Smart Forfour (453) Common Problems & Reliability
The second-generation Smart Forfour (Type 453) returned to the brand's roots, utilizing a rear-engine, rear-wheel-drive layout shared entirely with the Renault Twingo Mk3. This layout provided incredible packaging, allowing for a spacious cabin and an astonishingly tight turning circle in a very short car. In the UK, it serves as an excellent, highly maneuverable city car that can comfortably carry four adults on short trips. The introduction of the EQ (electric) version made it a popular choice for urban commuting. Reliability is robust, sharing its mechanicals with Renault, though the ride is noticeably firm. It is ideal for city families or those who need ultimate maneuverability and four doors.
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Detailed fault breakdown, symptoms, and estimated repair bills by production year.
Most Common Smart Forfour (453) Faults & Repair Costs
Rear Door Handle Cable Failure
The cables inside the rear doors can snap or become detached, meaning the door cannot be opened from the outside.
Exterior rear door handle feels loose, Door only opens from the inside
Twinamic Gearbox Judder
The dual-clutch transmission can develop a judder, especially when pulling away from a standstill or in heavy traffic.
Vibration when pulling away, Hesitation when shifting between 1st and 2nd
Suspension Bottoming Out and Rapid Wear
The suspension is quite stiff and can bottom out on speed bumps or rough roads. Front suspension arms and silent blocks wear rapidly, especially with kerb impacts in city driving.
Knocking over speed bumps, Reduced stability, Increased tyre wear, Bottoming out on rough surfaces
Buying a used Smart Forfour (453)? Always check for hidden finance and write-off history.
Mechanical problems are only half the battle. Over 1 in 3 UK used cars checked have unpaid finance or accident write-off records that could cause you to lose the car or thousands in value.