2025 Mercedes-AMG G63: Supercar Suspension

Optional Active Roll Stabilization System

The upgraded Mercedes-AMG G63 will boast a pioneering active roll stabilization system initially introduced to the general public by McLaren. Wards Auto conversed with the engineers behind the modernized G-Class, who revealed its debut in mid-2024 as a 2025 model. This corroborates previous claims that production of the current G-Class is planned to end in the beginning of 2024. The all-electric EQG will be revealed during the following year and will coexist alongside its traditional petrol counterpart.

The major buzz today is concerning the latest kinetic suspension set to supersede the customary anti-roll bars in the hi-spec G. Instead of an ordinary anti-roll bar, the G63 will have access to the active roll stabilization system used in the most recent SL and AMG GT editions. It consists of a dynamic damping apparatus with interconnected hydro-electric valves capable of constantly altering the rebound and compression qualities of the systems.

The compression elements of the shocks on one side of the car are joined to the recovery components of the dampers on the other side through flow control valves. When a tire on one side experiences an impact and compacts, the piston in the drier applies pressure so that the fluid crosses over to the vehicle’s opposite side to facilitate returning. Both sets of struts (front and rear) are regulated by a steel ball that is filled with nitrogen, which stores excess hydraulic liquid and conveys it to necessary places via the flow valves.

Essentially, Mercedes has figured out a system to regulate the G63’s shock absorbance from left to right and front to back. Being an active device, the driver can decide how it performs owing to the type of drive mode.

The control unit has severed the link between rebound and compression, expanding the capabilities of Mercedes which will lead to Comfort mode becoming softer and Sport being more stringent than previously experienced.

In accordance with Wards Auto, the system will be a discretionary extra for the G63, yet it is not distinctly known if it will be offered for the remainder of the range. It is presupposed that it will be available on the EQG since the electric vehicle will bear a considerably heavier load, hence, such a system would help it to withstand such strain more effectively than a Heffalump.

As ingenious as this kind of stabilization system is, it is not novel. Chris Heyring, an Aussie innovator, originally invented this form of kinetic suspension technology before Tenneco amplified it with their Monroe brand. In the early 2000s, Citroen took advantage of it in the World Rally Championship prior to its ban by the FIA. It subsequently appeared on the McLaren 720S and later Rivian R1 automobiles, demonstrating its usefulness for both supercars and powerful heavyweights. On large flashy SUVs such as the G63, it may be interpreted as excessive, yet going over the top is usually underrated.

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