An updated and more powerful CLK63 AMG Cabriolet offering 475 horsepower joins the lineup for 2007 — replacing last year’s 362 horsepower CLK55 AMG. Also, a new CLK550 with 382 horsepower replaces the 302-horsepower CLK500 — and there’s a new Sports Appearance Package for the V-6 powered CLK350. In 2006, this mid-size, sporty luxury coupe/convertible received a cosmetic facelift—including a revised grille, front apron, new taillights, and new alloy wheels. The base CLK350 is powered by a 268-hp, 3.5-liter V-6 engine; it comes mated to a five-speed automatic transmission. The V-8 CLK550 gets a sportier-looking interior and a specially tuned AMG exhaust system. The top-model CLK63 AMG gets a specially modified five-speed automatic with Speed Shift manual gear-changing capability. Standard safety items include four-wheel disc brakes with ABS and Brake Assist, side-impact and head-curtain airbags, Electronic Stability Control, Automatic Slip Control, and active head restraints to help reduce whiplash injuries. An Apple iPod/MP3 player is built into the car’s audio system. The player is operated via steering-wheel controls and the multifunction display in the car’s instrument cluster.