What navigation CD is needed for a 2004 Mercedes ML 350?

For a 2004 Mercedes ML 350, the appropriate navigation CD is usually the "MB Navigation CD" specific to the region you are in, such as North America or Europe. You should look for a version compatible with the vehicle’s COMAND system. It's important to verify the exact model and year to ensure compatibility, as updates may be available for improved navigation features. Always consult your owner's manual or a Mercedes dealership for the most accurate information.