Mobil 1 0W-40"s wide viscosity range provides unsurpassed levels of protection and an overall smooth driving experience. Mobil 1 0W-40 meets key industry and car builder specifications for Mercedes MB 229.5, Porsche approval list 2002, GM-LL-A-025 (gasoline), ACEA A3, B3/B4, BMW Long life 01, VW 502.00/505.00/503.01, GM-LL-B-025 (diesel), and API SM/CF. Exceeding industry standards and the major leading builder requirements is the cornerstone of the performance reserve that lets Mobil 1 0W-40 keep performing well after conventional oils cannot. Mobil 1 0W-40 provides the widest range of protection providing the extreme cold start protection of an 0W grade and the high temperature protection of an SAE 40 grade. Mobil 1 0W-40 is the most advanced performance synthetic engine oil designed to provide ultimate cleaning power, wear protection and overall performance. Mobil 1 0W-40, european car formula (NA) or protection formula (EU), exceeds the requirements of the leading industry and car manufacturers" standards required for newer modern gasoline and diesel powered automobile engines. The technology is race proven and the choice of NASCAR racing. Mobil 1 0W-40 is perfect for all types of vehicles anywhere in the world and has the performance reserve to protect when conventional engine oils cannot. It is the first choice at the factory for the some of the world"s finest performance vehicles like Mercedes-Benz AMG, Porsche, and Aston Martin. Mobil 1 0W-40 is made with a proprietary blend of ultra high performance synthetic base stocks fortified with supersyn technology. Mobil 1 0W-40"s wide viscosity range provides unsurpassed levels of protection, fuel savings and the best overall smooth driving experience. Mobil 1 0W-40 keeps engines starting in arctic extreme cold and cleans deposits, sludge and varnish often formed in high temperature operating conditions.