Guys, im strugling to get Marlin autobed leveling working.

Guys, im strugling to get Marlin autobed leveling working. I have the zendstop mounted on a servo, i can deploy the servo and measure the bed. I have configured all the probe offset (x,y,z), disabled software min endstop, but after measuring the bed, when i want to start, the nozzle stays at the probe z offset height, so, it prints on the air.

What im missing?

my config.h: http://pastebin.com/PHRhjRPh