At the bottom of the reservoir is a plate with a series of holes in it. That is the "steady plate". Just hook a small screwdriver or two into the holes and lift the plate straight up. The filter resides under the steay plate.
'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.