Monthly Archives: November 2020

W211 How to connect accessory radio

If you switch from the COMAND APS 50 to a third-party radio, for example an Android radio, you have to consider how the speakers should be connected. The APS 50 in the front (head unit) is only a control unit, the actual functions of a radio are performed by the AGW (AudioGateWay) in the rear (trunk on the left side of the side wall). There are also the speaker connections.