What's the 2001 mercedes c320 engine oil type?

The 2001 Mercedes C320 uses SAE 5W-30 oil and Mercedes recommends that You use full synthetic oil for the best protection on Your engine. It is important to use the correct oil with Your vehicle because that is what the manufacturer decided offers the best defense against wear and tear of the moving components. There are two main types of oil on the market, synthetic and conventional. Synthetic oil is made in a lab and uses chemicals to mimic the properties found in conventional oil that is made of petroleum. Synthetic oil offers longer life than conventional oil because it breaks down much slower in the engine. That means in general You will only need to change Your oil every 7,500 miles compared to 3,000 to 5,000 miles using conventional.