Mercedes-Benz SLK MOT Results

Registered in 1999
66.9% pass rate
from 2,595 tests in 2020
(27% better than other 1999 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 1999 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 18% fail on Lamps, reflectors and electrical equipment
    • 6.9% fail on Stop lamp (47% worse than other 1999 cars)
    • 5.1% fail on Direction indicators (110% worse than other 1999 cars)
      • 5.1% fail on Flashing type (110% worse than other 1999 cars)
        • 2.3% fail on Individual direction indicators (40% worse than other 1999 cars)
        • 2.3% fail on Side repeaters (2 times worse than other 1999 cars)
        • 1.4% fail on All direction indicators (5 times worse than other 1999 cars)
        • 0.039% fail on Switch
    • 4.2% fail on Headlamps
      • 3.3% fail on Headlamp
      • 0.77% fail on Headlamp levelling device (140% worse than other 1999 cars)
      • 0.12% fail on Matched pair (17 times worse than other 1999 cars)
      • 0.039% fail on Dipswitch
    • 3.5% fail on Headlamp aim
      • 3.3% fail on Headlamp aim
      • 0.27% fail on Headlamp aim not tested
    • 1.7% fail on Position lamps (37% better than other 1999 cars)
      • 1.7% fail on Position lamp (37% better than other 1999 cars)
      • 0.039% fail on All position lamps
      • 0.039% fail on Switch
    • 0.96% fail on Front and rear fog lamps
      • 0.96% fail on Rear fog lamp
        • 0.96% fail on Rear fog lamp
    • 0.62% fail on Electrical equipment
      • 0.31% fail on Battery(ies)
      • 0.31% fail on Horn
    • 0.54% fail on Hazard warning (2 times worse than other 1999 cars)
      • 0.54% fail on Switch (2 times worse than other 1999 cars)
    • 0.35% fail on Registration plate lamp(s) (84% better than other 1999 cars)
    • 0.077% fail on Mandatory tell-tales
      • 0.077% fail on Main beam tell-tale
  • 7.9% fail on Brakes (45% better than other 1999 cars)
    • 3.0% fail on Rigid brake pipes
    • 2.3% fail on Mechanical brake components
      • 1.8% fail on Brake linings and pads
        • 1.8% fail on Brake pads
        • 0.039% fail on Brake linings
      • 0.54% fail on Brake discs and drums
        • 0.54% fail on Brake discs
      • 0.039% fail on Brake cables, rods, levers and linkages
        • 0.039% fail on Cable
    • 2.1% fail on Brake performance (74% better than other 1999 cars)
      • 1.2% fail on Service brake performance (59% better than other 1999 cars)
        • 1.2% fail on Rbt (60% better than other 1999 cars)
          • 1.0% fail on Service brake performance (57% better than other 1999 cars)
          • 0.23% fail on Service brake imbalance (69% better than other 1999 cars)
        • 0.039% fail on Plate brake tester
          • 0.039% fail on Service brake performance
      • 0.58% fail on Service Brake Efficiency (sp) (79% better than other 1999 cars)
        • 0.58% fail on Rbt (sp) (78% better than other 1999 cars)
          • 0.39% fail on Service brake performance (67% better than other 1999 cars)
          • 0.23% fail on Service brake imbalance (87% better than other 1999 cars)
      • 0.46% fail on Parking brake efficiency (sp) (88% better than other 1999 cars)
        • 0.46% fail on Rbt (sp) (88% better than other 1999 cars)
      • 0.27% fail on Brake performance not tested
      • 0.077% fail on Parking brake performance (95% better than other 1999 cars)
        • 0.077% fail on Rbt (95% better than other 1999 cars)
          • 0.077% fail on Parking brake performance (94% better than other 1999 cars)
    • 1.4% fail on ABS / EBS / ESC
      • 0.85% fail on Anti-lock braking system
      • 0.69% fail on Electronic stability control (180% worse than other 1999 cars)
    • 0.19% fail on Flexible brake hoses
    • 0.12% fail on Service brake pedal or hand lever (76% better than other 1999 cars)
      • 0.077% fail on Pedal
      • 0.039% fail on Hand lever
    • 0.12% fail on Parking brake control (76% better than other 1999 cars)
      • 0.12% fail on Lever (76% better than other 1999 cars)
    • 0.12% fail on Hydraulic systems
      • 0.077% fail on Brake fluid
      • 0.039% fail on Servos
    • 0.077% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.077% fail on Hydraulic brake callipers
    • 0.039% fail on Other components and prescribed areas
      • 0.039% fail on Prescribed areas
        • 0.039% fail on Other braking system component
  • 6.6% fail on Visibility
    • 3.4% fail on Washers
    • 3.1% fail on Wipers (29% better than other 1999 cars)
    • 0.27% fail on Bonnet
    • 0.27% fail on Condition of glass
      • 0.27% fail on Windscreen
    • 0.23% fail on View to rear
      • 0.19% fail on Mirrors
      • 0.039% fail on Indirect vision devices
    • 0.039% fail on Driver's view
  • 5.9% fail on Suspension (65% better than other 1999 cars)
    • 2.2% fail on Springs
      • 2.2% fail on Coil springs
        • 2.2% fail on Coil spring
    • 2.2% fail on Suspension arms (57% better than other 1999 cars)
      • 1.3% fail on Ball joint (41% better than other 1999 cars)
      • 0.39% fail on Ball joint dust cover
      • 0.35% fail on Pins and bushes (83% better than other 1999 cars)
      • 0.15% fail on Suspension arm
      • 0.039% fail on Attachment bracket and mounting
    • 0.73% fail on Wheel bearings (50% better than other 1999 cars)
    • 0.46% fail on Component mounting prescribed areas (91% better than other 1999 cars)
    • 0.35% fail on Anti-roll bars (92% better than other 1999 cars)
      • 0.27% fail on Pins and bushes
      • 0.077% fail on Attachment bracket and mounting
    • 0.27% fail on Other suspension component
      • 0.19% fail on Ball joint
      • 0.039% fail on Other suspension component
      • 0.039% fail on Ball joint dust cover
    • 0.15% fail on Sub-frames (80% better than other 1999 cars)
      • 0.12% fail on Sub-frame
      • 0.039% fail on Attachment bracket and mounting
    • 0.039% fail on Shock absorbers
  • 3.7% fail on Tyres (36% better than other 1999 cars)
    • 2.0% fail on Tread depth (42% better than other 1999 cars)
    • 1.7% fail on Condition
    • 0.19% fail on Size/type
  • 3.1% fail on Body, chassis, structure (72% better than other 1999 cars)
    • 1.3% fail on Exhaust system (65% better than other 1999 cars)
    • 0.92% fail on Fuel system
      • 0.69% fail on Pipe (2 times worse than other 1999 cars)
      • 0.12% fail on Fuel cap/sealing device
      • 0.077% fail on Hose
      • 0.039% fail on System
    • 0.27% fail on Chassis (80% better than other 1999 cars)
      • 0.19% fail on Strengthening plate (9 times worse than other 1999 cars)
      • 0.077% fail on Chassis condition (94% better than other 1999 cars)
    • 0.23% fail on Integral vehicle structure (84% better than other 1999 cars)
      • 0.12% fail on Integral vehicle structure condition (92% better than other 1999 cars)
      • 0.12% fail on Strengthening plate (15 times worse than other 1999 cars)
    • 0.23% fail on Body
      • 0.15% fail on Other body component
      • 0.077% fail on Panel
    • 0.15% fail on Bumpers
    • 0.15% fail on Doors (72% better than other 1999 cars)
      • 0.077% fail on Driver's door
        • 0.077% fail on Door condition
      • 0.039% fail on Front passenger's door
        • 0.039% fail on Door condition
      • 0.039% fail on Other passenger's door
        • 0.039% fail on Door condition
    • 0.039% fail on Transmission
      • 0.039% fail on Prop shafts
        • 0.039% fail on Prop shaft
    • 0.039% fail on Load security
      • 0.039% fail on Tailgate
        • 0.039% fail on Tailgate condition
    • 0.039% fail on Boot lid
      • 0.039% fail on Boot lid condition
  • 2.8% fail on Noise, emissions and leaks (69% better than other 1999 cars)
    • 2.5% fail on Exhaust emissions (70% better than other 1999 cars)
      • 2.5% fail on Spark ignition (68% better than other 1999 cars)
        • 2.2% fail on Catalyst emissions (65% better than other 1999 cars)
        • 0.35% fail on Emissions not tested (70% better than other 1999 cars)
        • 0.039% fail on Emission control equipment
          • 0.039% fail on Catalytic converter
        • 0.039% fail on Non catalyst emissions
      • 0.039% fail on Compression ignition
        • 0.039% fail on Emissions not tested
    • 0.27% fail on Fluid leaks (61% better than other 1999 cars)
      • 0.15% fail on Engine oil leaks (71% better than other 1999 cars)
      • 0.077% fail on Transmission oil leaks
      • 0.039% fail on Other leaks
  • 1.8% fail on Steering (55% better than other 1999 cars)
    • 1.6% fail on Steering linkage components (36% better than other 1999 cars)
      • 1.2% fail on Track rod end (42% better than other 1999 cars)
      • 0.23% fail on Ball joint
      • 0.15% fail on Drag link end
      • 0.039% fail on Other components
        • 0.039% fail on Steering component
    • 0.077% fail on Steering gear (93% better than other 1999 cars)
      • 0.039% fail on Steering box
      • 0.039% fail on Steering rack
    • 0.077% fail on Power steering (83% better than other 1999 cars)
      • 0.039% fail on Operation
      • 0.039% fail on Other components
    • 0.077% fail on Steering play
      • 0.039% fail on Steering box
      • 0.039% fail on Steering rack
  • 1.5% fail on Seat belts and supplementary restraint systems (69% better than other 1999 cars)
    • 1.3% fail on SRS malfunction indicator lamp
    • 0.15% fail on Seat belts (95% better than other 1999 cars)
      • 0.12% fail on Prescribed areas (95% better than other 1999 cars)
      • 0.039% fail on Condition
  • 0.39% fail on Road Wheels
    • 0.31% fail on Attachment
    • 0.039% fail on Condition
    • 0.039% fail on Hubs
  • 0.35% fail on Identification of the vehicle (66% better than other 1999 cars)
    • 0.35% fail on Registration plates (66% better than other 1999 cars)
  • 0.077% fail on Speedometer and speed limiter
    • 0.077% fail on Speedometer

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