Originally Posted by diametricalbenz

There is a search engine on the classic center site with part numbers.

http://et.mercedes-benz-clubs.com/mbc/welcome?locale=en

I believe it is listed as A6170300530 but I know it exists as 617 030 00 05 because I had to repeat it to people so many times.

There is also 617 032 00 01 which does exist and I have one in my car.