S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Command black screen

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Old Jul 17, 2022 | 03:12 PM
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W221
Command black screen

Hello,
since yesterday I’m having issue with the command.
the screen is black and the radio turns on for 10sec then shuts off.
it does the same thing when I press the « on » button.
but yesterday after a 15min ride, the screen turned back on.
went to black later on and never turned back on.

has anyone ran into the same issue ?
i was thinking maybe a low voltage on a battery ?
witch one is in control of the command ?

2008 S550

thank you in advance !

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Last edited by Jakehammen; Jul 17, 2022 at 03:15 PM.
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Old Jul 17, 2022 | 03:42 PM
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S500
likely hardware failure
believe it works without the screen so if the rest is shutting down - is it the comand unit beneath the heater buttons crashing out on high temp
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Old Jul 20, 2022 | 07:08 PM
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1983 Nissan Shltbox
Reboot COMAND. I do it in my 212 periodically. It's an old system.
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