This will never happen, CSU and FW will form the government, take my words!
You see a tiny little move to the right in the last five years, but nothing you can compare the eastern countries...
2013:
right-wing: CSU 47,7, FW 9 => 56,7%
centre: FDP => 3,3%
left-wing: SPD 20,6, Grüne 8,6, Linke...