High-voltage PTC heater assembly with ceramic modules, aluminum fins, and control electronics for electric smart fortwo 451.

Exploded view of high-voltage PTC heater showing air conditioner housing, connections, and heater module N33/5

View full-size image ↗

See all EV-specific figures for the Fortwo (451), 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.