How do you open fuel cover in 1999 Mercedes clk430?

To open the fuel cover on a 1999 Mercedes CLK430, first ensure that the vehicle is in the "off" position. Locate the fuel door release lever, which is typically found on the driver's side, near the floor. Pull the lever to release the fuel cover, and then you can open the cover manually. If the lever doesn’t work, you may need to check for a blown fuse or a mechanical issue.