The ML55 is powered by a 342-horsepower AMG-tuned V8, permanent 4-wheel drive with 2-speed transfer case and Touch Shift 5-speed auto. Standard equipment includes 4-wheel electronic traction control, stability system, 18" AMG alloy wheels and ABS/Brake Assist. Other features include exclusive charcoal deep-grain leather sport seats, Bose® Acoustimass audio and GPS on-board navigation system with CD-ROM drive that also plays music CDs and Xenon headlamps.