TYPE OF USE: Fuel Economy Gasoline engine lubricant, specially formulated for OEMs requiring engine oil with very low HTHS viscosity (High Temperature High Shear) = 2.6 mPa.s. and "Mid SAPS" with reduced content of Sulfated Ash (= 0.8%), Phosphorus (0.07% = x = 0.09%) and Sulfur (= 0.3%). Suitable for latest generation Gasoline and Diesel engines meeting very low emission standards, when a viscosity grade 20 and "Fuel Economy" is required. ; PERFORMANCES: The ACEA C5 standard requires significant oil film resistance and low emissions.; MB 229.71 standard is particularly demanding in terms of Fuel Economy performance. 8100 ECO-CLEAN 0W-20 provides significant fuel economy performance (up to 1% compared to a reference 5W-30 MB 229.51 oil).; MB-Approval 229.71 is a unique approval and as such is not backward compatible and does not cover any other MB standards.; FIAT 9.55535-DSX specification requires the lubricant to be both SAE 0W-20 and Mid-SAPS in order to perfectly lubricate some of the latest generation of Gasoline and Diesel engines from FIAT (Fiat, Alfa-Romeo, Lancia). ; RECOMMENDATIONS: Drain interval: according to manufacturers? recommendations and tune to your own use. Do not mix with lubricants not ACEA C5 compliant. Before use always refer to the owner manual of the vehicle.