I just couldn't find an Info about this.
Is the Media Encoder only availabe if you purchase the whole CC suite,
or can you download it also if you just purchase one Progamm e.g. Premiere Pro.
Media Encoder CC 2017 is a standalone application which requires subscription of alteast one Video application like Premiere Pro or AfterEffects.
Check the system requirements in this article Media Encoder Help | System Requirements | Adobe Media Encoder .