Retrofit ultrasonic backup assist - AZ54.65-P-0001CY

MODEL 204.9## 1# up to 7/30/12 without CODE 220 (Parktronic System (PTS)) without CODE 498 (Japanese version) without CODE 990 (AMG vehicles) 

Shown on vehicle with code (U89) Off-road appearance package 

Fig 1: Identifying Ultrasonic Backup Assist Components - Shown On Vehicle With Code (U89)

Courtesy of MERCEDES-BENZ USA

Shown on bumper with code (U89) Off-road appearance package 

Fig 2: Identifying Ultrasonic Backup Assist Components - Shown On Bumper With Code (U89)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Ultrasonic Backup Assist Components

Courtesy of MERCEDES-BENZ USA

1	Paint sensors (4) and their contour rings		AZ54.65-P-0001-01P
		Carry out painting work only on customer request. On vehicles with code (U89) Off-road appearance package, only two sensors (4) and their contour rings should be painted.
	Remove
2	Remove right interior trim (1) from side of load compartment
			AR68.30-P-1180CY
3	Disconnect the rear SAM control unit with fuse and relay module (N10/2) and place to the side
			AR54.21-P-1258CY
4	Remove rear bumper (6)
			AR88.20-P-2200CY
5	Detach carrier (8) from bumper (6)
6	Detach panels (9) from bumper (6)	On vehicles with code (U89) Off-road appearance package
7	Remove stop plug (7) from rear center section	The stop plug (7) is no longer required.
	Install
8	Install sensors (4)	without code (U89) Visual off-road package	AZ54.65-P-0001-03CY
		With code (U89) Visual off-road package	AZ54.65-P-0001-03CYA
		Cleaner Rechargeable screwdriver, rechargeable drill	*BR00.45-Z-1025-04A
9	Install rear bumper (6)
			AR88.20-P-2200CY
		The bumper (6) with ultrasonic backup assist is installed in the same way as a bumper with code (220) Parktronic system (PTS). Guide wiring harness of ultrasonic backup assist through opening behind stop plug (7) and insert grommet (5).
10	Route ultrasonic backup assist wiring harness (10) and connect		AZ54.65-P-0001-06CY
		Wiring harness repair kit	Fig 4
11	Retrofit ultrasonic backup assist speaker (2)		AZ54.65-P-0001-13CY
		Wet and dry vacuum cleaner Angled hand drill
12	Install right interior trim (1) at side of load compartment
			AR68.30-P-1180CY
13	Install rear SAM control unit with fuse and relay module (N10/2)
			AR54.21-P-1258CY
14	Install load compartment floor with detachable parts
			AR68.80-P-5800CY
		The connector (11) of the ultrasonic backup assist wiring harness (10) must remain exposed (arrow). Do not fully assemble the vehicle as the ultrasonic backup assist control unit (3) has yet to be installed.
15	Retrofit ultrasonic backup assist control unit (3)		AZ54.65-P-0001-12CY
		Cleaner	BR00.45-Z-1025-04A
16	Fully install load compartment floor
			AR68.80-P-5800CY
17	Perform function test

Fig 4: Identifying Wiring Harness Repair Kit (220 589 02 99 00)

Courtesy of MERCEDES-BENZ USA