Mercedes-Benz SLK MOT Results

Registered in 2012
86.5% pass rate
from 4,985 tests in 2017
(36% better than other 2012 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 2012 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 7.6% fail on Tyres (36% worse than other 2012 cars)
    • 5.5% fail on Condition (90% worse than other 2012 cars)
    • 2.4% fail on Tread depth
    • 0.18% fail on Tyre pressure monitoring system
    • 0.080% fail on Valve stem
    • 0.060% fail on Size/type
  • 3.2% fail on Lamps, Reflectors and Electrical Equipment (61% better than other 2012 cars)
    • 1.7% fail on Headlamp aim (27% better than other 2012 cars)
    • 0.66% fail on Headlamps (52% better than other 2012 cars)
      • 0.64% fail on Headlamp (50% better than other 2012 cars)
      • 0.020% fail on Headlamp defects which don't require an aim check on retest
        • 0.020% fail on Headlamp cleaning device
    • 0.34% fail on Direction indicators (60% better than other 2012 cars)
      • 0.34% fail on Flashing type (60% better than other 2012 cars)
        • 0.24% fail on Side repeaters
        • 0.10% fail on Individual lamps (74% better than other 2012 cars)
    • 0.20% fail on Registration plate lamp (89% better than other 2012 cars)
    • 0.12% fail on Position lamps (92% better than other 2012 cars)
      • 0.12% fail on Front lamps (90% better than other 2012 cars)
    • 0.10% fail on Stop lamp (91% better than other 2012 cars)
    • 0.060% fail on Horn
    • 0.020% fail on Battery
    • 0.020% fail on Rear fog lamp
      • 0.020% fail on Fog lamp
    • 0.020% fail on Hazard warning
      • 0.020% fail on Lamp
  • 1.4% fail on Brakes (62% better than other 2012 cars)
    • 0.58% fail on ABS (6 times worse than other 2012 cars)
    • 0.48% fail on Hub components (80% better than other 2012 cars)
      • 0.38% fail on Brake pads (83% better than other 2012 cars)
      • 0.12% fail on Brake discs (65% better than other 2012 cars)
      • 0.040% fail on Brake calipers
    • 0.24% fail on Brake performance (79% better than other 2012 cars)
      • 0.10% fail on Service brake performance
      • 0.080% fail on Front wheels (76% better than other 2012 cars)
      • 0.060% fail on Rear wheels (88% better than other 2012 cars)
      • 0.040% fail on Parking brake performance (87% better than other 2012 cars)
    • 0.16% fail on Electronic stability system (180% worse than other 2012 cars)
    • 0.10% fail on Hydraulic systems
      • 0.060% fail on Components
        • 0.040% fail on Pipes
        • 0.020% fail on Hoses
      • 0.020% fail on Brake fluid warning lamp
      • 0.020% fail on Operation
      • 0.020% fail on Leaks
    • 0.020% fail on Mechanical components
      • 0.020% fail on Cable
    • 0.020% fail on Restricted movement
  • 1.2% fail on Suspension (68% better than other 2012 cars)
    • 0.46% fail on Suspension arms
      • 0.42% fail on Pins/bushes/ball joints
      • 0.040% fail on Condition (5 times worse than other 2012 cars)
    • 0.28% fail on Coil springs (83% better than other 2012 cars)
      • 0.28% fail on Condition (82% better than other 2012 cars)
    • 0.16% fail on Wheel bearings
      • 0.16% fail on Front
    • 0.12% fail on Front suspension joints
    • 0.060% fail on Anti-roll bars (84% better than other 2012 cars)
      • 0.060% fail on Linkage pins/bushes/ball joints (79% better than other 2012 cars)
    • 0.060% fail on Shock absorbers (88% better than other 2012 cars)
      • 0.060% fail on Condition (88% better than other 2012 cars)
    • 0.020% fail on Radius arms
      • 0.020% fail on Pins/bushes/ball joints
    • 0.020% fail on Torque/reaction arms
      • 0.020% fail on Pins/bushes/ball joints
  • 0.96% fail on Driver's view of the road (78% better than other 2012 cars)
    • 0.50% fail on Wipers (83% better than other 2012 cars)
    • 0.26% fail on Washers (80% better than other 2012 cars)
    • 0.22% fail on Windscreen
    • 0.020% fail on Bonnet
  • 0.60% fail on Registration plates and VIN
    • 0.60% fail on Registration plate
  • 0.28% fail on Road Wheels
    • 0.20% fail on Condition (150% worse than other 2012 cars)
    • 0.080% fail on Attachment
  • 0.14% fail on Seat Belts and Supplementary Restraint Systems (60% better than other 2012 cars)
    • 0.10% fail on Supplementary restraint systems
      • 0.080% fail on SRS Malfunction Indicator Lamp
      • 0.020% fail on Drivers airbag
    • 0.040% fail on Seat belts
      • 0.040% fail on Condition
  • 0.12% fail on Steering (69% better than other 2012 cars)
    • 0.060% fail on Steering system (82% better than other 2012 cars)
      • 0.060% fail on Track rod end (76% better than other 2012 cars)
    • 0.060% fail on Power steering
      • 0.040% fail on Other components (10 times worse than other 2012 cars)
      • 0.020% fail on Pump
  • 0.12% fail on Body, Structure and General Items
    • 0.10% fail on Doors
      • 0.10% fail on Passengers front (3 times worse than other 2012 cars)
    • 0.020% fail on Body condition
  • 0.080% fail on Exhaust, Fuel and Emissions (88% better than other 2012 cars)
    • 0.040% fail on Emissions
    • 0.020% fail on Exhaust system
    • 0.020% fail on Fuel system
      • 0.020% fail on Cap
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