How do you unlock fuel cap cover on Mercedes ml-320?

To unlock the fuel cap cover on a Mercedes ML320, first ensure that the vehicle is in the "On" or "Run" position without starting the engine. Locate the fuel cap release lever, which is typically found on the driver's side near the seat or in the footwell area. Pull the lever to release the fuel cap cover, and then you can open it. If the lever is not functioning, you may need to access it manually from the trunk or seek assistance.