Germans are balanced around not having Musketeers or Grenadiers, for example, and around Uhlans being worse than Hussars, yetrs you propose giving them these exact units, and not even just normal Hussars, but Magyar Hussars, which are stronger.
Also, Early War Wagons would be busted. There is no Age 2 unit that can take a War Wagon on, and those things wreck Outposts…