2008 ML320 nav/radio display dim

Hi, As the title states the display was bright and vibrant then all of a sudden went to about 1/2 brightness. I removed the small cover below HVAC to get at the remote start unit. Now the display is dim? Thanks,Gary

Hi, As the title states the display was bright and vibrant then all of a sudden went to about 1/2 brightness. I removed the small cover below HVAC to get at the remote start unit. Now the display is dim?
Thanks,Gary

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