Smart Roadster 452 SAM electrical schematic page 1 of 3 showing fuse circuit distribution and power supply wiring diagram.

Electrical schematic with fuse boxes, circuit paths, and component connections for Smart Roadster 452.

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See all Electrical figures for the Roadster (452), 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.