Removing a W123 door.

--Remove the 2 large scews in the armrest. Look from below.
--Remove the 2 small screws on the lock, latch chrome on the rear of the door.
--Pry out the black plastic piece behind the door opening lever.
--Remove the small screw behind the black plastic piece above.
--Remove the push down lock at the top of the rear of the door, it unscrews.
With a large flat plastic door tool or flat metal putty knife. Go around the bottom and rear of the door and pop loose the plastic push pin units. Place the tool between the doors metal and the MB tex panel and pry towards the center of the car. Each unit will POP when released.
--At the front of the panel where the map box is located is a 90 degree plastic support piece that you should be careful removing when removing the MB tex panel.
--To access the interior of the door, remove the plastic water shield sheet. reinstall with spray adhesive or rubber cement.
-- To reinstall the panel I place a slim rubber tube on the door lock shaft and feed it through the opening in the panel. Make sure you catch the upper metal edge of the panel on the window trim. Look at it carefully and you will see what I'm talking about. Pop in the plastic inserts and attach all screws and your done.

Dave

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1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car