Smart 453 fuse and relay box locations under hood and dashboard, model year 2020.

Fuse and relay box locations for Smart 453 with callout diagrams showing engine bay and interior panel positions.

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See all Electrical 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.