Condition: Features:remote car keydesign: fashion car stylingMaterial: abs+metalColor: show the pictureButton:2/3/4 Buttonsblade;HAVEbattery:havecircuit board;yesFrequency : 315/433MHzWeight: 30gFitment:For Mercedes Benz Year 2000+ Supports Original NEC and BGAAnd other model with the same specifications of key blank and battery holder listed as below section...Features:Best replacement for a key with broken buttons or worn key case.Key case only. Not electronic internals. This is an replacement caseTake the internal electronics(include immobilizer/transponder chip) from original remote.Important Notice1.This item isa remote,it is just a remote key shell case replacement.2.There is(remote/electronics/transponder chip)unit inside.3.Please check your key look the same as the one in our product picture above before you purchase.Package Includes:1xkey1xCircuit board1xBatteryImportant Note:please check your FCC ID and the same key shape with your key.