Engine 134.9, 135.9 removal and installation procedure with transmission for model 454.0 Smart Fortwo.

Engine bay diagram with numbered callouts showing transmission, fuel lines, coolant hoses, and mounting points.

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See all Powertrain figures for the Fortwo / Forfour (453), 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.