Features: 1.OBD activator, fit for NTG5S1 (for A/B/CLA/GLA/GLE/CLS Series), support unlimited use. 2.Activate by OBD 2, plug and play, easy to use, no need of complicated operations. 3.Connect mobile phone with car only via cable. Support for iOS Carplay. 4.Adopt original protocol communication, which does not affect the dealer's warranty. 5.Manufactured according to the original production specifications, in line with strict quality standards. Specification: Item Type: OBD Activation Tool Material: Plastic Feature: NTG5S1 (for A/B/CLA/GLA/GLE/CLS Series). Plug & Play! Just need insert to obd port than active 1 minute to work! Unlimited use! If for Android auto non apparel, push star button near menu roller. in second line press add application (+ icon). scroll the menu until find for ''android auto''. click on it. now extra menu is on main menu option Compatible Models(COMAND for NTG5s1): Fit for A-Class W176 Date of manufacture from 07.2016 to 07.2017 Fit for B-Class W246 Date of manufacture from 07.2016 to 07.2017 Fit for E-Class W213 Date of manufacturefrom 07.2016 to 07.2017 Fit for CLA-Class W117 Date of manufacture from 07.2016 to 07.2017 Fit for GLA-Class W156 Date of manufacture from 07.2016 to 07.2017 Fit for GLE-Class W166 Date of manufacture 07.2016 to 07.2017 Fit for GLE Coupe W292 Date of manufacture 07.2016 to 07.2017 Fit for GLE-Class X166 Date of manufacture 07.2016 to 07.2017 Fit for CLS-Class W218 Date of manufacture 07.2016 to 07.2017 (If your headunit is old version, the function will not normal work or can not be opened, you need update your hedunit to latest version online ,also it can not support for AMG cars) Please don't insert this OBD tool for unsupported models, or you need take all 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! Important Notice: 1. Must ensure that the for siri option of your phone is keep opening status. 2. Must use original charging cable of your cell phone . 3. Carplay is an app for IOS system, only for iOS phone can use the Carplay app.(Ip5 or Ip5 above are support) 4. For Android phone can use the for Android Auto app.(But not all for Android phone support for Android Auto) Note: Please refer to the compatible model year to purchase, if you are not sure, please contact us before purchasing to avoid unnecessary returns.