2003 S500 radio will not shut off HELP!
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Audio XX units, on the other hand, do use a radio code.
I suggest going to the response at post #8, https://mbworld.org/forums/s-class-w...2003-s430.html and trying to re-poll your D2B system - and if that doesn't work, then reset it. As a last resort, disconnect your battery for 5 minutes or so, then reconnect it. That will force the system to re-initialize.
Unfortunately, disconnecting the battery may cause many other systems on the cr to need resetting. If so, see https://mbworld.org/forums/s-class-w...dy-resets.html
Last edited by Skylaw; Dec 18, 2011 at 11:44 AM.
You state your unit does not shutoff, what is displayed on the COMAND? Do any of the buttons work? Have you tried a hard reset by disconnecting circuits 15 and 30?(switched 12v & constant 12v)
if i see nothing wrong, i will try unplugging the entire unit and see if it restarts itself alive.
last thing i want to do is undo the battery. read too many people having other nightmares because of that.



