Check wiper arms - AR82.30-P-6000-01CW

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

Courtesy of MERCEDES-BENZ USA

Remove adapter (B) and angle gauge (A) from the adjustment tool set.
Insert adapter (B) into the guide (arrow) of the angle gauge (A) and fasten with knurled bolt to angle gauge (A).
Shown on model 204.0, driver-side wiper arm (1) in reverse position

Fig 2: Identifying Slide Angle Gauge And Adapter
Courtesy of MERCEDES-BENZ USA
Slide adapter (B) with the angle gauge (A) onto the wiper blade mount of the driver-side wiper arm (1).
Lower driver-side wiper arm (1) until all three jacking points of the angle gauge foot (A) touch the windshield.
Read angle of incidence of driver-side wiper arm (1) on the dial of the angle gauge (A) and record.
Raise driver-side wiper arm (1) and remove adapter (B) with angle gauge (A).
Repeat testing procedure for front passenger side wiper arm.

Fig 3: Identifying Driver-Side Wiper Arm, Angle Gauge And Adapter
Courtesy of MERCEDES-BENZ USA
Raise driver-side wiper arm (1) and passenger-side wiper arm, cover up using suitable aids (scratch protection) and place on windshield.
When changing from reverse position to parked position it has to be observed that the driver-side wiper arm (1) and the passenger-side wiper arm do not have any direct contact to the windshield to prevent it from being scratched.
Set wiper system to parked position and remove aids (scratch protection) from driver-side wiper arm (1) and passenger-side wiper arm.
Shown on model 204.0, driver-side wiper arm (1) in parked position
Slide angle gauge (A) onto the wiper blade mount of the driver-side wiper arm (1).
Lower driver-side wiper arm (1) until all three jacking points of the angle gauge foot (A) touch the windshield.
Read angle of incidence of driver-side wiper arm (1) on the dial of the angle gauge (A) and record.
Remove angle gauge (A) together with adapter (B) from driver-side wiper arm (1).
Repeat testing procedure for front passenger side wiper arm.

Fig 4: Identifying Distance Of Driver-Side Wiper Blade To Inside Of Drip Rail And Distance Between Passenger-Side Wiper Arm To Inside Of Drip Rail
Courtesy of MERCEDES-BENZ USA