Theft protection and locking system component overview for Smart Fortwo 453.0/3/4 with callout locations and part identifications.

Diagram showing door locks, actuators, sensors, and alarm components on Smart Fortwo 453 chassis with labeled callout boxes.

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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.