So I call the dealer and say 'I've been doing some reading and I want to try an experiment. I want to replace the engine lifting 'eye' o ring because the way the engine sits and the lack of other clues like no oil in the coolant and no coolant in the oil suggests this part and not the head gasket'.
He says 'The WHAT??????????????????? Had to laugh to myself but made the appointment anyway. I'll update later.....

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dtf
1994 E320 Wagon (Died @ 308,669 miles)
1995 E300 Diesel (228,000)
1999 E300 Turbodiesel ( died @ 255,000)
2006 Toyota Tundra SR5 AC 4X4 (115,000 miles) rusted frame - sold to chop shop
2011 Audi A4 Avant (165,000 miles) Seized engine - donated to Salvation Army
BMW 330 xi 6 speed manual (175,034 miles)
2014 E350 4Matic Wagon 128,000 miles
2018 Dodge Ram 21,000 miles