If you are a student with a disability or a chronic illness and you need help, advice or just someone to talk to about your situation in person or via mail, you can find information on the offices for students with special needs below:
HU Berlin: https://www.hu-berlin.de/en/studies/behinderte
TU Berlin: https://www.tu.berlin/en/studienberatung/while-studying/studying-with-impairments
You can apply for academic adjustments if you are having difficulties with exams or courses for medical reasons:
FU Berlin (in German): https://www.fu-berlin.de/sites/studium-barrierefrei/beratung/studierende/index.html
HU Berlin: https://www.hu-berlin.de/en/studies/behinderte/bewerbung-en#Adjustments
Information an accessibility on the campuses of TU, HU and FU is found here:
FU Berlin: https://www.fu-berlin.de/en/sites/studium-barrierefrei/campus-barrierefrei/index.html
HU Berlin: https://www.hu-berlin.de/en/studies/behinderte/bewerbung-en#Accessibility
TU Berlin: https://www.tu.berlin/en/studienberatung/while-studying/studying-with-impairments/accessibility