Newbie needs advice

Lalapalooza66

New Member
Joined
Feb 23, 2018
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Your Mercedes
S 320 cdi 2007
Hi everyone,
I have a 2007 s320 cdi. The command screen is showing the message "device unavailable" when the radio, cd, video or phone is selected.
Any ideas as to what the problem is please??
 
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Lalapalooza66

New Member
Joined
Feb 23, 2018
Messages
5
Reaction score
0
Your Mercedes
S 320 cdi 2007
  • Thread Starter
  • Thread starter
  • #3
Yes I do have a Harmon Kardon system
 


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