Maximum gradient-climbing capability

For good road surface conditions, the maximum gradient-climbing capability is 100%, which corresponds to an approach/departure angle of 45°. Note that the vehicle's gradient-climbing capability depends on the off-road conditions.
Accelerate carefully and make sure that the wheels do not spin when driving on steep terrain.

If the load on the front axle is reduced If the load on the front axle is reduced when pulling away on a steep uphill slope, the front wheels have a tendency to spin.
4ETS recognizes this and brakes the wheels accordingly. The rear wheel torque is increased, making it easier to drive off.

    See also:

    Increased vehicle weight due to optional equipment
    This is the combined weight of all standard and optional equipment available for the vehicle, regardless of whether it is actually installed on the vehicle or not. ...

    Wheel and tire combinations
    Please bear the following in mind For safety reasons, Mercedes-Benz recommends that you only use Tires and wheels which have been approved by Mercedes-Benz specifically for your vehicle. These ...

    Belt height adjustment
    You can adjust the seat belt height on the driver's seat and the front-passenger seat. Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder. ...