Mercedes-Benz SLK MOT Results

Registered in 2010
72.7% pass rate
from 2,140 tests in 2021
(25% better than other 2010 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 2010 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 14% fail on Suspension
    • 9.4% fail on Springs (74% worse than other 2010 cars)
      • 9.4% fail on Coil springs (74% worse than other 2010 cars)
        • 9.4% fail on Coil spring (75% worse than other 2010 cars)
    • 4.5% fail on Suspension arms
      • 2.9% fail on Ball joint (40% worse than other 2010 cars)
      • 1.1% fail on Pins and bushes
      • 0.79% fail on Ball joint dust cover
      • 0.047% fail on Suspension arm
    • 0.19% fail on Sub-frames
      • 0.14% fail on Sub-frame
      • 0.047% fail on Sub-frame mounting prescribed areas
    • 0.14% fail on Other suspension component
      • 0.14% fail on Ball joint
    • 0.093% fail on Shock absorbers (89% better than other 2010 cars)
    • 0.047% fail on Wheel bearings
    • 0.047% fail on Suspension rods
      • 0.047% fail on Ball joint dust cover
  • 6.8% fail on Lamps, reflectors and electrical equipment (43% better than other 2010 cars)
    • 3.8% fail on Direction indicators (85% worse than other 2010 cars)
      • 3.8% fail on Flashing type (85% worse than other 2010 cars)
        • 2.4% fail on Individual direction indicators (91% worse than other 2010 cars)
        • 1.0% fail on Side repeaters
        • 0.47% fail on All direction indicators (3 times worse than other 2010 cars)
    • 1.6% fail on Headlamps (47% better than other 2010 cars)
      • 1.4% fail on Headlamp (49% better than other 2010 cars)
      • 0.14% fail on Headlamp levelling device
    • 1.5% fail on Headlamp aim (49% better than other 2010 cars)
      • 1.3% fail on Headlamp aim (51% better than other 2010 cars)
      • 0.19% fail on Headlamp aim not tested
    • 0.33% fail on Stop lamp (89% better than other 2010 cars)
    • 0.14% fail on Front and rear fog lamps (75% better than other 2010 cars)
      • 0.14% fail on Rear fog lamp (75% better than other 2010 cars)
        • 0.14% fail on Rear fog lamp (75% better than other 2010 cars)
    • 0.093% fail on Reversing lamps
      • 0.093% fail on Reversing lamps
    • 0.093% fail on Registration plate lamp(s) (95% better than other 2010 cars)
    • 0.047% fail on Electrical equipment
      • 0.047% fail on Horn
  • 5.7% fail on Brakes (29% better than other 2010 cars)
    • 2.4% fail on Brake performance (41% better than other 2010 cars)
      • 1.1% fail on Parking brake efficiency (sp) (40% better than other 2010 cars)
        • 1.1% fail on Rbt (sp)
      • 0.89% fail on Service brake performance (56% better than other 2010 cars)
        • 0.89% fail on Rbt (55% better than other 2010 cars)
          • 0.56% fail on Service brake performance (67% better than other 2010 cars)
          • 0.37% fail on Service brake imbalance
      • 0.42% fail on Parking brake performance
        • 0.42% fail on Rbt
          • 0.23% fail on Parking brake performance (65% better than other 2010 cars)
          • 0.19% fail on Parking (secondary brake performance)
      • 0.28% fail on Service Brake Efficiency (sp)
        • 0.28% fail on Rbt (sp)
          • 0.19% fail on Service brake performance
          • 0.093% fail on Service brake imbalance (78% better than other 2010 cars)
      • 0.14% fail on Brake performance not tested
    • 2.1% fail on Rigid brake pipes (190% worse than other 2010 cars)
    • 1.4% fail on Mechanical brake components (54% better than other 2010 cars)
      • 0.98% fail on Brake linings and pads (53% better than other 2010 cars)
        • 0.98% fail on Brake pads (52% better than other 2010 cars)
      • 0.56% fail on Brake discs and drums (50% better than other 2010 cars)
        • 0.47% fail on Brake discs (58% better than other 2010 cars)
        • 0.093% fail on Brake drums (13 times worse than other 2010 cars)
    • 0.093% fail on Service brake pedal or hand lever
      • 0.047% fail on Pedal
      • 0.047% fail on Hand lever
    • 0.093% fail on Hydraulic systems
      • 0.047% fail on Reservoirs
      • 0.047% fail on Brake fluid
    • 0.093% fail on ABS / EBS / ESC (84% better than other 2010 cars)
      • 0.047% fail on Electronic braking system
      • 0.047% fail on Electronic stability control
    • 0.047% fail on Parking brake control
      • 0.047% fail on Lever
  • 4.7% fail on Tyres (23% better than other 2010 cars)
    • 2.8% fail on Condition
    • 2.0% fail on Tread depth (42% better than other 2010 cars)
    • 0.093% fail on Size/type
  • 1.6% fail on Noise, emissions and leaks (53% better than other 2010 cars)
    • 1.6% fail on Exhaust emissions (51% better than other 2010 cars)
      • 1.6% fail on Spark ignition
        • 0.84% fail on Malfunction indicator lamp
        • 0.79% fail on Catalyst emissions
        • 0.19% fail on Emissions not tested
        • 0.047% fail on Emission control equipment
          • 0.047% fail on NOx sensor
      • 0.047% fail on Compression ignition
        • 0.047% fail on On or after 01/01/2014
    • 0.047% fail on Noise suppression
      • 0.047% fail on Sound deadening material
  • 0.98% fail on Visibility (82% better than other 2010 cars)
    • 0.75% fail on Wipers (70% better than other 2010 cars)
    • 0.23% fail on Washers (91% better than other 2010 cars)
    • 0.047% fail on Bonnet
    • 0.047% fail on View to rear
      • 0.047% fail on Mirrors
  • 0.89% fail on Body, chassis, structure (77% better than other 2010 cars)
    • 0.75% fail on Exhaust system (56% better than other 2010 cars)
    • 0.093% fail on Integral vehicle structure
      • 0.093% fail on Sub-frame (5 times worse than other 2010 cars)
        • 0.093% fail on Sub-frame condition (5 times worse than other 2010 cars)
    • 0.047% fail on Fuel system
      • 0.047% fail on Fuel cap/sealing device
  • 0.65% fail on Seat belts and supplementary restraint systems
    • 0.65% fail on SRS malfunction indicator lamp
  • 0.42% fail on Identification of the vehicle
    • 0.42% fail on Registration plates
  • 0.37% fail on Road Wheels
    • 0.23% fail on Condition
    • 0.19% fail on Attachment
  • 0.23% fail on Steering (90% better than other 2010 cars)
    • 0.19% fail on Steering linkage components (90% better than other 2010 cars)
      • 0.19% fail on Track rod end (90% better than other 2010 cars)
    • 0.047% fail on Steering gear
      • 0.047% fail on Steering rack
  • 0.047% fail on Speedometer and speed limiter
    • 0.047% fail on Speedometer
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