2006 Mercedes R-Class Owner's Manual - Page 350

Operation Engine compartment To check the engine oil level with the oil dipstick, do the following: Open the hood ( page 345). The oil level is correct when it is between lower mark 3 (min.) and upper mark 2 (max.) mark of the oil dipstick. Adding engine oil ! Only use approved engine oils and oil filters required for vehicles with Maintenance System (U.S. vehicles) or FSS PLUS (Canada vehicles). For a listing of approved engine oils and oil filters, refer to the Factory Approved Service Products pamphlet in your vehicle literature portfolio, or contact an authorized Mercedes-Benz Light Truck Center. Using engine oils and oil filters of specification other than those expressly required for the Maintenance System (U.S. vehicles) or FSS PLUS (Canada vehicles), or changing of oil and oil filter at change intervals longer than those called for by the Maintenance System (U.S. vehicles) or FSS PLUS (Canada vehicles) will result in engine damage not covered by the Mercedes-Benz Limited Warranty. i The filling quantity between the upper and lower marks on the oil dipstick is approximately 2.1 US qt. (2.0 l). If necessary, add engine oil. For more information on engine oil, see "Technical data" section ( page 521) and ( page 523). 1 Oil dipstick 2 Upper mark 3 Lower mark 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. See the "Practical hints" section ( page 437) if the low engine oil level warning lamp in the instrument cluster flashes. 349