I did rotors/pads on my '12 Passat few days ago, was a piece of cake. Those were fronts
. I do have have the tool (Amazon) for the rear pistons too, for JIC. These can't be just pushed in, have to be rotated at the same time.
If bracket bolts have seized, then yeah, it could get ugly.
A friend of mine, has alerted me this very morning, about shallow 400#+ impact that HF sells, it is only 4" deep, as opposed to more common 8".