See also:

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

Important safety notes
WARNING The DISTRONIC PLUS requires familiarity with its operational characteristics. We strongly recommend that you review the following information carefully before operating the system. ...

Folding the exterior mirrors in or outelectrically
► 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 ...