Combination filter replacement procedure for smart fortwo 454 with air conditioning, showing cover, filter, and recirculation box locations.

Diagram of smart fortwo door open with callouts pointing to HVAC filter components under dashboard.

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See all HVAC & Comfort figures for the Fortwo / Forfour (453), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.