Mercedes-Benz S-Class Saloon 2021, Owner'S Manual

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TTopping up A opping up AdBlue dBlue
® ®
Mercedes-Benz recommends topping up AdBlue
®
at a lling pump. If no AdBlue
®
lling pump is
available, you can also top up AdBlue
®
using a
canister.
#
Screw on the fastener of AdBlue
®
re ll canis-
ter 4 .
#
Screw disposable hose 3 onto the opening
of AdBlue
®
re ll canister 4 until hand-tight.
#
Screw disposable hose 3 onto the ller neck
of the vehicle until hand-tight.
#
Li up and tip AdBlue
®
re ll canister 4 .
The lling process stops when the AdBlue ®
tank is completely full.
AdBlue
® re ll canister 4 can be removed
when it has been only partially emptied.
#
Unscrew and close disposable hose 3 and
AdBlue
®
re ll canister 4 in reverse order.
#
Replace AdBlue ® ller cap 2 and turn it
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 ® tank was empty, it can take up to
60 seconds for the re ll to be detected.
#
Start the vehicle.
%
Avoid storing AdBlue
®
re ll containers perma-
nently in the vehicle.
Char Charging t ging the high-v he high-volt oltag age batt e batter ery (plug-in y (plug-in
hhybr ybrid) id)
NNoottes on c es on char harging t ging the high-v he high-volt oltag age batt e battery ery
* NNOOTE 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
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.
* NNOOTE 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