Mercedes-Benz SLK MOT Results

Registered in 2008
70.0% pass rate
from 3,304 tests in 2021
(26% better than other 2008 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 2008 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 16% fail on Suspension
    • 9.1% fail on Springs (52% worse than other 2008 cars)
      • 9.0% fail on Coil springs (52% worse than other 2008 cars)
        • 9.0% fail on Coil spring (53% worse than other 2008 cars)
        • 0.030% fail on Mounting
      • 0.030% fail on Spring mounting prescribed areas
    • 6.4% fail on Suspension arms (30% worse than other 2008 cars)
      • 4.8% fail on Ball joint (140% worse than other 2008 cars)
      • 1.1% fail on Ball joint dust cover (61% worse than other 2008 cars)
      • 0.85% fail on Pins and bushes (63% better than other 2008 cars)
    • 0.76% fail on Sub-frames (72% worse than other 2008 cars)
      • 0.54% fail on Sub-frame (160% worse than other 2008 cars)
      • 0.21% fail on Sub-frame mounting prescribed areas
    • 0.54% fail on Anti-roll bars (87% better than other 2008 cars)
      • 0.21% fail on Linkage ball joint dust cover (85% better than other 2008 cars)
      • 0.15% fail on Ball joint dust cover (76% better than other 2008 cars)
      • 0.061% fail on Ball joint (86% better than other 2008 cars)
      • 0.030% fail on Anti-roll bar
      • 0.030% fail on Pins and bushes
      • 0.030% fail on Linkage
      • 0.030% fail on Linkage ball joints
    • 0.45% fail on Shock absorbers (55% better than other 2008 cars)
    • 0.27% fail on Other suspension component
      • 0.21% fail on Ball joint
      • 0.030% fail on Other suspension component
      • 0.030% fail on Ball joint dust cover
    • 0.15% fail on Wheel bearings (83% better than other 2008 cars)
    • 0.12% fail on Component mounting prescribed areas (82% better than other 2008 cars)
    • 0.030% fail on Suspension rods
      • 0.030% fail on Ball joint dust cover
  • 7.9% fail on Brakes (22% better than other 2008 cars)
    • 4.3% fail on Brake performance (19% better than other 2008 cars)
      • 2.4% fail on Parking brake efficiency (sp)
        • 2.4% fail on Rbt (sp)
      • 1.5% fail on Service brake performance (43% better than other 2008 cars)
        • 1.5% fail on Rbt (42% better than other 2008 cars)
          • 1.2% fail on Service brake performance (43% better than other 2008 cars)
          • 0.24% fail on Service brake imbalance
      • 0.67% fail on Parking brake performance
        • 0.67% fail on Rbt
          • 0.51% fail on Parking brake performance (45% better than other 2008 cars)
          • 0.091% fail on Parking (secondary brake performance)
          • 0.061% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.39% fail on Service Brake Efficiency (sp)
        • 0.39% fail on Rbt (sp)
          • 0.24% fail on Service brake performance
          • 0.18% fail on Service brake imbalance (66% better than other 2008 cars)
      • 0.15% fail on Brake performance not tested
    • 3.1% fail on Rigid brake pipes (120% worse than other 2008 cars)
    • 1.1% fail on Mechanical brake components (65% better than other 2008 cars)
      • 0.67% fail on Brake linings and pads (69% better than other 2008 cars)
        • 0.67% fail on Brake pads (69% better than other 2008 cars)
      • 0.48% fail on Brake discs and drums (60% better than other 2008 cars)
        • 0.48% fail on Brake discs (60% better than other 2008 cars)
    • 0.36% fail on ABS / EBS / ESC (60% better than other 2008 cars)
      • 0.21% fail on Electronic stability control
      • 0.15% fail on Anti-lock braking system (80% better than other 2008 cars)
    • 0.12% fail on Parking brake control (73% better than other 2008 cars)
      • 0.12% fail on Lever (69% better than other 2008 cars)
    • 0.061% fail on Hydraulic systems
      • 0.061% fail on Brake fluid
    • 0.030% fail on Service brake pedal or hand lever
      • 0.030% fail on Hand lever
    • 0.030% fail on Flexible brake hoses
  • 5.9% fail on Lamps, reflectors and electrical equipment (56% better than other 2008 cars)
    • 2.1% fail on Headlamps (43% better than other 2008 cars)
      • 1.8% fail on Headlamp (48% better than other 2008 cars)
      • 0.30% fail on Headlamp levelling device
    • 1.6% fail on Headlamp aim (54% better than other 2008 cars)
      • 1.4% fail on Headlamp aim (57% better than other 2008 cars)
      • 0.24% fail on Headlamp aim not tested
    • 1.5% fail on Direction indicators (32% better than other 2008 cars)
      • 1.5% fail on Flashing type (32% better than other 2008 cars)
        • 0.82% fail on Side repeaters
        • 0.61% fail on Individual direction indicators (56% better than other 2008 cars)
        • 0.030% fail on All direction indicators
    • 0.97% fail on Stop lamp (75% better than other 2008 cars)
    • 0.18% fail on Front and rear fog lamps (72% better than other 2008 cars)
      • 0.18% fail on Rear fog lamp (72% better than other 2008 cars)
        • 0.18% fail on Rear fog lamp (72% better than other 2008 cars)
    • 0.15% fail on Registration plate lamp(s) (93% better than other 2008 cars)
    • 0.091% fail on Electrical equipment (82% better than other 2008 cars)
      • 0.061% fail on Horn
      • 0.030% fail on Battery(ies)
    • 0.061% fail on Position lamps
      • 0.061% fail on Position lamp
    • 0.030% fail on Mandatory tell-tales
      • 0.030% fail on Main beam tell-tale
  • 4.5% fail on Tyres (31% better than other 2008 cars)
    • 2.5% fail on Tread depth (32% better than other 2008 cars)
    • 2.3% fail on Condition
    • 0.12% fail on Size/type
  • 1.9% fail on Visibility (69% better than other 2008 cars)
    • 0.97% fail on Wipers (67% better than other 2008 cars)
    • 0.94% fail on Washers (71% better than other 2008 cars)
    • 0.061% fail on View to rear
      • 0.061% fail on Mirrors
    • 0.030% fail on Driver's view
    • 0.030% fail on Bonnet
    • 0.030% fail on Condition of glass
      • 0.030% fail on Windscreen
  • 1.4% fail on Noise, emissions and leaks (75% better than other 2008 cars)
    • 1.3% fail on Exhaust emissions (75% better than other 2008 cars)
      • 1.3% fail on Spark ignition (64% better than other 2008 cars)
        • 0.82% fail on Malfunction indicator lamp (51% better than other 2008 cars)
        • 0.48% fail on Catalyst emissions (72% better than other 2008 cars)
        • 0.030% fail on Emissions not tested
    • 0.061% fail on Fluid leaks (83% better than other 2008 cars)
      • 0.030% fail on Engine oil leaks
      • 0.030% fail on Transmission oil leaks
  • 1.1% fail on Seat belts and supplementary restraint systems
    • 1.1% fail on SRS malfunction indicator lamp
    • 0.030% fail on Seat belts
      • 0.030% fail on Condition
  • 1.1% fail on Body, chassis, structure (83% better than other 2008 cars)
    • 0.88% fail on Exhaust system (62% better than other 2008 cars)
    • 0.061% fail on Fuel system
      • 0.061% fail on Fuel cap/sealing device
    • 0.030% fail on Integral vehicle structure
      • 0.030% fail on Sub-frame
        • 0.030% fail on Sub-frame condition
    • 0.030% fail on Transmission
      • 0.030% fail on Drive shafts
        • 0.030% fail on Joints
    • 0.030% fail on Body
      • 0.030% fail on Other body component
    • 0.030% fail on Boot lid
      • 0.030% fail on Boot lid condition
  • 0.67% fail on Steering (75% better than other 2008 cars)
    • 0.61% fail on Steering linkage components (70% better than other 2008 cars)
      • 0.51% fail on Track rod end (72% better than other 2008 cars)
      • 0.091% fail on Ball joint
    • 0.030% fail on Steering gear
      • 0.030% fail on Steering rack
    • 0.030% fail on Steering play
      • 0.030% fail on Steering rack
  • 0.45% fail on Identification of the vehicle
    • 0.42% fail on Registration plates
    • 0.030% fail on Vehicle Identification Number
  • 0.21% fail on Road Wheels (60% better than other 2008 cars)
    • 0.15% fail on Attachment
    • 0.061% fail on Condition
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