The ACEA 2016 European Oil Sequences for Service-fill Oils for Gasoline & Light Duty Diesel Engines (A/B Categories), Gasoline & Light Duty Diesel Engines with Exhaust Aftertreatment Devices (C Categories), and Heavy Duty Diesel Engines (E Categories) are detailed in this document. The sequences define the minimum quality level of a product for presentation to ACEA members. Individual member companies may indicate performance parameters other than those covered by the tests shown or more stringent limits. The document was first released on December 2, 2016, and has been updated twice, on November 27, 2017, and December 1, 2018. The updates include corrections and additions to the sequences.