The 2011 Mercedes-Benz E350 wagon, is scheduled to make its official debut at the 2009 Frankfurt auto show, but Mercedes-Benz has released images of the car ahead of the show.quipped with stiffer shock absorber settings and torsion stabilizer bars than the outgoing model. An automatic, self-leveling suspension system called "Agility Control" keeps the wagon at the same height even when fully loaded with cargo.