You can start training for the driver's license class AM at 14 1/2 years. The theoretical exam can be taken 3 months before the 15th birthday and the practical exam 1 month before.
No previous class is required to acquire this license category!
Legislators do not prescribe a minimum number of hours for practice, but safe operation and control of the vehicle should be achieved. So the number of practice hours depends on your individual skills. Likewise, the legislator does not prescribe special trips.