Mercedes-Benz SLK MOT Results

Registered in 2015
87.2% pass rate
from 4,970 tests in 2021
(37% 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.

  • 5.1% fail on Tyres (18% worse than other 2015 cars)
    • 3.2% fail on Condition (47% worse than other 2015 cars)
    • 2.2% fail on Tread depth
    • 0.040% fail on Size/type
  • 2.0% fail on Suspension (38% better than other 2015 cars)
    • 1.1% fail on Springs (31% better than other 2015 cars)
      • 1.1% fail on Coil springs (31% better than other 2015 cars)
        • 1.1% fail on Coil spring (31% better than other 2015 cars)
    • 0.58% fail on Suspension arms (39% better than other 2015 cars)
      • 0.32% fail on Ball joint
      • 0.14% fail on Ball joint dust cover
      • 0.12% fail on Pins and bushes (70% better than other 2015 cars)
    • 0.22% fail on Anti-roll bars
      • 0.080% fail on Linkage ball joints
      • 0.080% fail on Linkage ball joint dust cover
      • 0.040% fail on Linkage
      • 0.040% fail on Ball joint dust cover
    • 0.060% fail on Wheel bearings
    • 0.060% fail on Shock absorbers (74% better than other 2015 cars)
  • 1.8% fail on Lamps, reflectors and electrical equipment (59% better than other 2015 cars)
    • 1.4% fail on Headlamp aim
      • 1.4% fail on Headlamp aim
    • 0.20% fail on Headlamps (81% better than other 2015 cars)
      • 0.18% fail on Headlamp (81% better than other 2015 cars)
      • 0.020% fail on Headlamp cleaning device
    • 0.20% fail on Direction indicators
      • 0.20% fail on Flashing type
        • 0.16% fail on Side repeaters
        • 0.040% fail on Individual direction indicators
    • 0.040% fail on Electrical equipment
      • 0.040% fail on Horn
    • 0.020% fail on Stop lamp
    • 0.020% fail on Front and rear fog lamps
      • 0.020% fail on Rear fog lamp
        • 0.020% fail on Rear fog lamp
    • 0.020% fail on Registration plate lamp(s)
  • 1.0% fail on Brakes (71% better than other 2015 cars)
    • 0.46% fail on ABS / EBS / ESC (2 times worse than other 2015 cars)
      • 0.44% fail on Anti-lock braking system (5 times worse than other 2015 cars)
      • 0.16% fail on Electronic stability control
    • 0.36% fail on Mechanical brake components (84% better than other 2015 cars)
      • 0.24% fail on Brake linings and pads (87% better than other 2015 cars)
        • 0.24% fail on Brake pads (87% better than other 2015 cars)
      • 0.18% fail on Brake discs and drums (70% better than other 2015 cars)
        • 0.18% fail on Brake discs (70% better than other 2015 cars)
    • 0.16% fail on Brake performance (85% better than other 2015 cars)
      • 0.14% fail on Service brake performance (77% better than other 2015 cars)
        • 0.12% fail on Rbt (80% better than other 2015 cars)
          • 0.10% fail on Service brake performance (80% better than other 2015 cars)
          • 0.020% fail on Service brake imbalance
        • 0.020% fail on Plate brake tester
          • 0.020% fail on Service brake performance
      • 0.020% fail on Service Brake Efficiency (sp)
        • 0.020% fail on Rbt (sp)
          • 0.020% fail on Service brake imbalance
    • 0.060% fail on Flexible brake hoses
    • 0.020% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.020% fail on Hydraulic brake callipers
  • 1.0% fail on Visibility (74% better than other 2015 cars)
    • 0.60% fail on Washers (56% better than other 2015 cars)
    • 0.38% fail on Wipers (85% better than other 2015 cars)
    • 0.020% fail on Condition of glass
      • 0.020% fail on Windscreen
  • 0.50% fail on Identification of the vehicle (130% worse than other 2015 cars)
    • 0.50% fail on Registration plates (130% worse than other 2015 cars)
  • 0.42% fail on Noise, emissions and leaks (63% better than other 2015 cars)
    • 0.40% fail on Exhaust emissions (63% better than other 2015 cars)
      • 0.20% fail on Spark ignition (69% better than other 2015 cars)
        • 0.18% fail on Malfunction indicator lamp (56% better than other 2015 cars)
        • 0.020% fail on Catalyst emissions
      • 0.20% fail on Compression ignition (56% better than other 2015 cars)
        • 0.18% fail on Malfunction indicator lamp
        • 0.020% fail on On or after 01/01/2014
    • 0.020% fail on Fluid leaks
      • 0.020% fail on Transmission oil leaks
  • 0.24% fail on Road Wheels
    • 0.22% fail on Condition (3 times worse than other 2015 cars)
    • 0.020% fail on Attachment
  • 0.16% fail on Seat belts and supplementary restraint systems (58% better than other 2015 cars)
    • 0.12% fail on SRS malfunction indicator lamp
    • 0.040% fail on Seat belts (80% better than other 2015 cars)
      • 0.020% fail on Condition
      • 0.020% fail on Pre-tensioners
  • 0.10% fail on Steering (75% better than other 2015 cars)
    • 0.060% fail on Power steering (6 times worse than other 2015 cars)
      • 0.040% fail on Operation (8 times worse than other 2015 cars)
      • 0.040% fail on Pump (157 times worse than other 2015 cars)
      • 0.020% fail on Pipes and hoses
    • 0.040% fail on Steering linkage components (88% better than other 2015 cars)
      • 0.020% fail on Track rod end
      • 0.020% fail on Steering arm
  • 0.040% fail on Body, chassis, structure (96% better than other 2015 cars)
    • 0.020% fail on Fuel system
      • 0.020% fail on Hose
    • 0.020% fail on Body
      • 0.020% fail on Other body component
  • 0.020% fail on Seat belt installation check
    • 0.020% fail on Anchorages
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