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:
Deactivating/activating PARKTRONIC
1 To deactivate/activate PARKTRONIC
2 Indicator lamp
If indicator lamp 2 lights up, PARKTRONIC is
deactivated.
PARKTRONIC is automatically activated
when you turn the SmartKey to position ...
Switching on Night View Assist Plus
You can only activate Night View Assist Plus if:
• the SmartKey is in position 2 in the ignition lock.
• it is dark.
• the light switch is in the or
position.
• reverse gear has not b ...
Programming the integrated garage
door opener on the rear-view mirror
Programming
WARNING
Only press the transmitter button on the
integrated garage door opener if there are no
persons or objects present within the sweep
of the garage door. People could otherw ...
