Coolant Leak Due to Cracked/Broken Heater Core Outlet Housing on Mercedes-Benz 400SEL

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: (–)
1 model year affected: 1993
1 person reported this problem
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