Mercedes-Benz SLK MOT Results

Registered in 2014
85.6% pass rate
from 4,845 tests in 2020
(33% better than other 2014 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 2014 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 7.0% fail on Tyres (43% worse than other 2014 cars)
    • 4.6% fail on Condition (100% worse than other 2014 cars)
    • 2.8% fail on Tread depth (2.4% worse than other 2014 cars)
    • 0.062% fail on Size/type (24% better than other 2014 cars)
  • 2.2% fail on Lamps, reflectors and electrical equipment (61% better than other 2014 cars)
    • 1.3% fail on Headlamp aim (29% better than other 2014 cars)
      • 1.3% fail on Headlamp aim (27% better than other 2014 cars)
      • 0.062% fail on Headlamp aim not tested (56% better than other 2014 cars)
    • 0.58% fail on Headlamps (61% better than other 2014 cars)
      • 0.58% fail on Headlamp (59% better than other 2014 cars)
    • 0.23% fail on Direction indicators (50% better than other 2014 cars)
      • 0.23% fail on Flashing type (50% better than other 2014 cars)
        • 0.21% fail on Side repeaters (34% better than other 2014 cars)
        • 0.021% fail on Individual direction indicators
    • 0.10% fail on Electrical equipment (50% better than other 2014 cars)
      • 0.083% fail on Horn (50% better than other 2014 cars)
      • 0.021% fail on Electrical wiring
    • 0.083% fail on Front and rear fog lamps (65% better than other 2014 cars)
      • 0.083% fail on Rear fog lamp (65% better than other 2014 cars)
        • 0.083% fail on Rear fog lamp (64% better than other 2014 cars)
    • 0.062% fail on Stop lamp (95% better than other 2014 cars)
    • 0.021% fail on Mandatory tell-tales
      • 0.021% fail on Rear fog lamp tell-tale
  • 2.2% fail on Suspension (38% better than other 2014 cars)
    • 1.5% fail on Springs (5.5% better than other 2014 cars)
      • 1.5% fail on Coil springs (5.5% better than other 2014 cars)
        • 1.5% fail on Coil spring (5.3% better than other 2014 cars)
    • 0.43% fail on Anti-roll bars (29% worse than other 2014 cars)
      • 0.21% fail on Ball joint dust cover (3 times worse than other 2014 cars)
      • 0.17% fail on Linkage ball joint dust cover (92% worse than other 2014 cars)
      • 0.041% fail on Anti-roll bar (6 times worse than other 2014 cars)
      • 0.021% fail on Linkage
    • 0.23% fail on Suspension arms (79% better than other 2014 cars)
      • 0.12% fail on Pins and bushes (75% better than other 2014 cars)
      • 0.083% fail on Ball joint (84% better than other 2014 cars)
      • 0.021% fail on Suspension arm
    • 0.12% fail on Shock absorbers (75% better than other 2014 cars)
    • 0.021% fail on Wheel bearings
  • 1.3% fail on Brakes (69% better than other 2014 cars)
    • 0.56% fail on Mechanical brake components (79% better than other 2014 cars)
      • 0.45% fail on Brake linings and pads (79% better than other 2014 cars)
        • 0.45% fail on Brake pads (79% better than other 2014 cars)
      • 0.19% fail on Brake discs and drums (74% better than other 2014 cars)
        • 0.19% fail on Brake discs (74% better than other 2014 cars)
    • 0.50% fail on ABS / EBS / ESC (2 times worse than other 2014 cars)
      • 0.41% fail on Anti-lock braking system (3 times worse than other 2014 cars)
      • 0.27% fail on Electronic stability control (2 times worse than other 2014 cars)
      • 0.021% fail on Electronic braking system
    • 0.29% fail on Brake performance (77% better than other 2014 cars)
      • 0.21% fail on Service brake performance (72% better than other 2014 cars)
        • 0.19% fail on Rbt (74% better than other 2014 cars)
          • 0.17% fail on Service brake performance (72% better than other 2014 cars)
          • 0.041% fail on Service brake imbalance (70% better than other 2014 cars)
        • 0.021% fail on Decelerometer
          • 0.021% fail on Service brake performance
      • 0.083% fail on Service Brake Efficiency (sp) (39% better than other 2014 cars)
        • 0.062% fail on Rbt (sp) (51% better than other 2014 cars)
          • 0.041% fail on Service brake imbalance (51% better than other 2014 cars)
          • 0.021% fail on Service brake performance
        • 0.021% fail on Decelerometer (sp)
      • 0.041% fail on Brake performance not tested (19% better than other 2014 cars)
  • 0.85% fail on Visibility (79% better than other 2014 cars)
    • 0.47% fail on Washers (66% better than other 2014 cars)
    • 0.31% fail on Wipers (88% better than other 2014 cars)
    • 0.041% fail on Condition of glass (32% better than other 2014 cars)
      • 0.041% fail on Windscreen (31% better than other 2014 cars)
    • 0.021% fail on Driver's view
  • 0.39% fail on Identification of the vehicle (82% worse than other 2014 cars)
    • 0.39% fail on Registration plates (83% worse than other 2014 cars)
  • 0.29% fail on Noise, emissions and leaks (74% better than other 2014 cars)
    • 0.27% fail on Exhaust emissions (75% better than other 2014 cars)
      • 0.17% fail on Spark ignition (73% better than other 2014 cars)
        • 0.17% fail on Malfunction indicator lamp (56% better than other 2014 cars)
        • 0.021% fail on Emissions not tested
      • 0.10% fail on Compression ignition (79% better than other 2014 cars)
        • 0.083% fail on Malfunction indicator lamp (62% better than other 2014 cars)
        • 0.021% fail on Emissions not tested
    • 0.021% fail on Fluid leaks
      • 0.021% fail on Engine oil leaks
  • 0.21% fail on Road Wheels (7.6% better than other 2014 cars)
    • 0.14% fail on Condition (170% worse than other 2014 cars)
    • 0.062% fail on Attachment (64% better than other 2014 cars)
  • 0.19% fail on Seat belts and supplementary restraint systems (47% better than other 2014 cars)
    • 0.17% fail on SRS malfunction indicator lamp (5.4% better than other 2014 cars)
    • 0.021% fail on Seat belts
      • 0.021% fail on Condition
  • 0.062% fail on Steering (88% better than other 2014 cars)
    • 0.041% fail on Steering linkage components (90% better than other 2014 cars)
      • 0.021% fail on Drag link end
      • 0.021% fail on Track rod end
    • 0.021% fail on Power steering
      • 0.021% fail on Pipes and hoses
  • 0.041% fail on Body, chassis, structure (97% better than other 2014 cars)
    • 0.021% fail on Bumpers
    • 0.021% fail on Body
      • 0.021% fail on Other body component
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