Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Mercedes-Benz for this TSB. Call your local Mercedes-Benz dealer's service department & ask for a copy of TSB# 424646B.
SENSOTRONIC BRAKE CONTROL (SBC) BLEEDING PROCEDURE. VARIOUS INCLUDING MY2005 M-BENZ E-CLASS AND SL-CLASS INCLUDED. *TT THIS BULLETIN SUPERSEDES PB42.46/46 DATED JUNE 24, 2004. ALL MODELS. *TT