Mercedes-Benz SLK MOT Results

Registered in 2004
69.8% pass rate
from 3,324 tests in 2017
(36% 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 SLK is unusually good or bad.

  • 14% fail on Suspension (31% better than other 2004 cars)
    • 8.7% fail on Coil springs (80% worse than other 2004 cars)
      • 8.6% fail on Condition (82% worse than other 2004 cars)
      • 0.060% fail on Location
    • 3.9% fail on Suspension arms
      • 3.8% fail on Pins/bushes/ball joints
      • 0.030% fail on Condition
    • 1.6% fail on Front suspension joints
    • 0.45% fail on Sub-frames
      • 0.45% fail on Condition (160% worse than other 2004 cars)
    • 0.33% fail on Wheel bearings (80% better than other 2004 cars)
      • 0.30% fail on Front (57% better than other 2004 cars)
      • 0.030% fail on Rear
    • 0.27% fail on Anti-roll bars (95% better than other 2004 cars)
      • 0.24% fail on Linkage pins/bushes/ball joints (94% better than other 2004 cars)
      • 0.030% fail on Attachment
    • 0.27% fail on Shock absorbers (81% better than other 2004 cars)
      • 0.27% fail on Condition (81% better than other 2004 cars)
    • 0.24% fail on Prescribed areas (83% better than other 2004 cars)
      • 0.21% fail on Component mounting (81% better than other 2004 cars)
      • 0.030% fail on Spring mounting
    • 0.090% fail on Macpherson strut
      • 0.090% fail on Condition
    • 0.060% fail on Torque/reaction arms
      • 0.060% fail on Pins/bushes/ball joints
    • 0.030% fail on Bonded suspension
      • 0.030% fail on Condition
    • 0.030% fail on Tie bars/rods
      • 0.030% fail on Attachment
  • 10% fail on Lamps, Reflectors and Electrical Equipment (60% better than other 2004 cars)
    • 2.9% fail on Headlamp aim (59% better than other 2004 cars)
    • 2.4% fail on Stop lamp (55% better than other 2004 cars)
    • 1.7% fail on Headlamps (65% better than other 2004 cars)
      • 1.5% fail on Headlamp (67% better than other 2004 cars)
      • 0.090% fail on Headlamp defects which do require an aim check on retest
        • 0.030% fail on Headlamp levelling device
        • 0.030% fail on Headlamp cleaning device
        • 0.030% fail on Main beam 'tell-tale'
      • 0.060% fail on Headlamp defects which don't require an aim check on retest
        • 0.060% fail on Headlamp levelling device
      • 0.030% fail on Switch
    • 1.6% fail on Direction indicators (49% better than other 2004 cars)
      • 1.6% fail on Flashing type (49% better than other 2004 cars)
        • 1.2% fail on Individual lamps (36% better than other 2004 cars)
        • 0.24% fail on All direction indicators
        • 0.18% fail on Side repeaters (83% better than other 2004 cars)
    • 1.5% fail on Position lamps (78% better than other 2004 cars)
      • 0.87% fail on Front lamps (84% better than other 2004 cars)
      • 0.51% fail on Rear lamps (68% better than other 2004 cars)
      • 0.090% fail on All position lamps
    • 1.3% fail on Registration plate lamp (80% better than other 2004 cars)
    • 0.39% fail on Rear fog lamp (69% better than other 2004 cars)
      • 0.36% fail on Fog lamp (71% better than other 2004 cars)
      • 0.030% fail on Tell tale
      • 0.030% fail on Switch
    • 0.12% fail on Battery (85% better than other 2004 cars)
    • 0.090% fail on Headlamp aim not tested
    • 0.060% fail on Horn (90% better than other 2004 cars)
    • 0.030% fail on Hazard warning
      • 0.030% fail on Switch
  • 6.1% fail on Brakes (59% better than other 2004 cars)
    • 2.5% fail on Brake performance (67% better than other 2004 cars)
      • 0.93% fail on Parking brake performance (78% better than other 2004 cars)
      • 0.84% fail on Front wheels (56% better than other 2004 cars)
      • 0.72% fail on Rear wheels (80% better than other 2004 cars)
      • 0.33% fail on Brake imbalance
      • 0.12% fail on Service brake performance
      • 0.060% fail on Brake performance not tested
    • 2.2% fail on Hydraulic systems (57% better than other 2004 cars)
      • 2.1% fail on Components (56% better than other 2004 cars)
        • 2.0% fail on Pipes (46% better than other 2004 cars)
        • 0.090% fail on Hoses (91% better than other 2004 cars)
        • 0.030% fail on Reservoirs
      • 0.18% fail on Leaks
      • 0.090% fail on Operation
      • 0.030% fail on Brake fluid warning lamp
    • 1.2% fail on Hub components (64% better than other 2004 cars)
      • 0.93% fail on Brake pads (64% better than other 2004 cars)
      • 0.24% fail on Brake discs (75% better than other 2004 cars)
      • 0.060% fail on Brake calipers
    • 0.60% fail on Parking brake
      • 0.60% fail on Condition
    • 0.48% fail on Electronic stability system (120% worse than other 2004 cars)
    • 0.27% fail on ABS (72% better than other 2004 cars)
    • 0.060% fail on Restricted movement (79% better than other 2004 cars)
  • 5.9% fail on Tyres (34% better than other 2004 cars)
    • 3.3% fail on Condition
    • 2.6% fail on Tread depth (53% better than other 2004 cars)
    • 0.18% fail on Valve stem
    • 0.12% fail on Tyre pressure monitoring system
    • 0.090% fail on Size/type
  • 3.4% fail on Driver's view of the road (61% better than other 2004 cars)
    • 2.1% fail on Wipers (57% better than other 2004 cars)
    • 1.1% fail on Washers (70% better than other 2004 cars)
    • 0.30% fail on Windscreen
    • 0.090% fail on Bonnet
    • 0.060% fail on Mirrors (82% better than other 2004 cars)
  • 2.3% fail on Exhaust, Fuel and Emissions (64% better than other 2004 cars)
    • 1.3% fail on Exhaust system (66% better than other 2004 cars)
    • 0.96% fail on Emissions (64% better than other 2004 cars)
    • 0.15% fail on Fuel system (76% better than other 2004 cars)
      • 0.090% fail on Cap
      • 0.060% fail on System
    • 0.090% fail on Emissions not tested (85% better than other 2004 cars)
  • 1.8% fail on Steering (62% better than other 2004 cars)
    • 1.7% fail on Steering system (60% better than other 2004 cars)
      • 1.1% fail on Track rod end (66% better than other 2004 cars)
      • 0.27% fail on Steering damper (99 times worse than other 2004 cars)
      • 0.15% fail on Steering rack (80% better than other 2004 cars)
      • 0.15% fail on Ball joint
      • 0.030% fail on Free play
        • 0.030% fail on Steering rack
      • 0.030% fail on Steering box
      • 0.030% fail on Steering arm
    • 0.060% fail on Power steering (84% better than other 2004 cars)
      • 0.030% fail on Electronic power steering
      • 0.030% fail on Rams
    • 0.030% fail on Steering control
      • 0.030% fail on Steering column
  • 1.4% fail on Seat Belts and Supplementary Restraint Systems (55% better than other 2004 cars)
    • 1.3% fail on Supplementary restraint systems
      • 1.3% fail on SRS Malfunction Indicator Lamp
    • 0.060% fail on Seat belts (96% better than other 2004 cars)
      • 0.060% fail on Condition (88% better than other 2004 cars)
  • 0.57% fail on Registration plates and VIN
    • 0.57% fail on Registration plate
  • 0.30% fail on Road Wheels
    • 0.21% fail on Attachment
    • 0.090% fail on Condition
  • 0.15% fail on Body, Structure and General Items (91% better than other 2004 cars)
    • 0.060% fail on Body condition (91% better than other 2004 cars)
    • 0.030% fail on Vehicle structure
      • 0.030% fail on Chassis
    • 0.030% fail on Doors
      • 0.030% fail on Passengers front
    • 0.030% fail on Load security
      • 0.030% fail on Access panel
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