Yeah I think for the car's owner, it's not a bad placement. IMHO, it would better if it were also readily visible to occasional passenger.
Mercedes did eventually fix the issue in the most recent model w223 https://car-images.bauersecure.com/pagefiles/96149/mercedes_...
The trim of the dash in the picture, as much as luxurious it may be, reminded me of driving a desk, a walnut or ?mango wood desk... sitting in a comfy four-wheeled office chair. Also notable so many buttons on the driver side door, not sure for what purpose.