2020 Mercedes-Benz GLB 250, 2020 McLaren 720S Spider, Hyundai RM19 Prototype: The Week In Reverse

We took a spin in the 2020 Mercedes-Benz GLB 250; spent some time with the 2020 McLaren 720S Spider; and drove Hyundai’s RM19 mid-engine prototype. It’s the week in reverse, right here on Motor Authority. The 2020 Mercedes-Benz GLB 250…