Please take a look in item #128 in the schematics.
It seems to be in the body of the fuse compartment box. (in a closed area, behind the fuse area)

http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=202028&M=104%2E941&GA=722%2E328722%2E424722%2E604722%2E605722%2E629&GM=717%2E441&CT=F&cat=44V&SID=54&SGR=045&SGN=03

Jorge