Fuse box front side layout with 31 numbered fuses and 9 backup fuse slots labeled.

Diagram of Smart fuse box showing positions 1-31 for fuses and R1-R9 for backup slots.

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See all Electrical figures for the Fortwo (451), 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.