E 350 4MATIC Sedan (211.087) V6-3.5L (272.972) (2006)
Vehicles with Parktronic system (PTS), code 220
13.1. Insert rear bumper PTS sensor units (A43) removed from standard bumper in brackets of rear bumper paneling (1).
Before inserting sensors, check decoupling rings, replace if damaged.
14. Install center rear inner section (23) on rear bumper paneling.
When positioning center rear inner section (23) ensure that fitted stay is centered precisely on rear bumper paneling (see arrow).
Ensure that center rear inner section (23) arrests properly.
15. Install gaskets (21) (4 each) on threaded studs on rear bracket.
16. Slide left and right bracket (24) into bracket on rear bumper paneling (1) and arrest.
Ensure that retainer (see arrow) is arrested properly.