On my 95 w124 you remove the door handle by opening door, pulling out little black plastic plug which is on the door jamb area, and you will see an Allen-Key type screw. Unscrew it, and then work the door handle until it comes free.

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2002 Mercedes-Benz E320 4Matic
1995 Mercedes-Benz E320 Wagon
2005 Land Rover LR3 V8 SE
1999 Audi A8 4.2L quattro