Smart 451 supplemental restraint system table of contents and driver airbag component identification in steering wheel.

Table of contents showing SRS documentation; photos of steering wheel with airbag unit and ignition squibs labeled R12/13 and R12/14.

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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.