The emergency spawn is free for everyone to use, they have access to that unit.
I would support changing how wanted levels work to allow more freedom for medics to be in prison. Medics can enter BR's unwanted for instance but creating an entire new class is completely pointless. Medics shouldn't be able to arrest. If you make a new class and remove the ability to arrest from it, then it's pretty much just the medic spawn. Medics should not be able to kill people, it completely contradicts the role of a medic, both on SAES and in the real world.
I get where you're coming from and I think reforming how a medic gains stars is the answer. Not an entire new class and system with even more rules.
Rulez are for foolz!