See also:

Convenience opening feature
You can ventilate the vehicle before you start driving. To do this, the key is used to carry out the following functions simultaneously: - unlock the vehicle - open the side windows - open the ...

Roadside Assistance button
  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 but ...

Resetting to factory settings
For safety reasons, the Daytime Running Lights: function in the Lights submenu is only reset when the vehicle is stationary. – Press the or button on the steering wheel to select the Setting ...