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:
High-beam flasher
•► To switch on: turn the SmartKey in the
ignition lock to position 1 or 2 or start the
engine.
•► Pull the combination switch in the direction
of arrow 3. ...
4ETS (Electronic Traction System)
Observe the "Important safety notes"
section.
Traction control is part of ESP®.
Traction control brakes the drive wheels
individually if they spin. This enables you to
pull away and ...
Unlocking the trunk (Sedan)
The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use the
...
