Mercedes-Benz CLS Operator's Manual page 177

174 Driving and parking
1 Fuel filler flap
2
Bracket for fuel filler cap
3
Tyre pressure table
4
QR code for rescue card
5
Fuel type
Press on the rear part of fuel filler flap 1.
#
Turn the fuel filler cap anti-clockwise and
#
remove it.
Insert fuel filler cap from above into bracket
#
2.
Completely insert the pump nozzle into the
#
tank filler neck, hook in place and refuel.
Only fill the fuel tank until the pump nozzle
#
switches off.
%
Vehicles with diesel engine: The tank filler
neck is designed for refuelling at diesel filling
pumps.
Your vehicle is equipped with an incorrect fuel
protection system to prevent filling up with
the wrong fuel. This function may be deactiva-
ted in some countries due to local circum-
stances. For more information, consult a
Mercedes-Benz service centre.
%
Vehicles with a diesel engine: Refuel with at
least 5 litres of diesel if the fuel tank has been
run dry completely.
%
Vehicles with a diesel engine: Use a filler neck
with a large diameter for vehicles with a diesel
engine when topping up fuel from a fuel can.
Otherwise, the filler neck cannot be pushed
into the tank shaft.
Your vehicle is equipped with an incorrect fuel
protection system to prevent filling up with
the wrong fuel. This function may be deactiva-
ted in some countries due to local circum-
stances. For more information, consult a
Mercedes-Benz service centre.
Replace the cap on the filler neck and turn
#
clockwise until it engages audibly.
Close fuel filler flap 1.
#
®
AdBlue (vehicles with a diesel engine only)
®
▌Notes on topping up AdBlue
®
AdBlue is a water-soluble fluid for the NOx
exhaust gas aftertreatment of diesel engines. In
order for the exhaust gas aftertreatment to func-
®
tion properly, only use AdBlue
with ISO 22241.
®
AdBlue is characterised by the following:
non-toxic
R
colourless and odourless
R
non-flammable
R
in accordance