【Notice before purchase】：This product is suitable for Mercedes Benz NTG5.0 GLC Class X253 from 2015 ~2018 and GLA CLA A Class X156 C117 from 2016 ~2018（include models with NTG5.0, NTG5.1, and NTG5.2 systems,C Class W205 C180, C200, C220, C250, C300, C350, C320, C63, C350E, C43 AMG, C45 AMG, C63 AMG, C63 AMG S, GLC250, GLC300, GLC350e, GLC43 AMG, and GLC63 AMG /A180, A200, A250, A45 AMG, CLA180, CLA200, CLA250, CLA45 AMG, GLA180, GLA200, GLA250, GLA45 AMG.）,Please check the compatibility of your car. If you are unsure, you can inquire with us via Amazon email. Additionally, if you do not know how to install, you can watch our installation video or seek assistance from a car repair shopc.【CarPlay/Android Auto Wireless and wired】：Can add Carplay/Android functionality to your car,allows you to access map navigation, phone contacts, email, notifications, music and more with the help of an intelligent voice assistant. While keeping your hands free, realize completely safe driving operation.【Support for original features】：Keep all original features while adding Linux system features, greatly enhancing your experience. The original car radio, amplifier function, original joystick control, original rear view, reverse camera, and display screen now display speed, fuel level, oil pressure, and safety warnings. The vehicle control unit software has not been changed in any way.【HD 12.3'' Screen】：1920 * 720 high-definition LED display screen touch screen upgrades the original display screen to a large screen, which is perfectly compatible with the original car and can bring you an excellent visual experience.It also has a screen projection function, allowing you to enjoy high-definition viewing of your photos, videos, and more in the car.【Committed to sales Support】：Provides a One-Year global warranty and LIFETIME Technical Service Support. We are always here to assist you.