Retrofit ultrasonic back-up assist - AZ54.65-P-0001TT

MODEL 211.2 Vehicles up to code (806) Model year 2006, vehicles up to model refinement 

Fig 1: Ultrasonic Back-Up Assist Wiring Harness Diagram

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removal
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect battery ground cable
			AR54.10-P-0003TA
	Notes on battery	All models	AH54.10-P-0001-01A
2	Remove rear bumper
			AR88.20-P-2200TA
3	Remove lower finishing carrier from the bumper	To be replaced by a new carrier with sensor supports.
4	Remove left side inner paneling of load compartment
			AR68.30-P-1180T
5	Remove headliner	Lower the headliner and push it toward the front.
			AR68.30-P-4300TD
6	Release rear SAM control unit with fuse and relay module
7	Open left cable duct	From left A-pillar up to the load compartment.
	Install
8	Install sensors and connect		AZ54.65-P-0001-03TT
9	Install rear bumper	Route connection line of the sensor wiring harness through the left grommet in the wheelhouse recess into the load compartment.
10	Installing control unit		AZ54.65-P-0001-04T
11	Install display instrument		AZ54.65-P-0001-05TT
12	Route wiring harness and connect		AZ54.65-P-0001-06TT
13	Install remaining parts onto vehicle
14	Perform version coding subsequently	Parktronic system (PTS).	AZ54.65-P-0001-08M
15	Check ultrasonic backup assist
		Warning indicator, function	GF54.65-P-4104-01A
16	Hand the manufacturer's safety/operating instructions to the customer when returning the vehicle