Cylinder head seal!

Hi friends! So there seems to be a problem with me… at the moment, there is a constant loss of cool water due to overcrowding.. spritzer can be recognized by the air filter cover and the compensation tank as well as by the engine room insulation… friends my cylinder head seal is leaking… do you know this? already who had? if so what can the fun cost.. or do you think that I still have a chance that the workshop does what on kulanz.. car is 1 year and 14 days in my possession.. 22000km down ge Spoke… 2.5 Td now has 86,000km on it what do you think?