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Vehicle care211● Vehicle storage at extremetemperatures may cause
damage to the high voltage
battery.
● Remove the black negative (−) cable from the 12 V vehicle
battery and attach a trickle
charger to the vehicle battery
terminals or keep the 12 V
vehicle battery cables connected and trickle charge from the
positive (+) and negative (−)
terminals in the engine
compartment.Caution
The vehicle is equipped with an
AGM 12 V vehicle battery, which
can be damaged by using the
incorrect type of trickle charger.
An AGM compatible charger must be used with the appropriate
setting selected.
Follow the trickle charger
manufacturer instructions.
After the 12 V vehicle battery cable is reconnected, it is possible that the
vehicle may not operate. If this
happens, the high voltage battery
may need to be charged.
Putting back into operation
When the vehicle is to be put back into operation:
● Connect the clamp to the negative terminal of the 12 V
vehicle battery. Activate the
electronics of the power
windows.
● Check tyre pressure.
● Fill up the washer fluid reservoir.
● Check the coolant level.
● Fit the number plate if necessary.Vehicle checks
Performing work9 Danger
Never try to perform maintenance
work on high voltage battery
components yourself. You may be
injured and the vehicle may be
damaged. Service and repair of
these high voltage battery
components should only be
performed by a trained service
technician with proper knowledge
and tools. Exposure to high
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Vehicle care2133. Release the bonnet support fromits retainer above the radiator
support and place it securely into
the slotted retainer in the bonnet.
Closing Before closing the bonnet, press the
support into the holder.
Lower the bonnet and let it fall into the
latch from a low height (20-25 cm).
Check that the bonnet is engaged.Caution
Do not press the bonnet into the
latch to avoid dents.
Cooling system
The vehicle has three different
cooling systems.
Regularly check the coolant level of
the respective cooling systems and
have the cause of a possible coolant
loss remedied by a workshop.
Caution
Make sure that you never run the
vehicle with insufficient coolant.
A low coolant level can cause
damage to the vehicle.
Heater cooling system
The coolant reservoir is located in the engine compartment.
The coolant provides freeze
protection down to approx. -28 °C.
Caution
Only use approved antifreeze.
If the engine cooling system is cold,
the coolant level should be above the
filling line mark. Top up if the level is
low.
9 Warning
Allow the engine to cool before
opening the cap. Carefully open
the cap, relieving the pressure
slowly.
To top up use a 1:1 mixture of
approved coolant concentrate mixed
with tap water. Install the cap tightly.
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214Vehicle careHigh voltage battery cooling
system9 Danger
The high voltage battery coolant
may only be serviced by a
qualified technician.
Improper handling could cause serious injuries or death.
The high voltage battery coolantreservoir is located on the front side
of the engine compartment.
Check to see if coolant is visible in the high voltage battery coolant reservoir.
If coolant is visible but the coolant
level is below the cold fill line, there
could be a leak within the cooling
system.
If the coolant level is too low, seek the assistance of a workshop.
Power electronics and charger
modules cooling system9 Danger
The power electronics and
charger modules coolant may only be serviced by a qualified
technician.
Improper handling could cause serious injuries or death.
The power electronics and charger
modules are cooled using the same coolant loop.
The power electronics and charger
modules coolant reservoir is located
on the front side of the engine
compartment.
Check to see if coolant is visible in the
power electronics and charger
modules coolant reservoir. If coolant
is visible but the coolant level is below the cold fill line, there could be a leak
in the cooling system.
If the coolant level is too low, seek the assistance of a workshop.
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Vehicle care227NumberUsage46Integrated chassis control
module47Headlight levelling device48Integrated chassis control
module49Interior rear view mirror50–51E-booster52Rear camera53Run / Crank54A/C control module55Rechargeable energy
storage system pump56–57Power electronics coolant
pump58Engine control module59Electric steering column
lockNumberUsage60HVAC electric heater61On-board charging module62Transmission range control
module 163Electric cooling fan64Engine control module65Auxiliary heater pump66Powertrain relay67Drive unit controller68Rear window defogger69Second run / Crank relay70A/C control module71–72Transmission range control
module73Single power inverter
module74–After having changed defective fuses,
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunctions may occur.
Instrument panel fuse boxThe fuse box is located on the driver's
side behind a cover in the instrument
panel.
To open the compartment, compress
the locking tabs, fold cover down and remove.