2006 Mercedes E-Class Owner's Manual - Page 323

Operation Engine compartment If engine is at operating temperature, wait 5 minutes before repeating check procedure. If engine is not at operating temperature yet, wait 30 minutes before repeating check procedure. If you see the message: Engine oil level Not when engine on If there is excess engine oil with the engine at operating temperature, the following message will appear: Engine oil level Reduce oil level Checking engine oil level with the oil dipstick (E 350) When checking the oil level the vehicle must be parked on level ground with the engine at operating temperature, the vehicle must have been stationary for at least 5 minutes with the engine turned off with the engine not at operating temperature yet, the vehicle must have been stationary for at least 30 minutes with the engine turned off Have excess oil siphoned or drained off. Contact an authorized Mercedes-Benz Center. ! Excess oil must be siphoned or drained off. It could cause damage to the engine and catalytic converter (gasoline engine) not covered by the Mercedes-Benz Limited Warranty. For more information on messages in the multifunction display concerning engine oil, see the "Practical hints" section ( page 407). Turn off the engine. If the engine is at operating temperature, wait 5 minutes before checking oil. If the engine is not at operating temperature yet, you must wait 30 minutes before checking oil. 322