2018 MERCEDES-BENZ GLS Owners Manual

If you have sent more than one destination
address, each individual destination must be
confirmed separately.
Destination addresses are loaded in the same
order as the order in which they were sent.
If you have multiple Mercedes-Benz vehicles
with mbrace and active mbrace accounts:
If multiple vehicles are registered under the
same e-mail address, the destination will be
sent to all the vehicles.
Vehicle remote opening You can use the vehicle remote unlocking if you
have unintentionally locked your vehicle and a
replacement SmartKey is not available.
The vehicle can then be unlocked by the
Mercedes-Benz Customer Assistance Center.
The vehicle can be immediately unlocked
remotely within four days of the ignition being
turned off. After this time, the remote unlocking
may be delayed by 15 to 60 minutes. After
30 day s, the vehicle can no longer be unlocked
remotely.
The vehicle remote unlocking feature is availa-
ble if the relevant mobile phone network is avail-
able and a data connection is possible. X
Contact the following service hotlines:
Mercedes-Benz Customer Assistance Center
at 1-800 FOR-MERCEDES (1-800-367-6372)
or 1-866-990-9007
You will be asked for your password. X
Return to your vehicle at the time agreed upon
with the Mercedes-Benz Customer Assis-
tance Center.
Alternatively, the vehicle can be opened via: R
the Internet, under the "Owners Online" sec-
tion R
telephone applications (e.g. for iPhone ®
,
Android™)
To do this, you will need your identification num-
ber and password.
Vehicle remote closing
The vehicle remote closing feature can be used
when you have forgotten to lock the vehicle and
you are no longer nearby.
The vehicle can then be locked by the Mercedes-
Benz Customer Assistance Center. The vehicle can be immediately remotely locked
within four days of the ignition being turned off.
After this time, remote closing may be delayed
by 15 to 60 minute s. After 30 days the vehicle
can no longer be locked remotely.
The vehicle remote closing feature is available if
the relevant mobile phone network is available
and a data connection is possible. X
Contact the following service hotlines:
Mercedes-Benz Customer Assistance Center
at 1-800 FOR-MERCEDES (1-800-367-6372)
or 1-866-990-9007
You will be asked for your password.
The next time you are inside the vehicle and you
switch on the ignition, the Doors Locked
Remotely message appears in the multifunction
display.
Alternatively, the vehicle can be locked via: R
the Internet, under the "Owners Online" sec-
tion R
telephone applications (e.g. for iPhone ®
,
Android™)
To do this, you will need your identification num-
ber and password.
Stolen vehicle recovery service If your vehicle has been stolen: X
Notify the police.
The police will issue a numbered incident
report. X
Forward this number to the Mercedes-Benz
Customer Assistance Center along with your
PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The
Mercedes-Benz Customer Assistance Center
contacts you and the local law enforcement
agency if the vehicle is located.
However, only the law enforcement agency is
informed of the location of the vehicle.
If the anti-theft alarm system is activated for
longer than 30 second s, mbrace automatically
notifies the Mercedes-Benz Customer Assis-
tance Center.
Vehicle Health Check
With the Vehicle Health Check, the Customer
Assistance Center can provide improved sup-
port for problems with your vehicle. During an Features 319
Stowage and features Z

existing call, vehicle data is transferred to the
Customer Assistance Center.
The customer service representative can use
the received data to decide what kind of assis-
tance is required. You are then, for example,
guided to the nearest Mercedes-Benz Service
Center or a recovery vehicle is called.
If vehicle data need to be transferred during an
Info call or a Roadside Assistance call, this is
initiated by the Customer Assistance Center.
The Roadside Assistance Connected mes-
sage appears in the display. If the Vehicle Health
Check can be started, the Request for Vehi‐
cle Diagnostics Received Start vehi‐
cle diagnostics? message appears in the
display. X
Press the Yes button to confirm the message.X
If the Vehicle Diagnostics Please
Start Ignition message appears: turn the
SmartKey to key position H in the ignition
lock ( Y
page 140).X
If the Please follow the instructions
received by phone and move your vehi‐
cle to a safe position. message
appears: please follow the instructions
received by phone and move your vehicle to a
safe position.
The message in the display disappears.
The vehicle operating state check begins.
During this procedure, you will see the Vehi‐
cle Diagnostics Active message.
If you select Cancel
, the Vehicle Health
Check is canceled completely.
When the check is complete, the Sending
vehicle diagnostics data. (Voice con‐
nection may be interrupted during
data transfer) message appears. The vehicle
data can now be sent. X
Press the OK button to confirm the message.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐
ring Data... message appears.
The vehicle data is sent to the Customer
Assistance Center.
Depending on what the customer service rep-
resentative agreed with you, the voice connec-
tion is re-established after the transfer is com-
plete. If necessary, you will be contacted at a
later time by another means, e.g. by e-mail or
phone. Another function of the Vehicle Health Check is
the transfer of service data to the Customer
Assistance Center. If a service is due, the display
shows a message to this effect together with
information about any special offers at your
workshop.
This information can also be called up under
"Owners Online" at http://www.mbusa.com .
Information on the data stored in the vehicle
( Y
page 32).
Information on Roadside Assistance
( Y
page 29).
Downloading routes Downloading routes allows you to transfer and
save predefined routes in the navigation sys-
tem.
A route can be prepared and sent either by a
customer service representative or under "Own-
ers Online" at http://www.mbusa.com .
Each route can include up to four way points.
Once a route has been received by the naviga-
tion system, you will see the Do you want to
start route guidance? Destination
Received destination has been saved
in "Previous destinations". message on
the multimedia system display.
The route is saved. X
To start route guidance: select Yes .
An overview of the route is shown in the dis-
play.
If you select No , the saved route can be called
up later in the navigation menu. X
Select Start .
Route guidance starts.
Downloaded and saved routes can be called up
again.
Speed alert You can define the upper speed limit, which
must not be exceeded by the vehicle.
If the vehicle exceeds the set speed, a message
is sent to the Customer Assistance Center. The
Customer Assistance Center then forwards this
information to you.
You can select the way in which you receive this
information beforehand. Possible options
include text message, e-mail or an automated
call.320
Features
Stowage and features

The data you receive contains the following
information: R
the location where the speed limit was excee-
ded R
the time at which the speed limit was excee-
ded R
the selected speed limit which was exceeded
Geo fencing Geo fencing allows you to select areas which the
vehicle should not enter or leave. You will be
informed if the vehicle crosses the boundaries
of the selected areas. You can select the way in
which you receive this information beforehand.
Possible options include text message, e-mail or
an automated call.
The area can be determined as either a circle or
a polygon with a maximum of ten corners. You
can specify up to ten areas simultaneously. Dif-
ferent settings are possible for each area.
These settings can be called up under "Owners
Online" at http://www.mbusa.com.
Alternatively, you can also trigger an Info call
and notify the customer service representative
that you wish to activate geo-fencing.
Currently inactive areas can be activated by text
message.
Triggering the vehicle alarm With this function, you can trigger the vehicle's
panic alarm via text message. An alarm sounds
and the exterior lighting flashes. Depending on
the setting, the panic alarm lasts five or ten sec-
onds. Afterwards, the alarm switches off.
Garage door opener
General notes The HomeLink ®
garage door opener integrated
in the rear-view mirror allows you to operate up
to three different door and gate systems.
Use the integrated garage door opener only on
garage doors that: R
have safety stop and reverse features and R
meet current U.S. federal safety standards
Once programed, the integrated garage door
opener in the rear-view mirror will assume the
function of the garage door system's remote control. Please also read the operating instruc-
tions for the garage door system.
When programming a garage door opener, park
the vehicle outside the garage. Do not run the
engine while programming.
Certain garage door drives are incompatible
with the integrated garage door opener. If you
have difficulty programing the integrated garage
door opener, contact a Mercedes-Benz Service
Center.
Alternatively, you can call the following tele-
phone assistance services: R
USA: Mercedes-Benz Customer Assistance
Center at 1-800 FOR-MERCEDES R
Canada: Customer Service at
1-800-387-0100 R
HomeLink ®
hotline 1-800-355-3515 (free of
charge)
More information on HomeLink ®
and/or com-
patible products is also available online at
http://www.homelink.com.
Notes on the declaration of conformity
( Y
page 30).
USA: FCC ID: CB2HMIHL4
Canada: IC: 279B-HMIHL4
Important safety notes
G WARNING
When you operate or program the garage door
with the integrated garage door opener, per-
sons in the range of movement of the garage
door can become trapped or struck by the
garage door. There is a risk of injury.
When using the integrated garage door
opener, always make sure that nobody is
within the range of movement of the garage
door.
G WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation. Features 321
Stowage and features Z

Programming Programming the buttons Pay attention to the "Important safety notes"
( Y
page 321).
Garage door remote control

with Canadian law, some U.S. garage door open-
ers also feature a "break".
Proceed as follows: R
if you live in Canada. R
if you have difficulties programming the
garage door opener (regardless of where you
live) when following the programming steps. X
Press and hold one of buttons D to

Clearing the memory Make sure that you clear the memory of the
integrated garage door opener before selling the
vehicle. X
Turn the SmartKey to position H in the igni-
tion lock ( Y
page 140).X
Press and hold buttons D and

Engine compartment
Hood
Important safety notes
G WARNING
If the hood is unlatched, it may open up when
the vehicle is in motion and block your view.
There is a risk of an accident.
Never unlatch the hood while driving. Before
every trip, ensure that the hood is locked.
G WARNING
When opening and closing the hood, it may
suddenly fall into the closed position. There is
a risk of injury to persons within range of
movement of the hood.
Open and close the hood only when no one is
within its range of movement.
G WARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
G WARNING
The engine compartment contains moving
components. Certain components, such as
the radiator fan, may continue to run or start
again suddenly when the ignition is off. There
is a risk of injury.
If you need to do any work inside the engine
compartment: R
switch off the ignition R
never reach into the area where there is a
risk of danger from moving components,
such as the fan rotation area R
remove jewelry and watches R
keep items of clothing and hair, for exam-
ple, away from moving parts
G WARNING
The ignition system and the fuel injection sys-
tem work under high voltage. If you touch
components which are under voltage, you
could get an electric shock. There is a risk of
injury.
Never touch components of the ignition sys-
tem or fuel injection system when the ignition
is switched on.
Electrically live components include ignition
coils, spark plug connectors and the test socket.
Opening the hood
G WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G WARNING
When the hood is open and the windshield
wipers are set in motion, you can be injured by
the wiper linkage. There is a risk of injury.
Always switch off the windshield wipers and
the ignition before opening the hood.
! Make sure that the windshield wipers are
not folded away from the windshield. You
could otherwise damage the windshield wip-
ers or the hood.Engine compartment 325
Maintenance and care Z

X
Make sure that the windshield wipers are
turned off. X
Pull release lever C on the hood.
The hood is released.
X
Reach into the gap, pull hood catch handle D
up and lift the hood.
If you lift the hood by approximately 15 in
(40 cm), the hood is opened and held open
automatically by the gas-filled strut.
Closing the hood X
Lower the hood and let it fall from a height of
approximately 8 in (20 cm). X
Check that the hood has engaged properly.
If the hood can be raised slightly, it is not
properly engaged. Open it again and close it
with a little more force.
Radiator
Vehicles with a diesel engine: do not cover
the radiator. such as with a thermal mat or
insect protection cover. Otherwise, the values of
the European on-board diagnostics may be
affected. Some of these readings are required
by law and must be accurate at all times. Engine oil
Important safety notes
G WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G WARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
G WARNING
If engine oil comes into contact with hot com-
ponents in the engine compartment, it may
ignite. There is a risk of fire and injury.
Make sure that engine oil is not spilled next to
the filler neck. Let the engine cool down and
thoroughly clean the engine oil off the com-
ponents before starting the engine.
General notes Depending on your driving style, the vehicle
consumes up to 0.9 US qt (0.8 liters) of oil per
600 miles (1,000 km). The oil consumption may
be higher than this when the vehicle is new or if
you frequently drive at high engine speeds.
Depending on the engine, the oil dipstick may be
in a different location.326
Engine compartment
Maintenance and care