2003 Mercedes E-Class Owner's Manual - Page 263

Operation Engine compartment You can check the engine oil level on the multifunction display. Turn the key in the starter switch to position 2. The standard display ( page 121) should appear in the multifunction display. Press button k or j, on the steering wheel until the following message is seen in the multifunction display: Engine oil level - Measuring now! Measurement correct only if veh. level One of the following messages will subsequently appear in the indicator: Engine oil level ok Add 1.0 qt. to reach max. oil level! Adding engine oil (Canada: 1.0 liter) Add 1.5 qts. to reach max. oil level! (Canada: 1.5 liters) Add 2.0 qts. to reach max. oil level! 1 Filler neck Unscrew the cap from filler neck 1. 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. Screw the cap back on the filler neck. (Canada: 2.0 liters) If necessary, add engine oil. ! 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. 263