Requires a hydraulic press to remove and install.
You cannot replace just the bushings. You have to replace the whole control arm.
I heard it referred to as Strut Rod Bushings at the Control Arm
no you do not have to remove the strut just take the lower control arm lose.
To replace radius arm bushings on a Mercedes A class, remove the 1 1/8 nut at the end of the radius arm. Cut the rivets out and remove the 4 bolts holding the hanger on. Remove the hanger and replace the bushings and bolt it back together.
yes if the unit is not baked
Whenever they have failed.
yes if they need it and you can tell if they are fried
Replacing just the bushings is fine unless the control arm is damaged or deformed. There is no real reason to replace the control arm otherwise, unless manufacturer specifications call for it. In those cases, though, you usually won't be able to purchase the bushings separately anyways.
Currently it seems like you have no choice but to replace the complete arm, that is all I can find available.
Probably strut mounts or control arm bushings.
The bushings are pressed into the arm. It's easier to just replace the arm with a new one, they are not expensive. However, the bushings are available separately and are fairly easy to install, either using a ball joint press, or simply by using some large sockets as bushings to hammer the old ones out and press new ones in.
use a ball joint separator