Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 212

210 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 back area 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 a diesel engine: the tank filler
neck is designed for refuelling at diesel filling
pumps.
%
Vehicles with a diesel engine: when the fuel
tank is completely empty, top up with at least
5 litres of diesel.
% 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 slide into the
tank.
Replace the cap on the filler neck and turn
#
clockwise until it engages audibly.
Close fuel filler flap 1.
#
P223 0288 02
®
AdBlue (vehicles with a diesel engine only)
▌Notes on refilling 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
®
If you open the AdBlue tank, small amounts of
ammonia vapour may be released. Only fill the
®
AdBlue tank in well-ventilated areas.
®
Do not let AdBlue come into contact with skin,
®
eyes or clothes. Keep AdBlue away from chil-
dren.
®
Do not ingest AdBlue . If AdBlue
immediately rinse your mouth out thoroughly.
Drink plenty of water. Seek medical attention at
once.
in accordance
®
is swallowed,