Interior Fuse Box Location: 2006-2011 Mercury Milan 2007 Click to view0:17Some Mercurys have multiple interior fuse boxes including in the trunk - the video above will show you where the interior fuse box of your 2007 Milan is located. If your Milan has many options like a sunroof, navigation, heated seats, etc, the more fuses it has. Mercury Milan (2005 - 2009) - fuse box diagram - Auto Genius Engine Compartment Fuse Box (2005 – 2007) Mercury Milan – fuse box – power distribition box. The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.