Mercedes-Benz SLK MOT Results

Registered in 2005
67.9% pass rate
from 5,148 tests in 2020
(29% better than other 2005 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 2005 cars and highlighted areas where the Mercedes-Benz SLK is unusually good or bad.

  • 17% fail on Suspension (2.1% better than other 2005 cars)
    • 6.9% fail on Springs (81% worse than other 2005 cars)
      • 6.9% fail on Coil springs (82% worse than other 2005 cars)
        • 6.9% fail on Coil spring (83% worse than other 2005 cars)
        • 0.019% fail on Mounting
      • 0.019% fail on Spring mounting prescribed areas
    • 6.4% fail on Suspension arms (6.4% worse than other 2005 cars)
      • 4.0% fail on Ball joint (66% worse than other 2005 cars)
      • 1.6% fail on Pins and bushes (41% better than other 2005 cars)
      • 1.1% fail on Ball joint dust cover (25% worse than other 2005 cars)
      • 0.14% fail on Attachment bracket and mounting (200% worse than other 2005 cars)
      • 0.058% fail on Suspension arm (79% better than other 2005 cars)
    • 4.3% fail on Sub-frames (9 times worse than other 2005 cars)
      • 3.7% fail on Sub-frame (17 times worse than other 2005 cars)
      • 0.56% fail on Sub-frame mounting prescribed areas (3 times worse than other 2005 cars)
      • 0.039% fail on Pins and bushes (48% better than other 2005 cars)
      • 0.019% fail on Attachment bracket and mounting
    • 0.52% fail on Anti-roll bars (91% better than other 2005 cars)
      • 0.21% fail on Linkage ball joint dust cover (88% better than other 2005 cars)
      • 0.12% fail on Linkage ball joints (93% better than other 2005 cars)
      • 0.058% fail on Linkage (84% better than other 2005 cars)
      • 0.058% fail on Ball joint dust cover (93% better than other 2005 cars)
      • 0.019% fail on Anti-roll bar
      • 0.019% fail on Attachment bracket and mounting
      • 0.019% fail on Pins and bushes
      • 0.019% fail on Ball joint
    • 0.52% fail on Component mounting prescribed areas (63% better than other 2005 cars)
    • 0.43% fail on Shock absorbers (71% better than other 2005 cars)
    • 0.29% fail on Other suspension component (28% better than other 2005 cars)
      • 0.21% fail on Ball joint (0.89% worse than other 2005 cars)
      • 0.058% fail on Other suspension component (140% worse than other 2005 cars)
      • 0.019% fail on Ball joint dust cover
    • 0.16% fail on Wheel bearings (90% better than other 2005 cars)
    • 0.019% fail on Macpherson strut
      • 0.019% fail on Attachment bracket and mounting
    • 0.019% fail on Suspension rods
      • 0.019% fail on Ball joint
  • 7.3% fail on Brakes (46% better than other 2005 cars)
    • 3.5% fail on Brake performance (52% better than other 2005 cars)
      • 1.9% fail on Parking brake efficiency (sp) (54% better than other 2005 cars)
        • 1.9% fail on Rbt (sp) (52% better than other 2005 cars)
        • 0.019% fail on Decelerometer (sp)
      • 1.1% fail on Service brake performance (61% better than other 2005 cars)
        • 1.0% fail on Rbt (63% better than other 2005 cars)
          • 0.99% fail on Service brake performance (58% better than other 2005 cars)
          • 0.12% fail on Service brake imbalance (80% better than other 2005 cars)
        • 0.039% fail on Plate brake tester (12% better than other 2005 cars)
          • 0.039% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles) (11% worse than other 2005 cars)
        • 0.019% fail on Decelerometer
          • 0.019% fail on Service brake performance
      • 0.27% fail on Parking brake performance (83% better than other 2005 cars)
        • 0.27% fail on Rbt (83% better than other 2005 cars)
          • 0.21% fail on Parking brake performance (85% better than other 2005 cars)
          • 0.039% fail on Parking (secondary brake performance) (74% better than other 2005 cars)
          • 0.019% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.25% fail on Service Brake Efficiency (sp) (71% better than other 2005 cars)
        • 0.25% fail on Rbt (sp) (71% better than other 2005 cars)
          • 0.19% fail on Service brake performance (26% better than other 2005 cars)
          • 0.078% fail on Service brake imbalance (89% better than other 2005 cars)
      • 0.23% fail on Brake performance not tested (18% better than other 2005 cars)
    • 2.5% fail on Rigid brake pipes (14% better than other 2005 cars)
    • 1.3% fail on Mechanical brake components (65% better than other 2005 cars)
      • 0.85% fail on Brake linings and pads (64% better than other 2005 cars)
        • 0.80% fail on Brake pads (67% better than other 2005 cars)
        • 0.058% fail on Brake linings (150% worse than other 2005 cars)
      • 0.54% fail on Brake discs and drums (59% better than other 2005 cars)
        • 0.52% fail on Brake discs (60% better than other 2005 cars)
        • 0.019% fail on Brake drums
    • 0.82% fail on ABS / EBS / ESC (41% better than other 2005 cars)
      • 0.76% fail on Electronic stability control (110% worse than other 2005 cars)
      • 0.039% fail on Anti-lock braking system (97% better than other 2005 cars)
      • 0.039% fail on Electronic braking system (68% worse than other 2005 cars)
    • 0.17% fail on Parking brake control (65% better than other 2005 cars)
      • 0.17% fail on Lever (62% better than other 2005 cars)
    • 0.14% fail on Flexible brake hoses (56% better than other 2005 cars)
    • 0.097% fail on Service brake pedal or hand lever (78% better than other 2005 cars)
      • 0.058% fail on Hand lever (79% better than other 2005 cars)
      • 0.039% fail on Pedal (78% better than other 2005 cars)
    • 0.078% fail on Hydraulic systems (59% better than other 2005 cars)
      • 0.078% fail on Brake fluid (42% better than other 2005 cars)
    • 0.058% fail on Brake actuators (including spring brakes or hydraulic cylinders) (76% better than other 2005 cars)
      • 0.039% fail on Hydraulic brake callipers (77% better than other 2005 cars)
      • 0.019% fail on Hydraulic brake cylinder
    • 0.019% fail on Other components and prescribed areas
      • 0.019% fail on Prescribed areas
        • 0.019% fail on Park brake mechanism/associated mountings
  • 7.1% fail on Lamps, reflectors and electrical equipment (57% better than other 2005 cars)
    • 2.3% fail on Headlamps (56% better than other 2005 cars)
      • 2.2% fail on Headlamp (57% better than other 2005 cars)
      • 0.16% fail on Headlamp levelling device (26% better than other 2005 cars)
    • 2.3% fail on Direction indicators (17% better than other 2005 cars)
      • 2.3% fail on Flashing type (17% better than other 2005 cars)
        • 1.9% fail on Individual direction indicators (2.5% worse than other 2005 cars)
        • 0.19% fail on Side repeaters (76% better than other 2005 cars)
        • 0.17% fail on All direction indicators (16% worse than other 2005 cars)
    • 1.9% fail on Headlamp aim (47% better than other 2005 cars)
      • 1.7% fail on Headlamp aim (47% better than other 2005 cars)
      • 0.21% fail on Headlamp aim not tested (51% better than other 2005 cars)
    • 0.51% fail on Stop lamp (88% better than other 2005 cars)
    • 0.41% fail on Registration plate lamp(s) (84% better than other 2005 cars)
    • 0.25% fail on Front and rear fog lamps (74% better than other 2005 cars)
      • 0.25% fail on Rear fog lamp (74% better than other 2005 cars)
        • 0.23% fail on Rear fog lamp (76% better than other 2005 cars)
        • 0.058% fail on Switch (52% worse than other 2005 cars)
    • 0.097% fail on Position lamps (50% better than other 2005 cars)
      • 0.097% fail on Position lamp (46% better than other 2005 cars)
    • 0.097% fail on Electrical equipment (87% better than other 2005 cars)
      • 0.078% fail on Horn (82% better than other 2005 cars)
      • 0.019% fail on Battery(ies)
    • 0.039% fail on Hazard warning (38% better than other 2005 cars)
      • 0.039% fail on Switch (38% better than other 2005 cars)
    • 0.019% fail on Mandatory tell-tales
      • 0.019% fail on Rear fog lamp tell-tale
  • 4.7% fail on Tyres (34% better than other 2005 cars)
    • 2.6% fail on Tread depth (38% better than other 2005 cars)
    • 2.1% fail on Condition (30% better than other 2005 cars)
    • 0.097% fail on Size/type (66% better than other 2005 cars)
  • 3.3% fail on Noise, emissions and leaks (50% better than other 2005 cars)
    • 3.1% fail on Exhaust emissions (49% better than other 2005 cars)
      • 3.1% fail on Spark ignition (35% better than other 2005 cars)
        • 2.5% fail on Malfunction indicator lamp (5.0% better than other 2005 cars)
        • 0.84% fail on Catalyst emissions (60% better than other 2005 cars)
        • 0.097% fail on Emissions not tested (86% better than other 2005 cars)
    • 0.14% fail on Fluid leaks (68% better than other 2005 cars)
      • 0.12% fail on Engine oil leaks (65% better than other 2005 cars)
      • 0.019% fail on Transmission oil leaks
    • 0.019% fail on Noise suppression
      • 0.019% fail on Undertray
  • 2.0% fail on Body, chassis, structure (76% better than other 2005 cars)
    • 1.2% fail on Exhaust system (61% better than other 2005 cars)
    • 0.41% fail on Integral vehicle structure (15% better than other 2005 cars)
      • 0.27% fail on Sub-frame (10 times worse than other 2005 cars)
        • 0.27% fail on Sub-frame condition (10 times worse than other 2005 cars)
      • 0.12% fail on Integral vehicle structure condition (75% better than other 2005 cars)
      • 0.019% fail on Strengthening plate
    • 0.17% fail on Chassis (41% better than other 2005 cars)
      • 0.17% fail on Chassis condition (40% better than other 2005 cars)
    • 0.12% fail on Fuel system (72% better than other 2005 cars)
      • 0.058% fail on Fuel cap/sealing device (73% better than other 2005 cars)
      • 0.039% fail on Pipe (31% better than other 2005 cars)
      • 0.019% fail on Hose
    • 0.058% fail on Body (77% better than other 2005 cars)
      • 0.039% fail on Other body component (70% better than other 2005 cars)
      • 0.019% fail on Panel
    • 0.039% fail on Doors (92% better than other 2005 cars)
      • 0.039% fail on Front passenger's door (74% better than other 2005 cars)
        • 0.039% fail on Door condition (74% better than other 2005 cars)
    • 0.039% fail on Seats (78% better than other 2005 cars)
      • 0.039% fail on Driver's seat (59% better than other 2005 cars)
    • 0.019% fail on Bumpers
    • 0.019% fail on Transmission
      • 0.019% fail on Prop shafts
        • 0.019% fail on Joints
    • 0.019% fail on Boot lid
      • 0.019% fail on Boot lid condition
    • 0.019% fail on Undertray
  • 2.0% fail on Visibility (73% better than other 2005 cars)
    • 1.1% fail on Wipers (70% better than other 2005 cars)
    • 0.78% fail on Washers (76% better than other 2005 cars)
    • 0.078% fail on Condition of glass (49% better than other 2005 cars)
      • 0.078% fail on Windscreen (48% better than other 2005 cars)
    • 0.058% fail on View to rear (75% better than other 2005 cars)
      • 0.058% fail on Mirrors (75% better than other 2005 cars)
    • 0.039% fail on Driver's view (76% better than other 2005 cars)
  • 1.6% fail on Seat belts and supplementary restraint systems (38% better than other 2005 cars)
    • 1.6% fail on SRS malfunction indicator lamp (9.6% worse than other 2005 cars)
    • 0.039% fail on Seat belts (97% better than other 2005 cars)
      • 0.019% fail on Prescribed areas
      • 0.019% fail on Condition
    • 0.019% fail on Airbags
      • 0.019% fail on Drivers airbag
  • 1.0% fail on Steering (73% better than other 2005 cars)
    • 0.74% fail on Steering linkage components (74% better than other 2005 cars)
      • 0.70% fail on Track rod end (73% better than other 2005 cars)
      • 0.039% fail on Ball joint (78% better than other 2005 cars)
    • 0.27% fail on Steering gear (59% better than other 2005 cars)
      • 0.27% fail on Steering rack (58% better than other 2005 cars)
    • 0.019% fail on Power steering
      • 0.019% fail on Pipes and hoses
  • 0.31% fail on Identification of the vehicle (52% better than other 2005 cars)
    • 0.31% fail on Registration plates (52% better than other 2005 cars)
  • 0.29% fail on Road Wheels (40% better than other 2005 cars)
    • 0.21% fail on Attachment (43% better than other 2005 cars)
    • 0.078% fail on Condition (34% better than other 2005 cars)
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