Dec 15 (Reuters) - Sixt SIXG.DE says
* Merger of DriveNow and car2go not an option for Sixt
* Sixt owns 50 pct of DriveNow. Any merger of DriveNow with another company would need approval from Sixt
* Has no knowledge of reported takeover talks
* Manager Magazin had reported that Daimler and BMW aim to combine their car-sharing services Car2Go and DriveNow to better compete with U.S.-based ride-hailing service Uber. Further company coverage: SIXG.DE