Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 234

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® ®
T T opping up A
opping up AdBlue
dBlue
Mercedes-Benz recommends topping up AdBlue
at a lling pump. If no AdBlue
®
available, you can also top up AdBlue
canister.
Screw on the fastener of AdBlue
#
ter 4.
Screw disposable hose
#
®
of AdBlue
lling pump is
Screw disposable hose
#
®
using a
of the vehicle until hand-tight.
Li up and tip AdBlue
#
The lling process stops when the AdBlue
tank is completely full.
AdBlue
when it has been only partially emptied.
Unscrew and close disposable hose
#
AdBlue
Replace AdBlue
#
clockwise until it audibly engages.
Close fuel ller ap 1.
#
Switch on the vehicle for at least 60 seconds.
#
%
If the vehicle could not be started as the
AdBlue
60 seconds for the re ll to be detected.
®
re ll canis-
Start the vehicle.
#
%
Avoid storing AdBlue
nently in the vehicle.
3
onto the opening
®
re ll canister
4
until hand-tight.
3
onto the ller neck
®
re ll canister 4.
®
re ll canister
4
can be removed
3
®
re ll canister
4
in reverse order.
®
ller cap
2
and turn it
®
tank was empty, it can take up to
®
re ll containers perma-
Charging t
Char
ging the high-v
he high-volt oltag age batt
h h ybr
ybrid) id)
N N o o t t es on c
es on char
harging t
ging the high-v
he high-volt oltag age batt
* N N O O TE TE High-voltage battery damage due to
leaving the vehicle idle for lengthy periods
®
of time
Lithium-ion batteries experience a natural self-
discharge.
Exhaustive discharging can therefore occur if
and
the vehicle is idle for several months. This can
damage the high-voltage battery.
To avoid damage, please observe the fol-
#
lowing recommendations when handling
the high-voltage battery.
* N N O O TE TE Accelerated ageing of the high-volt-
age battery
As a result of its basic characteristics, the
storage capacity of and the amount of energy
available from the high-voltage battery
decrease over the course of its life. Due to
Driving and parking 231
231
e batter ery (plug-in
y (plug-in
e battery
ery

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S class 2021

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