Bundesautobahn 117 (translates from German as Federal Motorway 117, short form Autobahn 117, abbreviated as BAB 117 or A 117) is an autobahn in Germany.
The road that would become the A 117 was opened on 6 October 1962 as the A 113, intended as a connection from the A 10-A 13 junction in Schönefeld to the Berlin neighborhood of Adlershof.
The stub that was left, from Waltersdorf into Treptow, was renumbered A 117.
The existing autobahn also had to be slightly rerouted, as the town's cemetery was isolated from the rest of its area by the road.
When the A 113-A 117 project was completed, the portion of the B 179 that ran into Berlin was downgraded to L 400, a fact that still has not been noted by most maps.