I buy oil that is listed on the handy dandy Mercedes spec sheet because I am not an engineer and don't know better then the guys who design these engines.

wbrian63 Thank you that was one of the best posts I have read on this subject in a long time.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200