Which engine oil for a Renault Laguna 2.2 dCI?

For a Renault Laguna 2.2 dCI, it is recommended to use fully synthetic engine oil that meets the specifications of ACEA C3 and API SN. A common viscosity grade for this engine is 5W-30, which provides good performance in various temperatures. Brands like Total, Mobil, or Castrol offer suitable options. Always check the owner's manual for specific recommendations and any updates on oil specifications.