AdBlue
®
tank any further. AdBlue
®
may leak
out.
To avoid transporting already opened refill con-
tainers in the vehicle, completely empty refill
bottles or canisters when filling the AdBlue
®
tank, if possible.
Further information on AdBlue
®
(
Y
page 439).
Opening the AdBlue
®
filler cap
The fuel filler flap is unlocked or locked auto-
matically when you open or close the vehicle
with the key or using KEYLESS-GO.
X
Switch the ignition off.
X
Press the fuel filler flap in the direction of
arrow
:
.
The fuel filler flap swings up.
X
Turn blue AdBlue
®
fuel filler cap
;
anti-clock-
wise and remove it.
AdBlue
®
filler cap
;
is secured with a plastic
strip.
AdBlue
®
refill canisters
!
Do not tighten the disposable hose with too
much force. The disposable hose may other-
wise be destroyed.
X
Unscrew the cap from the opening on top of
AdBlue
®
refill canister
;
.
X
Place disposable hose
:
on the opening of
AdBlue
®
refill canister
;
and screw it on
clockwise until hand-tight.
i
Disposable hose
:
remains closed until
you fasten disposable hose
:
to the AdBlue
®
filler neck of the vehicle.
X
Place disposable hose
:
on the filler neck on
the vehicle and screw it on clockwise until
hand-tight. When you feel resistance, dispos-
able hose
:
is sufficiently secured.
X
Lift up and tip AdBlue
®
refill canister
;
.
i
Filling stops when the AdBlue
®
tank is com-
pletely filled. Do not fill the AdBlue
®
tank any
further. AdBlue
®
refill canister
;
can be
removed when it has been only partially emp-
tied.
X
Turn disposable hose
:
on the filler neck of
the vehicle anti-clockwise and remove it.
X
Turn disposable hose
:
on the opening of
AdBlue
®
refill canister
;
anti-clockwise and
remove it.
X
Reseal AdBlue
®
refill canister
;
with the cap.
AdBlue
®
refill canisters are available at many
filling stations or at a Mercedes-Benz Service
Refuelling
181
Dr
ivi
ng
an
d
parki
ng
Z
