I don't see how Berlin could be considered Cyberpunk at all. Sure there are some modern buildings, but most of it is at least 50 years old. And there's no real high-tech.
I'd say Berlin definitely has a cyberpunk aura at night, with its post-industrial setting, electronic music scene and hacker/tech/anarchist vibe
I live in Berlin. Some parts are punk, some parts are cyber, no parts that I know are cyberpunk.