Radio wiring diagram page 2 of 4 showing connector pinouts and signal routing for smart 450/451/452/454 models.

Wiring diagram with multiple connectors X134/1, X134/2, A2/13, and circuit paths labeled with wire colors and signal names.

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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.