Mercedes-Benz GLE COUPE Operator's Manual page 146

Refueling
144
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.
To open:switch the ignition off.
X
Press the fuel filler flap in the direction of
X
arrow :.
The fuel filler flap swings up.
Turn blue DEF fuel filler cap ; counter-clock-
X
wise and remove it.
DEF filler cap ; is secured with a plastic
strip.
To close: place DEF filler cap ; on the filler
X
neck and turn it clockwise.
To close the fuel filler flap, press it in the
X
direction of arrow :.
Drive faster than 10 mph (16 km/h).
X
The Check Additive See Operator's
Manual message goes out after approx-
imately one minute.
i
If the Check Additive See Operator's
Manual message continues to be shown in
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.
Unscrew the cap from the opening on top of
X
DEF refill canister ;.
Place disposable hose : on the opening of
X
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.
Place disposable hose : on the filler neck on
X
the vehicle and screw it on clockwise until
hand-tight. When you feel resistance, dispos-
able hose : is sufficiently secured.
Lift up and tip DEF refill canister ;.
X
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.
Turn disposable hose : on the filler neck of
X
the vehicle counter-clockwise and remove it.
Turn disposable hose : on the opening of
X
DEF refill canister ; counter-clockwise and
remove it.
Reseal DEF refill canister ; with the cap.
X
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 fit the
vehicle's DEF tank offers no protection against