How do you replace the wiper blade on a 1997 Mercedes E320?
This information is right in the owner's manual. No comment on the wiper arm if it was pulled up to a stationary position prior to removal of the blade. Force does not seem to snap the arm back to the windshield.
To swing back the arm to the windshield, open the hood to have easy access to the wiper base which has a plastic cover. This cover can be snapped loose with bare hands and this will allow the wiper arm to get unstuck and to go down.
^To whoever wrote that: don't you think that if we HAD the owner's manual or if the owner's manual was helpful that we would get online to get this question answered?