seating for up to seven-passengers, with two rear facing seats in between the front and back seats. In six-seat configuration the rear bench seat capable of three is replaced by two independent chairs. In addition to the AMG multi-media system, there is also a bar supporting the consumption of cooled beverages, small tables, and a barrier to the front of the vehicle that. Along with this barrier is an intercom from the rear seat to the driver area to support communication within the vehicle. Mechanically, the roof, exhaust, side-panels and chassis featured changes to support the additional length. A special feature for people working on the car, is that the side panels can be easily removed like doors. Mercedes-Benz S 55 AMG One model line of the Mercedes-Benz S-Class in this period was the AMG version S 55. The S 55 had a number of modifications over the stock W220 S-Class, and the changes were oriented towards higher automotive performance and more dramatic styling features compared to the regular models. The model name derives from displacement of the engine, a special almost 5.5 litre V8. The early model had a naturally aspirated version with , and starting in 2003, it switched to supercharged version with . The additional power-boost came for the later model S 55 from pairing this engine with a supercharger. A supercharger is a forced induction system that compresses the air before in enters the engine, and uses air compressor powered by a belt connected to the engine. The engine peak output on the S 55 was and of torque. Other changes include enhanced brakes and wheels, with 14.2 inch brake discs at the front and 13 inch discs at the rear. The S 55 could of course be also equipped with Active Body Control, but this was not standard. The supercharged S 55 models had the Kompressor (Mercedes-Benz) badge on the side. For more about AMG models with this engine see "55" 5.4 L V8 KOMPRESSOR. Features added to the S 55 (US-spec): Active Body Control (ABC) Automatic Level Control Sport Mode 18-inch AMG alloy wheels with performance tires AMG body kit including a new AMG front spoiler and rocker panels 6-disk capacity CD player mounted in trunk Ventilated seats with automatic massage Bigger Brakes Mercedes-Benz S 600 The S 600 was the main 12-cylinder engine model of the W220 body. The increased output of the