Retrofitting parktronic system (PTS) sensors in rear bumper - AN54.65-P-0002-01A

Remove impact absorber from rear bumper.
Cut two holes at the recesses (arrows) into the base (17) of the impact absorber.
Install new impact absorber (15) with mounts for sensors.

Fig 1: Identifying Impact Absorber
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fit ring (12) to parktronic system (PTS) sensors (11).

Fig 2: Identifying Fit Ring And Sensors
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Insert Parktronic system (PTS) sensors (11) from the rear into the mounts of the impact absorber (15).
Run parktronic system (PTS) rear bumper wiring harness (4) into bumper and fit together connectors (13), beginning on the right.

Fig 3: Identifying Parktronic System (PTS) Sensors, Wiring Harness And Connector
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Insert parktronic system (PTS) wiring harness (4) into the cable ducts of the shock absorber elements (16). Insert shock absorber elements into bumper. (Shock absorber elements fix the wiring harness in place).

Fig 4: Identifying Shock Absorber Elements
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Run cable to parktronic system (PTS) rear bumper connector (X35/28) out of the shock absorber element (16).

Fig 5: Identifying Shock Absorber Element
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.