The fuel-filler door is part of the vacuum power-lock system. You must unlock the diver or passenger side door. The fuel-filler door and the trunk will unlock at the same time.
make sure the car is unlocked and manually open the tank door.
The gas tank on the 2014 Mercedes-Benz Sprinter holds 26.4 gal..
The gas tank on the 2009 Mercedes-Benz GL-Class holds 26.4 gal..
The gas tank on the 2011 Mercedes-Benz Sprinter holds 26.4 gal..
The gas tank on the 2013 Mercedes-Benz E-Class holds 21.1 gal..
The gas tank on the 2014 Mercedes-Benz E-Class holds 21.1 gal.
The gas tank on the 2002 Mercedes-Benz SLK-Class holds 15.9 gal..
The gas tank on the 2006 Mercedes-Benz C-Class holds 16.4 gal..
The gas tank on the 2008 Mercedes-Benz S-Class holds 23.8 gal..
The gas tank on the 2003 Mercedes-Benz G-Class holds 25.4 gal..
The gas tank on the 2013 Mercedes-Benz M-Class holds 24.6 gal..
The gas tank on the 2008 Mercedes-Benz M-Class holds 25.1 gal..