You are not a grammar freak and just want to learn Arabic to communicate with people? Since one does not speak standard Arabic in everyday life, it is advisable to learn the Syrian dialect in Berlin. Syrian dialect is an umbrella term for the very similar dialects in Syria, Lebanon, Palestine, and Jordan. This dialect is well understood all over the Arab world, and the majority of Arabs in Berlin speak this dialect, so you can practice the language in Berlin too.
Prices range between 150-190€