Black-red coalition :
Relief within the CSU by way of the coalition settlement

EPA
The fears within the CSU had been nice that the Union could be ripped off by the SPD. Now, nonetheless, one reveals your self relieved: “The bits scho”.
https://www.faz.net/aktuell/politik/inland/erleichterung-in-der-csu-ueber-koalitionsvertrag-110411824.html