I know the first fill on MB diesel engines used to be Run N 30 oil which looked to me like a SAE 30 mineral oil with moly added to it.

Now the diesels get Delvac MX as factory fill.

Thank you for the info

MB oils

http://www.whnet.com/4x4/oil.html

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Received a confirmation on first fill of the Carrera GT. It is indeed a GT1 0W-20. This seems strange because the specs do not reach the approval.

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It is not. I asked Fuchs in Mannheim. GT1 0W-20 is used in the Porsche GT cup in Australia. It is defenitelly not used as factory fill oil for Porsche vehicles in Europe.

Tell that to the Dutch Fuchs. I'm only believing my contacts.

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I'm only believing my contacts.

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...so do I. And I know the OEM Manager who is in charge of Porsche...