Interior Fuse Box Location: 2015-2017 Mercedes-Benz C300 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 2015 C300 is located. If your C300 has many options like a sunroof, navigation, heated seats, etc, the more fuses Author: Rosen Nissan Mercedes-Benz C-Class (W205) fuse diagram » Fuse Diagram Fuse Box in the Front-Passenger Footwell. Open the front-passenger door. To open: fold cover (1) out towards the rear and remove it. To close: clip in cover (1) at the rear. Fold cover (1) forwards until it engages. 316 Supplemental Restraint System control unit 7.5 Mono multifunction camera 7.5.