What is the purpose of the downhill assist function in the Mercedes-Benz GLC?

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The role of the downhill assist function is to reduce the driver's burden, as the downhill assist control system can automatically maintain the vehicle speed at an appropriate level. Prerequisites for using this function: The downhill assist system must be used with four-wheel drive engaged. For short slopes, braking can be applied, while for longer slopes, it is recommended to manually shift to a lower gear. The downhill assist system can be used on unpaved roads. Principle of downhill assist: The DAC (Downhill Assist Control) system operates similarly to engine braking. The DAC system enables the vehicle to maintain a constant low speed, prevents wheel lock-up, and significantly reduces vibrations when descending on uneven surfaces, thereby ensuring driving stability and improving ride comfort.