close each window, which as you say can take a long time, When fully closed press each switch appropriate to the window down fully and hold it down until you hear a click or 30 secs this action should re-set the windows follow the same procedure for easch window using the switches between the front seats
All this information is on my site along with masses of other info, Now if your really serious about wanting to service and understand your 'A' class purchase my CD . It will cost the price of one Bosch Spark plug purchased from Mmercedes parts and will save you a fortune. just the discounts available on my site will save you in some cases hundreds of ££££££££
Albert Rowe, Lofty's homepage
