Checked the hoses, all look fine. The very slight bubbling can be seen with a flashlight (after the engine is warmed up), right at the head gasket seam. It is slight, however, my fear is if I let it go any further, I may end up with a more serious problem.

I have never used Barsleak, not sure how good a "fix" that may be. Has anyone had a good experience with it in their Benz?

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MikeT
1985 300DT (Cali), 285,000 miles
1985 Ford F-250 6.9L, 280,000 miles