Today on the 2006 Mercedes Benz R-Class, we are going to install part number 87413, from hidden hitch. This is what the hitch looks like when installed on our vehicle. Next we will give you some measurements to help you out when selecting some accessories such as a bomb-out, a bicycle rack or a cargo carrier. From the center of the hitch pin hole to the edge of the bumper actually comes out to… see more >