MB's Active Body Control suspension system is standard on the SL550, and the degree to which ABC negates body pitch, roll and squat is almost eerie.

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The front and rear multilink suspension has been revised to provide better cornering, body control and, most important, isolation, with a pallet full of hydro-elastic bushings between suspension bits and chassis.

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The parts included "brakes, brake pads, brake shoes, ignition coils, water pumps, window regulators, suspension sway bar links, wheel hubs, anti-lock braking sensors, control arm bushings, transmission filters, pitman arms, tie rod ends, and suspension air springs, " the papers add.

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More sophisticated suspension systems mean that big vehicles can maintain a firm sense of control in hard turns without needing to have a punishing ride.

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The enormous performance of the "iBusiness" with BRABUS SV12 R Biturbo 750 engine is kept safely under control with custom-tailored solutions for tires, brakes and suspension.

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