2004 Mercedes C-Class Owner's Manual - Page 256

Operation Engine compartment ! Excess 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 filler cap 1 back on filler neck. C 230 Kompressor Sport Be careful not to spill any oil when adding. Avoid environmental damage caused by oil entering the ground or water. ! Excess 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 filler cap 1 back on filler neck. More information on engine oil can be found in the "Technical data" section ( page 349) and ( page 352). Transmission fluid level 1 Filler cap Unscrew filler cap 1 from filler neck. Add engine oil as required. 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. C 240, and C 320 (all models), C 32 AMG 1 Filler cap Unscrew filler cap 1 from filler neck. Add engine oil as required. Be careful not to overfill with oil. The transmission fluid level does not need to be checked. If you notice transmission fluid loss or gear shifting malfunctions, have an authorized Mercedes-Benz Center check the transmission. 256