Mercedes-Benz GLC Owner's Manual page 211

Refuelling
208
with the vehicle parked on a level surface.
Fluctuations in capacity will thus be avoi-
ded. Filling a vehicle standing on an uneven
surface is not permitted. There is a danger
of overfilling, which can cause damage to
BlueTEC exhaust gas aftertreatment com-
ponents.
! Surfaces which have come into contact
®
with AdBlue
rinsed immediately with water, or remove
®
AdBlue with a moist cloth and cold water.
®
If AdBlue has already crystallised, use a
sponge and cold water to clean the area.
®
AdBlue residue crystallises after a certain
amount of time and soils the affected sur-
faces.
! AdBlue ®
is not a fuel additive and must
not be added to the fuel tank. If AdBlue
added to the fuel tank, this can lead to
engine damage.
Have the AdBlue
specialist workshop. However, you can also
top up the AdBlue
at a filling station with an AdBlue
R
pump
®
with AdBlue
R
with an AdBlue
R
When the pump nozzle switches off automat-
ically during filling at a filling pump, the
®
AdBlue tank has been completely filled. Do
not fill the AdBlue
may leak out.
To avoid transporting already opened refill
containers in the vehicle, completely empty
refill bottles or canisters when filling the
®
AdBlue tank, if possible.
Further information on AdBlue
( page 484).
Y
while refilling should be
®
tank refilled at a qualified
®
tank:
®
refill bottles
®
refill canister
®
tank any further. AdBlue
®
Opening the AdBlue
Switch the ignition off.
X
Press the fuel filler flap in the direction of
X
arrow :.
The fuel filler flap swings up.
Turn blue AdBlue
X
clockwise and remove it.
®
is
®
AdBlue
tic strip.
i
The fuel filler flap is unlocked or locked
automatically when you unlock or lock the
vehicle.
filling
®
AdBlue refill canisters
! Do not tighten the disposable hose with
too much force. The disposable hose may
otherwise be destroyed.
®
Unscrew the cap from the opening on top of
X
®
AdBlue
Place disposable hose : on the opening of
X
®
AdBlue
clockwise until hand-tight.
®
filler cap
®
fuel filler cap ; anti-
filler cap ; is secured with a plas-
refill canister ;.
refill canister ; and screw it on