How often do you have to change the oil in a 2005 c230 Mercedes?

For a 2005 Mercedes-Benz C230, it's generally recommended to change the oil every 7,500 miles or every 12 months, whichever comes first, if using synthetic oil. However, if you frequently drive in severe conditions, such as heavy traffic or extreme temperatures, more frequent changes may be beneficial. Always refer to the owner’s manual for specific recommendations tailored to your driving habits.