Costco deal thru 10/28/18: Mobil 1 0W-40, $4.67 per quart, free shipping

Sold in 6-qt boxes. Slightly backordered.

https://www.costco.com/Mobil-1-Advanced-Full-Synthetic-Motor-Oil-0W-40.product.100169676.html

Do a lot of people use 0w-40 instead of the 5w-30 and 5w-40 recommended? Just bought our 2007 last week so digging in to these forums. Thanks!

It seems like a popular choice for a T1N, which is what I'm using it for, but recommendations for a 2007 might be different.

Your manual should specify the MB spec number for approved oil in your vehicle, then you can look it up here:

https://bevo.mercedes-benz.com/bevolisten/bevo-sheets-sort1.html