The driver-side seat won't move forward when unlatching the handle to get to the rear seats. However, all the seat functions and memories work when using the buttons on the door. On the other hand, the passenger side is working as it should.
Welcome to the forum @nys29 - please take a moment to read the information on the links below. It explains how to use the forums and update your user profile so that your car's details and your location appear on each post below your avatar. This is good information for others to know when trying to help. It also has good information about how the forums are organized and how to use the search feature:
BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more!