2009 Mercedes R-Class Owner's Manual - Page 404

Technical data Fuels, coolants, lubricants etc. Approved engine oils Engine oils are specifically tested for their suitability in our engines and durability for our service intervals. Therefore, only use approved engine oils and oil filters required for vehicles with Maintenance System. For a listing of approved engine oils and oil filters, contact an authorized Mercedes-Benz Center or visit www.mbusa.com (USA only). Use the table below to determine the MB sheet number. Model R 320 BlueTEC R 350 Engine type 642 272 MB sheet number 229.51 229.5 Engine oil additives ! Do not blend oil additives with engine oil. They may damage the engine. Damage or malfunctions resulting from blending oil additives are not covered by the MercedesBenz Limited Warranty. Air conditioning refrigerant ! Using engine oils and oil filters of specification other than those expressly required for the Maintenance System, or changing of oil and oil filter at change intervals longer than those called for by the Maintenance System will result in engine or emission control system damage not covered by the Mercedes-Benz Limited Warranty. Please follow Maintenance System recommendations for scheduled oil changes. Failure to do so will result in engine or emission control system damage not covered by the Mercedes-Benz Limited Warranty. Mercedes-Benz recommends MOBIL OIL. i MB sheet numbers are printed on the outside of oil containers. Viscosity grades for engine oils Using the chart below, select oil viscosity according to the lowest air temperature expected before the next oil change. R-134a (HFC) refrigerant and special PAG lubricating oil are used in the air conditioning system. ! Never use R-12 (CFC) or mineral-based lubricating oil. Otherwise damage to the system will occur. 402