ASSUMING YOU HAVE A 722.3 OR 722.4 TRANS IN YOUR MERCEDES
THE PROBLEM IS NOT THE B-2 BAND
B-2 IS USED IN BOTH 1ST AND 2ND,ALSO USED IN 3RD BUT NOT 4TH.
THE PROBLEM IS IN THE FRONT CLUTCH PACK OR THE VALVE BODY.
ALSO INSPECT OR REPLACE THE SLIP RINGS ON THE FRONT SUPPORT.
M.F.