IsItAGoodCar

Common Problems with the
2004–2006 Smart Forfour (454)

We've identified 3 known issues that can affect the 2004–2006 Smart Forfour (454). 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

Clutch Actuator Failure

SeriousGearbox & Transmission

The automated manual gearbox uses an electric actuator that can fail, leaving the car unable to select gears.

Most affected: Softouch / AMT models

Estimated cost: £400–£800Affects: 2004–2006Often appears around: 60,000–90,000 miles

Typical symptoms

  • •Stalling when stopping
  • •Refusal to engage gear
  • •Warning light on dash

What to inspect before you buy

  • ✓Ensure the actuator has been lubricated and adjusted according to service intervals

Rear Wheel Bearing Failure

ModerateSuspension & Chassis

Rear bearings are a known weak point and can start to drone or hum.

Most affected: All models

Estimated cost: £150–£300Affects: 2004–2006Often appears around: 50,000–80,000 miles

Typical symptoms

  • •Droning noise from the rear that increases with speed

What to inspect before you buy

  • ✓Jack up the rear and spin the wheels; listen for roughness

Front Suspension Wear

ModerateSuspension & Chassis

Wishbone bushes and anti-roll bar links wear out, leading to knocks and poor handling.

Most affected: All models

Estimated cost: £150–£400Affects: 2004–2006Often appears around: 60,000+ miles

Typical symptoms

  • •Knocking over bumps
  • •Car pulling to one side

What to inspect before you buy

  • ✓Listen for clonks during the test drive

Buying Tips for the 2004 Smart Forfour (454)

  • ✓The 1.3 and 1.5 petrol engines are very reliable (Mitsubishi units).
  • ✓If buying an "Automatic" (Softouch), ensure it doesn't lurch or stall when coming to a stop.
  • ✓Check the rear disc brakes; they often corrode due to under-use.

Browse 2004–2006 Smart Forfour (454) in our Directory

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Other Smart Forfour (454) Year Periods

2004–2006

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