Mercedes-Benz S500 Problem Report

Mercedes-Benz S500 Coolant Leak Due to Cracked/Broken Heater Core Outlet Housing

(9 reports)

A cracked or broken heater core outlet housing can cause a coolant leak near the bulkhead (firewall). Our technicians remind us that coolant leaks should be repaired in order to avoid overheating the engine due to coolant loss.

replace, plastic part -
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