Mercedes-Benz SL-Class

Overview

The biggest change for the 2013 SL-550 is its redesigned chassis. SL originally stood for "sporty lightweight" and Mercedes has taken those words to heart in its redesign. The biggest factor in this change has been the extensive use of aluminum in the chassis. Steel is still used in small quantities to keep the car stiff and safe, but for the most part the car is built from aluminum. The end result is a body shell that weighs 242 lbs. less than that of its predecessor, all while improving chassi...