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W204 Command Screen Opening Issues

20K views 25 replies 12 participants last post by  Tonitodepoio7.  
If you have a battery charger/maintainer (automatic type), attach to jump points under hood. Test your concern by providing good voltage...
 
Sure, same thing, just connect to jump points under hood. Better to have the other car on with engine running.
 
I watched the video again. Isn't that the blank that comes with the car, and the eject pin was just depressed so is just sticking out ready to eject?
 
After remove SD card, unit needs hard reset if card where faulty.
Are you sure your battery is in good condition, could be the issue.
I agree with this question. What happened when you jumpered the cars together? No difference?