Features:1. Activate by OBD2 Plug and Play, Easy to use.2. Connect mobile phone with car only via cable.5. For NTG5.1 via OBD2Specification:Compatible models (COMAND NTG5s1):A-Class W176 Date of manufacture from 01.2016 to 12.2017B-Class W246 Date of manufacture from 01.2016 to 12.2017E-Class W213 Date of manufacturefrom 01.2016 to 12.2017CLA-Class W117 Date of manufacture from 01.2016 to 12.2017GLA-Class W156 Date of manufacture from 01.2016 to 12.2017GLE-Class W166 Date of manufacture 01.2016 to 12.2017GLE Coupe W292 Date of manufacture 01.2016 to 12.2017GLE-Class X166 Date of manufacture 01.2016 to 12.2017CLS-Class W218 Date of manufacture 01.2016 to 12.2017Packing List:1*Activation toolNote:Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.