2004 Mercedes CL-Class Owner's Manual - Page 265

Operation Engine compartment Checking the engine oil level with the oil dipstick (CL 500, CL 55 AMG only) When checking the oil level the vehicle must be parked on level ground be at normal operating temperature have been stationary for at least five minutes with the engine turned off Fully insert oil dipstick 1 into the dipstick guide tube. Pull out oil dipstick 1 again after approximately three seconds to obtain accurate reading. i The filling quantity between upper and lower oil dipstick marking level is approximately 2.1 US qt (2.0 l). If necessary, add engine oil. For adding engine oil see ( page 265). For more information on engine oil, see the "Technical data" section ( page 372) and ( page 374). For more information on messages in the display concerning engine oil, see the "Practical hints" section ( page 310) i The engine oil level can be checked by either the oil dipstick or via the multifunction display in the instrument cluster ( page 262). The amount of engine oil needed is shown more precisely in the multifunction display. To check the engine oil level with the oil dipstick, do the following: Open the hood ( page 260). Pull out oil dipstick 1 ( page 265). Wipe oil dipstick 1 clean. Oil dipstick The oil level is correct when it is between the lower (min) and upper (max) mark of the oil dipstick. 264