Rear audio control unit, component description - GF82.62-P-3008GZ
MODEL 164 with CODE (494) USA version with CODE (528) HIGH Class USA with CODE (530) COMAND APS USA (with navigation system) up to Model Year 2008
The rear audio control unit is installed under the driver seat. It receives the audio signals from the COMAND operating, display and control unit (A40/3).
The audio signals are amplified and then processed by the HBF control unit (N72/2) for output to the headphones.