Mercedes-Benz Remote Key This is a used item. There are fine scratches on the sides, etc. Please check the images. Please refrain from purchasing if you are sensitive to such imperfections. Power-on confirmed. This is a registered spare key. Please understand that initialization is required before registration. Smart key registration requires bringing the vehicle in for registration. As this is a private listing, I cannot provide support for installation methods, etc. Please note that I am not responsible for any issues caused by initialization or re-setting. Please understand that this is a used item. Thank you for your understanding. *To prevent swapping and trouble, returns are not accepted.