move_base goal_tolerance has no effect

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I'm trying to set up the navigation stack and was experimenting with the goal_tolerance parameters. I set the following in my launch file: xy_goal_tolerance: 300.0 yaw_goal_tolerance: 300.0 free_goal_vel: True

When I set a 2D Nav Goal with a couple of meters distance to the current 2D Pose in rviz I get the status: "This goal has been accepted by the simple action server"

Only when I set the goal exactly onto the current 2D Pose I get the result "Goal reached." How come, the tolerance parameters seem to be ignored? Best regards