Specific module for using the video source / TV tuner with the navigation system while driving Factory-installed features will not be affected Suitable for vehicles equipped with the Command APS NTG 1 unit, including: E-Class W211 SLK-Class R171 SL-Class R230 CL-Class W215 CLS-Class W219 S-Class W220 Reusable diagnostic interface (only for one vehicle) Scope of delivery: Specific module