Mercedes-Benz S-Class - Spanning a wide gulf at the top of the Mercedes sedan range, the S-Class appeals to captains of industry, celebrities, and the merely affluent. It's just short of the doily crowd's Maybach 57 and 62—more than $200k in top AMG S65 tune, and about $90k in its most affordable S400 Hybrid guise. From earth-friendly to exclusive and exotically fast, the 2011 Mercedes-Benz