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:
Data stored in the vehicle
Information about electronic data
acquisition in the vehicle
(Including notice pursuant to California Code
§ 9951)
Your vehicle records electronic data. If your
vehicle is equipped with mbrace3, ...
Point of interest list
Introduction
The illustration below shows an example of
the point of interest list for the Restaurant
main category in the vicinity of the current
position.
Depending on the point of interest ...
Automatic headlamp mode
X To switch on automatic headlamp mode: turn the light switch to
or
.
SmartKey in position 1 in the ignition lock: the parking lamps are switched on
or off automatically depending on the brightn ...
