2003 Mercedes SL-Class Owner's Manual - Page 229

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 110) should appear in the multifunction display fields. Press button k or j on the steering wheel until the following message is seen in the right display field: Measurement correct only if veh. level One of the following messages will subsequently appear in the indicator: Engine oil level OK Engine oil add 1.0 qt (1.0 liter)! Engine oil add 1.5 qt (1.5 liters)! Engine oil add 2.0 qt (2.0 liters)! Unscrew the cap from the 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. ! 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 cap back on the filler neck. Adding engine oil After about three seconds this message is displayed: Engine oil level - Measuring now! 1 Filler neck 229