Supported Models: 1. For MY2018 W205 C-Class and W253 GLC Class for CarPlay and Android Auto activation via OBD2. 2. C-Class W205 (SA154 data card code necessary). 3. GLC-Class W253 (SA154 data card code necessary). 4. SA531 COMAND Online (HU5) is not supported. (Note: Software upgrade after 10/19/2018 will block CarPlay OBD activation). Factory version enables one OBD module to activate up to 10 vehicles, which is useful for repair shops. However, this OBD module cannot deactivate when plugged into the car a second time. Operation Procedure: 1. Turn ignition ON. 2. Plug the OBD2 module into the car’s OBD2 diagnostic port. 3. Notice the screen will display the HWID. 4. Wait until the system reboots – DONE. Important Notice: 1. The Siri option on your must remain enabled. 2. Use the original charging cable for your . 3. CarPlay is an app within ’s iOS system; only s can use the CarPlay app. ( 5 or later models are supported). 4. Android Auto is an app within the Android system; Android phones can use the Android Auto app. (However, not all Android phones are compatible). Material: Plastic Color: Black Package Contents: 1 x Activation Tool Note: Light and screen display differences may cause slight variations in the color of the item compared to the real thing. Measurement may vary by +/- 1-3 cm.