Mercedes-Benz SLK MOT Results

Registered in 2015
87.5% pass rate
from 4,660 tests in 2020
(23% better than other 2015 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 2015 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 6.7% fail on Tyres (75% worse than other 2015 cars)
    • 4.9% fail on Condition (170% worse than other 2015 cars)
    • 2.0% fail on Tread depth
    • 0.086% fail on Tyre pressure monitoring system
    • 0.021% fail on Size/type
  • 2.3% fail on Lamps, reflectors and electrical equipment (44% better than other 2015 cars)
    • 1.7% fail on Headlamp aim
      • 1.7% fail on Headlamp aim
      • 0.021% fail on Headlamp aim not tested
    • 0.24% fail on Headlamps (67% better than other 2015 cars)
      • 0.24% fail on Headlamp (63% better than other 2015 cars)
    • 0.13% fail on Direction indicators
      • 0.13% fail on Flashing type
        • 0.13% fail on Side repeaters
    • 0.11% fail on Electrical equipment
      • 0.11% fail on Horn
    • 0.086% fail on Stop lamp (86% better than other 2015 cars)
    • 0.043% fail on Registration plate lamp(s) (90% better than other 2015 cars)
  • 0.92% fail on Visibility (76% better than other 2015 cars)
    • 0.41% fail on Wipers (85% better than other 2015 cars)
    • 0.39% fail on Washers (64% better than other 2015 cars)
    • 0.064% fail on Condition of glass
      • 0.064% fail on Windscreen
    • 0.043% fail on Driver's view
    • 0.021% fail on View to rear
      • 0.021% fail on Mirrors
  • 0.62% fail on Identification of the vehicle (180% worse than other 2015 cars)
    • 0.62% fail on Registration plates (180% worse than other 2015 cars)
  • 0.56% fail on Suspension (57% better than other 2015 cars)
    • 0.19% fail on Springs (57% better than other 2015 cars)
      • 0.19% fail on Coil springs (57% better than other 2015 cars)
        • 0.19% fail on Coil spring (56% better than other 2015 cars)
    • 0.19% fail on Suspension arms
      • 0.13% fail on Ball joint
      • 0.043% fail on Ball joint dust cover
      • 0.021% fail on Suspension arm
    • 0.086% fail on Shock absorbers (70% better than other 2015 cars)
    • 0.043% fail on Anti-roll bars
      • 0.021% fail on Anti-roll bar
      • 0.021% fail on Linkage
      • 0.021% fail on Linkage ball joints
    • 0.021% fail on Wheel bearings
    • 0.021% fail on Sub-frames
      • 0.021% fail on Sub-frame
    • 0.021% fail on Air/gas/fluid suspension
      • 0.021% fail on Suspension unit
  • 0.52% fail on Brakes (81% better than other 2015 cars)
    • 0.21% fail on Mechanical brake components (89% better than other 2015 cars)
      • 0.17% fail on Brake linings and pads (90% better than other 2015 cars)
        • 0.17% fail on Brake pads (90% better than other 2015 cars)
      • 0.064% fail on Brake discs and drums (81% better than other 2015 cars)
        • 0.064% fail on Brake discs (81% better than other 2015 cars)
    • 0.13% fail on Brake performance (79% better than other 2015 cars)
      • 0.064% fail on Service Brake Efficiency (sp)
        • 0.064% fail on Rbt (sp)
          • 0.064% fail on Service brake performance
      • 0.043% fail on Service brake performance (88% better than other 2015 cars)
        • 0.043% fail on Rbt (88% better than other 2015 cars)
          • 0.043% fail on Service brake performance (85% better than other 2015 cars)
      • 0.043% fail on Parking brake efficiency (sp)
        • 0.043% fail on Rbt (sp)
    • 0.064% fail on ABS / EBS / ESC
      • 0.043% fail on Electronic stability control
      • 0.021% fail on Anti-lock braking system
    • 0.043% fail on Flexible brake hoses
    • 0.021% fail on Hydraulic systems
      • 0.021% fail on Reservoirs
    • 0.021% fail on Rigid brake pipes
    • 0.021% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.021% fail on Hydraulic brake callipers
  • 0.26% fail on Road Wheels
    • 0.15% fail on Condition (2 times worse than other 2015 cars)
    • 0.11% fail on Attachment
  • 0.19% fail on Seat belts and supplementary restraint systems
    • 0.15% fail on SRS malfunction indicator lamp
    • 0.021% fail on Seat belts
      • 0.021% fail on Condition
    • 0.021% fail on Airbags
      • 0.021% fail on Passengers airbag
  • 0.15% fail on Steering
    • 0.13% fail on Power steering (27 times worse than other 2015 cars)
      • 0.086% fail on Pump (186 times worse than other 2015 cars)
      • 0.064% fail on Operation (45 times worse than other 2015 cars)
      • 0.021% fail on Other components
    • 0.021% fail on Steering gear
      • 0.021% fail on Steering rack
  • 0.15% fail on Noise, emissions and leaks (76% better than other 2015 cars)
    • 0.13% fail on Exhaust emissions (78% better than other 2015 cars)
      • 0.13% fail on Compression ignition
        • 0.13% fail on Malfunction indicator lamp
    • 0.021% fail on Fluid leaks
      • 0.021% fail on Other leaks
  • 0.021% fail on Body, chassis, structure
    • 0.021% fail on Exhaust system
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