2010 Mercedes GL-Class Owner's Manual - Page 372

370 Fuels, coolants, lubricants, etc. Model Air conditioning system Washer system and headlamp cleaning system All models Capacity - Fuels, coolants, lubricants, etc. R134a refrigerant and special PAG lubricant oil (never R 12) MB Windshield Washer Concentrate44 (Y page 375) Washer fluid mixing ratio (Y page 375) All models 7.6 US qt (7.2 l) Technical data 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 the 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 GL 350 BlueTEC GL 450 GL 550 Engine, type 642 273 273 MB sheet number 229.51 229.5 229.5 ! Using engine oils and oil filters of a 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. 44 Mixed with water or commercially available premixed washer solvent/antifreeze.