Straight swap.
-Blue GT, GTI, WRC 6R Steering Wheels. None of them have buttons for CCS.
There are more possibilities with a few modifications, but it is not a straight swap, you have to change the BCM - 2015 onwards - (for button lighting) and install the Cruise Control Emulator -
sold by Slavik - (to make the CC buttons work), with the CCEmulator it's also possible to have heated steering wheel, although major modification to G85 slip ring and other fixes are necessary.
For example:

With the CCE 'all' the buttons work perfectly.
This post is for informational purposes only, in no case is it to provide technical assistance. All this matter has been discussed in the forum, do the appropriate searches with the search engine.