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:
Complete safety package for maximum occupant protection
In combination with the front and rear deformation zones, the Mercedes-Benz
GLK-Class's highstrength passenger cell provides a highly efficient foundation
for the occupant protection systems. Thes ...
Restoring the factory settings
Press the
and
buttons simultaneously for
approximately six seconds until the battery check lamp flashes twice. ...
Number of seats
The specifications shown on the Tire and
Loading Information placard in the
illustration are examples. The number of
seats is vehicle-specific and can differ from
the details shown. The numbe ...
