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Opening/closing the DEF filler cap
The fuel filler flap is unlocked or locked auto-
matically when you open or close the vehicle
with the SmartKey or with KEYLESS-GO.
X
To open: switch the ignition off.
X
Press the fuel filler flap in the direction of
arrow :.
The fuel filler flap swings up.
X
Turn blue DEF fuel filler cap ; counter-clock-
wise and remove it.
DEF filler cap ; is secured with a plastic
strip.
X
To close: place DEF filler cap ; on the filler
neck and turn it clockwise.
X
To close the fuel filler flap, press it in the
direction of arrow :.
X
Drive faster than 10 mph (16 km/h).
The Check Additive See Operator'sCheck Additive See Operator's
ManualManual message disappears after approx-
imately one minute.
i
If the Check Additive See Operator'sCheck Additive See Operator's
ManualManual message continues to be shown on
the multifunction display, you must add more
DEF.
DEF refill canisters
!
Do not screw the disposable hose on too
tight. The disposable hose could otherwise be
damaged and DEF may leak out.
X
Unscrew the cap from the opening on top of
DEF refill canister ;.
X
Place disposable hose : on the opening of
DEF refill canister ; and screw it on clock-
wise until hand-tight.
Disposable hose : remains closed until you
fasten disposable hose : to the DEF 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 DEF refill canister ;.
Filling stops when the DEF tank is completely
filled. Do not fill the DEF tank any further. DEF
refill canister ; can be removed when it has
been only partially emptied.
X
Turn disposable hose : on the filler neck of
the vehicle counter-clockwise and remove it.
X
Turn disposable hose : on the opening of
DEF refill canister ; counter-clockwise and
remove it.
X
Reseal DEF refill canister ; with the cap.
DEF refill canisters are available at many gas
stations or at a qualified specialist workshop.
DEF refill canisters are often sold with a filler
hose. A filler hose that does not exactly fill the
vehicle's DEF tank offers no protection against
Refueling
155
Driving and parking
Z
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