New 4 Buttons Mercedes-Benz Smart Key Remote Case Shell for E C R CL GL SL CLK SLK No Chips Inside Package Include: 1 x key shell for Benz If you have a worn & broken Key Blank /Remote Case, all you need to do is remove the internal component from your old remote and put it in this case Please be sure you have a factory keyless entry system and be certain that this is the proper key for your vehicle This is just a Key Cover shell, there is NO interior (remote/electronics/transponder chips) inside Shipping from US.