The Mercedes Benz Unimog has built its 70 year reputation on being an unstoppable workhorse and off road vehicle, and it can now add something new to its resume: world record holder. A pair of Unimogs U 5023 models, to be specific were part of an expedition that climbed the Ojos del Salado volcano in Chile, setting the world record for a wheeled vehicle driving at altitude. That altitude was 6,694 meters, to be specific, or 21,962 feet. That is freakin high up. In fact, Ojos del Salado is the...

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