2005 Mercedes E-Class Owner's Manual - Page 307

Operation Engine compartment Checking engine oil level with the control system 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 five 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 To check the engine oil level via the multifunction display, do the following: Switch on the ignition ( page 33). The standard display ( page 145) 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: One of the following messages will subsequently appear in the indicator: Engine oil level ok Add 1.0 Qt. to reach max. oil level i If you want to interrupt the checking procedure, press the k or j button on the multifunction steering wheel. If necessary, add engine oil. For adding engine oil, see ( page 306). For more information on engine oil, see the "Technical data" section ( page 461) and ( page 464). Other display messages If the SmartKey or KEYLESS-GO start/stop button* is not in position 2, the following message will appear: Switch on ignition to check engine oil level (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 (Canada: 2.0 Liters) Switch on the ignition ( page 33). If you see the message: Observe waiting period 305