VaKo docking station with Dell XPS 13

@bensalig  that should be working out of the box, especially if you've confirmed that it works on another system.  That dock is just relying on the DisplayPort Alt Mode video output capability of USB-C ports, which the XPS 13 with USB-C/TB3 ports support.  There aren't any special additional drivers to use that.  If you haven't already, make sure you're running the latest BIOS release and the general Intel Graphics drivers, because that's all you really need here.  If it still doesn't work, it may be an interoperability issue specific to that dock and that system, in which case it might take a system firmware update to resolve, and it's possible that even the current firmware release doesn't contain the necessary fix.

did you get this working?

i have just bought a VAKO USB-C dock that has 2 HDMI ports.
one of the HDMI doesn't seem to work at all.

i've connected 2 HDMI monitors, and tested both monitors on both HDMI ports and only 1 of the HDMI ports work.

is this likely to be a dock issue? or an issue with the laptop not supporting it?
when i use 1 HDMI and 1 VGA (which the dock also has) then both monitor work.

this is on a Dell XPS 9360

Exactly the same problem here.  VAKO dock works perfectly on a modern HP Spectre 13, enabling an HDMI (it has two ports, which both work, though I have only one external monitor), USB x 3 (1 WebCam, 1 KeyB/Mouse dongle + 1 Meeting room Speaker/Mic) + Ethernet.... It also passes through power and charges fine. 

On my employers' new Dell XPS … straight away it says "low power source detected" (using the Dell original power pack into the Vako and the pass through power.... doesn't look like it's really charging).   

So, I route power directly to the Dell, and connect VAKO to another USB-C , but then HDMI and Network work, but nothing from any USB 3.0 or 2.0 port.   Major pain as I have 3 devices I can't connect. 

I've actually fixed my own problem.   (I realise the issue I had was a little different to the OP, I had monitor working fine, but no detection of the USB 2/3 devices in the dock). 

I found that despite USB-C being an "either way up" connector, the USB-3 devices were only "fed to" one side of the USB-C lead, so I reversed it, and everything works. 

@Pete_B_UK  Glad you fixed it.  Sounds like at least one of the components on either end of that cable AND the cable itself might have been lazily/cheaply built.  In order to make orientation matter, you'd need at least one endpoint that only transmitted on one side of its USB-C female connector AND a USB-C cable that only had active pins on one side of its male connectors, and then you'd need to connect the cable the "wrong" way for the endpoint.  If either the endpoint or cable had the pins on both sides of the connector wired -- which based on my understanding is how it's always supposed to be done except for devices that have permanently attached cables -- then you wouldn't have this issue.  Very strange....

I have the same VAKO dock.  It has worked flawlessly for 6 months until last night's update from Dell.  It now doesn't work on the 4K HDMI connections.  I have a Dell S2817Q 4K monitor.  My computer also overheated as usual with the update.  Disappointed again. 

I had this problem. Live in UK, On holiday in Canada. Plugged in adaptor, worked fine. Next day, didn't. Not recognised. Rebooted several times, no joy. Then changed timezone to local time rather than UK time. Immediately recognised device... Bizarre that it worked one day in Canada timezone and not the next, then changed timezone and worked...