You'd get a Helles or Pils, depending where in Germany you are. Either because the waiter/waitress know that they are lagers, or alternatively, they don't, but

You'd get a Helles or Pils, depending where in Germany you are. Either because the waiter/waitress know that they are lagers, or alternatively, they don't, but understand Bier, in which case they'll serve you a Helles or Pils as well.