See also:

Hiding display messages
You can hide some display messages with a low priority. Press the or button on the steering wheel to hide the display message. The display message is cleared. Display messages with a low prio ...

Prerequisite
The SatRadio mode described below requires optional satellite radio equipment and a subscription to SIRIUS XM Satellite Radio Traffic Message Service. Further details on SatRadio are availabl ...

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. ...