Hello all! It's been a while...

1999 ML430, 294K on the odometer.

Front drivers door lock post does not seem connected anymore. It unlocks from remote and from center console but the post does not move on it's own. Last night, the fuel tank door wouldn't unlock until I manually pressed down then pulled up on the drivers door post. When I did this, I felt and heard the mechanism inside the driver's door work, then the fuel tank door opened.

Front and left rear passenger doors have to be manually pulled up to unlock.

Rear right passenger has machine gun lock-I know how to fix this.

Can anyone tell me where to start with the driver's door and front and left rear passenger? Part numbers if possible. I am trying not to get locked out of the vehicle. Thanks!

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1999 ML430
2003 Chevy Suburban Z71
1993 Honda Prelude V-Tech