Rear drivers side seat is stuck down on my Mercedes 2004 ml350, how can I get it to release and come up

It is located under the passenger seat. May have to loosen the pass front seat mounting screws and remove the two rear screws and lift the seat up at the rear about 3 inches to replace it.
https://www.youtube.com/watch?v=o7hfpkJrfLo

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Not an easy task. You likely have one of 2 problems. If center seat belt is in the seat that is down, it may be locked. If so, you need to remove the seat back cover then the seat belt retractor. You can then position the seat belt retractor upright (how it sits when the seat is up) and pull the seat belt out making slack to raise the seat. This only happens if the either the stop on the seat belt is broken or the seat belt guide on the seat back is broken. If that's not the problem, you likely have a release cable that has come loose under the seat. If you look at the half that works, you can determine what you need to move on the locked seat and try to get to it with a long tin screwdriver or similar implement.

To fold-down rear seat on 2007 Chevy Malibu, follow these steps:
1. Open the trunk
2. Pull on one or both the handles located on the upper side of the trunk
3. The handle located on the driver's side will unlatch the bigger part of the read seat
4. The handle on the passenger side will fold down the smaller portion of the rear seat.
5. Once done, you will have a seat that's nicely folded down.

Push on the seat to the rear while pulling the cable release. Sounds like latch is adjusted too tight. If this works make adjustment before putting the seat back up. Open trunk & you should also be able to get to the speakers and the latch for the seat back. May require a screwdriver or something narrow & long to push on the latch arm while another person pushes & pulls the seat back to unlatch.

Chris

ASE Master Certified sense 1979

will need to try and see if latch is damaged or debris is jammed in latch with the other side up look under at latch also check the cable --you can try kneeling on seat and bounce and pull on tab to try and get it to release

my radio isint working

see if this helps

1. Remove the rear trim screw.

1. Remove the lower trim screw.

1. Release the side trim front retaining clip.
2. Pull the lumbar mechanism out slightly from the seat.
3. Push down and pull out, releasing the side trim front retaining clip.
4. CAUTION: Take care when removing the side trim cover. Excessive force will break the mounting tabs.

Release the side trim from the mounting bracket.

1. Disconnect the seat control switch electrical connector.

the release cable has broke ,take the seat out and have a play to work out whats wrong ,you may be able to repair it with a bicycle brake cable

i beleive the release handles are in the trunk. Unless the release handle broke or cable is broken it is probably out of adjustment. Try having someone lean into the seat backrest and then pull release handle. I'm assuming your talking about your backrest release. If you are refering to the seat cushion-they can be tough but try putting some weight down on the cushion and then try pulling the release handle at each side of the seat.

Push down on the seat then pull the handle or both at the same time then pull up while holding the release up, it got me at first, but thats how i got it