Upper control panel control unit, location/task/design/function - GF54.21-P-4105T

Model 211.0/6 

Fig 1: Locating Upper Control Panel Control Unit

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Upper control panel control unit, location	The upper control panel control unit (N72/1) is located below the audio unit in the central area of the dashboard.
Upper control panel control unit, task		GF54.21-P-4105-02T
Upper control panel control unit, design		GF54.21-P-4105-03T
Upper control panel control unit, function	The upper control panel control unit (N72/1) operates with its own dedicated microprocessor which scans switches, actuates appropriate semiconductor switches and exchanges data with the interior CAN.