Saint,
Yes...No B2 if you do not need it..It is a pain to remove on most cars while the transmission is on the car. It is a mater of a few min when the transmission is out.
Here is rough repair manual for 722.3-722.5, but it has a good troubleshooting and tuning section. Download the master.pdf attachment on post 26
no reverse / jerks in reverse when cold - Mercedes-Benz Forum
Martin