GLC Class (X253) Produced 2016-2022

Help needed: Media display screen black/off and same for Center console lower section

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Old Jul 8, 2023 | 05:48 PM
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Nick72's Avatar
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B250 GLC300
Question Help needed: Media display screen black/off and same for Center console lower section

Hi, I have a 2018 GLC300.
The main screen (media display) was black, and all the buttons/light of the the Center console lower section (Dynamic Selection, Eco start/stop, Switch for the multimedia
system etc. ) stopped working.
However others seems fine , air condition still working but I can't see the temperature control on the screen.

I went for an auto car wash earlier today, I did not turn off the engine because the weather is very hot. Everything seemed working when I drove home after wash, then after an hour I left home it still working, but when I parked at a school for an hour and started the car , the screen was black same for the Center console lower section. The car is still driving fine but no audio, no media display, no Eco start/stop or Dynamic select, no backup camera image.

I tried to scan the codes and there were a few of them all pointing to "Communication with control unit "Audio or COMAND" has a malfunction. The message is missing." ,see the screenshots attached below.




Any idea what is going wrong? Help is much appreciated.


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Old Jul 8, 2023 | 07:01 PM
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Nick72's Avatar
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B250 GLC300
Fixed it by disconnecting battery cable - It is all about the computers, if soft reboot not working, give it a hard power cycle...
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Old Jul 10, 2023 | 03:51 AM
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rivensoul's Avatar
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2009 C300 4Matic
Originally Posted by Nick72
Fixed it by disconnecting battery cable - It is all about the computers, if soft reboot not working, give it a hard power cycle...
Thank you for replying with an answer.
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Old Jul 10, 2023 | 01:39 PM
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Originally Posted by Nick72
Fixed it by disconnecting battery cable - It is all about the computers, if soft reboot not working, give it a hard power cycle...
Good first step and glad it worked.
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