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Old Mar 6, 2025 | 12:07 PM
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brian mccroskey's Avatar
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2017 s550

I need to replace the control unit on my 2017 s550 and I am wondering if instead of using the 2017 replacement unit I could use the 2018 year part to allow for apple CarPlay which came out for the 2018 model. It might be a ridiculous question but since I had to replace it anyway, I thought I would check it out.
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Old Mar 6, 2025 | 01:50 PM
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From: Alien Town Roswell NM
2014 S550
I can't answer your specific question but adding Carplay is relatively simple and inexpensive. I added the Roadtop unit to my 2014 and it's the best upgrade I've done to date.
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Old Mar 6, 2025 | 02:43 PM
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Originally Posted by brian mccroskey
I need to replace the control unit on my 2017 s550 and I am wondering if instead of using the 2017 replacement unit I could use the 2018 year part to allow for apple CarPlay which came out for the 2018 model. It might be a ridiculous question but since I had to replace it anyway, I thought I would check it out.
There is coding involved, the facelift uses a different COMAND version as far as I heard.
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Old Mar 7, 2025 | 12:07 AM
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2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
Would require significant coding work from an expert indie as many of the systems changed for the facelift.
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Old Mar 7, 2025 | 11:18 AM
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I asked Benzninja, who is a coder and thread sponsor, if that was possible when I had my 2017 S550 and he said no.
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Old Mar 7, 2025 | 12:02 PM
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Originally Posted by carlosinseattle
I asked Benzninja, who is a coder and thread sponsor, if that was possible when I had my 2017 S550 and he said no.
I guess you will have to buy one of those retrofit kits instead. If those even work.
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Old Mar 8, 2025 | 10:00 PM
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Thank you for the expertise from all the respondents!
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