smart forfour MOT Results

Registered in 2004
51.8% pass rate
from 494 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 2004 cars and highlighted areas where the smart forfour is unusually good or bad.

  • 32% fail on Lamps, Reflectors and Electrical Equipment (25% worse than other 2004 cars)
    • 14% fail on Registration plate lamp (110% worse than other 2004 cars)
    • 7.9% fail on Position lamps
      • 7.3% fail on Front lamps
      • 0.61% fail on Rear lamps
    • 7.9% fail on Stop lamp
    • 7.1% fail on Headlamps
      • 7.1% fail on Headlamp
    • 6.5% fail on Headlamp aim
    • 5.3% fail on Direction indicators (69% worse than other 2004 cars)
      • 5.3% fail on Flashing type (69% worse than other 2004 cars)
        • 2.8% fail on Side repeaters (170% worse than other 2004 cars)
        • 2.2% fail on Individual lamps
        • 0.40% fail on All direction indicators
        • 0.20% fail on Tell tales
    • 1.8% fail on Battery
    • 1.8% fail on Horn (200% worse than other 2004 cars)
    • 0.61% fail on Rear fog lamp
      • 0.61% fail on Fog lamp
    • 0.40% fail on Headlamp aim not tested
    • 0.20% fail on Trailer electrical socket
    • 0.20% fail on Rear reflectors
  • 12% fail on Suspension (43% better than other 2004 cars)
    • 3.6% fail on Anti-roll bars
      • 3.2% fail on Linkage pins/bushes/ball joints
      • 0.40% fail on Pins/bushes/ball joints
    • 3.0% fail on Coil springs
      • 3.0% fail on Condition
    • 2.2% fail on Wheel bearings
      • 1.6% fail on Front
      • 0.81% fail on Rear
    • 1.4% fail on Shock absorbers
      • 1.4% fail on Condition
    • 1.2% fail on Suspension arms (73% better than other 2004 cars)
      • 1.2% fail on Pins/bushes/ball joints (71% better than other 2004 cars)
    • 0.61% fail on Drive shafts (84% better than other 2004 cars)
      • 0.61% fail on Front drive shafts (84% better than other 2004 cars)
        • 0.61% fail on Constant velocity joints (84% better than other 2004 cars)
    • 0.20% fail on Radius arms
      • 0.20% fail on Pins/bushes/ball joints
    • 0.20% fail on Tie bars/rods
      • 0.20% fail on Pins/bushes/ball joints
    • 0.20% fail on Front suspension joints
  • 11% fail on Brakes
    • 8.5% fail on Brake performance
      • 4.9% fail on Parking brake performance
      • 3.6% fail on Rear wheels
      • 1.8% fail on Front wheels
      • 0.20% fail on Brake imbalance
      • 0.20% fail on Brake performance not tested
    • 2.8% fail on Hub components
      • 2.2% fail on Brake pads
      • 0.40% fail on Brake discs
      • 0.20% fail on Brake calipers
    • 0.61% fail on Parking brake
      • 0.61% fail on Condition
    • 0.61% fail on Hydraulic systems (88% better than other 2004 cars)
      • 0.40% fail on Components (92% better than other 2004 cars)
        • 0.40% fail on Hoses
        • 0.20% fail on Reservoirs
      • 0.20% fail on Leaks
    • 0.61% fail on ABS
    • 0.20% fail on Electronic stability system
  • 8.1% fail on Driver's view of the road
    • 6.3% fail on Wipers
    • 1.8% fail on Washers
    • 0.40% fail on Mirrors
    • 0.20% fail on Windscreen
  • 7.9% fail on Tyres
    • 4.5% fail on Tread depth
    • 3.6% fail on Condition
    • 0.61% fail on Valve stem (5 times worse than other 2004 cars)
  • 4.7% fail on Body, Structure and General Items (170% worse than other 2004 cars)
    • 4.5% fail on Doors (8 times worse than other 2004 cars)
      • 3.0% fail on Drivers (28 times worse than other 2004 cars)
      • 1.0% fail on Passengers front (6 times worse than other 2004 cars)
      • 0.61% fail on Passengers other
    • 0.20% fail on Body condition
  • 2.6% fail on Exhaust, Fuel and Emissions (59% better than other 2004 cars)
    • 1.4% fail on Emissions
    • 1.2% fail on Exhaust system (68% better than other 2004 cars)
    • 0.40% fail on Emissions not tested
    • 0.20% fail on Fuel system
      • 0.20% fail on Cap
  • 2.4% fail on Steering (50% better than other 2004 cars)
    • 1.4% fail on Steering system (68% better than other 2004 cars)
      • 1.4% fail on Track rod end
    • 0.40% fail on Steering operation
    • 0.40% fail on Power steering
      • 0.40% fail on Operation
    • 0.20% fail on Steering control
      • 0.20% fail on Steering coupling
        • 0.20% fail on Universal joint
  • 1.4% fail on Registration plates and VIN
    • 1.4% fail on Registration plate
  • 0.81% fail on Seat Belts and Supplementary Restraint Systems (73% better than other 2004 cars)
    • 0.81% fail on Supplementary restraint systems
      • 0.61% fail on SRS Malfunction Indicator Lamp
      • 0.20% fail on Drivers airbag
  • 0.61% fail on Road Wheels
    • 0.40% fail on Attachment
    • 0.20% fail on Condition
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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