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

WARNING: This page is about a different car, the 2009 Mercedes-Benz CLK350 and 2008 Mercedes-Benz CLK350. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 209.3/4

Shown on model 209.3 up to 31.5.04

Fig 1: Identifying Upper Control Panel Control Unit

Courtesy of MERCEDES-BENZ USA

Upper control panel control unit, location	The upper control panel control unit (N72/1) is located in the center console.
Upper control panel control unit, task	On vehicles as of 1.6.04	GF54.21-P-4105-02QA
Upper control panel control unit, design	On vehicles as of 1.9.04	GF54.21-P-4105-03QB
Upper control panel control unit, function	The upper control panel control unit (N72/1) operates with its own microprocessor which reads in switches, actuates the corresponding semiconductor switches and exchanges data with the Controller Area Network bus class B (interior) (CAN-B).