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Mercedes-Benz 400SEL Problems

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

Problem Description and Possible Solution

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.

(1 person reported this problem)

Mercedes-Benz 400SEL Vehicles With This Problem

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Average mileage: (–)
1 model year affected: 1993
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Brake problem? Or maybe a faulty head gasket cylinder?
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