Mercedes-Benz SLK MOT Results

Registered in 2011
78.2% pass rate
from 2,599 tests in 2021
(33% better than other 2011 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 2011 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 8.5% fail on Suspension (24% better than other 2011 cars)
    • 4.8% fail on Springs
      • 4.8% fail on Coil springs
        • 4.8% fail on Coil spring
    • 2.6% fail on Suspension arms (29% better than other 2011 cars)
      • 1.2% fail on Ball joint
      • 1.2% fail on Ball joint dust cover (2 times worse than other 2011 cars)
      • 0.31% fail on Pins and bushes (81% better than other 2011 cars)
      • 0.038% fail on Suspension arm
    • 1.6% fail on Anti-roll bars (36% better than other 2011 cars)
      • 0.92% fail on Linkage ball joint dust cover
      • 0.31% fail on Ball joint dust cover
      • 0.12% fail on Anti-roll bar
      • 0.12% fail on Linkage
      • 0.12% fail on Linkage ball joints (86% better than other 2011 cars)
      • 0.038% fail on Linkage pins and bushes
    • 0.15% fail on Wheel bearings
    • 0.077% fail on Shock absorbers (89% better than other 2011 cars)
    • 0.038% fail on Suspension rods
      • 0.038% fail on Ball joint dust cover
    • 0.038% fail on Sub-frames
      • 0.038% fail on Sub-frame
    • 0.038% fail on Other suspension component
      • 0.038% fail on Ball joint
  • 5.2% fail on Tyres
    • 3.0% fail on Condition
    • 2.4% fail on Tread depth
    • 0.077% fail on Size/type
  • 4.5% fail on Brakes (33% better than other 2011 cars)
    • 1.8% fail on Rigid brake pipes (2 times worse than other 2011 cars)
    • 1.7% fail on ABS / EBS / ESC (2 times worse than other 2011 cars)
      • 1.6% fail on Anti-lock braking system (3 times worse than other 2011 cars)
      • 0.77% fail on Electronic stability control (2 times worse than other 2011 cars)
      • 0.038% fail on Electronic braking system
    • 0.88% fail on Mechanical brake components (69% better than other 2011 cars)
      • 0.54% fail on Brake linings and pads (74% better than other 2011 cars)
        • 0.50% fail on Brake pads (76% better than other 2011 cars)
        • 0.038% fail on Brake linings
      • 0.38% fail on Brake discs and drums (63% better than other 2011 cars)
        • 0.38% fail on Brake discs (63% better than other 2011 cars)
    • 0.50% fail on Brake performance (84% better than other 2011 cars)
      • 0.19% fail on Service brake performance (88% better than other 2011 cars)
        • 0.19% fail on Rbt (88% better than other 2011 cars)
          • 0.12% fail on Service brake performance (91% better than other 2011 cars)
          • 0.077% fail on Service brake imbalance
      • 0.19% fail on Parking brake efficiency (sp) (86% better than other 2011 cars)
        • 0.19% fail on Rbt (sp) (85% better than other 2011 cars)
      • 0.12% fail on Brake performance not tested
      • 0.077% fail on Service Brake Efficiency (sp) (84% better than other 2011 cars)
        • 0.077% fail on Rbt (sp) (83% better than other 2011 cars)
          • 0.038% fail on Service brake performance
          • 0.038% fail on Service brake imbalance
      • 0.077% fail on Parking brake performance (87% better than other 2011 cars)
        • 0.077% fail on Rbt (86% better than other 2011 cars)
          • 0.038% fail on Parking brake performance
          • 0.038% fail on Parking (secondary brake performance)
  • 4.2% fail on Lamps, reflectors and electrical equipment (59% better than other 2011 cars)
    • 1.5% fail on Headlamp aim (44% better than other 2011 cars)
      • 1.4% fail on Headlamp aim (43% better than other 2011 cars)
      • 0.15% fail on Headlamp aim not tested
    • 1.4% fail on Direction indicators
      • 1.4% fail on Flashing type
        • 0.88% fail on Side repeaters
        • 0.58% fail on Individual direction indicators
    • 1.2% fail on Headlamps (55% better than other 2011 cars)
      • 1.1% fail on Headlamp (56% better than other 2011 cars)
      • 0.077% fail on Headlamp levelling device
      • 0.038% fail on Headlamp cleaning device
    • 0.19% fail on Electrical equipment
      • 0.15% fail on Horn
      • 0.038% fail on Electrical wiring
    • 0.077% fail on Stop lamp (97% better than other 2011 cars)
    • 0.038% fail on Front and rear fog lamps
      • 0.038% fail on Rear fog lamp
        • 0.038% fail on Rear fog lamp
    • 0.038% fail on Registration plate lamp(s)
    • 0.038% fail on Mandatory tell-tales
      • 0.038% fail on Rear fog lamp tell-tale
  • 1.3% fail on Visibility (74% better than other 2011 cars)
    • 0.85% fail on Washers (64% better than other 2011 cars)
    • 0.42% fail on Wipers (82% better than other 2011 cars)
    • 0.038% fail on Bonnet
    • 0.038% fail on View to rear
      • 0.038% fail on Mirrors
  • 0.77% fail on Noise, emissions and leaks (69% better than other 2011 cars)
    • 0.73% fail on Exhaust emissions (69% better than other 2011 cars)
      • 0.73% fail on Spark ignition (52% better than other 2011 cars)
        • 0.58% fail on Malfunction indicator lamp
        • 0.19% fail on Catalyst emissions (70% better than other 2011 cars)
    • 0.038% fail on Fluid leaks
      • 0.038% fail on Engine oil leaks
  • 0.35% fail on Identification of the vehicle
    • 0.35% fail on Registration plates
  • 0.35% fail on Seat belts and supplementary restraint systems
    • 0.27% fail on SRS malfunction indicator lamp
    • 0.038% fail on Seat belts
      • 0.038% fail on Condition
    • 0.038% fail on Airbags
      • 0.038% fail on Passengers airbag
  • 0.35% fail on Road Wheels
    • 0.23% fail on Condition
    • 0.12% fail on Attachment
  • 0.27% fail on Body, chassis, structure (91% better than other 2011 cars)
    • 0.12% fail on Exhaust system (91% better than other 2011 cars)
    • 0.12% fail on Doors
      • 0.077% fail on Driver's door
        • 0.077% fail on Door condition
      • 0.038% fail on Front passenger's door
        • 0.038% fail on Door condition
    • 0.038% fail on Fuel system
      • 0.038% fail on Fuel cap/sealing device
  • 0.077% fail on Steering (96% better than other 2011 cars)
    • 0.077% fail on Steering linkage components (95% better than other 2011 cars)
      • 0.038% fail on Ball joint
      • 0.038% fail on Other components
        • 0.038% fail on Steering component
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