Drive unavailable blues

On my 2010 E350 coupe, which fuse (#) would be for the main head unit, the cd changer? My changer is constantly trying to eject, even when car is off. Before I tear apart and remove unit, get repaired ($500), and have a gaping hole in dash for 2 week, I wanted to see if pulling fuse/cutting power to changer, for period of time, might "reset" the unit. Then I'd just be very careful not to touch eject button! And can get repaired at a better time. Any tricks you've heard of to get the DRIVE... Drive unavailable blues

On my 2010 E350 coupe, which fuse (#) would be for the main head unit, the cd changer? My changer is constantly trying to eject, even when car is off. Before I tear apart and remove unit, get repaired ($500), and have a gaping hole in dash for 2 week, I wanted to see if pulling fuse/cutting power to changer, for period of time, might "reset" the unit. Then I'd just be very careful not to touch eject button! And can get repaired at a better time.
Any tricks you've heard of to get the DRIVE...

Drive unavailable blues

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