SPECIAL-ACTIVE REAR LEFT KONI SHOCK MERCEDES-BENZ X-CLASS (W470) 220D, 250D, 350D V6 INCL. 4-MATIC 09.2017

KONI REAR LEFT SHOCK ABSORBER

Code :  8245 1409

Shock absorber model :  Special-Active

Mounting Side : Rear left

Type :  Gas

External adjustment : No


Attention: Compatible only for models with standard or raised suspension, Front / Rear: 0 - 20mm

The Special Active shock absorber is the latest innovation introduced by Koni, and is the new generation of Koni shock absorbers capable of obtaining the best result in terms of balance between performance and comfort. Using the Frequency Selective Damping (FSD) system, the shock absorber is able to automatically and mechanically adapt to road conditions: rigid on flat ground, soft on bumpy, much more marked and evident than the 'original.

The graph, which compares the damping of the shock absorber with respect to the operating speed, clearly shows how the Special Active works: the calibration is extremely rigid on flat roads (motorways and state roads, for example), where the frequency is 1 Hz; on the other hand, when the frequency reaches 10 Hz (bumpy roads, or on cobblestones), the calibration is lowered, greatly improving the comfort of the car, dropping beyond the level of the original.

Special Active has several strengths to be discovered:

-Ideal balance between calibration and vehicle comfort.

-Use of the innovative Koni-patented selective damping system based on frequency.

-Wide range of codes for both modern and youngtimer cars.

-Technology that replaces the much more expensive electronic suspension systems.

- Significant improvement in safety, grip and braking effectiveness.

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