With our coding dongle you can activate the original DAB+ function of the radio Simply connect the adapter to the vehicle's OBD interface - done! The interface performs all necessary coding independently Suitable for the following vehicles: Mercedes Benz V-Class 447 series Mercedes Benz Vito 447 series Mercedes Benz eVito 447 series Mercedes Benz EQV 447 series Package includes: Coding dongle Note: Only suitable for vehicles in which the radio unit has been replaced or the DAB+ interface has been installed in addition