Safety notes
Warning labels
GWarning!
Various warning labels are attached to your
vehicle. These warning labels are intended to
make you and others aware of various risks.
Do not remove any of these warning labels
unless explicitly instructed to do so by
information on the label itself. Removing
warning labels may cause you and others to
be unaware of certain risks which may result
in an accident and/or personal injury.
Danger of electric shock
The components of the HYBRID system are
indicated by yellow warning labels to make
you aware of high voltage. High-voltage
cables are orange-colored.
GWarning!
The HYBRID system is energized by high
voltage.
You could be seriously or even fatally injured
when you
Rtamper with components or high-voltage
cables of the HYBRID system
Rtouch components or high-voltage cables
of the HYBRID system after the vehicle has
been involved in an accident
Rtouch damaged components of the HYBRID
system
Do not remove covers of components of the
HYBRID system that carry the yellow warning
label. Do not tamper with any components or
with the orange high-voltage cables of the
HYBRID system.
Engine compartment
Before opening the hood do the following:
XEngage the electronic parking brake.XShift the automatic transmission into park
position P.
XSwitch off the ignition.
The green or yellow READY indicator lamp
(Y page 16) in the instrument cluster
goes out.
XRemove the SmartKey from the starter
switch or remove the SmartKey with
KEYLESS-GO from the vehicle.
XObserve the safety notes on the danger of
electric shock in this manual.
XObserve the safety notes regarding the
hood in the Operator’s Manual.
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GWarning!
The electrolyte, i.e. the battery fluid, is toxic
and caustic. Do not allow this fluid to come in
contact with eyes, skin or clothing, for
example in case of an accident.
In case it does, immediately flush affected
area with water and seek medical help
immediately.
For information on the location of the 12-volt
battery and the high-voltage battery, see
(Y page 13).
! Deep discharge caused by prolonged
periods of the vehicle not being used, can
damage the high-voltage battery.
During such periods, operate the vehicle
every 4 weeks for several minutes in order
to charge the high-voltage battery.
During the charging process, switch off
electrical consumers that are currently not
needed, e.g. climate control system or seat
heating.
If necessary, get a jump start.
GWarning!
Inhalation of exhaust gas is hazardous to your
health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause
unconsciousness and lead to death. Do not
run the engine in confined areas (such as a
garage) which are not properly ventilated.
If you do not intend to operate your vehicle
for an extended period of time, contact an
authorized Mercedes-Benz Center about
steps you need to observe.
Removing/installing high-voltage
battery cover
XEngage the electronic parking brake.XShift the automatic transmission into park
position P.
XSwitch off the ignition.
The green or yellow READY indicator lamp
(Y page 16) in the instrument cluster goes
out.
XRemove the SmartKey from the starter
switch or remove the SmartKey with
KEYLESS-GO from the vehicle.
XObserve the safety notes on the danger of
electric shock in this manual.
XObserve the safety notes regarding the
hood in the Operator's manual.
XOpen the hood, see Operator's Manual.
Removing
XTurn locks 1 clockwise by 90°.XLift cover 2 as indicated by the arrows and
remove it forward as seen in driving
direction.
XStore cover 2 in the trunk for example.
Installing
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