How to Install an Air Filter in a Mercedes E350

1. Raise the hood of your E350 and rest it on the support rod.
2. Grasp the front section of the engine cover and lift it straight up. Pry up on each of the sides of the engine cover at the point where the front and rear sections meet.
3. Push back on the metal clip at the center of the rear of the engine cover. Pull the cover off and set it aside.
4. Pull the air hose straight out of the air cleaner housing. The hose pushes into place so you can pull it off easily. Lift the air cleaner assembly off the top of the engine.
5. Flip the air cleaner assembly upside down. Loosen the two T20 Torx screws with a Torx bit and ratchet. The screws will remain in the bottom portion of the assembly. Separate the two sides of the air cleaner assembly. Lift the air filter out of the assembly.
6. Insert the new air filter into the air cleaner assembly. Replace the lower portion of the assembly and tighten the Torx screws with the Torx bit and ratchet. Install the air cleaner assembly onto the mounting area in the engine compartment.
7. Connect the air hose to the air cleaner assembly. Push it into place until it is secure. Push the engine cover back into place until it clicks, locking into position. Close the hood of the car.