Front seat backrest foam section components for Smart 450/451/452/454 with numbered callouts identifying frame, harness, and heated cushion parts.

Exploded diagram of front seat backrest showing foam, frame, wiring harness, and heated cushion components with numbered labels.

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See all Body & Interior 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.