E350: 2011 e350. Where is the fuse for the cigarette lighter Hi, my name isXXXXX 71 in the trunk fuse box on the left side is the fuse for the cigarette lighter. I'm assuming that you have a 2011 E350 sedan W221 chassis. Marty , Mercedes Technician Interior Fuse Box Location: 2010-2016 Mercedes-Benz E350 Click to view0:17Some Mercedes-Benzs have multiple interior fuse boxes including in the trunk - the video above will show you where the interior fuse box of your 2010 E350 is located. If your E350 has many options like a sunroof, navigation, heated seats, etc, the more fuses it has.