Coolant Leak Due to Cracked/Broken Heater Core Outlet Housing on Mercedes-Benz 300SE

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.

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Average mileage: (–)
2 model years affected: 1992, 1993
2 people reported this problem
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