Smart Forfour 454 airbag and fuel system component locations, overhead view with color-coded legend.

Overhead diagram of Forfour 454 showing airbag positions, fuel tank, battery, and gas generators marked with numbered callouts.

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See all Powertrain figures for the Forfour (454), 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.