I need to remove the 190E Climate control, in the center of the dash. Whats the trick to removing it? The radio and panel are removed.

I doing this because the right-front speaker isn't working. Trying to trace the wire.

__________________
'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)