Video-722.9 transmission leak, 2009 ML320 diesel W164
Hi I have a minor oil leak (3 drips per day) and I suspect it is coming from the transmission.

I tried to access the spot with a camera and made 2 videos:

and
.
Does anyone had similar issues?

If I leave the car off there is no leak. The leak only appears when I run it and seems to be very slow.

Any tips how to address the case?

Thanks in advance.