G
WARNING
If the housing of the high-voltage battery has
been damaged, electrolyte and gases may
leak out. These are poisonous and caustic.
There is a risk of injury.
Avoid contact with the skin, eyes or clothing.
Immediately rinse electrolyte splashes off
with water and seek medical attention
straight away.
!
Exhaustive discharge caused by the vehi-
cle standing idle for lengthy periods can
damage the high-voltage battery.
If the vehicle is idle for lengthy periods, run
it for a few minutes once every six weeks to
charge up the high-voltage battery.
During the charging process, switch off all
electrical consumers, e.g. the automatic
climate control or the seat heating.
Information on charging the high-voltage bat-
tery (Y page 416).
Engine compartment
Before opening the bonnet:
X
Apply the electric parking brake.
X
Shift the automatic transmission to park
position P.
X
Switch the ignition off.
X
Remove the key from the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS‑GO
X
Remove the Start/Stop button from the
ignition lock.
X
Observe the warning notes on the risk of
electric shock (Y page 42).
X
Observe the warning notes about the bon-
net (Y page 391).
RBS driving safety system (Recupera-
tive Brake System)
RBS supports you when braking with an elec-
tronically-controlled brake boost mode and
enables the recovery of kinetic energy (recu-
peration).
For further information on the RBS system
(Y page 269).
Panic alarm
X
To activate: press ! button : for
approximately one second.
An alarm sounds and the exterior lighting
flashes.
X
To deactivate: press ! button :
again.
or
X
Insert the key into the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS‑GO
X
Press the Start/Stop button.
The key must be in the vehicle.
The panic alarm function is only available in
certain countries.
Occupant safety
Introduction to the restraint system
The restraint system reduces the risk of vehi-
cle occupants coming into contact with parts
of the vehicle's interior in the event of an
accident. The restraint system can also
reduce the forces to which vehicle occupants
are subjected during an accident.
44
Occupant safety
Safety
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