Model 451 frontal acceleration sensors (B48/1 driver-side, B48/2 passenger-side) location on front module and component appearance.

Smart fortwo 451 frontal acceleration sensor locations and physical component showing mounting bracket.

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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.