1、Applicable Model: OBD auto activation tool, replacement for Mercedes‑Benz A / B / CLA / GLA / GLE / CLS series, supports unlimited use. 2、Auto Activation Tool: The Carplay app is only available for IOS systems. For Android phones you can use for Android Auto app. 3、Tips: If for Android auto non apparel, push star button near menu roller. In second line press add application. Scroll the menu until find for android auto. Click on it. Now extra menu is on main menu option. 4、Professional Tool: Manufactured to original production specifications to strict quality standards. Please check your model carefully before use. 5、Plug and Play: Using the original communication protocol, the mobile phone is connected to the car through a cable. Easy to use, no complicated operations required. Item Type: OBD Activation Tool Material: ABS Color: Black Fitment: Replacement for Mercedes‑Benz NTG5S1 Replacement for Mercedes-Benz A-Class W176 01.2016 to 12.2017 Replacement for Mercedes-Benz B-Class W246 01.2016 to 12.2017 Replacement for Mercedes-Benz E-Class W213 01.2016 to 12.2017 Replacement for Mercedes-Benz CLA-Class W117 01.2016 to 12.2017 Replacement for Mercedes-Benz GLA-Class W156 01.2016 to 12.2017 Replacement for Mercedes-Benz GLE-Class W166 01.2016 to 12.2017 Replacement for Mercedes-Benz GLE Coupe W292 01.2016 to 12.2017 Replacement for Mercedes-Benz GLE-Class X166 01.2016 to 12.2017 Replacement for Mercedes-Benz CLS-Class W218 01.2016 to 12.2017(If your console is an old version, this function will not work or can not be turned on, you need to update your console to the latest version online, and it does not support for AMG cars) Do not insert this OBD tool for unsupported models, otherwise you will be responsible for the consequences.Instructions: 1.Turn to ACC( do not start the engine) 2. Plug this OBD tool to car's OBD diagnose socket. (Position: Under the steering wheel near the A pillar) 3. Your car's screen will display DIAG and waiting for restart. 4. Your car's headunit will restart and enter into menu after 10 seconds. 5. Unplug the OBD tool and connect your phone, follow the prompts to confirm! Function activated and perfect running! 1 x OBD Activation Tool