Power window control unit, component description - GF72.29-P-6012MCC

MODEL 451.3 /4 with CODE (V43) Power window 

Fig 1: Identifying Power Window Convenience Feature Control Unit

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Location 

The power window convenience feature control unit is located on the left side below the instrument panel on the crossmember.

Task 

The power window convenience feature control unit takes over the control of the side windows. The control unit monitors the power consumption of the connected loads and thereby recognizes lockup or the limit stop of the side window.

The following switches are read in: 

• Left power window switch (S21/1)
• Right power window switch (S21/2)

The following loads are switched: 

• Left power window motor (M10/3)
• Right power window motor (M10/4)