ME-SFI fuel injection and ignition system wiring diagram page 3 of 5, showing circuits and component connections for Smart 450/451/452/454 chassis.

Complex wiring schematic with multiple circuits, connectors, and labeled component references for fuel injection system.

View full-size image ↗

See all Powertrain 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.