Air conditioning electrical function diagram part 2 of 2, model 451, showing compressor clutch wiring connections and MCU module routing.

Electrical schematic showing AC compressor clutch connections and control module wiring for Smart 451.

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See all Electrical 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.