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" Mercedes offer three protection levels of armored sedans for threatened customers. Without giving all the details, it is true that the cars are designed to withstand a series of explosions, including two hand grenades on the roof, two below the car and a 25-pound explosion of TNT set 5 ft. away at a height of 3 ft. Kevlar and thick, solid steel are the main body protectors, while windows are 2 in. thick. (Yes, they do roll down. &amp;quot;Customers feel closed-in if they&amp;#039;re sealed. They need to smell fresh air.&amp;quot;) Full protection increases the weight of E-Class and S-Class sedans by 800 pounds. Bigger brakes are the primary chassis upgrades.--Jim Dunne "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/cars/a450/2358316/>