Schwarzenegger-owned Mercedes-Benz Unimog heads to auction

A custom 1977 Mercedes-Benz Unimog once owned by Arnold Schwarzenegger is headed to the Barrett-Jackson auction next month in Scottsdale, Arizona. Schwarzenegger is a large man who, naturally, likes his vehicles just as large. When it was time to let his noted Humvee fall by the wayside, the Austrian-born muscle man stepped up. It was time for…