Mercedes-Benz SLK MOT Results

Registered in 2014
84.9% pass rate
from 4,996 tests in 2021
(35% 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.

  • 6.0% fail on Tyres (26% worse than other 2014 cars)
    • 3.7% fail on Condition (55% worse than other 2014 cars)
    • 2.8% fail on Tread depth
    • 0.040% fail on Size/type
  • 3.7% fail on Suspension (21% better than other 2014 cars)
    • 2.3% fail on Springs
      • 2.3% fail on Coil springs
        • 2.3% fail on Coil spring
    • 0.72% fail on Suspension arms (54% better than other 2014 cars)
      • 0.34% fail on Pins and bushes (50% better than other 2014 cars)
      • 0.26% fail on Ball joint (64% better than other 2014 cars)
      • 0.20% fail on Ball joint dust cover
    • 0.72% fail on Anti-roll bars
      • 0.30% fail on Linkage ball joint dust cover (110% worse than other 2014 cars)
      • 0.14% fail on Ball joint dust cover
      • 0.12% fail on Linkage
      • 0.080% fail on Linkage ball joints
      • 0.060% fail on Anti-roll bar (7 times worse than other 2014 cars)
      • 0.040% fail on Linkage pins and bushes
      • 0.020% fail on Pins and bushes
      • 0.020% fail on Ball joint
    • 0.12% fail on Shock absorbers
    • 0.040% fail on Wheel bearings (80% better than other 2014 cars)
    • 0.040% fail on Suspension rods
      • 0.020% fail on Suspension rod
      • 0.020% fail on Pins and bushes
  • 2.1% fail on Lamps, reflectors and electrical equipment (65% better than other 2014 cars)
    • 1.3% fail on Headlamp aim (34% better than other 2014 cars)
      • 1.2% fail on Headlamp aim (32% better than other 2014 cars)
      • 0.080% fail on Headlamp aim not tested
    • 0.60% fail on Headlamps (63% better than other 2014 cars)
      • 0.60% fail on Headlamp (61% better than other 2014 cars)
    • 0.28% fail on Direction indicators (49% better than other 2014 cars)
      • 0.28% fail on Flashing type (49% better than other 2014 cars)
        • 0.22% fail on Side repeaters
        • 0.060% fail on Individual direction indicators
    • 0.12% fail on Electrical equipment
      • 0.12% fail on Horn
    • 0.080% fail on Stop lamp (94% better than other 2014 cars)
    • 0.040% fail on Registration plate lamp(s) (95% better than other 2014 cars)
    • 0.020% fail on Position lamps
      • 0.020% fail on Position 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 Reversing lamps
      • 0.020% fail on Reversing lamps
  • 1.7% fail on Brakes (59% better than other 2014 cars)
    • 0.84% fail on Mechanical brake components (66% better than other 2014 cars)
      • 0.54% fail on Brake linings and pads (72% better than other 2014 cars)
        • 0.50% fail on Brake pads (74% better than other 2014 cars)
        • 0.040% fail on Brake linings
      • 0.42% fail on Brake discs and drums (46% better than other 2014 cars)
        • 0.42% fail on Brake discs (46% better than other 2014 cars)
    • 0.62% fail on ABS / EBS / ESC (2 times worse than other 2014 cars)
      • 0.56% fail on Anti-lock braking system (3 times worse than other 2014 cars)
      • 0.32% fail on Electronic stability control (180% worse than other 2014 cars)
      • 0.020% fail on Electronic braking system
    • 0.30% fail on Brake performance (80% better than other 2014 cars)
      • 0.18% fail on Service brake performance (79% better than other 2014 cars)
        • 0.18% fail on Rbt (79% better than other 2014 cars)
          • 0.14% fail on Service brake performance (81% better than other 2014 cars)
          • 0.040% fail on Service brake imbalance
      • 0.060% fail on Parking brake efficiency (sp) (89% better than other 2014 cars)
        • 0.060% fail on Rbt (sp) (88% better than other 2014 cars)
      • 0.040% fail on Service Brake Efficiency (sp)
        • 0.040% fail on Rbt (sp)
          • 0.020% fail on Service brake performance
          • 0.020% fail on Service brake imbalance
      • 0.020% fail on Brake performance not tested
    • 0.060% fail on Parking brake control
      • 0.060% fail on Electronic parking brake
    • 0.040% fail on Hydraulic systems
      • 0.020% fail on Servos
      • 0.020% fail on Brake fluid
    • 0.020% fail on Flexible brake hoses
    • 0.020% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.020% fail on Hydraulic brake callipers
    • 0.020% fail on Other components and prescribed areas
      • 0.020% fail on Other components
  • 1.1% fail on Visibility (73% better than other 2014 cars)
    • 0.58% fail on Washers (65% better than other 2014 cars)
    • 0.48% fail on Wipers (79% better than other 2014 cars)
    • 0.060% fail on Condition of glass
      • 0.060% fail on Windscreen
  • 0.44% fail on Noise, emissions and leaks (70% better than other 2014 cars)
    • 0.42% fail on Exhaust emissions (70% better than other 2014 cars)
      • 0.28% fail on Spark ignition (66% better than other 2014 cars)
        • 0.18% fail on Malfunction indicator lamp (63% better than other 2014 cars)
        • 0.080% fail on Catalyst emissions (74% better than other 2014 cars)
        • 0.040% fail on Emissions not tested
      • 0.14% fail on Compression ignition (76% better than other 2014 cars)
        • 0.14% fail on Malfunction indicator lamp
    • 0.020% fail on Fluid leaks
      • 0.020% fail on Engine oil leaks
  • 0.38% fail on Identification of the vehicle
    • 0.38% fail on Registration plates
  • 0.24% fail on Road Wheels
    • 0.14% fail on Attachment
    • 0.10% fail on Condition
  • 0.14% fail on Body, chassis, structure (90% better than other 2014 cars)
    • 0.040% fail on Body
      • 0.040% fail on Other body component
    • 0.020% fail on Exhaust system
    • 0.020% fail on Fuel system
      • 0.020% fail on Fuel cap/sealing device
    • 0.020% fail on Bumpers
    • 0.020% fail on Transmission
      • 0.020% fail on Drive shafts
        • 0.020% fail on Joints
    • 0.020% fail on Boot lid
      • 0.020% fail on Boot lid condition
  • 0.12% fail on Seat belts and supplementary restraint systems (73% better than other 2014 cars)
    • 0.12% fail on SRS malfunction indicator lamp
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