ABC - Active Body Control is a Mercedes system
ABC - Active Body Control
ABC (Active Body Control) is Mercedes system for active three-dimensional position adjustment and prevention of sinking and tilting of the body. The basis is in the AIRMATIC oil-air suspension, which, regardless of the load, maintains a constant distance from the ground, and when driving in a curve, it prevents or reduces the tilting of the body. This improves the stability and driving characteristics of the car and increases active safety. The system is based on shock absorbers with oil and air. As air can be compressed, and oil is practically impossible to compress, during loading, air compresses and the suspension dies. This is recorded by the body position sensors and sends information to the electronic module, which opens the solenoid valve and injects as much oil into the shock absorbers as the air has compressed. This flattens the car and makes the suspension stiffer. The principle is the same for longitudinal tilting (when the rear part 'sinks' due to the load) and transverse tilting (when the car leans towards the outer part of the bend under the action of centrifugal force).
ACTIVE BODY CONTROL - Prevents the body from sinking and tilting
The ABC system was first installed in 1998 Mercedes - Benz CL, which quickly showed the advantages of lower tilt compared to other models.
The oil is compressed into the pressure tank by a hydraulic pump, and consists of an air (pneumatic) part, which is charged (compressed), and an oil-hydraulic part, the volume of which is increased by the supply of oil through the pump. In return, the air expands and the oil from the tank returns to the system. He laid the foundation for ABC in 1955. Citroen, in the DS model. Rolls-Royce is 1965, licensed Citroen, for the Silver Shadov model made a hydro-pneumatic rear height adjustment system. In 1975, Mercedes-Benz made its version of the hydro-pneumatic suspension in the 450 SEL 6,9, which was upgraded in 1979 for the most expensive S-Class W126. Lotus also experimented with this technology, and in 1991 Toyota installed the Soarer for the US market. The main innovation of the ABC system is a set of sensors, which monitors the position of the vehicle in three dimensions and, depending on the speed, lateral acceleration and rotation of the steering wheel, at any time puts the body most favorable to the ground. This, of course, prevents or decreases the tilting in the curve.
Retrieved from: autoportal.hr
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Hi there, I am Mladen and I am an auto enthusiast. I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi!
Mladen
Hi there, I'm Mladen and I'm an auto enthusiast. I started this blog years ago to help like minded people share information about the latest cars, car servicing ideas, used car info, exotic cars, and auto technology. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. Ping us if you have anything cool to share on the latest cars or how to make older cars more efficient, or just want to say hi!