Command system not working properly

Tiny
ZACUSMAN
  • MEMBER
  • 2014 MERCEDES BENZ C300
  • 3.5L
  • 6 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 30,000 MILES
My command system comes on but I can't hear sound from the radio. Fuses have been checked and they are okay. But still no sound.
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Tuesday, September 24th, 2019 AT 12:42 PM

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Tiny
KEN L
  • ADMIN
Hello,

It sounds like the front SAM control module is out. To be sure lets do a CAN scan which will run through all modules to pinpoint the issue. here is a video on the job being done. You can get a CAN scanner for about $50.00 on Amazon, make sure it does Mercedes. Also here are the wiring diagrams for the Command and auto pilot which work together so you can see how the system works and which fuses run the system (please double check).

https://youtu.be/InIlnsjOVFA

Here is the location of the front SAM in case it is bad. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Wednesday, September 25th, 2019 AT 1:41 PM

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