Mercedes-Benz SLC MOT Results

Registered in 2017
89.7% pass rate
from 3,529 tests in 2021
(22% better than other 2017 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 2017 cars and highlighted areas where the Mercedes-Benz SLC is unusually good or bad.

  • 5.8% fail on Tyres (68% worse than other 2017 cars)
    • 4.8% fail on Condition (150% worse than other 2017 cars)
    • 0.99% fail on Tread depth (36% better than other 2017 cars)
    • 0.057% fail on Size/type
  • 1.0% fail on Lamps, reflectors and electrical equipment (60% better than other 2017 cars)
    • 0.74% fail on Headlamp aim (44% better than other 2017 cars)
      • 0.71% fail on Headlamp aim (44% better than other 2017 cars)
      • 0.028% fail on Headlamp aim not tested
    • 0.17% fail on Direction indicators
      • 0.17% fail on Flashing type
        • 0.11% fail on Individual direction indicators
        • 0.057% fail on Side repeaters
    • 0.11% fail on Headlamps (78% better than other 2017 cars)
      • 0.11% fail on Headlamp (73% better than other 2017 cars)
    • 0.057% fail on Front and rear fog lamps
      • 0.057% fail on Rear fog lamp
        • 0.057% fail on Rear fog lamp
    • 0.028% fail on Stop lamp
  • 0.68% fail on Noise, emissions and leaks
    • 0.68% fail on Exhaust emissions
      • 0.51% fail on Spark ignition
        • 0.40% fail on Catalyst emissions (2 times worse than other 2017 cars)
        • 0.11% fail on Malfunction indicator lamp
      • 0.17% fail on Compression ignition
        • 0.17% fail on Malfunction indicator lamp
  • 0.60% fail on Suspension
    • 0.34% fail on Suspension arms
      • 0.17% fail on Ball joint dust cover (5 times worse than other 2017 cars)
      • 0.14% fail on Ball joint
      • 0.028% fail on Pins and bushes
    • 0.085% fail on Springs (75% better than other 2017 cars)
      • 0.085% fail on Coil springs (75% better than other 2017 cars)
        • 0.085% fail on Coil spring (75% better than other 2017 cars)
    • 0.057% fail on Shock absorbers
    • 0.057% fail on Other suspension component
      • 0.028% fail on Ball joint
      • 0.028% fail on Ball joint dust cover
    • 0.028% fail on Wheel bearings
    • 0.028% fail on Anti-roll bars
      • 0.028% fail on Ball joint
  • 0.60% fail on Road Wheels (2 times worse than other 2017 cars)
    • 0.48% fail on Condition (7 times worse than other 2017 cars)
    • 0.11% fail on Attachment
  • 0.57% fail on Visibility (85% better than other 2017 cars)
    • 0.28% fail on Wipers (90% better than other 2017 cars)
    • 0.26% fail on Washers (74% better than other 2017 cars)
    • 0.028% fail on Condition of glass
      • 0.028% fail on Windscreen
  • 0.48% fail on Identification of the vehicle (130% worse than other 2017 cars)
    • 0.48% fail on Registration plates (140% worse than other 2017 cars)
  • 0.37% fail on Brakes (82% better than other 2017 cars)
    • 0.14% fail on Mechanical brake components (90% better than other 2017 cars)
      • 0.085% fail on Brake linings and pads (93% better than other 2017 cars)
        • 0.085% fail on Brake pads (93% better than other 2017 cars)
      • 0.085% fail on Brake discs and drums (75% better than other 2017 cars)
        • 0.085% fail on Brake discs (75% better than other 2017 cars)
    • 0.085% fail on Brake performance (82% better than other 2017 cars)
      • 0.057% fail on Service brake performance (80% better than other 2017 cars)
        • 0.057% fail on Rbt (80% better than other 2017 cars)
          • 0.028% fail on Service brake performance
          • 0.028% fail on Service brake imbalance
      • 0.028% fail on Parking brake efficiency (sp)
        • 0.028% fail on Rbt (sp)
    • 0.085% fail on ABS / EBS / ESC
      • 0.085% fail on Electronic stability control
      • 0.057% fail on Anti-lock braking system
    • 0.057% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.028% fail on Hydraulic brake callipers
      • 0.028% fail on Hydraulic brake cylinder
  • 0.11% fail on Seat belts and supplementary restraint systems
    • 0.11% fail on SRS malfunction indicator lamp
    • 0.028% fail on Seat belts
      • 0.028% fail on Attachment
  • 0.057% fail on Steering
    • 0.028% fail on Steering gear
      • 0.028% fail on Steering rack
    • 0.028% fail on Power steering
      • 0.028% fail on Operation
  • 0.028% fail on Body, chassis, structure
    • 0.028% fail on Transmission
      • 0.028% fail on Drive shafts
        • 0.028% fail on Joints
Read the Honest John Review

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