Remove/install sensor(s) for Parktronic system (PTS) on rear bumper - ra54001401064x(1064)

Model 140 

Preliminary work:

Panelling in trunk on left removed (REMOVAL AND INSTALLATION OF THE PANELING IN THE TRUNK )

Fig 1: Identifying Sensor(s) For Parktronic System (PTS) On Rear Bumper Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Connector (X35/28)	disconnect, reconnect.
Connector (4) on bumper antenna	disconnect, reconnect.
Rear bumper	remove, install (REMOVAL AND INSTALLATION OF REAR BUMPER ).
Shock absorber in bumper	remove, install.
Retaining ring (1) on sensor housing	remove, install.
Connector (2) on sensor (3)	disconnect, reconnect.
Sensor (3)	pull out of housing, install.
	NOTE: Replace sensor housings, if damaged.