Seat cushion components identification for Smart 450/451/452/454 including heater, brackets, connectors, and belt buckle assembly.

Three technical diagrams showing seat cushion parts with numbered callouts for heater plugs, brackets, connectors, console, backrest, screws, grommet, buckle, and sensor components.

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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.