See also:

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 ...

Search & Send
"Search & Send" is a destination entry service. You can find further information on "Search & Send" in the separate COMAND operating instructions. ...

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...