This COMMAND DASH NAVIGATOR GPS RADIO HEAD UNIT K4084 came off from a 2001 MERCEDES BENZ E55. Ask all questions prior to bidding. It's buyer's responsibility for proper fitment. I do not know if this requires a code, but if it does we do not have it.
Contact us if you're looking for other parts and if have them in inventory. We'll create a sale for that item(s).
Please contact us asap if there's a problem with your part. We'll work with you to get it resolved asap.