See in this video the all-new 2023 Mercedes-Benz EQS SUV 450 4MATIC showing its off-road capabilities.
DYNAMIC SELECT: with OFFROAD driving mode
The driver can change the characteristics of the drive, ESP®, suspension and steering using DYNAMIC SELECT. In addition to ECO, COMFORT, SPORT and INDIVIDUAL, the EQS SUV has OFFROAD, a further mode for off-road driving. Overall, the accelerator pedal curve is much flatter there. The vehicle level is raised by 25 mm.
At speeds above 50 mph, the vehicle lowers to normal level. If the speed falls below 31 mph, the vehicle is raised again. Two versions of the OFFROAD driving mode with and without ESP® can be selected:
In the OFFROAD driving mode with activated ESP®, little slip is permitted on the potentially spinning wheels. In this way, significantly fewer tracks are left behind on a wet grass, for example. This is achieved through torque balancing between eATS and ESP®. The pressure in the control system thus matches the torque at the wheel exactly. When articulated in the terrain, a kind of pre-filling takes place. This means that the unloaded wheel is already supplied with pressure in the wheel brake during the rebound phase in order to prevent it from spinning.
The aim of the OFFROAD driving mode with ESP® OFF is to allow sufficient slip, but still make the vehicle safe and easy to control. A lot of wheel slip, for example, is helpful to have enough propulsion on sand - the vehicle burrows forward. The control thresholds of the ASR traction control system are significantly widened here. Even in potentially critical situations, such as turning around on a dune, when the momentum is not enough to reach the top, the driver always has full torque available. Power is sufficiently available from the eATS.
The off-road ABS works with significantly more slip. The slip is reduced via the steering angle so that the vehicle remains steerable. Downhill Speed Regulation (DRS) is now realized via the iBooster and not via a hydraulic unit (ESP®) as the models with combustion engine. As a result, DRS now maintains control quietly and smoothly.
Source : Mercedes-Benz
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Негізгі бет Mercedes-Benz EQS SUV 2023 | OFF-ROAD Test drive
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