The pin is based on your car vin number and map region/version so please be careful to provide the correct number and information. When you buy please provide the VIN number of the car and the region of the map you want to install in notes section. For installing new maps you need SD card or USB 32GB and pin code. Mercedes Benz NTG 5S1 navigation map update + activation code NTG 5S The NTG5S1 – 5Star1 system is in the photos above equipped with SD card slot, or with USB socket in armrest. Item: 324672816040 Mercedes COMAND NTG 5S Navigation Map Update + Activation Code.