I went back to "Buy Parts" and keyed in -> 002 545 16 05

This comes up - 10 pin

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1EQ0PTV2S1S50VULBU&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1987&product=P2037-34502&application=000251001

It may be that the 10 pin is a replacement for the 9 pin? I had to replace the headlight switch on my MB 126 some years back. The pin count was different, but it worked. In your case I cannot say.

__________________
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"