Mercedes-Benz SLK MOT Results

Registered in 2009
73.9% pass rate
from 2,643 tests in 2020
(28% better than other 2009 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 2009 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 13% fail on Suspension
    • 8.1% fail on Springs (92% worse than other 2009 cars)
      • 8.1% fail on Coil springs (93% worse than other 2009 cars)
        • 8.1% fail on Coil spring (93% worse than other 2009 cars)
    • 5.0% fail on Suspension arms
      • 3.5% fail on Ball joint (77% worse than other 2009 cars)
      • 1.3% fail on Ball joint dust cover (2 times worse than other 2009 cars)
      • 0.42% fail on Pins and bushes (76% better than other 2009 cars)
      • 0.038% fail on Suspension arm
    • 0.23% fail on Anti-roll bars (94% better than other 2009 cars)
      • 0.11% fail on Linkage ball joints (91% better than other 2009 cars)
      • 0.038% fail on Attachment bracket and mounting
      • 0.038% fail on Pins and bushes
      • 0.038% fail on Linkage ball joint dust cover
    • 0.19% fail on Other suspension component
      • 0.11% fail on Ball joint
      • 0.038% fail on Pins and bushes
      • 0.038% fail on Ball joint dust cover
    • 0.15% fail on Wheel bearings (74% better than other 2009 cars)
    • 0.15% fail on Suspension rods
      • 0.11% fail on Ball joint (6 times worse than other 2009 cars)
      • 0.076% fail on Ball joint dust cover
    • 0.11% fail on Macpherson strut
      • 0.11% fail on Attachment bracket and mounting
    • 0.076% fail on Shock absorbers (95% better than other 2009 cars)
    • 0.038% fail on Sub-frames
      • 0.038% fail on Sub-frame
    • 0.038% fail on Air/gas/fluid suspension
      • 0.038% fail on Operation
  • 6.2% fail on Brakes (22% better than other 2009 cars)
    • 3.4% fail on Brake performance
      • 2.3% fail on Parking brake efficiency (sp) (47% worse than other 2009 cars)
        • 2.3% fail on Rbt (sp) (55% worse than other 2009 cars)
      • 1.1% fail on Service brake performance (49% better than other 2009 cars)
        • 1.1% fail on Rbt (48% better than other 2009 cars)
          • 0.87% fail on Service brake performance (50% better than other 2009 cars)
          • 0.23% fail on Service brake imbalance
      • 0.53% fail on Parking brake performance
        • 0.53% fail on Rbt
          • 0.34% fail on Parking brake performance
          • 0.15% fail on Parking (secondary brake performance)
          • 0.038% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.11% fail on Brake performance not tested
      • 0.076% fail on Service Brake Efficiency (sp) (83% better than other 2009 cars)
        • 0.076% fail on Rbt (sp) (83% better than other 2009 cars)
          • 0.038% fail on Service brake performance
          • 0.038% fail on Service brake imbalance
    • 1.8% fail on Rigid brake pipes (140% worse than other 2009 cars)
    • 1.1% fail on Mechanical brake components (67% better than other 2009 cars)
      • 0.87% fail on Brake linings and pads (64% better than other 2009 cars)
        • 0.87% fail on Brake pads (64% better than other 2009 cars)
      • 0.26% fail on Brake discs and drums (75% better than other 2009 cars)
        • 0.26% fail on Brake discs (75% better than other 2009 cars)
    • 0.30% fail on ABS / EBS / ESC
      • 0.15% fail on Anti-lock braking system
      • 0.15% fail on Electronic stability control
    • 0.076% fail on Service brake pedal or hand lever
      • 0.076% fail on Hand lever
    • 0.076% fail on Parking brake control (79% better than other 2009 cars)
      • 0.076% fail on Lever
    • 0.076% fail on Flexible brake hoses
    • 0.038% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.038% fail on Hydraulic brake callipers
  • 5.6% fail on Lamps, reflectors and electrical equipment (60% better than other 2009 cars)
    • 2.0% fail on Direction indicators
      • 2.0% fail on Flashing type
        • 1.0% fail on Individual direction indicators
        • 0.98% fail on Side repeaters
        • 0.076% fail on All direction indicators
    • 1.6% fail on Headlamp aim (51% better than other 2009 cars)
      • 1.4% fail on Headlamp aim (53% better than other 2009 cars)
      • 0.23% fail on Headlamp aim not tested
    • 1.3% fail on Headlamps (59% better than other 2009 cars)
      • 1.2% fail on Headlamp (60% better than other 2009 cars)
      • 0.11% fail on Headlamp levelling device
    • 0.72% fail on Stop lamp (80% better than other 2009 cars)
    • 0.68% fail on Position lamps (70% better than other 2009 cars)
      • 0.68% fail on Position lamp (69% better than other 2009 cars)
    • 0.076% fail on Front and rear fog lamps (87% better than other 2009 cars)
      • 0.076% fail on Rear fog lamp (87% better than other 2009 cars)
        • 0.076% fail on Rear fog lamp (86% better than other 2009 cars)
    • 0.076% fail on Registration plate lamp(s) (97% better than other 2009 cars)
  • 5.5% fail on Tyres
    • 3.8% fail on Condition
    • 2.1% fail on Tread depth (46% better than other 2009 cars)
    • 0.11% fail on Size/type
  • 1.5% fail on Noise, emissions and leaks (60% better than other 2009 cars)
    • 1.5% fail on Exhaust emissions (58% better than other 2009 cars)
      • 1.5% fail on Spark ignition
        • 0.83% fail on Catalyst emissions
        • 0.72% fail on Malfunction indicator lamp
        • 0.076% fail on Emissions not tested
    • 0.038% fail on Noise suppression
      • 0.038% fail on Sound deadening material
  • 1.4% fail on Visibility (74% better than other 2009 cars)
    • 0.72% fail on Washers (73% better than other 2009 cars)
    • 0.68% fail on Wipers (74% better than other 2009 cars)
    • 0.038% fail on Driver's view
    • 0.038% fail on Condition of glass
      • 0.038% fail on Windscreen
    • 0.038% fail on View to rear
      • 0.038% fail on Mirrors
  • 0.83% fail on Steering (56% better than other 2009 cars)
    • 0.76% fail on Steering linkage components (51% better than other 2009 cars)
      • 0.68% fail on Track rod end (53% better than other 2009 cars)
      • 0.076% fail on Ball joint
    • 0.038% fail on Steering gear
      • 0.038% fail on Steering rack
    • 0.038% fail on Steering play
      • 0.038% fail on Steering rack
  • 0.79% fail on Seat belts and supplementary restraint systems
    • 0.76% fail on SRS malfunction indicator lamp
    • 0.038% fail on Seat belts
      • 0.038% fail on Condition
  • 0.76% fail on Body, chassis, structure (81% better than other 2009 cars)
    • 0.64% fail on Exhaust system (61% better than other 2009 cars)
    • 0.076% fail on Transmission (95% better than other 2009 cars)
      • 0.076% fail on Drive shafts (95% better than other 2009 cars)
        • 0.076% fail on Joints (95% better than other 2009 cars)
    • 0.038% fail on Fuel system
      • 0.038% fail on Hose
    • 0.038% fail on Bumpers
  • 0.42% fail on Identification of the vehicle
    • 0.42% fail on Registration plates
  • 0.30% fail on Road Wheels
    • 0.23% fail on Attachment
    • 0.076% fail on Condition
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