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.
Car Problem Reports
Mercedes-Benz S320 Coolant Leak Due to Cracked/Broken Heater Core Outlet Housing
Mercedes-Benz S320 Problem
Average Mileage: 107,710 mi (95,420 mi - 120,000 mi)