Piston removal and installation procedure for Smart 454.0 engines 134.9, 135.9 with exploded views of crankshaft, connecting rod, and piston components.

Six technical diagrams showing engine assembly, piston components, and connecting rod disassembly with 11 numbered callouts.

View full-size image ↗

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.