Electrical center wiring diagram page 5 of 6 showing relay circuits, fuses, and control module connections for smart 450/451/452/454.

Wiring diagram with relay boxes, fuse connections, and numbered wire routes for smart electrical center.

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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.