1、High hardness ABS material shell and metal blade, both solid and durable. 2、Lightweight for easy carry and perfect size for better protection for the key fob. 3、Easy to replace, just take the internal electronics (including the immobilizer / transponder chip) from the original remote control and put into this key case. 4、The best replacement for a key with broken buttons or worn key case. 5、Fits for Mercedes Benz 1984-2004. Features: 1. High hardness ABS material shell and metal blade, both solid and durable. 2. Lightweight for easy carry and perfect size for better protection for the key fob. 3. Easy to replace, just take the internal electronics (including the immobilizer / transponder chip) from the original remote control and put into this key case. 4. The best replacement for a key with broken buttons or worn key case. 5. Fits for Mercedes Benz 1984-2004. Specification: Condition: 100% Brand New Item Type: Car Key Case Material: ABS + Metal Color: Black Button: 1 Button Fitment: Fits for Mercedes Benz 1984-2004 Package List: 1 x Car Key Case Only 1 x Screw Note: 1. This isn't a remote key, it's just a key case. 2. There is no remote/electronic/transponder chip unit inside. 3. Before purchasing, please check the appearance of your key as shown in the product picture above.