See also:

Folding the exterior mirrors in or out electrically
Make sure that the SmartKey is in position 1 or 2 in the ignition lock. Briefly press button 1. Both exterior mirrors fold in or out. Make sure that the exterior mirrors are always fol ...

Activating AUX mode
AUX drive Select AUX in the menu using the buttons on the remote control and press the button to confirm. The AUX menu appears. Select Source from the AUX menu and press the button to ...

Roadside Assistance button
Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...