Parking brake performance (84% better than other 2004 cars)
      • 0.56% fail on Rear wheels (85% better than other 2004 cars)
      • 0.051% fail on Brake imbalance
      • 0.051% fail on Front wheels
      • 0.051% fail on Brake performance not tested
    • 0.41% fail on Parking brake (59% better than other 2004 cars)
      • 0.41% fail on Condition (57% better than other 2004 cars)
    • 0.41% fail on ABS (59% better than other 2004 cars)
    • 0.30% fail on Electronic stability system
    • 0.051% fail on Air and vacuum systems
      • 0.051% fail on Operation
  • 1.8% fail on Driver's view of the road (80% better than other 2004 cars)
    • 1.1% fail on Wipers (78% better than other 2004 cars)
    • 0.51% fail on Washers (86% better than other 2004 cars)
    • 0.15% fail on Mirrors
    • 0.051% fail on Windscreen
  • 1.1% fail on Registration plates and VIN
    • 1.1% fail on Registration plate
  • 1.0% fail on Seat Belts and Supplementary Restraint Systems (66% better than other 2004 cars)
    • 0.96% fail on Supplementary restraint systems
      • 0.96% fail on SRS Malfunction Indicator Lamp
    • 0.051% fail on Seat belts
      • 0.051% fail on Condition
  • 0.76% fail on Steering (84% better than other 2004 cars)
    • 0.66% fail on Steering system (85% better than other 2004 cars)
      • 0.61% fail on Track rod end (81% better than other 2004 cars)
      • 0.051% fail on Steering arm
    • 0.10% fail on Steering control
      • 0.10% fail on Steering lock
  • 0.51% fail on Exhaust, Fuel and Emissions (92% better than other 2004 cars)
    • 0.30% fail on Emissions (89% better than other 2004 cars)
    • 0.15% fail on Fuel system (75% better than other 2004 cars)
      • 0.15% fail on Cap
    • 0.10% fail on Exhaust system (97% better than other 2004 cars)
  • 0.25% fail on Road Wheels
    • 0.15% fail on Condition
    • 0.10% fail on Attachment
  • 0.25% fail on Body, Structure and General Items (85% better than other 2004 cars)
    • 0.20% fail on Doors
      • 0.20% fail on Drivers
    • 0.051% fail on Body security

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