grober
MB Master
Its for the prefacelift version but contains lots of useful info applicable to most models.
http://www.autocats.ws/manual/sdmedia/mediadb/mb_Acrobat/einf/204/einf_br204_2_tmodell__en.pdf
http://www.autocats.ws/manual/sdmedia/mediadb/mb_Acrobat/einf/204/einf_br204_2_tmodell__en.pdf