Panoramic Sliding Roof System Drive Unit/Control Module, Component Description - GF77.20-P-5213A

Model 223 

Courtesy of MERCEDES-BENZ USA

The numbers on the pins indicate the pin numbering of the slots.

Fig 1: Panoramic Sliding Roof System Drive Unit/Control Module Components Location - Model 223

Courtesy of MERCEDES-BENZ USA

Location 

Courtesy of MERCEDES-BENZ USA

Location 

Courtesy of MERCEDES-BENZ USA

Location