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:
Using KEYLESS-GO
The KEYLESS-GO key must be outside the
vehicle. All the doors must be closed.
•► Touch recessed sensor surface 1 on the
door handle until the side windows and the
sliding sunroof or the ...
Downloading destinations in COMAND
The components and operating principles
of COMAND can be found on.
You can only use the Destination
Download function if the vehicle is
equipped with a navigation system.
Destination Downloa ...
Front
Front
...