Opening the DEF filler cap
The filler neck for DEF is behind the fuel filler flap.
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or with KEYLESSGO.
- Switch off the ignition.
- Press the fuel filler flap in the direction of
arrow 1.
The fuel filler flap swings up.
- Turn blue DEF filler cap 2
counterclockwise and remove it.
DEF filler cap 2 is secured with a plastic
strap.
See also:
Incoming call
Rejecting or accepting a call
When there is an incoming call, you see a
corresponding window in the display.
To reject: select Reject by turning
the COMAND controller and press to
confir ...
System language settings
This function allows you to determine the
language for the menu displays and the
navigation messages. The selected language
affects the characters available for entry.
When you set the system l ...
Safety systems
Display messages
(USA only)
(Canada only) The red brake system
warning lamp comes on
while the engine is
running. A warning tone
also sounds.
Possible causes/consequences and ►
Soluti ...