Specifications:We produce it by high-precision milling machine and the size is very precise.Good quality blade, easy to cut.Key case and uncut key blade only. Not electronic internals.Get blade cut by local locksmith/dealer or swap the blade with your original one.Take the internal electronics(include immobilizer/transponder chip) from original remote and place them to our key shell, then you are ready.Fitment:For Mercedes Benz SLK E113 A C E W168Item Name: Key Shell CaseMaterial: ABSButtons: 2 ButtonTransponder Chip: NoElectronics/Battery: NoNotes:This item isnt a remote, it is just a remote key shell case replacement.There is NO interior (remote/electronics/transponder chip)unit inside.Please compare with pictures before purchase, make sure your key is exactly as same as picture shows.Due to the light and screen setting difference, the items color may be slightly different from the pictures.Package Includes:1 x Key Shell Case