how much band i should get to take admission in mechanical engineering

Hi Dear, If your program is taught in English language then ideally you need to give TOEFL as German universities prefer TOEFL score usually, however they also consider IELTS so try to achieve min 6.0 bands in IELTS . Hope this helps!

if you are asking about TOEFL or IELTS normally 5.5 and above are acceptable in abroad universities