Filter drier, front CBS, screws, cover and circlip identification for Smart 450/451 air conditioning system.

Exploded diagram showing filter drier assembly, CBS unit, fasteners, and AC system components with numbered callouts.

View full-size image ↗

See all HVAC & Comfort 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.