2003 Mercedes ML-Class Owner's Manual - Page 205

Operation Engine compartment Oil dipstick Adding engine oil Unscrew the oil filler cap 2 from the filler neck. Be careful not to overfill with oil. Be careful not to spill any oil when adding. Avoid environmental damage caused by oil entering the ground or water. ! 1 Oil dipstick 2 Oil filler cap Remove the oil dipstick 1. Wipe the oil dipstick clean. Fully insert dipstick in tube, and remove after three seconds. The engine oil level must be between the lower (min) and upper (max) mark of the dipstick. Add engine oil if necessary. Excessive oil must be siphoned or drained off. It could cause damage to the engine and catalytic converter not covered by the Mercedes-Benz Limited Warranty. Screw the oil filler cap back on the filler neck. More information on engine oil can be found in the "Technical data" section ( page 286). i Fill quantity between upper and lower dipstick marking, the level is approximately 2.1 US qt (2.0 l). 205