Although it does not matter which leads from your multimeter you use to test AC current, when testing DC, it is imperative that you use the positive (red) lead on the positive (+) side and the negative or ground lead (black) on the negative (-) or ground side of DC circuits.lthough it does not matter which leads from your multimeter you use to test AC current, when testing DC, it is imperative that you use the positive (red) lead on the positive (+) side and the negative or ground lead (black) on the negative (-) or ground side of DC circuits.
Always verify your Mercedes-Benz color code on your vehicle before ordering. Obsidian Black Metallic may go by several different names and the color sample shown above for 2015 Mercedes-Benz S-Class is approximate. Show all 17 colors for 2015 Mercedes-Benz S-Class.
Black Obsidian has been used since Paleolithic times for making tools and weapons because it holds a sharp edge. Black Obsidian Geological Description: Obsidian is a glassy, silica rich rock formed from lava with a hardness of 5 to 5.5. It is an amorphous stone meaning that its structure contains no regular geometric pattern. Obsidian is found in South America, Japan, Mexico, Afghanistan, and parts of the United States.