Radio wiring diagram page 1 of 4, showing antenna, power, and speaker connections for Smart 450/451/452/454 chassis.

Radio wiring schematic with connectors, switches, and component labels across chassis 450-454.

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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.