2007 2008 2009 Mercdes Benz Sprinter 2500, 3500 Single Disc CD Player. Part Number: A 906 820 0786. Dealer unlock required. This is for a Mercedes-Benz Sprinter 2500, 3500 single disc CD player. This CD player has been cleaned, serviced as needed and thoroughly checked. Appearance is fair with minor wear on the face. See pictures for more details. Function is perfect! This radio is being sold as a REPLACEMENT ONLY! The part number is A 906 820 0786. If you do not have this exact part number currently in your vehicle, it will likely NOT WORK. If you are unsure of your part number, contact us with your VIN and we should be able to provide you with the correct part number. They may look the same and have the same plugs but data streams may be different, not allowing them to code. For example, external amps are used in some cars and will not allow interchange, etc. Please Note: This radio will need to be unlocked upon installation in your vehicle by a Mercedes-Benz dealer. This process varies greatly between dealers, please verify cost with your local dealer before purchase.