SL55/63/65/R230 AMG: R230 side trim replacement DIY
If your trim looks like the part in the foreground, this DIY is for you.

The trim pieces can be purchased from a number of online sources or your local dealer. I bought the parts through GetMercedesParts.com. Each trim piece cost $51.00. With shipping, (to Indianapolis) the total cost was $113.32. Below are the part numbers
Trim cover left: 2307920330
Trim cover right: 2307920430
I would assume the trim is the same for all R230 model years, but keying in your VIN on the parts store website will insure you get the right parts. Another way to find the trim is to click through Retractable top, Top and components, trim cover, Trim cover left (then right).
Step one is removing the old trim. The trim is held in place by a series of plastic tabs on the back which lock into metals slots that are fastened to the side window area. The trim must be moved about an inch or so down (toward the trunk) to unlock from the metal slots.
I first tried to grab the base of the trim with a pair of vise grips and pull down. It did not feel like the trim wanted to release. I then slid my fingers under the edges of the trim and gently lifted. I felt the part begin to release so carefully continued the process. I noticed that I could carefully snap a few of the tabs (break them) by doing this. This is not a problem for the old part. The trim was then loose enough to slide down and unlock.
The second trim piece came off much easier. I simply pushed in on the trim with the palms of both hands while attempting to slide down toward the trunk. I felt the part move slightly so carefully continued the process until the tabs cleared the slots and released.
It appears that removing every piece can be just a bit different. Some will come off as easily as my second piece and others might be more of a beotch to remove. You might have to tap on the top of the trim, pull from the bottom with vise grips or lift and pry from the sides. If all else fails, it looks as if you can safely lift the trim enough to snap many of the plastic tabs off. The slots are metal and quite sturdy so it is doubtful they could be damaged. My word of caution is to be careful not to inadvertently damage another part of the car while attempting to pry off the trim.
Below you can see the mounting slots for the trim piece. Notice the foam stuff. It is sticky like double sided adhesive on foam weather stripping.

Before you install the new trim, take a minute and have a look at the mounting area and specifically, the mounting slots. Make sure there is no debris or possibly broken tabs from the old trim in or around the slots that could hamper the new install. I pulled out my shop vac and cleaned the area well to make sure.
Inspect the slots carefully. I found one that was bent down. I am not sure if I did it or if it was always that way. My guess is the later. I used a flat screw driver to gently pry the slot back into proper position.
(see tab on the left)

Once everything looks good, mount the new trim. Start with the trim about an inch below its installed position. Carefully slide the trim toward the top of the roof while putting downward pressure on the trim with both hands spread across the part to insure all of the tabs lock into the slots. You just have to feel this one a bit. Take your time being certain all of the tabs are sliding into the slots. You can tell by feel. It will be obvious when the trim has locked up into the installed position.
If some of the tabs did not seat properly, carefully slide the new trim back down and try to re-seat. Patients and caution will pay off.
The results:


This is an easy straight forward DIY. You will be happy with the results. I am not sure why I did not do it a long time ago.
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Trim cover left: 2307920330
Trim cover right: 2307920430
And if you have to readjust the new one, you won't want to break off the piece that locks it into place.
And if you have to readjust the new one, you won't want to break off the piece that locks it into place.








