According to my owners manuel, there is a hidden button on the back of the seat in the middle (in the middle on the right side on the driver's seat and in the middle on the left on the passenger's seat) and you push that and it should come out. And I think the headrest may have to be all the way down for that to work. Hope this helps.
In the Mercedes 240E, the headrest removal button is typically located on the side of the headrest support. To remove the headrest, press the button while pulling the headrest upward. If you're having trouble locating it, consult the vehicle's owner's manual for specific instructions and illustrations.
To remove the back headrest from a Mercedes-Benz E320, start by locating the small release button on the side of the headrest support poles. Press and hold this button while pulling the headrest upward to detach it from the seat. If necessary, adjust the seatback angle for easier access. Once the headrest is fully released, it can be lifted out completely.
find the "hole" in the back of the seat. ... wait a sec.. read your manual.
How do you remove the ML 430 headrest?
how to remove headrest of 95 chevy corsica without tabs
To remove the headrest on a 1994 Plymouth Voyager Van, push the headrest all the way down. Then gently push the headrest back and pull straight up. Some seat models also have a lever on the side of the seat to depress to remove the headrest.
To remove the headrest from a 2006 Jeep Commander, first, adjust the headrest to its highest position. Locate the release button or tabs at the base of the headrest posts; you may need to press them in to disengage the headrest. While holding the buttons, pull the headrest straight up to remove it completely. If the headrest doesn't come off easily, double-check that the release mechanism is fully engaged.
Hold down the small headrest adjuster release button, and then pull the headrest straight up and out.
To remove the headrest from a 1998 Chevy Monte Carlo, first, locate the release buttons on the sides of the headrest support posts. Press these buttons simultaneously while pulling upward on the headrest to remove it. If the headrest doesn't come off easily, ensure that the buttons are fully pressed in. Once the headrest is free, you can lift it out of the seatback.
RWD sedan
How do the headrest come an 2010 Chevy impala
To remove the headrest in your 2007 Avalanche, first pull the headrest all the way up. Then, press the seat back all the way down around the neck of the headrest until you see two springs. Using needle-nose pliers, remove the springs. Pull up on the headrest and it should come loose.