Engine Oil and Coolant Leaks Resulting in Fulid Intermix on Mercedes-Benz 300TE 4MATIC

Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in severe engine damage.

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Average mileage: 175,000 (175,000–175,000)
4 model years affected: 1990, 1991, 1992, 1993
5 people reported this problem
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Head gasket has limited life on these engines; MB tech says this is a known weak point but MB has not upgraded material. Replaced the first at 118,000mi. At that point it blew with high revs and got coolant into combustion chamber - loss of power. Second time was gradual failure and got engine oil in coolant and caused cooling system to fail - hoses ruptured and rad gummed up.