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X
To select a preset list or station list: press
and briefly hold the c or d button until
the preset list or station list in the desired
frequency range is shown in the multifunction
display. X
To select a station: briefly press c
or d .
i SIRIUS XM satellite radio functions like a
normal radio.
For more information on radio operation, see
"Satellite radio" in the separate operating
instructions.
Operating an audio player or audio
media
Audio data from various audio devices or media
can be played, depending on the equipment
installed in the vehicle. X
Switch on the multimedia system and select
audio CD or MP3 mode; see the separate
operating instructions. X
Press the Y or e button on the steering
wheel to select the Audio menu.X
To select the next/previous track: briefly
press the c or d button.X
To select a track from the track list (rapid
scrolling): press and hold the c or d
button until desired track C has been
reached.
If you press and hold c or d , the rapid
scrolling speed is increased. Not all audio
drives or data carriers support this function.
If track information is stored on the audio device
or medium, the multifunction display will show
the number and title of the track. The current
track does not appear in audio AUX mode
( Aux iliary audio mode: external audio source
connected). Video DVD operation X
Switch on the multimedia system and select
video DVD; see the separate operating
instructions. X
Press the Y or e button on the steering
wheel to select the Audio menu.X
To select the next or previous scene:
briefly press the c or d button.X
To select a scene from the scene list
(rapid scrolling): press and hold the c
or d button until desired scene C has
been reached.
Telephone menu
Introduction
G WARNING
If you operate information systems and com-
munication equipment integrated in the vehi-
cle while driving, you will be distracted from
traffic conditions. You could also lose control
of the vehicle. There is a risk of an accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the equip-
ment when the vehicle is stationary.
When telephoning, you must observe the legal
requirements for the country in which you are
currently driving. X
Switch on the mobile phone (see the manu-
facturer’s operating instructions). X
Switch on the multimedia system (see sepa-
rate operating instructions). X
Establish a Bluetooth ®
connection to the mul-
timedia system; see the separate operating
instructions. X
Press the Y or e button on the steering
wheel to select the Tel menu.Menus and submenus 235
On-board computer and displays Z

R
Dynamic TRF. Route After Request
You can decide whether or not current traffic
reports should be included in the route cal-
culation (not available in all countries). R
Calculate Alternative Routes
Different routes are being calculated. In order
to do so, instead of Start , select the menu
item Continue .X
To avoid/use route options: select Avoid
Options .X
Select a route option.
Notes for route options: R
Use Toll Roads
The route calculation includes roads which
require you to pay a usage fee (toll). R
Number of Occupants in the Vehicle:
(only available in the USA)
Prerequisite: your vehicle meets the access
conditions for carpool lanes.
Carpool lanes will be included if the carpool
lanes option is activated.
Entering an address Multimedia system: X
Select Navi { Navigation .
The map shows the vehicle's current position. X
Slide 6 the controller.X
Select Destination { Address Entry .
Enter an address, e.g. as follows: R
city or ZIP code, street, house number R
state/province, city or ZIP code R
city or ZIP code, center R
street, city or ZIP code, intersection X
Select City .
The city in which the vehicle is currently loca-
ted (current vehicle position) is at the top.
Below this, you will see locations for which
route guidance has already been carried out. X
Enter the city.
The C symbol: the location is contained on
the digital map multiple times. X
To switch to the list: slide the 5 control-
ler. X
Select the location.
If available, the ZIP code is shown. If there are
different ZIP codes available for the location, the corresponding digits are displayed with an
X . X
Enter the street and house number.
The address is in the menu.
Further options for destination entry: R
search for a keyword
The keyword search finds destinations using
fragments of words. R
select the last destination R
select a contact R
select a POI
You can search for a POI by location, name or
telephone number. R
select destination on the map R
enter intermediate destination
You can map the route to the destination
yourself with up to four intermediate destina-
tions. R
select destinations from Mercedes-Benz
Apps R
select geo-coordinates
Calculating the route Prerequisite: the address has been entered and
is in the menu. X
Select Start or Continue .
The route is calculated with the selected route
type and the selected route options.
If route guidance has already been activated,
a prompt will appear asking whether you wish
to end the current route guidance. X
Select Cancel Active Route Guidance or
Set as Intermediate Destination .
Cancel Active Route Guidance cancels
the current route guidance and starts route
calculation to the new destination.
Set as Intermediate Destination adds
the new destination in addition to the existing
destination and opens the intermediate des-
tinations list.
Connecting a mobile phone
Prerequisites
For telephony via the Bluetooth ®
interface, you
require a Bluetooth ®
-capable mobile phone. The
mobile phone must support Hands-Free Profile
1.0 or above.290
Operating system
Multimedia system

Multimedia system: X
Select Vehicle { System Set‐
tings { Activate Bluetooth .X
Activate Bluetooth ®
s .
Mobile phone: X
Activate Bluetooth ®
and, if necessary, Blue-
tooth ®
visibility for other devices (see the
manufacturer's operating instructions).
The Bluetooth ®
device names for all of one man-
ufacturer's products might be identical. To
make it possible to clearly identify your mobile
phone, change the device name (see the man-
ufacturer's operating instructions).
If the mobile phone supports the PBAP ( P hone
B ook A ccess P rofile) and MAP ( M essage
A ccess P rofile) Bluetooth ®
profiles, the follow-
ing information will be transmitted after you
connect: R
Phone book R
Call lists R
Text messages and e-mail
i Further information on suitable mobile
phones can be found at: http://
www.mercedes-benz.com/connect
i In the USA, you can get in touch with the
Mercedes-Benz Customer Assistance Center
on 1-800-FOR-MERCedes (1-800-367-6372).
In Canada, you can get in touch with the Cus-
tomer Relations Center on 1-800-387-0100.
Searching for and authorizing (connect-
ing) a mobile phone Before using your mobile phone with the multi-
media system for the first time, you will need to
search for the phone and then authorize (con-
nect) it. Depending on the mobile phone, author-
ization either takes place by means of Secure
Simple Pairing or by entering a passkey. The
multimedia system automatically makes the
procedure that is relevant for your mobile phone
available. The mobile phone is always connec-
ted automatically after authorization. Further
information on using a mobile phone with the
multimedia system (see the Digital Operator's
Manual).
If the multimedia system does not detect your
mobile phone, this may be due to particular
security settings on your mobile phone (see the
manufacturer's operating instructions). Only one mobile phone can be connected to the
multimedia system at any one time.
Searching for a mobile phone
Multimedia system: X
Select Tel/

tem and for the PBAP and MAP Bluetooth ®
profiles. The prompt to confirm may take up
to two minutes to be displayed (see the man-
ufacturer's operating instructions).
Switching between mobile phones If you have authorized more than one mobile
phone, you can switch between the individual
phones.
Multimedia system: X
Select Connect Device .X
Select a mobile phone from the device list.
Media mode
General notes If you wish to play external media sources, the
default display must already be turned on. Fur-
ther information on media mode (see the Digital
Operator's Manual).
The following external media sources can be
used: R
Apple ®
devices (e.g. iPhone ®
)R
USB devices (e.g. USB stick, MP3 player)
( Y
page 292)R
CD R
DVD (COMAND) R
SD cards R
via devices connected by Bluetooth ®
i Information on single CD/DVD drive or DVD
changer (see the Digital Operator's Manual).
Using the device list Multimedia system: X
Select Media { Devices .
The available media sources will be shown.
The ; dot indicates the current setting.X
Select the media source.
Playable files are played. Inserting/removing an SD card Important safety notes
G WARNING
SD cards are small parts. They can be swal-
lowed and cause choking. This poses an
increased risk of injury or even fatal injury.
Keep the SD card out of the reach of children.
If a SD card is swallowed, seek medical atten-
tion immediately.
! If you are no longer using the SD card, you
should remove it and store it outside the vehi-
cle. High temperatures can damage the card.
Inserting an SD card The SD card slot is on the control panel. X
Insert the SD card into the SD card slot until
the SD card engages. The side with the con-
tacts must face downwards.
Removing an SD card X
Press the SD card.
The SD card is ejected. X
Remove the SD card.
Connecting USB devices
There are two USB ports in the stowage space
under the armrest. X
Connect the USB device to the USB port. X
Select the media source ( Y
page 292).292
Operating system
Multimedia system

DEF
Important safet y notesComply wit h th e important safet y note s fo r ser -
vic e products when handlin g DE F ( Y
page 378).
DE F is a water-soluble flui d fo r th e exhaus t gas
aftertreatmen t of diesel engines. It is:R
no t poisonousR
colorles s and odorlessR
no t flammable
Whe n you ope n th e DE F container, small
amount s of ammonia vapor may be released.
Ammoni a vapor s hav e a pungen t odo r and are
particularly irritatin g to th e skin , to mucous
membrane s and to th e eyes . You may experi-
ence a burning sensation in your eyes , nose and
throat . Coughin g and watering of th e eyes are
possible.
Do no t inhale ammonia vapors. Fil l th e DE F tank
only in well-ventilated areas.
Low outsid e temperaturesDE F freezes at a temperature of approximately
12 ‡ (-11 †). The vehicle is delivered from th e
factory equipped wit h a DE F preheatin g system.
Winte r operation can thus be guaranteed eve n
at temperature s belo w 12 ‡ (-11 †).
Additives
! Only use DE F in accordance wit h IS O
22241. Do no t use additive s wit h DE F and do
no t dilut e DE F wit h water. Thi s may destroy
th e BlueTE C exhaus t gas aftertreatmen t sys -
tem.
Purity
! Impurities in DE F (e.g. due to other servic e
products , cleanin g agents or dust ) lead to :R
increase d emission valuesR
damage to th e catalytic converterR
engin e damageR
malfunction s in th e BlueTE C exhaus t gas
aftertreatmen t syste m
Assurin g th e purit y of DE F is particularly impor -
tant wit h respec t to avoidin g malfunction s in th e
BlueTE C exhaus t gas aftertreatmen t system.
If DE F is pumped out of th e DE F tank , e.g. durin g
repair work, it mus t no t be returned to th e tank . The purit y of th e flui d can no longer be guaran-
teed.
Filling capacities Model Tota l capacity
GLS 350 d 4MATIC
10.2 US gal
(38.7 l)
Engin e oil
General notes
! Never use engin e oil or an oil filte r of a spec-
ification other than is necessary to fulfill th e
prescribed servic e intervals. Do no t chang e
th e engin e oil or oil filte r in order to achiev e
longer replacement intervals than those pre -
scribed. You could otherwise cause engin e
damage or damage to th e exhaus t gas after-
treatment.
Follow th e instruction s in th e servic e interval
display regardin g th e oil change. Otherwise ,
you may damage th e engin e and th e exhaus t
gas aftertreatment.
Whe n handlin g engin e oil, observ e th e important
safet y note s on servic e products ( Y
page 378).
The engin e oils are matched to th e performanc e
of Mercedes-Ben z engines and servic e intervals.
You should therefore only use engin e oils and oil
filters that are approved fo r vehicles wit h main -
tenance systems .
Fo r a list of approved engin e oils and oil filters ,
consult an authorized Mercedes-Ben z Center.
Or visit th e websit e
http://bevo.mercedes-benz.co m.
The table shows which engine oils have been
approved for your vehicle.Service products and filling capacities 381
Technical data Z