Electric Parking Brake Actuator Motor, Component Description - GF42.20-P-5004A

Model 223 

Courtesy of MERCEDES-BENZ USA

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

Fig 1: Electric Parking Brake Actuator Motor Components Location - Model 223 (Shown On Left Side)

Courtesy of MERCEDES-BENZ USA

Location on left 

Courtesy of MERCEDES-BENZ USA

Location on right