Mercedes-Benz SLK MOT Results

Registered in 1999
68.2% pass rate
from 2,480 tests in 2017
(35% 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 SLK is unusually good or bad.

  • 18% fail on Lamps, Reflectors and Electrical Equipment (24% better than other 1999 cars)
    • 6.1% fail on Stop lamp
    • 5.9% fail on Direction indicators (110% worse than other 1999 cars)
      • 5.9% fail on Flashing type (110% worse than other 1999 cars)
        • 2.4% fail on Individual lamps
        • 2.4% fail on Side repeaters (2 times worse than other 1999 cars)
        • 1.9% fail on All direction indicators (4 times worse than other 1999 cars)
        • 0.12% fail on Switch
        • 0.081% fail on Tell tales
    • 4.4% fail on Headlamp aim (35% better than other 1999 cars)
    • 3.5% fail on Position lamps (44% better than other 1999 cars)
      • 2.2% fail on Front lamps (54% better than other 1999 cars)
      • 1.5% fail on Rear lamps
    • 2.6% fail on Headlamps (38% better than other 1999 cars)
      • 2.5% fail on Headlamp (39% better than other 1999 cars)
      • 0.081% fail on Headlamp defects which don't require an aim check on retest
        • 0.081% fail on Headlamp cleaning device
        • 0.040% fail on Headlamp levelling device
      • 0.040% fail on Switch
    • 1.4% fail on Hazard warning (3 times worse than other 1999 cars)
      • 1.0% fail on Lamp (7 times worse than other 1999 cars)
      • 0.28% fail on Switch
      • 0.081% fail on Tell tale
    • 1.3% fail on Registration plate lamp (77% better than other 1999 cars)
    • 0.93% fail on Rear fog lamp (40% better than other 1999 cars)
      • 0.89% fail on Fog lamp
      • 0.040% fail on Tell tale
    • 0.73% fail on Battery
    • 0.52% fail on Horn
    • 0.040% fail on Headlamp aim not tested
  • 8.3% fail on Brakes (52% better than other 1999 cars)
    • 4.0% fail on Hydraulic systems (41% better than other 1999 cars)
      • 3.9% fail on Components (37% better than other 1999 cars)
        • 3.3% fail on Pipes
        • 0.73% fail on Hoses (60% better than other 1999 cars)
      • 0.28% fail on Leaks
      • 0.040% fail on Operation
    • 2.3% fail on Brake performance (76% better than other 1999 cars)
      • 0.81% fail on Front wheels (75% better than other 1999 cars)
      • 0.77% fail on Rear wheels (82% better than other 1999 cars)
      • 0.65% fail on Parking brake performance (86% better than other 1999 cars)
      • 0.36% fail on Brake imbalance
      • 0.16% fail on Service brake performance (88% better than other 1999 cars)
      • 0.12% fail on Brake performance not tested
      • 0.040% fail on Brake operation
    • 1.7% fail on Hub components (41% better than other 1999 cars)
      • 1.4% fail on Brake pads
      • 0.16% fail on Brake discs (79% better than other 1999 cars)
      • 0.12% fail on Brake calipers
      • 0.081% fail on Brake linings (4 times worse than other 1999 cars)
    • 1.1% fail on ABS
    • 0.44% fail on Electronic stability system (160% worse than other 1999 cars)
    • 0.32% fail on Parking brake (68% better than other 1999 cars)
      • 0.32% fail on Condition (68% better than other 1999 cars)
    • 0.12% fail on Restricted movement
    • 0.040% fail on Service brake control components
      • 0.040% fail on Pedal
        • 0.040% fail on Condition
    • 0.040% fail on Air and vacuum systems
      • 0.040% fail on Pressure/vacuum build up
  • 6.3% fail on Suspension (71% better than other 1999 cars)
    • 2.7% fail on Coil springs
      • 2.6% fail on Condition
      • 0.081% fail on Location
    • 1.6% fail on Front suspension joints
    • 1.0% fail on Suspension arms (75% better than other 1999 cars)
      • 0.85% fail on Pins/bushes/ball joints (78% better than other 1999 cars)
      • 0.16% fail on Condition
      • 0.040% fail on Attachment
    • 0.77% fail on Wheel bearings (59% better than other 1999 cars)
      • 0.77% fail on Front
    • 0.44% fail on Anti-roll bars (91% better than other 1999 cars)
      • 0.28% fail on Pins/bushes/ball joints (70% better than other 1999 cars)
      • 0.081% fail on Linkage pins/bushes/ball joints (98% better than other 1999 cars)
      • 0.081% fail on Attachment
    • 0.24% fail on Prescribed areas (96% better than other 1999 cars)
      • 0.20% fail on Component mounting (96% better than other 1999 cars)
      • 0.040% fail on Subframe mounting
    • 0.081% fail on Shock absorbers (95% better than other 1999 cars)
      • 0.081% fail on Condition (95% better than other 1999 cars)
    • 0.040% fail on Trailing arms
      • 0.040% fail on Condition
    • 0.040% fail on Torque/reaction arms
      • 0.040% fail on Condition
    • 0.040% fail on Sub-frames
      • 0.040% fail on Condition
  • 6.2% fail on Driver's view of the road (33% better than other 1999 cars)
    • 3.5% fail on Washers
    • 2.9% fail on Wipers (47% better than other 1999 cars)
    • 0.20% fail on Windscreen
    • 0.20% fail on Mirrors
    • 0.081% fail on Bonnet
  • 5.4% fail on Tyres (34% better than other 1999 cars)
    • 2.9% fail on Tread depth (40% better than other 1999 cars)
    • 2.5% fail on Condition (30% better than other 1999 cars)
    • 0.16% fail on Size/type
    • 0.040% fail on Valve stem
  • 4.1% fail on Exhaust, Fuel and Emissions (64% better than other 1999 cars)
    • 1.7% fail on Exhaust system (66% better than other 1999 cars)
    • 1.6% fail on Emissions (77% better than other 1999 cars)
    • 1.1% fail on Fuel system
      • 0.65% fail on Pipe (2 times worse than other 1999 cars)
      • 0.24% fail on Cap
      • 0.16% fail on System
      • 0.040% fail on Tank
    • 0.24% fail on Emissions not tested (78% better than other 1999 cars)
  • 1.7% fail on Steering (63% better than other 1999 cars)
    • 1.6% fail on Steering system (58% better than other 1999 cars)
      • 0.93% fail on Track rod end (59% better than other 1999 cars)
      • 0.24% fail on Ball joint
      • 0.20% fail on Steering damper (9 times worse than other 1999 cars)
      • 0.12% fail on Other components
        • 0.12% fail on Steering pivot point
      • 0.081% fail on Drag link end
      • 0.040% fail on Free play
        • 0.040% fail on Steering box
      • 0.040% fail on Steering box
    • 0.081% fail on Steering control
      • 0.081% fail on Steering column
  • 1.3% fail on Seat Belts and Supplementary Restraint Systems (77% better than other 1999 cars)
    • 1.2% fail on Supplementary restraint systems
      • 1.2% fail on SRS Malfunction Indicator Lamp
      • 0.040% fail on Drivers airbag
    • 0.040% fail on Seat belts
      • 0.040% fail on Condition
  • 0.56% fail on Body, Structure and General Items (87% better than other 1999 cars)
    • 0.16% fail on Vehicle structure (86% better than other 1999 cars)
      • 0.16% fail on Chassis (86% better than other 1999 cars)
    • 0.16% fail on Body condition (92% better than other 1999 cars)
    • 0.081% fail on Doors (88% better than other 1999 cars)
      • 0.081% fail on Passengers front
    • 0.081% fail on Load security
      • 0.081% fail on Access panel (4 times worse than other 1999 cars)
    • 0.040% fail on Body security
    • 0.040% fail on Seats
      • 0.040% fail on Drivers
  • 0.56% fail on Registration plates and VIN (56% better than other 1999 cars)
    • 0.56% fail on Registration plate (56% better than other 1999 cars)
  • 0.16% fail on Road Wheels
    • 0.12% fail on Attachment
    • 0.040% fail on Condition

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