Features: 1. OBD activator designed for NTG5S1 (compatible with A/B/CLA/GLA/GLE/CLS Series), supports unlimited use. 2. Activates via OBD2 port; plug and play design for easy operation without complex setup. 3. Connects mobile device to vehicle using a cable; supports iOS CarPlay functionality. 4. Utilizes original protocol communication, ensuring compatibility without affecting manufacturer warranty. 5. Manufactured to original specifications and meets strict quality standards. Specification: Item Type: OBD Activation Tool Material: Plastic Compatibility: NTG5S1 (for A/B/CLA/GLA/GLE/CLS Series) Plug & Play – Simply insert into the OBD port and activate within one minute. Unlimited use capability. For Android Auto setup (non-AMG models only): Press the star button near the menu roller, select the add application (+ icon) on the second line, scroll through the menu to locate 'Android Auto', then confirm selection. The feature will appear as an option in the main menu. Compatible Models (COMAND NTG5S1): - A-Class W176, manufactured from 07/2016 to 07/2017 - B-Class W246, manufactured from 07/2016 to 07/2017 - E-Class W213, manufactured from 07/2016 to 07/2017 - CLA-Class W117, manufactured from 07/2016 to 07/2017 - GLA-Class W156, manufactured from 07/2016 to 07/2017 - GLE-Class W166, manufactured from 07/2016 to 07/2017 - GLE Coupe W292, manufactured from 07/2016 to 07/2017 - GLE-Class X166, manufactured from 07/2016 to 07/2017 - CLS-Class W218, manufactured from 07/2016 to 07/2017 Note: If your head unit is an older version, functionality may be limited or unavailable. Ensure your head unit is updated to the latest version. Not compatible with AMG models. Do not use this OBD tool on incompatible models. Misuse may result in unintended consequences. Instructions: 1. Turn the vehicle to ACC position (do not start the engine). 2. Plug the OBD tool into the vehicle’s OBD diagnostic port (located under the steering wheel near the A-pillar). 3. The vehicle display will show DIAG and wait for restart. 4. The head unit will automatically restart and return to the main menu within 10 seconds. 5. Remove the OBD tool and connect your mobile device. Follow on-screen prompts to complete activation. Important Notice: 1. Ensure Siri is enabled on your mobile device. 2. Use the original charging cable of your mobile device. 3. CarPlay is an feature available exclusively for iOS devices ( 5 and above supported). 4. Android Auto is available for compatible Android devices (not all Android phones support Android Auto). Note: Verify compatibility based on your vehicle model and production date before purchase. Contact seller if uncertain to avoid incorrect orders.