The switches stay in the door unless you are replacing them. The black plastic trim prys off, and the bolt for the door handle/arm-rest is usually hidden behind some foam. I was wrong, the chrome trim is on the W115 chassis, not the W124.

Once the door latch assembly and armrest screw are out, and the cover for the actual latch and door lock button are off, the whole panel comes off by pulling straight UP until the hooks are free of the door. Watch for the wires for the light in the bottom of the panel.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!