SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Command Replacement

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Old Nov 12, 2020 | 06:48 PM
  #1  
alexisvx's Avatar
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From: Los Angeles
2009 SL550
Command Replacement

Hi all,
I am replacing my COMMAND unit with a new 7'' digital radio. I’ve read a lot of posts on the forums but I have some questions as most posts are for pre-2009 models, I have the 2009 SL550.

Questions:
1. Steering wheel control ASWC-1 (
link link
). Some installers I spoke to say that it works, some other say it doesn't for a 2009. Can someone confirm it works?
2. Apparently I need some sort of harness as the AVIN MOST (link) doesn't have all the necessary connections. Do you know what I need?

Thank you

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Old Nov 13, 2020 | 08:29 AM
  #2  
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From: Hudson NH
2007 SL65, 2009 SL550, 1991 SL500
I went through this with my SL550 about a year ago. Couldn't find the necessary parts to do it. I think the parts that are out there only go up to 2008. What I only cared about was installing a backup camera so I ended up doing that with the stock command.
I do have a Kenwood in my 2007 SL65 that works flawless.
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Old Nov 13, 2020 | 03:41 PM
  #3  
alexisvx's Avatar
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From: Los Angeles
2009 SL550
Originally Posted by NHSl550
I went through this with my SL550 about a year ago. Couldn't find the necessary parts to do it. I think the parts that are out there only go up to 2008. What I only cared about was installing a backup camera so I ended up doing that with the stock command.
I do have a Kenwood in my 2007 SL65 that works flawless.
That's the crazy thing, I can also only find info up to 2008, 2009 and onwards there is nothing I could find on the forums and the installers seem to be contradicting each other.
I was hoping that forum members would have some insight.
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Old Nov 13, 2020 | 04:22 PM
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NHSl550's Avatar
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From: Hudson NH
2007 SL65, 2009 SL550, 1991 SL500
Originally Posted by alexisvx
That's the crazy thing, I can also only find info up to 2008, 2009 and onwards there is nothing I could find on the forums and the installers seem to be contradicting each other.
I was hoping that forum members would have some insight.
The 09 and up have a different Comand unit.
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