COMAND APS NTG 1 is a navigation system used in Mercedes-Benz vehicles. It was introduced in 2003 and was used in various Mercedes-Benz models until 2008.

The system consists of a high-resolution color display, a GPS antenna, and a control unit that is located in the trunk of the vehicle. The navigation maps are stored on a DVD, which needs to be inserted into the control unit.

The COMAND APS NTG 1 system provides various features such as navigation with turn-by-turn directions, real-time traffic updates, and points of interest. It also has a built-in CD/DVD player, a radio tuner, and a phone integration system.

To use the system, you can navigate through the menus using the control knob, which is located on the center console of the vehicle. You can also use voice commands to control certain features of the system.

Overall, the COMAND APS NTG 1 system was a significant upgrade over the previous generation navigation systems and was well-received by Mercedes-Benz owners. However, newer models have since been released with more advanced features and capabilities