The wiper on my 1995 W124 does not always 'park' in the correct position - and this is especially annoying on intermittent. Indeed it parks in virtually any position, depending where in the cycle I turn it off. The wiper blade is new and my windscreen is clean and 'rain-away' treated. I have...
Apart from not being impressed with my MB wiper rubber refill and having gone back to my older MB wiper blade, i think my glass actually needs a good clean.
The usual is a shampoo of car with AutoGlym and either just leather dry or from time to time I use Autoglym Fast Glass windows...