Navigation systemVehicle equipment
This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it also
describes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
General information The navigation system can determine the pre‐
cise position of the vehicle, with the aid of sat‐
ellites and vehicle sensors, and can reliably
guide you to every entered destination.
Entries in stationary vehicle
Enter data only when the vehicle is sta‐
tionary, and always give priority to the applica‐
ble traffic regulations in the event of any con‐
tradiction between traffic and road conditions
and the instructions issued by the navigation
system. Failure to take to this precaution can
place you in violation of the law and put vehicle
occupants and other road users in danger. ◀
Opening the navigation system1."Navigation"
During destination guidance, the arrow or map
view appears on the Control Display.
Navigation data
Information on navigation data1."Navigation"2.Open "Options".3."Navigation system version"
Information is displayed on the data ver‐
sion.
Updating the navigation data
General information
Navigation data are stored in the vehicle and
can be updated.
Current navigation data and the authorization
code are available from your service center.
▷Depending on the data volume, a data up‐
date may take several hours.▷Update during the trip to preserve battery.▷The status of the update can be viewed.▷The data are stored in the vehicle.▷After the updating process is complete, the
system restarts.▷Remove the medium with the navigation
data after the update.
Performing the update
1.Depending on the equipment: insert the
USB device with the navigation data into
the USB interface in the glove compartment
or in the USB audio interface.2.Follow the instructions on the Control Dis‐
play.3.Enter the authorization code of the USB de‐
vice with the navigation data.4.Drive off.
The update starts after the authorization code
is entered.
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What to do if...Vehicle equipment
This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it also
describes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
What to do if...▷The current transmission position cannot be
displayed?
The vehicle is located in an unrecognized
region, is in a poor reception area, or the
system is currently determining the posi‐
tion. Reception is usually best when you
have an unobstructed view of the sky.▷The destination without street information
is not used for route guidance?
When city has been input, no downtown
can be determined. Input any street in the
selected city and start destination guid‐
ance.▷The destination is not used for route guid‐
ance?
The destination data are not contained in
the navigation data. Select a destination
that is as close as possible to the original.▷Letters for destination input cannot be se‐
lected?
The stored data do not contain the data of
the destination. Select a goal that is as close
as possible to the original.▷Is the map displayed in shades of gray?
"Traffic conditions/gray map" active:The Control Display changes to a black and
white display. This enables a better view of
the traffic bulletins.▷Spoken instructions are no longer output
during route guidance in front of intersec‐
tions?
The area has not yet been fully recorded, or
you have left the recommended route and
the system requires a few seconds to calcu‐
late a new route suggestion.▷Does the navigation system fail to react to
entries?
If the battery was disconnected, it takes up
to 10 minutes for the system to becoming
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▷A multi-character passkey may be needed.▷Did it take longer than 30 seconds to enter
the passkey? Repeat the pairing procedure.▷Are too many Bluetooth devices connected
to the mobile phone or vehicle? Delete con‐
nections with other devices if necessary.▷The mobile phone is in power-save mode
or has only a limited remaining battery life.
Charge the mobile phone via the charging
cable.▷Depending on the mobile phone, it is possi‐
ble that only one mobile phone can be con‐
nected to the vehicle. Unpair the connected
mobile phone from the vehicle and pair
and connect only one mobile phone.
The mobile phone no longer reacts.
▷Switch the mobile phone off and on again.▷Is the ambient temperature too high or
low? Do not expose the mobile phone to
extreme environmental conditions.
No phone book entries or only some phone
book entries are displayed, or they are incom‐
plete.
▷Transmission of the phone book entries is
not yet complete.▷It is possible that only the phone book en‐
tries of the mobile phone or the SIM card
are transmitted.▷It may not be possible to display phone
book entries with special characters.▷The number of phone book entries to be
stored is too high.▷Is the data volume of the contact too large,
e. g., due to stored information such as
notes? Reduce the data volume of the con‐
tact.
The phone connection quality is poor.
▷The strength of the Bluetooth signal on the
mobile phone can be adjusted, depending
on the mobile phone.▷Place the mobile phone in the area of the
center console.If all points in this list have been checked and
the required function is still not available, con‐
tact Customer Relations or the service center.
Controls Adjusting the volume
Turn the knob until the desired volume is se‐
lected. The setting is stored for the remote con‐
trol currently in use.
Incoming call
Receiving calls If the number of the caller is stored in the
phone book and is transmitted by the network,
the name of the contact is displayed. Other‐
wise, only the phone number is displayed.
If more than one phone number is assigned to
a contact, only the name of the contact is dis‐
played.
Accepting a call Press the button on the steering
wheel.
or
"Accept"
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Bluetooth mobile phone
preparation packageVehicle equipment This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it also
describes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
At a glance The concept
Mobile phones or other external devices such
as audio players can be connected to the vehi‐
cle via Bluetooth.
Bluetooth® is a registered trademark of Blue‐
tooth® SIG, Inc.
After these devices are paired once, they are
recognized automatically when the ignition is
switched on as soon as they are in the vehicle
and can then be operated via the onboard
monitor, using the buttons on the steering
wheel, and via voice activation.
Depending on their functionality, external devi‐
ces can be used via the vehicle as a telephone
or as an audio source. The telephone functions
are described in the following. Operating the
audio functions, refer to page 175.
Up to four external devices can be paired.
Certain functions may need to be enabled by the mobile phone provider or service provider.
Using the mobile phone while driving
Make entries only when traffic and road
conditions allow. Do not hold the mobile phone
in your hand while you are driving; use thehands-free system instead. If you do not ob‐
serve this precaution, you can endanger the ve‐
hicle occupants and other road users. ◀
Snap-in adapter
The snap-in adapter is used to:▷Hold the mobile phone.▷Recharge the battery.▷Connect the mobile phone to an outside
antenna of the vehicle.
This provides for better network reception
and consistent sound quality.
Approved mobile phones
Displaying the vehicle identification
number and software part number
The vehicle identification number and software
part number are needed to determine which
mobile phones are supported by the mobile
phone preparation package. The software ver‐
sion of the mobile phone may also be required.
1."Telephone"2.Open "Options".3."Bluetooth® info"4."Display system information"
These approved mobile phones with a certain
software version, support the vehicle functions
described below.
Malfunctions may occur with other mobile
phones or software versions.
Do not operate a mobile phone that is con‐
nected to the vehicle on the mobile phone key‐
pad, as this may lead to a malfunction.
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Snap-in adapter
General information More information on compatible snap-in
adapters that support the functions of the mo‐
bile phone is available at the service center.
Notes At high temperatures, the charging function of
the mobile phone may be limited and functions
may not be executed.
When using the mobile phone via the vehicle,
note the operating instructions of the mobile
phone.
Installation position In the center armrest.
Inserting/removing the snap-in adapter1.Press button 1 and remove the cover.2.Insert the snap-in adapter at the front, ar‐
row 1, and press down, arrow 2, until it en‐
gages.3.To remove the snap-in adapter: press but‐
ton 1.
Inserting the mobile phone
1.Depending on the mobile phone, remove
the protective cap from the antenna con‐
nector and from the USB connection of the
mobile phone.2.With the buttons facing up, slide the mobile
phone up toward the electrical contacts
and press it down until it engages.
The battery is charged beginning with the radio
ready state of the vehicle.
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Engine compartmentVehicle equipment
This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it alsodescribes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
Important features in the engine compartment
1Vehicle identification number2Battery, under the cover 2523Dip stick for engine oil 2384Engine oil filler neck 2385Coolant expansion tank 2406Reservoir for washer fluid for the headlamp
and window washer system 707Engine compartment fuse box 253Hood
Notes Working in the engine compartment
Never attempt to perform any service or
repair operations on your vehicle without the
necessary professional technical training.If you are unfamiliar with the statutory guide‐
lines, have any work on the vehicle performed
only by a service center.
If this work is not carried out properly, there is
the danger of subsequent damage and related
safety hazards. ◀Seite 236MobilityEngine compartment236
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3.Mount the new wheel.4.Screw in at least two bolts crosswise.5.Screw in the remaining lug bolts.6.Fully tighten all lug bolts in a diagonal pat‐
tern.7.Lower the vehicle.8.Remove the jack.
Retightening the lug bolts
Retighten the lug bolts diagonally.
Checking that the lug bolts are tight
Always have the lug bolts checked with a
calibrated torque wrench as soon as possible to
ensure that they are tightened to the specified
torque. Otherwise, incorrectly tightened lug
bolts are a hidden safety risk. ◀
The tightening torque equals
103.3 lb ft/140 Nm.
Replace the defective tire as soon as possible
and have the new wheel balanced.
Vehicle battery Maintenance
The battery is maintenance-free, i.e., the elec‐
trolyte will last for the life of the battery in tem‐
perate climate conditions.
The service center will be happy to answer any
questions on the battery.
Battery replacement Use approved vehicle batteries
Only use vehicle batteries that have been
approved for your vehicle by the manufacturer;
otherwise, the vehicle could be damaged and
systems or functions may not be fully availa‐
ble. ◀
Have the vehicle battery registered by the serv‐
ice center after it is replaced to ensure that all comfort functions are available without restric‐
tions and that any associated Check Control
messages are no longer displayed.
Charging the battery
Note Do not connect the charger to the socket
Do not connect the battery charger to the
socket installed in the vehicle at the factory as
this could damage the battery. ◀
Only charge the battery in the vehicle when the
engine is switched off. Connections, refer to
page 254.
General information Ensure that the battery is sufficiently charged to
achieve the full battery life.
It may be necessary to charge the battery in
the following cases:▷When the vehicle is frequently used to
travel short distances.▷When the vehicle has not been driven for
more than one month.
Power failure
After a temporary power failure, some equip‐
ment will be restricted in its use and will need
to be reinitialized. In addition, certain individual
settings will be lost and must be updated:
▷Time and date: the values must be up‐
dated, refer to page 79.▷Radio: the stations need to be stored again,
refer to page 161.▷Onboard monitor: full functionality will be
restored after some time.
Indicator/warning lamps
Lights up red: the vehicle battery is no
longer being charged. Alternator mal‐
function.
Switch off all unnecessary electrical consumers.
Have the battery checked immediately.
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Lights up yellow: the battery charge
level is very low, the battery is old, or it
is not securely connected.
Charge the battery by taking a long drive or us‐
ing an external charger. If the indicators appear
again, have the battery checked as soon as
possible.
Disposing of old batteries Have used batteries disposed of by the
service center after they are replaced or
take them to a recycling center.
Maintain the battery in an upright position for
transport and storage. Secure the battery so
that it does not tip over during transport.
Fuses Replacing fuses
Never attempt to repair a blown fuse and
do not replace a defective fuse with a substi‐ tute of another color or amperage rating; this
could lead to a circuit overload, ultimately re‐
sulting in a fire in the vehicle. ◀
Fuses should be replaced by the service center.
Information on the fuses can be found on the
inside of the covers.
In the engine compartment
Opening the cover
Press the snap lock.
In interior
On the right side of the footwell.
Opening the cover
Push out at the recess.
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