Fully synthetic engine oil. MOBIL 1 Fuel Economy 0W30 A5/B5 is a low-viscosity, fuel-saving engine oil and is designed for year-round use in modern gasoline and diesel engines. The oil provides maximum protection for engine parts even when starting in very cold weather. Mobil engine oils have very good washing and lubricating properties. Using Mobil oils improves the corrosion resistance of your vehicles engine and increases engine power and energy efficiency.

MOBIL 1 Fuel Economy 0W30 A5/B5 is particularly suitable for use in Volvo passenger car engines. The oil exceeds the requirements for oils with the ACEA A5/B5 standard.  

See Mobil oils compatibility chart here»