What should I expect to go wrong after 30K. So far, nothing but normal maintenance so far.
If we could tell you this, we would make a killing with our crystal ball.
Nothing to expect, but things do break, so be prepared.
Enter in your search engine, “2015 VW CC timing chain problems”.
And that’s just for starters.
Go to the public library and look up the cc in the Consumer Reports annual reliability survey. There was one generation from 2008 to 2017. It seems to me that 2012 and later should provide data you can use. Unless there are full black circles for any of the repair categories, I wouldn’t worry about it. Actually, I might not worry too much anyway, because full black circles mean more than 4% of owners reported that type of problem.