See also:

Setting the side air vents
•► To open/close: turn thumbwheel 3 up or down. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

System self-test
The indicator lamp illuminates when you: turn the SmartKey to position 1 or 2 in the ignition lock on vehicles with KEYLESS-GO, press the Start/Stop button once or twice If an adult occupa ...

Service messages
Information on the type of service and service intervals (see separate Service Booklet). You can obtain further information from an authorized Mercedes-Benz Center or at http://www.mbusa.com (U ...