Remove And Install Wiper Arm - AR82.30-P-6100V

MODEL 171.4, 172.4 

Illustrated on model 171.4 

Fig 1: Wiper Arm Components Location - Model 172.4 (Illustrated On Model 171.4)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury caused by moving parts that can pinch, crush or, in extreme cases even sever extremities.	Always remove ignition key when working on windshield wiper mechanism.	AS82.30-Z-0001-01A
1	Move driver-side wiper arm (1) and passenger-side wiper arm (2) to park position and switch off wiper system
2	Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit	KEYLESS-GO start/stop button only on vehicles with code (889) Keyless-Go.
3	Open engine hood and raise to vertical position		AR88.40-P-1000V
	Driver-side wiper arm (1)
4	Fold up cover (4) on driver-side wiper arm (1)
5	Unscrew nut (3) on the driver-side wiper arm (1)		*BA82.30-P-1004-01A
6	Attach a puller (5) to the driver-side wiper arm (1), remove the driver-side wiper arm (1) from the left wiper shaft and then remove the puller (5)	Puller	Fig 2
7	Remove driver-side wiper arm (1)	: Position driver-side wiper arm (1) such that the wiper blade of the driver-side wiper arm (1) covers the adjustment marks (7) on the windshield.
	Passenger-side wiper arm (2)
8	Remove caps and unscrew nuts (6) at passenger-side wiper arm (2)		*BA82.30-P-1004-01A
9	Loosen the passenger-side wiper arm (2) from the right wiper shaft and remove it	: Position passenger-side wiper arm (2) such that the wiper blade of the passenger-side wiper arm (2) covers the adjustment marks (8) on the windshield.
10	Install in the reverse order

WINDSHIELD WIPER

Number	Designation		Model 171	Model 172
BA82.30-P-1004-01A	Nut on wiper arm	Nm	19	20

Fig 2: Identifying Puller (001 589 38 33 00)

Courtesy of MERCEDES-BENZ USA