Why's my mercedes Sprinter radio display not working?

The most common cause of the radio display no longer working in a Mercedes Sprinter is bad components or parts. Thankfully, it's usually the more affordable end, with loose or bad wiring. The first thing You will need to do is remove the display, and check the wiring for any loose connections, or wear and tear. If they are damaged, they will need to be replaced. This can cost You between $13 and $34 for parts alone. If the fuse is blown, You can purchase a new one for $33 to $87. Paying a professional to rewire the unit will cost between $120 and $185 in labor.