C300 Mercedes Engine Coolant Diagram Hose coolant pipe called c230 2005 mbworld class w203 What's this coolant pipe/hose called? What's this coolant pipe/hose called? - MBWorld.org Forums What's this coolant pipe/hose called? - MBWorld.org Forums Check Details ← C3 Wiring Harness C3100 Wiring Diagram → Share with friends Link copied