Traction system hydraulic unit, location - GF42.50-P-4000-02E
WARNING: This page is about a different car, the 2009 Mercedes-Benz E550 and 2008 Mercedes-Benz E550. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Traction System Hydraulic Unit And SBC Control Unit