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Originally Posted by sc_rufctr
Thanks for the input. Just one question around the head gasket issues of the 6 cylinder engine.
Does replacing the head gasket when (if) it fails solve the problem for good or does it reoccur latter on?
There's mixed info about the issue on-line.
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Allegedly the head gasket was redesigned and the updated gasket is less problematic. Assuming you have head milled etc you should be fine. The problem is that because the leak is external, many folks let them go until they fail catastrophically causing a major overheat. Then its an issue of making sure the head/block interface is perfect again before installing the new gasket.
When mine in the e320 wagon let go I was on the highway. Ended up milling the head and replacing pretty much the entire cooling system. This was at around 160k. Car was given away, now has over 200k and is going strong.
BTW, the secret to success with these cars, like most depreciated luxury cars, is condition and care. They are not cheap to keep up, which is why low demand keeps the prices down. As a consequence, folks buy them and use them up-like 944's were for a while.