2002 Mercedes C-Class Owner's Manual - Page 145

Instruments and controls Operation Driving Instrument cluster display Practical hints Car care Technical data Index Engine oil level indicator One of the following messages will subsequently appear on the indicator: "ENGINE OIL LEVEL - O.K." No oil needs to be added. "ENGINE OIL LEVEL - ADD 1.0 QUART" (Canada: 1.0 L) "ENGINE OIL LEVEL - ADD 1.5 QUART" (Canada: 1.5 L) "ENGINE OIL LEVEL - ADD 2.0 QUART" (Canada: 2.0 L) See "Adding engine oil level", on page 321 for instructions on adding engine oil. "ENGINE OIL LEVEL - REDUCE OIL LEVEL" Do not overfill the engine. 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. 142 The "MEASURING NOT POSSIBLE" message will be displayed if a proper oil level check cannot be performed. The engine oil level check can be repeated after a short while. Notes: See malfunction and warning messages on page 293 and page 303 if an engine oil level indicator appears on the multifunction display when the engine is running. The engine oil level cannot be checked while the engine is running. The "ENGINE OIL LEVEL - NOT WHEN ENGINE ON" message will appear. Engine oil consumption Engine oil consumption checks should only be made after the break-in period. During the break-in period, higher oil consumption may be noticed and is normal. Frequent driving at high engine speeds results in increased consumption.