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Active Body Control, or ABC, is the Mercedes-Benz brand name used to describe electronically controlled hydropneumatic suspension. [ 1 ] [ 2 ] This suspension improves ride quality and allows for control of the vehicle body motions, allowing for reduced body roll in many driving situations including cornering , accelerating , and braking .
The active stabilizer system relies on vehicle body sensors and electric motors. The first production usage of this system was introduced in August 2005 with the Lexus GS430 sport sedan, [1] followed by the 2008 Lexus LS 600h luxury sedan. The development of APSSS is claimed to be the world's first electric active stabilizer system. [2]
Crosswind stabilization (CWS) is a relatively new advanced driver-assistance system in cars and trucks that was first featured in a 2009 Mercedes-Benz S-Class.CWS assists drivers in controlling a vehicle during strong wind conditions such as driving over a bridge or when overtaking a semi-truck.
An active suspension is a type of automotive suspension that uses an onboard control system to control the vertical movement of the vehicle's wheels and axles relative to the chassis or vehicle frame, rather than the conventional passive suspension that relies solely on large springs to maintain static support and dampen the vertical wheel movements caused by the road surface.
The Mercedes-Benz S-Class Active Body Control system eliminates the anti-roll bar, instead using sensors to detect lateral load, lateral force, and height difference in the suspension strut, which then hydraulically raise or lower the spring to counter roll.
Active Body Control (ABC) crosswind stabilization – uses the sensors of the Electronic Stability Program (ESP) to vary the wheel load distribution via the ABC spring struts, depending on the direction and intensity of the crosswind, in order to reduce the adverse effects of crosswinds. This is standard on the S 600.
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While conventional traction control systems at the time featured only a slip control function, Mitsubishi's TCL system had an active safety function, which improved course tracing performance by automatically adjusting the traction force (called "trace control"), thereby restraining the development of excessive lateral acceleration while turning.