ESP control unit components and socket wrench set 451 589 00 03 00 for smart 451.3/4 models.

Diagram showing ESP control unit parts with numbered callouts and tool identification for chassis 451.

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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.