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Home >> Mercedes Benz >> 2003 >> CLK500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 324 (Electrical System, Equipment & Instructions -- CLK350 Coupe (209.356)) >> Basic Knowledge >> Upper control panel control unit, task - GF54.21-P-4105-02QA

Upper control panel control unit, task - GF54.21-P-4105-02QA

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.

Task 

The upper control panel control unit (N72/1) reads in the following integrated switches and if necessary actuates their function and switch and controls illumination. The information on this is transmitted or received via the Controller Area Network bus Class B (interior) (CAN-B).

Reading in of integrated switch: 

With code (873) Heated seats, left and right front seat:

With code (401) Front deluxe seats, incl. seat heating and seat ventilation:

For code (220) Parktronic System (PTS):

With code (882) Interior monitoring (with ATA only)

For code (551) Anti-theft alarm system (ATA [EDW]):

with code (540) Electric rear window roller blind:

Actuation and voltage supply: 

With code (873) Heated seats for left and right front seats or code (401) Front deluxe seats, incl. seat heating and seat ventilation:

With code (401) Front deluxe seats, incl. seat heating and seat ventilation: