ME-SFI fuel injection control unit (N3/10) location and removal procedure for smart 451/453/454 models.

Engine bay photo showing fuel injection control unit location with numbered callouts and removal steps table.

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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.