MT's Old-Tech-to-Bluetec Mercedes-Benz Diesel Across America Tour - Leg 3

It's hot. Africa hot. Fry-eggs-on-grandpa's-hairless-head hot. The outside-temp gauge on the ML320 Bluetec following behind me, I learn via walkie-talkie, reads 107 degrees. Ah, but it's a dry…uh, no it is not. It's muggy... More...