Mercedes-Benz SLK MOT Results

Registered in 2006
69.1% pass rate
from 4,003 tests in 2021
(28% 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.

  • 16% fail on Suspension
    • 7.3% fail on Springs (43% worse than other 2006 cars)
      • 7.3% fail on Coil springs (44% worse than other 2006 cars)
        • 7.3% fail on Coil spring (45% worse than other 2006 cars)
    • 5.8% fail on Suspension arms
      • 3.7% fail on Ball joint (72% worse than other 2006 cars)
      • 1.4% fail on Pins and bushes (45% better than other 2006 cars)
      • 0.85% fail on Ball joint dust cover
      • 0.27% fail on Attachment bracket and mounting (6 times worse than other 2006 cars)
      • 0.075% fail on Suspension arm (73% better than other 2006 cars)
    • 3.8% fail on Sub-frames (7 times worse than other 2006 cars)
      • 3.2% fail on Sub-frame (14 times worse than other 2006 cars)
      • 0.62% fail on Sub-frame mounting prescribed areas (3 times worse than other 2006 cars)
      • 0.025% fail on Attachment bracket and mounting
    • 0.87% fail on Component mounting prescribed areas (37% better than other 2006 cars)
    • 0.40% fail on Anti-roll bars (92% better than other 2006 cars)
      • 0.15% fail on Linkage
      • 0.12% fail on Linkage ball joint dust cover (93% better than other 2006 cars)
      • 0.100% fail on Ball joint dust cover (87% better than other 2006 cars)
      • 0.050% fail on Linkage ball joints (97% better than other 2006 cars)
    • 0.35% fail on Shock absorbers (64% better than other 2006 cars)
    • 0.25% fail on Wheel bearings (79% better than other 2006 cars)
    • 0.075% fail on Suspension rods
      • 0.050% fail on Ball joint
      • 0.025% fail on Ball joint dust cover
    • 0.050% fail on Macpherson strut
      • 0.050% fail on Attachment bracket and mounting
    • 0.025% fail on Other suspension component
      • 0.025% fail on Ball joint
  • 7.6% fail on Brakes (38% better than other 2006 cars)
    • 3.7% fail on Brake performance (44% better than other 2006 cars)
      • 2.1% fail on Parking brake efficiency (sp) (45% better than other 2006 cars)
        • 2.0% fail on Rbt (sp) (42% better than other 2006 cars)
        • 0.025% fail on Plate brake tester (sp)
      • 1.3% fail on Service brake performance (52% better than other 2006 cars)
        • 1.3% fail on Rbt (52% better than other 2006 cars)
          • 1.1% fail on Service brake performance (52% better than other 2006 cars)
          • 0.27% fail on Service brake imbalance
        • 0.025% fail on Plate brake tester
          • 0.025% fail on Service brake performance
      • 0.45% fail on Service Brake Efficiency (sp) (46% better than other 2006 cars)
        • 0.45% fail on Rbt (sp) (45% better than other 2006 cars)
          • 0.30% fail on Service brake imbalance (54% better than other 2006 cars)
          • 0.17% fail on Service brake performance
      • 0.42% fail on Parking brake performance (72% better than other 2006 cars)
        • 0.37% fail on Rbt (75% better than other 2006 cars)
          • 0.32% fail on Parking brake performance (75% better than other 2006 cars)
          • 0.050% fail on Parking (secondary brake performance)
        • 0.050% fail on Decelerometer
          • 0.025% fail on Parking (secondary brake performance)
          • 0.025% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.17% fail on Brake performance not tested
    • 3.3% fail on Rigid brake pipes (32% worse than other 2006 cars)
    • 1.0% fail on Mechanical brake components (68% better than other 2006 cars)
      • 0.57% fail on Brake linings and pads (72% better than other 2006 cars)
        • 0.57% fail on Brake pads (72% better than other 2006 cars)
      • 0.50% fail on Brake discs and drums (60% better than other 2006 cars)
        • 0.50% fail on Brake discs (60% better than other 2006 cars)
    • 0.60% fail on ABS / EBS / ESC (53% better than other 2006 cars)
      • 0.45% fail on Electronic stability control
      • 0.20% fail on Anti-lock braking system (81% better than other 2006 cars)
    • 0.075% fail on Hydraulic systems
      • 0.050% fail on Brake fluid
      • 0.025% fail on Reservoirs
    • 0.025% fail on Service brake pedal or hand lever
      • 0.025% fail on Pedal
    • 0.025% fail on Flexible brake hoses
    • 0.025% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.025% fail on Hydraulic brake callipers
  • 5.2% fail on Lamps, reflectors and electrical equipment (66% better than other 2006 cars)
    • 1.6% fail on Headlamp aim (55% better than other 2006 cars)
      • 1.5% fail on Headlamp aim (52% better than other 2006 cars)
      • 0.075% fail on Headlamp aim not tested (82% better than other 2006 cars)
    • 1.5% fail on Direction indicators (41% better than other 2006 cars)
      • 1.5% fail on Flashing type (41% better than other 2006 cars)
        • 1.0% fail on Individual direction indicators (43% better than other 2006 cars)
        • 0.25% fail on All direction indicators
        • 0.25% fail on Side repeaters (65% better than other 2006 cars)
        • 0.025% fail on Switch
    • 1.4% fail on Headlamps (71% better than other 2006 cars)
      • 1.3% fail on Headlamp (72% better than other 2006 cars)
      • 0.100% fail on Headlamp levelling device
    • 0.62% fail on Stop lamp (85% better than other 2006 cars)
    • 0.27% fail on Registration plate lamp(s) (87% better than other 2006 cars)
    • 0.22% fail on Front and rear fog lamps (75% better than other 2006 cars)
      • 0.22% fail on Rear fog lamp (75% better than other 2006 cars)
        • 0.22% fail on Rear fog lamp (75% better than other 2006 cars)
    • 0.12% fail on Electrical equipment (79% better than other 2006 cars)
      • 0.12% fail on Horn
    • 0.075% fail on Mandatory tell-tales
      • 0.050% fail on Main beam tell-tale
      • 0.025% fail on Rear fog lamp tell-tale
    • 0.050% fail on Position lamps
      • 0.050% fail on Position lamp
  • 4.5% fail on Tyres (33% better than other 2006 cars)
    • 2.4% fail on Tread depth (36% better than other 2006 cars)
    • 2.2% fail on Condition (26% better than other 2006 cars)
    • 0.050% fail on Size/type (82% better than other 2006 cars)
  • 3.2% fail on Visibility (54% better than other 2006 cars)
    • 1.9% fail on Wipers (44% better than other 2006 cars)
    • 1.4% fail on Washers (58% better than other 2006 cars)
    • 0.050% fail on Condition of glass
      • 0.050% fail on Windscreen
  • 2.9% fail on Noise, emissions and leaks (54% better than other 2006 cars)
    • 2.8% fail on Exhaust emissions (52% better than other 2006 cars)
      • 2.8% fail on Spark ignition (40% better than other 2006 cars)
        • 2.1% fail on Malfunction indicator lamp
        • 0.65% fail on Catalyst emissions (69% better than other 2006 cars)
        • 0.22% fail on Emissions not tested (70% better than other 2006 cars)
      • 0.050% fail on Compression ignition (96% better than other 2006 cars)
        • 0.050% fail on Malfunction indicator lamp (87% better than other 2006 cars)
    • 0.075% fail on Fluid leaks (81% better than other 2006 cars)
      • 0.075% fail on Engine oil leaks (76% better than other 2006 cars)
  • 2.6% fail on Seat belts and supplementary restraint systems
    • 2.6% fail on SRS malfunction indicator lamp (110% worse than other 2006 cars)
    • 0.025% fail on Seat belts
      • 0.025% fail on Condition
  • 1.6% fail on Body, chassis, structure (79% better than other 2006 cars)
    • 1.1% fail on Exhaust system (58% better than other 2006 cars)
    • 0.25% fail on Integral vehicle structure
      • 0.20% fail on Sub-frame (6 times worse than other 2006 cars)
        • 0.20% fail on Sub-frame condition (7 times worse than other 2006 cars)
      • 0.050% fail on Integral vehicle structure condition (90% better than other 2006 cars)
    • 0.100% fail on Chassis
      • 0.100% fail on Chassis condition
    • 0.050% fail on Body
      • 0.050% fail on Other body component
    • 0.050% fail on Seats
      • 0.050% fail on Driver's seat
    • 0.025% fail on Bumpers
  • 0.70% fail on Steering (79% better than other 2006 cars)
    • 0.62% fail on Steering linkage components (74% better than other 2006 cars)
      • 0.55% fail on Track rod end (75% better than other 2006 cars)
      • 0.075% fail on Ball joint
    • 0.025% fail on Steering gear
      • 0.025% fail on Steering rack
    • 0.025% fail on Power steering
      • 0.025% fail on Operation
    • 0.025% fail on Electronic power steering
  • 0.47% fail on Identification of the vehicle
    • 0.47% fail on Registration plates
  • 0.47% fail on Road Wheels
    • 0.32% fail on Attachment
    • 0.15% fail on Condition
  • 0.025% fail on Speedometer and speed limiter
    • 0.025% fail on Speedometer
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