SL/R230: New touchscreen head unit in 2004
Old
New
I was surprised how easily it all came apart and went back together.
What’s the old unit and cd player worth?
it is more expensive than others I saw but had the best reviews.
Be careful chosing one though. Make sure to look at the pictures of which radio it fits. There are multiple head units in our cars that look the same at first glance but there are slight differences.




I'm also curious on the value of the old unit but I suspect it's not much.
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Last edited by brucewane; Apr 2, 2025 at 03:38 PM.
The Best of Mercedes & AMG
https://mbworld.org/forums/sl55-amg-...004-sl600.html
IIRC, the bezel is for 2005+ R230 models, but I wanted the ability to remove/replace the head unit without having to remove the "wood" console insert. So I just cut the wood insert and cover the mounting screws with black foam.
Everything still works perfectly and it wirelessly connects to my iPhone in seconds. Well, almost perfectly - I had to procure a microphone and it is marginal. I did not try to use the MB microphone, but now that I know what cable it is under the dash, I might try it soon. The steering wheel buttons control the volume, I needed an additional adapter for that.
Last edited by mrvedit; Apr 2, 2025 at 05:40 PM.
it is more expensive than others I saw but had the best reviews.
Be careful chosing one though. Make sure to look at the pictures of which radio it fits. There are multiple head units in our cars that look the same at first glance but there are slight differences.
BTW, R230 2003 and 2004 need a "D2B" adapter to run the fiber optic. 2005+ models need a "MOST" converter.
After I got mine to give me sound I went back and removed a bunch of the unused fiber so that I just have 1 set going from the unit to the factory amp.









