This module is designed to activate Video In Motion in Mercedes Benz Comand headunits.We have versions for NTG 2, NTG 3, NTG 3.5, NTG 4.5, NTG 5, NTG 5.5 and NTG 6.Please provide VIN above to order the correct module for your car.DOWNLOADSWiring Diagram..