169 540 6945. 169-540-69-45. NSN 123762501. Dont not pay over 500 for a genuine part. Our price only 190.00. Please check you have the correct part number for your vehicle. Most parts available for all W169, W171, W203, W211,. 2022. 7. 31. &0183;&32;The AGW N931 is the brain of the audio system, it is the central audio interface within the MOST (media oriented system transport). Control commands from different systems such as the COMAND, radio control panel or navigation unit are transmitted via the MOST ring to the AGW N931. Here is a list of tasks performed by this unit.