This has been written up. Search W210 front window regulator and you may find some info that will help

I think the switch panel pops out wood and all. Maybe 2 or 3 clips? I know the rear does.

heres some W210 details
http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=210225&M=606%2E962&GA=722%2E608&CT=F&cat=45Q&SID=72&SGR=200&SGN=06

__________________
Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)