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Difference between 5W-40 Products
My Mercedes-Benz dealer uses Mobil 1 ESP Formula M 5W-40. Is there a difference between the ESP Formula M from the dealership and the Mobil 1 Turbo Diesel Truck 5W-40 for diesel trucks I see at the local auto parts store?
-- Dave Wells, Reston, VA
Yes, these are totally different products designed for different requirements.