Tire Pressure Monitor (RDK) block diagram and CAN communication schematic for Smart 451 model showing sensor connections and control units.

Two technical diagrams showing tire pressure monitor system architecture and CAN bus communications between sensors and control modules.

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See all Chassis 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.