SL55/63/65/R230 AMG: sirius radio installation for 2003 SL55
https://mbworld.org/forums/sl-class-r230/139694-valentine-1-sirius-radio-installed.html
There were 2 reasons why it had to be FM modulated.
1. The deck does not have an anntennea input to incorporate the FM to be plugged into it directly. It uses a fiber optic cable thats runs to the antenna.
2. The deck is a pain in the but to remove you have to basically destroy the mounting sleeve to get it removed and order a new one to put it back in.
Here is a link to see for your self.
https://mbworld.org/forums/sl-class-r230/137974-removing-stereo-05-sl.html
If you come by the photo of the asthry install can you post it here for me. Thanks.
If you come by the photo of the asthry install can you post it here for me. Thanks.
I though that was pretty neat when i did that, if i do say so my self. Thanks for noticing

Yea........I had to look at that photo several times trying to figure out why you posted it!.....lol. Finally I noticed that attenna and thought it was cool!
I'll look for the thread or pic so that you can see.
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There were 2 reasons why it had to be FM modulated.
1. The deck does not have an anntennea input to incorporate the FM to be plugged into it directly. It uses a fiber optic cable thats runs to the antenna.
2. The deck is a pain in the but to remove you have to basically destroy the mounting sleeve to get it removed and order a new one to put it back in.
Here is a link to see for your self.
https://mbworld.org/forums/showthread.php?t=137974
Thanks for the info. Still too bad. Am I just making a big deal over the FM modulation? Is the sound quality still pretty good?
I have heard ones that are very staticy, the one i have you can not tell it is fm transmitted. sounds like you are listening to another radio stattion.
The only thing is that when you put the volume on low and you have it on the FM modulated station you do hear some static but again only with the volume on very low.
When you have the volume at listening level or higher you do not hear any static at all.



