I don't own a Mercedes, but I thought I'd share this, which I stumbled upon. I think it's a pretty handy reference if you're trying to select an oil with a particular MB specification.
The default for the chart is the MB 229.71 specification. I was sort of surprised how some of the big name oils are NOT listed (i.e., Pennzoil, Valvoline, etc.).
I hope it's helpful.
Ed
Mercedes-Benz Betriebsstoff-Vorschriften
Die Mercedes-Benz Betriebsstoff-Vorschriften zeigen eine Übersicht der Anforderungen der im Fahrzeug benötigten Betriebsstoffe und der empfohlenen Produkte. Betriebsstoffe sind alle zum Betrieb eines Mercedes-Fahrzeugs / Aggregats erforderlichen Flüssigkeiten bzw. Schmiermittel z.B. Kraftstoff...
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The default for the chart is the MB 229.71 specification. I was sort of surprised how some of the big name oils are NOT listed (i.e., Pennzoil, Valvoline, etc.).
I hope it's helpful.
Ed