Remove/Install Rear Window Wiper - AR82.30-S-6980EE

Model 447.6/7 With Code W50 (Rear-end door, double-wing, 180 degrees without window) With Code W78 (Window in tailgate or hinged rear door with wipe/wash system) 

Model 447.6/7 With Code W54 (2-wing rear-end door, 270 degrees) With Code W78 (Window in tailgate or hinged rear door with wipe/wash system) 

Courtesy of MERCEDES-BENZ USA

Shown on right rear-end door 

	Injury hazard from pinching and crushing, in extreme cases extremities can even be cut off when caught in windshield wiper mechanism.	When working on the windshield wiper mechanism, always switch off the ignition and store transmitter key outside of transmission range (at least 2 m).	AS82.30-Z-0001-01A
	Remove
1	Switch off ignition and remove transmitter key
2	Raise cover (2)	Carefully raise cover (2). Danger of breakage.
3	Unscrew nut (3)
4	Remove rear window wiper (1)	Carefully remove rear window wiper (1). Risk of breakage to cover (2). Puller	Fig 1
	Install
5	Move wiper motor to parked position		AR82.30-S-6800-01E
6	Remove transmitter key
7	Vertically align wiper blade of rear window wiper (1) and attach rear window wiper (1)
8	Tighten nut (3)	Nut of wiper arm to engine shaft	*BA72.20-Z-1007-01KOJ
9	Close cover (2)
	Check
10	Perform function check of rear window wiper (1)
			AP82.30-S-8252E

Fig 1: Identifying Puller (001 589 57 33 00)

Courtesy of MERCEDES-BENZ USA