Chancellor Angela Merkel told her supporters, "This is a super result," after exit polls suggested a triumphant election win for her party.
Projections from German broadcasters ARD and ZDF show a wide lead for Merkel's Christian Democratic Union against challenger Peer Steinbruck's Social Democrats.
Merkel said her party will do "everything" to make the next four years successful for Germany .
More top news
A British paleontologist has discovered a new species of dinosaur while studying fossils in a Canadian museum.
Sebastian Michaelis, one of a small group of tasters employed by Tetley, can grade a variety of tea in just 15 seconds.
The number of obese diabetics undergoing drastic weight loss surgery needs to triple to tackle a "major problem" facing the NHS, Nice warns.