We can hear a loud vacume leak and hear were it's coming from seams that it is coming from underneath or inside the manifold where like the air intake cone goes into the manifold does this sound like
Most likely just a bad gasket or seal of some sort.
sounds like the seal needs to be replaced..
Search Mercedes-Benz E-Class Questions
Mercedes-Benz E-Class Experts
Related Models For Sale
Used Cars For Sale