1. Proof of suitability for the course of study by successfully passing the aptitude test
2. General higher education entrance qualification (A-Level) or entrance qualification for studies at universities of applied sciences (advanced technical college entrance qualification) or subject-linked higher education entrance qualification (subject-related university entrance qualification) according to § 11 of the Berlin Higher Education Act (BerlHG)
3. If your university entrance qualification was obtained outside of German-speaking countries, proof of German language proficiency at B2 level (Category C+) must be submitted upon enrollment.

A pre-study internship is not required. 

This is also possible. In addition to the Fachhochschulreife or the A-Level, a subject-linked study qualification for vocationally qualified persons without a higher education entry qualification is possible according to § 11 BerlHG.