2009 Mercedes CLS-Class Owner's Manual - Page 203

Operation Engine compartment Checking engine oil level X Open the hood (Y page 199). i CLS 550: The filling quantity between the upper and lower marks on the oil dipstick is approximately 2.1 US qt. (2.0 l). i CLS 63 AMG: The filling quantity between the upper and lower marks on the oil dipstick is approximately 1.6 US qt. (1.5 l). X 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. If necessary, add engine oil. 1 Oil dipstick 2 Upper (max) mark 3 Lower (min) mark X X X X For more information on engine oil, see "Fuels, coolants, lubricants etc." (Y page 343). For information on messages in the multifunction display concerning engine oil, see the "Practical hints" section (Y page 282). Pull out oil dipstick 1. Wipe oil dipstick 1 clean. Fully insert oil dipstick 1 into the dipstick guide tube. Pull out oil dipstick 1 again after approximately 3 seconds to obtain accurate reading. The oil level is correct when it is between lower (min) mark 3 and upper (max) mark 2 of oil dipstick 1. Adding engine oil ! 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). Using engine oils and oil filters of specification other than those expressly required for the Maintenance System, or changing CLS 550 1 Filler cap Z 201