Mercedes-Benz SLK MOT Results

Registered in 2006
72.3% pass rate
from 4,215 tests in 2020
(37% better than other 2006 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 2006 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 12% fail on Suspension (23% better than other 2006 cars)
    • 5.6% fail on Suspension arms
      • 3.6% fail on Ball joint (64% worse than other 2006 cars)
      • 1.3% fail on Pins and bushes (51% better than other 2006 cars)
      • 1.0% fail on Ball joint dust cover (56% worse than other 2006 cars)
      • 0.095% fail on Attachment bracket and mounting
    • 4.6% fail on Springs
      • 4.6% fail on Coil springs
        • 4.6% fail on Coil spring
      • 0.024% fail on Spring mounting prescribed areas
    • 2.4% fail on Sub-frames (5 times worse than other 2006 cars)
      • 2.0% fail on Sub-frame (13 times worse than other 2006 cars)
      • 0.36% fail on Sub-frame mounting prescribed areas (2 times worse than other 2006 cars)
      • 0.024% fail on Attachment bracket and mounting
    • 0.45% fail on Anti-roll bars (91% better than other 2006 cars)
      • 0.14% fail on Linkage ball joint dust cover (92% better than other 2006 cars)
      • 0.12% fail on Ball joint dust cover (86% better than other 2006 cars)
      • 0.095% fail on Pins and bushes
      • 0.047% fail on Linkage (85% better than other 2006 cars)
      • 0.047% fail on Linkage ball joints (97% better than other 2006 cars)
      • 0.024% fail on Linkage pins and bushes
    • 0.43% fail on Component mounting prescribed areas (48% better than other 2006 cars)
    • 0.33% fail on Shock absorbers (80% better than other 2006 cars)
    • 0.24% fail on Other suspension component
      • 0.17% fail on Ball joint
      • 0.047% fail on Ball joint dust cover
      • 0.024% fail on Attachment bracket and mounting
    • 0.095% fail on Wheel bearings (92% better than other 2006 cars)
    • 0.024% fail on Macpherson strut
      • 0.024% fail on Macpherson strut
    • 0.024% fail on Suspension rods
      • 0.024% fail on Pins and bushes
  • 6.7% fail on Brakes (45% better than other 2006 cars)
    • 3.4% fail on Brake performance (45% better than other 2006 cars)
      • 2.1% fail on Parking brake efficiency (sp) (41% better than other 2006 cars)
        • 2.1% fail on Rbt (sp) (38% better than other 2006 cars)
      • 1.1% fail on Service brake performance (57% better than other 2006 cars)
        • 1.1% fail on Rbt (56% better than other 2006 cars)
          • 0.85% fail on Service brake performance (60% better than other 2006 cars)
          • 0.31% fail on Service brake imbalance
      • 0.55% fail on Parking brake performance (64% better than other 2006 cars)
        • 0.52% fail on Rbt (65% better than other 2006 cars)
          • 0.31% fail on Parking brake performance (76% better than other 2006 cars)
          • 0.17% fail on Parking (secondary brake performance)
          • 0.047% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.024% fail on Decelerometer
          • 0.024% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.36% fail on Service Brake Efficiency (sp) (50% better than other 2006 cars)
        • 0.36% fail on Rbt (sp) (49% better than other 2006 cars)
          • 0.21% fail on Service brake imbalance (62% better than other 2006 cars)
          • 0.17% fail on Service brake performance
      • 0.095% fail on Brake performance not tested
    • 2.9% fail on Rigid brake pipes
    • 0.97% fail on Mechanical brake components (74% better than other 2006 cars)
      • 0.62% fail on Brake linings and pads (76% better than other 2006 cars)
        • 0.62% fail on Brake pads (75% better than other 2006 cars)
      • 0.47% fail on Brake discs and drums (64% better than other 2006 cars)
        • 0.45% fail on Brake discs (66% better than other 2006 cars)
        • 0.024% fail on Brake drums
      • 0.024% fail on Brake cables, rods, levers and linkages
        • 0.024% fail on Cable
    • 0.33% fail on ABS / EBS / ESC (70% better than other 2006 cars)
      • 0.21% fail on Electronic stability control
      • 0.12% fail on Anti-lock braking system (87% better than other 2006 cars)
    • 0.071% fail on Parking brake control (86% better than other 2006 cars)
      • 0.071% fail on Lever (83% better than other 2006 cars)
    • 0.071% fail on Hydraulic systems
      • 0.047% fail on Brake fluid
      • 0.024% fail on Reservoirs
    • 0.047% fail on Service brake pedal or hand lever (89% better than other 2006 cars)
      • 0.024% fail on Pedal
      • 0.024% fail on Hand lever
    • 0.047% fail on Flexible brake hoses (79% better than other 2006 cars)
    • 0.024% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.024% fail on Hydraulic brake callipers
  • 5.8% fail on Lamps, reflectors and electrical equipment (68% better than other 2006 cars)
    • 1.5% fail on Headlamp aim (62% better than other 2006 cars)
      • 1.4% fail on Headlamp aim (61% better than other 2006 cars)
      • 0.12% fail on Headlamp aim not tested (68% better than other 2006 cars)
    • 1.5% fail on Direction indicators (43% better than other 2006 cars)
      • 1.5% fail on Flashing type (43% better than other 2006 cars)
        • 0.97% fail on Individual direction indicators (47% better than other 2006 cars)
        • 0.31% fail on Side repeaters (51% better than other 2006 cars)
        • 0.19% fail on All direction indicators
    • 1.4% fail on Headlamps (69% better than other 2006 cars)
      • 1.3% fail on Headlamp (71% better than other 2006 cars)
      • 0.17% fail on Headlamp levelling device
    • 1.00% fail on Position lamps (68% better than other 2006 cars)
      • 1.00% fail on Position lamp (68% better than other 2006 cars)
    • 0.59% fail on Stop lamp (88% better than other 2006 cars)
    • 0.26% fail on Registration plate lamp(s) (90% better than other 2006 cars)
    • 0.14% fail on Electrical equipment (80% better than other 2006 cars)
      • 0.071% fail on Horn (82% better than other 2006 cars)
      • 0.047% fail on Electrical wiring
      • 0.024% fail on Battery(ies)
    • 0.071% fail on Front and rear fog lamps (91% better than other 2006 cars)
      • 0.071% fail on Rear fog lamp (91% better than other 2006 cars)
        • 0.071% fail on Rear fog lamp (91% better than other 2006 cars)
  • 4.6% fail on Tyres (38% better than other 2006 cars)
    • 2.6% fail on Tread depth (42% better than other 2006 cars)
    • 2.3% fail on Condition (29% better than other 2006 cars)
    • 0.071% fail on Size/type (75% better than other 2006 cars)
  • 2.5% fail on Seat belts and supplementary restraint systems
    • 2.5% fail on SRS malfunction indicator lamp (110% worse than other 2006 cars)
  • 2.4% fail on Noise, emissions and leaks (61% better than other 2006 cars)
    • 2.3% fail on Exhaust emissions (61% better than other 2006 cars)
      • 2.2% fail on Spark ignition (48% better than other 2006 cars)
        • 1.8% fail on Malfunction indicator lamp
        • 0.43% fail on Catalyst emissions (77% better than other 2006 cars)
        • 0.095% fail on Emissions not tested (82% better than other 2006 cars)
        • 0.024% fail on Emission control equipment
          • 0.024% fail on Oxygen sensor
      • 0.12% fail on Compression ignition (93% better than other 2006 cars)
        • 0.095% fail on Malfunction indicator lamp (79% better than other 2006 cars)
        • 0.024% fail on Pre 01/07/2008 Non turbo
    • 0.14% fail on Fluid leaks (68% better than other 2006 cars)
      • 0.095% fail on Transmission oil leaks (2 times worse than other 2006 cars)
      • 0.047% fail on Engine oil leaks (87% better than other 2006 cars)
  • 2.1% fail on Body, chassis, structure (72% better than other 2006 cars)
    • 1.3% fail on Exhaust system (51% better than other 2006 cars)
    • 0.31% fail on Integral vehicle structure
      • 0.28% fail on Sub-frame (15 times worse than other 2006 cars)
        • 0.28% fail on Sub-frame condition (16 times worse than other 2006 cars)
      • 0.024% fail on Integral vehicle structure condition
    • 0.17% fail on Fuel system (62% better than other 2006 cars)
      • 0.12% fail on Pipe
      • 0.047% fail on Fuel cap/sealing device
    • 0.095% fail on Chassis
      • 0.095% fail on Chassis condition
    • 0.095% fail on Bumpers
    • 0.071% fail on Seats
      • 0.071% fail on Driver's seat
    • 0.047% fail on Engine mounting
      • 0.024% fail on Engine mounting condition
      • 0.024% fail on Bracket
    • 0.024% fail on Body
      • 0.024% fail on Other body component
  • 1.6% fail on Visibility (76% better than other 2006 cars)
    • 1.00% fail on Wipers (70% better than other 2006 cars)
    • 0.62% fail on Washers (81% better than other 2006 cars)
    • 0.047% fail on Condition of glass
      • 0.047% fail on Windscreen
    • 0.024% fail on Driver's view
    • 0.024% fail on View to rear
      • 0.024% fail on Mirrors
  • 0.88% fail on Steering (74% better than other 2006 cars)
    • 0.83% fail on Steering linkage components (67% better than other 2006 cars)
      • 0.71% fail on Track rod end (68% better than other 2006 cars)
      • 0.12% fail on Ball joint
    • 0.024% fail on Steering gear
      • 0.024% fail on Steering rack
    • 0.024% fail on Steering wheel
  • 0.45% fail on Road Wheels
    • 0.38% fail on Attachment
    • 0.071% fail on Condition
  • 0.36% fail on Identification of the vehicle
    • 0.36% fail on Registration plates
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