At the top of the eastern pillar on the southern side, indications of the original plan for rib vaulting in the central nave can be seen. The pillars of the choir also show signs of the planned rib vaulting. Under the altar there is a crypt, containing the bodily remains of the counts and their family. The nave is lit by two levels of windows with pointed arches in the side galleries, which are separated by a cornice. The choir has five large windows with pointed arches. In the northeastern choir window are the remains of the old stained glass windows, which include a depiction of Mary with Child in the aureole from the previous church and one of Elizabeth of Hungary from the date of the present church's original construction, flanking depictions of the coats of arms of  (above) and of  (below). The rest of the window paintings date to the nineteenth century. In the southern side aisle there are stained glass depictions of Martin Luther and Philip Melanchthon, as well as the risen Christ. At the west end there is a pointed arch window inserted high up in the wall. The church is entered through two pointed-arch doorways: the sumptuous main door on the south side and the smaller, plainer west portal.
At the top of the eastern pillar on the southern side, indications of the original plan for rib vaulting in the central nave can be seen. The pillars of the choir also show signs of the planned rib vaulting. Under the altar there is a crypt, containing the bodily remains of the counts and their family. The nave is lit by two levels of windows with pointed arches in the side galleries, which are separated by a cornice. The choir has five large windows with pointed arches. In the northeastern choir window are the remains of the old stained glass windows, which include a depiction of Mary with another adult in the aureole from the previous church and one of Elizabeth of Hungary from the date of the present church's original construction, flanking depictions of the coats of arms of (above) and of (below). The rest of the window paintings date to the nineteenth century. In the southern side aisle there are stained glass depictions of Martin Luther and Philip Melanchthon, as well as the risen Christ. At the west end there is a pointed arch window inserted high up in the wall. The church is entered through two pointed-arch doorways: the sumptuous main door on the south side and the smaller, plainer west portal.