Air recirculation unit components and removal/installation procedure for smart 451 with air conditioning plus.

Exploded view of air recirculation box, flap actuator motor, and heater/air conditioner housing with numbered callouts.

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See all HVAC & Comfort figures for the Fortwo (450), 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.