Condition: 100% Brand New Features:remote car key design: fashion car styling Material: abs+metal Color: show the picture Button:2/3/4 Buttons blade;HAVE battery:have circuit board;yes Frequency : 315/433MHz Weight: 30g Fitment: For Mercedes Benz Year 2000+ Supports Original NEC and BGA And 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: 1xkey 1xCircuit board 1xBattery Important Note:please check your FCC ID and the same key shape with your key.