Air conditioning service procedure for Model 453 with engine 281, showing filling connections and service unit location.

Service manual page with four vehicle photos showing AC service points and equipment for Smart Fortwo 453.

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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.