Adjusting wiper system - AR82.30-P-6400-01V

Model 171.4

WIPER ARM TEST AND ADJUSTMENT VALUES

Number	Designation		Model 171
BE82.30-P-1003-01E	Angle of incidence of wiper arm on driver-side in parked position	∠°	2.0...6.0

WINDSHIELD WIPER

Number	Designation		Model 171
BA82.30-P-1007-01A	Nut/screw, wiper system to partition wall	Nm	12

Fig 1: Identifying Adjustment Tool Set (211 589 02 21 00)

Courtesy of MERCEDES-BENZ USA

The wiper system may only be adjusted if the test values of wiper arms deviate from the tolerance range in parked position.

The specified adjustment values are only valid for left-hand drive vehicles. For right-hand drive vehicles, the corresponding sign has to be changed.

Open hood.
.
Install choke angle gauge (A) to driver-side wiper arm (1).
Remove nut (2) on wiper system bracket (3).
Move wiper system on bracket (3) horizontally until the correct adjustment value is shown on the dial of the choke angle gauge (A).
Tighten nut (2).
Remove choke angle gauge (A) from driver-side wiper arm (1).
Close hood.
.

Fig 2: Identifying Wiper System Bracket Nut
Courtesy of MERCEDES-BENZ USA