smart forfour MOT Results

Registered in 2005
56.1% pass rate
from 1,210 tests in 2017
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 smart forfour is unusually good or bad.

  • 29% fail on Lamps, Reflectors and Electrical Equipment (25% worse than other 2005 cars)
    • 11% fail on Registration plate lamp (76% worse than other 2005 cars)
    • 6.4% fail on Stop lamp (37% worse than other 2005 cars)
    • 6.4% fail on Headlamps (47% worse than other 2005 cars)
      • 6.4% fail on Headlamp (52% worse than other 2005 cars)
    • 6.1% fail on Position lamps
      • 5.5% fail on Front lamps
      • 0.58% fail on Rear lamps
    • 5.5% fail on Headlamp aim
    • 4.3% fail on Direction indicators (48% worse than other 2005 cars)
      • 4.3% fail on Flashing type (48% worse than other 2005 cars)
        • 2.2% fail on Side repeaters (2 times worse than other 2005 cars)
        • 1.8% fail on Individual lamps
        • 0.33% fail on All direction indicators
        • 0.083% fail on Tell tales
    • 1.6% fail on Battery (150% worse than other 2005 cars)
    • 1.4% fail on Horn (2 times worse than other 2005 cars)
    • 0.33% fail on Rear fog lamp
      • 0.33% fail on Fog lamp
      • 0.083% fail on Tell tale
    • 0.25% fail on Headlamp aim not tested
    • 0.083% fail on Rear reflectors
  • 13% fail on Brakes
    • 6.9% fail on Brake performance
      • 4.5% fail on Parking brake performance
      • 4.2% fail on Rear wheels
      • 1.2% fail on Front wheels
      • 0.17% fail on Service brake performance
    • 5.2% fail on Hub components (50% worse than other 2005 cars)
      • 4.4% fail on Brake pads (68% worse than other 2005 cars)
      • 0.83% fail on Brake discs
      • 0.50% fail on Brake calipers
      • 0.083% fail on Brake linings
    • 1.4% fail on Parking brake
      • 1.4% fail on Condition
    • 0.83% fail on ABS
    • 0.66% fail on Hydraulic systems (83% better than other 2005 cars)
      • 0.33% fail on Components (91% better than other 2005 cars)
        • 0.25% fail on Hoses
        • 0.083% fail on Pipes
      • 0.25% fail on Leaks
      • 0.083% fail on Brake fluid warning lamp
    • 0.17% fail on Electronic stability system
    • 0.17% fail on Mechanical components
      • 0.17% fail on Cable
    • 0.083% fail on Air and vacuum systems
      • 0.083% fail on Leaks
  • 10% fail on Suspension (46% better than other 2005 cars)
    • 3.2% fail on Anti-roll bars (40% better than other 2005 cars)
      • 2.3% fail on Linkage pins/bushes/ball joints (43% better than other 2005 cars)
      • 0.74% fail on Pins/bushes/ball joints
      • 0.17% fail on Linkage condition
    • 2.9% fail on Wheel bearings (94% worse than other 2005 cars)
      • 2.0% fail on Rear (120% worse than other 2005 cars)
      • 0.91% fail on Front
    • 2.6% fail on Coil springs (48% better than other 2005 cars)
      • 2.6% fail on Condition (49% better than other 2005 cars)
      • 0.083% fail on Location
    • 0.91% fail on Drive shafts (74% better than other 2005 cars)
      • 0.91% fail on Front drive shafts (74% better than other 2005 cars)
        • 0.91% fail on Constant velocity joints (74% better than other 2005 cars)
    • 0.66% fail on Shock absorbers
      • 0.66% fail on Condition
    • 0.58% fail on Suspension arms (87% better than other 2005 cars)
      • 0.58% fail on Pins/bushes/ball joints (86% better than other 2005 cars)
    • 0.33% fail on Front suspension joints (74% better than other 2005 cars)
    • 0.083% fail on Sub-frames
      • 0.083% fail on Condition
  • 8.3% fail on Driver's view of the road
    • 5.6% fail on Wipers
    • 2.6% fail on Washers
    • 0.41% fail on Windscreen
    • 0.41% fail on Mirrors
  • 7.1% fail on Tyres
    • 4.0% fail on Condition
    • 3.1% fail on Tread depth (41% better than other 2005 cars)
    • 0.33% fail on Size/type
    • 0.083% fail on Valve stem
  • 4.4% fail on Body, Structure and General Items (2 times worse than other 2005 cars)
    • 4.0% fail on Doors (8 times worse than other 2005 cars)
      • 2.0% fail on Drivers (20 times worse than other 2005 cars)
      • 1.6% fail on Passengers front (11 times worse than other 2005 cars)
      • 1.2% fail on Passengers other (4 times worse than other 2005 cars)
    • 0.33% fail on Body condition
    • 0.083% fail on Body security
  • 2.8% fail on Exhaust, Fuel and Emissions (46% better than other 2005 cars)
    • 1.7% fail on Emissions
    • 1.3% fail on Exhaust system (57% better than other 2005 cars)
    • 0.33% fail on Emissions not tested
    • 0.25% fail on Fuel system
      • 0.17% fail on Cap
      • 0.083% fail on System
  • 1.3% fail on Seat Belts and Supplementary Restraint Systems (45% better than other 2005 cars)
    • 1.1% fail on Supplementary restraint systems
      • 0.99% fail on SRS Malfunction Indicator Lamp
      • 0.083% fail on Drivers airbag
    • 0.25% fail on Seat belts (77% better than other 2005 cars)
      • 0.17% fail on Condition
      • 0.083% fail on Attachment
  • 1.2% fail on Steering (71% better than other 2005 cars)
    • 0.99% fail on Steering system (72% better than other 2005 cars)
      • 0.91% fail on Track rod end (63% better than other 2005 cars)
      • 0.083% fail on Steering rack
    • 0.17% fail on Steering operation
  • 0.91% fail on Registration plates and VIN
    • 0.91% fail on Registration plate
  • 0.74% fail on Road Wheels
    • 0.41% fail on Condition
    • 0.33% fail on Attachment
Read the Honest John Review

  • Smart Forfour (2004 - 2006)
    Funky-looking, versatile hatch with plenty of safety kit. Manual versions drive well. Four stars for the diesels, by far the best in the line-up.

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