Wiper and Washer Systems: Adjustments

AR82.30-P-6400-01GZ Adjusting Wiper System

Modification Notes:

Wiper Arm Test And Adjustment Values:

Special Tools:

Exemplified on model 251 with engine 272

1 Switch on ignition, set wiper switch to position "0". When the wiper arms are in the parked position, switch off ignition again, remove ignition key from EIS [EZS] control unit.

On vehicles with Keyless Go, code 889: Press Keyless Go start/stop button repeatedly until ignition is switched off. Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).
If the wiper arms are not in the park position.

2 Insert adapter "E" into the guide (arrow) of the angle gauge (5) and fasten with knurled screw to angle gauge (5).
3 Fold up driver-side wiper arm (1), remove driver-side wiper blade (3).
4 Slide adapter "E" together with the angle gauge (5) onto the wiper blade mounting of the driver-side wiper arm (1) and clamp in place using the knurled screw.
5 Carefully lower driver-side wiper arm (1) onto windshield. All three contact points at the foot of angle gauge (5) must touch the windshield.
6 Open engine hood, remove the rubber seal (8) at the driver side approx. up to the vehicle center.
7 Remove bolts (9) and remove partition wall (10).
8 Loosen bolt (11), enlarge the angle of incidence of the driver- side wiper arm (1) by lifting (arrow G) the wiper system (12) or reduce it by lowering (arrow H) the wiper system (12). Tighten bolt (11) if the angle of incidence is correct.
9 Install partition wall (10), screw in bolts (9).
10 Mount rubber seal, close engine hood.
11 Lift driver-side wiper arm (1), loosen knurled screw, remove adapter "E" together with the angle gauge (5) from driver-side wiper arm (1).
12 Attach driver-side wiper blade (3), carefully fold driver-side wiper arm (1) onto windshield.