Hmm..for the front there will be a screw behind the SRS emblem, one behind the trim behind the door handle. That trim just pops right off. Also under the armrest you will see a round tab that pops out and theres a screw behind there. Lastly there is a screw in the cover around the door latch. You will also need to unscrew the door lock knob.
I am looking to change out the spreakers in an E320.
Raymond, do you happen to have the video for a W211? It is slightly different than the W210. The W211 doesn't have SRS emblem on the door nor does it have the round plug under the arm rest.
After some investigative work, I did see that a plastic flap is under the arm rest. I pulled it out and found a screw there. I would assume that there is still a screw behind the door handle plate. I also found a screw near the door latch on the side of the door. Hopefully that screw replaced the one behind the SRS cap on the older models.
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