Liability for defects/guarantee

Moien, I bought my better half in early January 2017 a Golf Bj. 2011. I drove about 480km far to a dealer and everything was ok, at least so far. Now in the Kombi 2 warning lights lit up and I am on my own account to the VW dealer who read out the car. It looks like the ignition distributor has one away. In the worst case the control unit, which he does not assume, because with my model the ignition distributor often gives up the mind. Now my question: If the ignition distributor, at least about 200€, falls under the liability for defects, or does it stick to me? Do not misunderstand, if it had been the ignition cables, I would have paid it directly, but the ignition distributor…