

Engine: 8qts Mobil 1 European Car Formula 0w-40 and MANN Filter.Transfer Case: Mercedes ATF (purchased from dealership and ran me about $52~ total for 2qts).I only went thicker since my ML sees a lot of towing Front/Rear Diff: Castrol GL-5 gear oil 75w140 (3Ltrs) *Not recommended if you're just daily driving it and will choose 75w90.Here's from my research and what I've chosen since I am using my 04 ML500 for towing: Click to expand.I'll probably get shit about this but I have did the follow yesterday and plan to tackle the transmission today front/rear diff, transfer case, and engine oil.
