The spray nozzles are misaligned
The windshield washer fluid from the spray nozzles no longer hits the center of the windshield. The spray nozzles are misaligned.
Have the spray nozzles adjusted at a qualified specialist workshop.
See also:
Cleaning the rear view camera
Use clear water and a soft cloth to clean camera lens 1.
Do not clean the camera lens and the area around the rear view camera with
a power washer. ...
Qualified specialist workshop
An authorized Mercedes-Benz Center is a
qualified specialist workshop. It has the
necessary specialist knowledge, tools and
qualifications to correctly carry out the work
required on your vehi ...
Important safety notes
WARNING
For safety reasons, switch off the windshield
wipers and remove the key from the ignition
lock before changing the wiper blades
(vehicles with KEYLESS-GO: make sure that
the on-board ...