See also:

Interchanging the wheels
WARNING Rotate front and rear wheels only if the tires are of the same dimension. If your vehicle is equipped with mixed-size tires (different tire dimensions front vs. rear), tire rotation ...

Activating/deactivating Lane Keeping Assist
You can use the Lane Keep. Asst. function to activate/deactivate Lane Keeping Assist (Y page 200) or Active Lane Keeping Assist. – Press the or button on the steering wheel to select the Dri ...

Roadside Assistance button
X Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance button 1 ...