for Android Auto CarPlay Activation Tool OBD Activator Replacement for Mercedes‑Benz NTG5S1 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!