I wish I knew how to post the page from the manual, but I don't. I'm looking at it right now in another window. The diagram you posted appears to be for models through 87. On page 5 is the diagram for models starting 10/88. On that diagram the only common factors I see are the front control module #N25/5 and the connector block #X30.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.