Van Compass Rocker Guard Slider Door Step Extension for Mercedes Sprinter 4x4 (2015–2022, 144" Wheelbase)Add functionality exactly where you need it with the Van Compass Rocker Guard Slider Door Step Extension, engineered specifically for 20152022 Mercedes Benz Sprinter 4x4 144" wheelbase models equipped with Van Compass Rocker Guards. This bolt on extension mounts directly to the passenger side rocker guard, increasing usable step area at the slider door entry and exit point. The added platform makes climbing in and out of your van easier while