-- 2001 - 2002 – 2003 - 2004 -- Mercedes C-Class & CLK Radio AM FM Receiver Part Number: A2038201086 Model Number: CM1010 This listing is for a 2001 to 2004 Mercedes C-Class & CLK factory OEM AM FM radio receiver. This radio is being sold as a REPLACEMENT ONLY! If you do not have this exact part number currently in your vehicle it will NOT WORK. If you are unsure of your part number give us a call 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. This radio requires dealer turn-on. Any Mercedes dealer can unlock the radio and it is literally a 5 minute process. Most dealers charge anywhere from $75 to $100 but some will do it free of charge if you have a good relationship with them. Please make plans before purchase. If you have any questions, feel free to get in touch. Appearance is great as pictured, function is perfect!