The Berlin Starter Tour is perfect for your first visit in Berlin! You see all the main highlights: Brandenburg Gate, Potsdam Square, the Berlin Wall, Government District, Unter den Linden, Gendarmenmarkt, Berlin Palace, Kurfürstendamm, Memorial Church and so much more. Maybe lunch on the Reichstag?
Best way to get around is in a minivan or a small bus. Other options are possible, please ask me.