New Uncut Repair Remote Smart Key Case Shell fit for Mercedes Benz 4/3+panic Buttons Black is like the picture show, 4 buttons(3+panic), Key Blank, No Transponder Chip and Electronics/Battery, shipping time is about 7-15days 1 X Keyless Entry Key Remote Fob Case, Best replacement for broken or worn keys, or great for an additional key. The key is uncut and needs be brought to a locksmith or a dealer to be cut to match your car. Cut the key blade, take the internal electronics (include immobilizer/transponder chip) from original remote and place them to our key shell, then it is OK! There's no programming needed. Pls kindly check out your key button position before buying, make sure your remote key case looks exactly the same with our case.