Retrofitting ultrasonic backup assist · az5465s0001a · Mercedes-Benz WIS

AZ54.65-S-0001A

Retrofitting ultrasonic backup assist

2.12.98

MODEL 638.0 /1 /2
except CODE (Q22) Fixed trailer coupling
except CODE (Q50) Trailer coupling with detachable ball head

S54.65-0003-06

1 Display instrument with bracket, attached to body

2 Display instrument without bracket, installed in trim

3 Control module

4 Ultrasonic sensor

5 Retaining spring

6 Compensating ring

7 Sensor

8 Isolation ring

9 Installation housing

10 Trim ring

	Removing
1	Disconnect ground cable from battery
2	Remove rear bumper
			AR88.20-S-2200A
3	Remove bumper impact member
4	Remove inner trim on the side of the loading space
		Model 638.1	AR68.30-S-1180A
		Model 638.2	AR68.30-S-1180B
5	Remove trim on A-pillar	Model 638.0 with partition
			AR68.30-S-4050A
6	Remove right-hand taillamp
	Installing
7	Paint sensors and trim rings		AZ54.65-S-0001-01A
8	Make holes in bumper		AZ54.65-S-0001-02A
9	Install and connect sensors		AZ54.65-S-0001-03A
10	Install control module		AZ54.65-S-0001-04A
11	Install display instrument	Model 638.2	AZ54.65-S-0001-05A
		Model 638.0 without partition and model 638.1	AZ54.65-S-0001-05B
		Model 638.0 with partition	AZ54.65-S-0001-05C
12	Install trim on A-pillar	Model 638.0 with partition
			AR68.30-S-4050A
13	Route and connect wiring harness		AZ54.65-S-0001-06A
14	Install rear bumper
			AR88.20-S-2200A
15	Install right-hand taillamp
16	Install inner trim on the side of the loading space
		Model 638.1	AR68.30-S-1180A
		Model 638.2	AR68.30-S-1180B
17	Connect ground cable to battery
18	Check ultrasonic backup assist		AZ54.65-P-0001-07A
19	Issue safety/operating instructions when handing over the vehicle to the customer

Parts ordering notes

Parts no.	Designation	Quantity
B6 656 0009	Installation kit for Vito/V-class	1
B6 656 0010	Extension cable for URF 4 in Vito box-type transporter with partition.	1