Good morning,
I was using the AutoGlym Fast Glass cleaner on the windows of the 300SE applied a liberal amount of the glass cleaner allow it to dry.
You may wish to use your own brand of glass cleaner I am sure any brand would work.
Once the glass cleaner was dry I simply use another clean micro fibre cloth to wipe off the excess.
All of the glass including the side & rear view mirror is sparking clean like new again!
Cheers.