Smart fortwo (451): known faults of the electronics and interior according to L'argus

Engine / equipment

Smart fortwo (451), all engines

Period mentioned

2007–2014

Symptoms

Repeated brake light switch failure; Doors will not open from inside or rattle; Air conditioning fault from a leak (up to 04/02/2008); Electric window faults; Airbag light on

Possible cause described

According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) Repeated brake light switch failure: Switch plunger. 2) Doors will not open from inside or rattle: Locks. 3) Air conditioning fault from a leak (up to 04/02/2008): Pipe to be replaced. 4) Electric window faults: Control unit. 5) Airbag light on: Control unit.

Check for the garage

Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.

Cost cited in the source

No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database