Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 128

Select another wiper speed on the combi-
X
nation switch.
Have the windscreen wipers checked at a
X
qualified specialist workshop.
The spray nozzles are misaligned
The windscreen washer fluid from the spray
nozzles no longer hits the centre of the wind-
screen. The spray nozzles are misaligned.
Have the spray nozzles adjusted at a quali-
X
fied specialist workshop.
Windscreen wipers
125
Z