Specific KUFATEC module for activating the video source / TV tuner while driving in the navigation system of the Mercedes-Benz S-Class W221 and CL-Class W216 No influence on the navigation unit with moving video The activation function can be activated or deactivated at any time via a button combination on the multifunction steering wheel (MFSW) Settings with smartphone app: The module can be connected to the KUFATEC Link app activate or deactivate moving TV with your mobile phone customize all settings individually KUFATEC Link is available free of charge on Google Play and Apple App Store Scope of delivery: 1x KUFATEC module 34028 cable set