2004 Mercedes C-Class Owner's Manual - Page 254

Operation Engine compartment Checking engine oil level with the control system When checking the oil level the vehicle must be parked on level ground be at normal operating temperature have been stationary for at least five minutes with the engine turned off To check the engine oil level via the multifunction display, do the following: Turn the SmartKey in the starter switch to position 2. The standard display ( page 113) 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 MEASURE. CORRECT ONLY IF VEH. LEVEL i If you want to interrupt the checking procedure, press the k or j button on the multifunction steering wheel. One of the following messages will subsequently appear in the indicator: ENGINE OIL LEVEL OK ADD 1.0 Qt. TO REACH MAX. OIL LEVEL! If necessary, add engine oil. For adding engine oil see ( page 255). More information on engine oil can be found in the "Technical data" section ( page 349) and ( page 352). Other display messages If the SmartKey is not turned to position 2 in the starter switch, the following message will appear: FOR ENGINE OIL LEVEL SWITCH ON IGNITION! (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! Switch on the ignition. (Canada: 2.0 LITERS) 254