What's the 2003 mercedes e320 oil type?

The 2003 Mercedes-Benz E320 uses SAE 5w-30 full synthetic oil. It has a capacity of 8.5 quarts. Oil is important because it is a lubricant for the engine parts, it helps protect the emission system, and it can enhance fuel economy. The cost of an oil change for Your Mercedes is between $60 and $70 for labor and between $200 and $210 for parts. You should get an oil change every 7,500 miles or 5 to 6 months. You will know that it is time for an oil change if You notice transmission shifting issues, increased engine noise, shaking while idling, excess vehicle exhaust, an oil smell inside the vehicle and of course if You see the Check Engine or Oil Change lights come on.