lock MERCEDES-BENZ GLS 2019 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 days, 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
Doors Locked
Remotely 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 an314
FeaturesStowage and features

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 Roadside Assistance Connected mes-
sage appears in the display. If the Vehicle Health
Check can be started, the Request
Request for
forVehi‐
Vehi‐
cle Diagnostics Received Start vehi‐
cle Diagnostics Received Start vehi‐
cle diagnostics? cle diagnostics? message appears in the
display.
X Press the Yes
Yes button to confirm the message.
X If the Vehicle Diagnostics Please
Vehicle Diagnostics Please
Start Ignition
Start Ignition message appears: turn the
SmartKey to key position 0048in the ignition
lock (Y page 140).
X If the Please follow the instructions
Please follow the instructions
received
received by
by phone
phone and
andmove
move your
yourvehi‐
vehi‐
cle to a safe position.
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‐ Vehi‐
cle Diagnostics Active
cle Diagnostics Active message.
If you select Cancel
Cancel, the Vehicle Health
Check is canceled completely.
When the check is complete, the Sending
Sending
vehicle diagnostics data. (Voice con‐
vehicle diagnostics data. (Voice con‐
nection may be interrupted during
nection may be interrupted during
data data transfer)
transfer) message appears. The vehicle
data can now be sent.
X Press the OK
OKbutton to confirm the message.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐ Vehicle Diagnostics: Transfer‐
ring Data...
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 Doyou
you want
want to
to
start route guidance? Destination
start route guidance? Destination
Received destination has been saved Received destination has been saved
in "Previous destinations".
in "Previous destinations". message on
the multimedia system display.
The route is saved.
X To start route guidance: selectYes Yes.
An overview of the route is shown in the dis-
play.
If you select No No, the saved route can be called
up later in the navigation menu.
X Select Start
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. Features
315Stowage and features Z

Programming
Programming the buttons
Pay attention to the "Important safety notes"
(Y page 316). Garage door remote control
0083is not included
with the integrated garage door opener.
X Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X Select one of buttons 0044to0085 to use to con-
trol the garage door drive.
X To start programming mode: press and
hold one of buttons 0044to0085 on the integrated
garage door opener.
The garage door opener is now in program-
ming mode. After a short time, indicator
lamp 0043lights up yellow.
Indicator lamp 0043lights up yellow as soon as
button 0044,0087or0085 is stored for the first time.
If the selected button has already been pro-
gramed, indicator lamp 0043will only light up
yellow after ten seconds have elapsed.
X Release button 0044,0087or0085. Indicator
lamp 0043flashes yellow.
X To program the remote control: point
garage door remote control 0083towards but-
tons 0044to0085 on the rear-view mirror at a dis-
tance of 2 to 8 in (5 to 20 cm).
X Press and hold button 0084on remote control
0083 until indicator lamp 0043lights up green.
When indicator lamp 0043lights up green: pro-
gramming is finished.
When indicator lamp 0043flashes green: pro-
gramming was successful. The next step is to synchronize the rolling code (Y page 317).
X Release button 0084on remote control 0083for
the garage door drive system.
If indicator lamp 0043lights up red: repeat the
programming procedure for the correspond-
ing button on the rear-view mirror. When doing so, vary the distance between remote
control
0083and the rear-view mirror.
The required distance between remote con-
trol 0083and the integrated garage door opener
depends on the garage door drive system.
Several attempts might be necessary. You
should test every position for at least
25 seconds before trying another position.
Synchronizing the rolling code
Pay attention to the "Important safety notes"
(Y page 316).
If the garage door system uses a rolling code,
you will also have to synchronize the garage
door system with the integrated garage door
opener in the rear-view mirror. To do this you will
need to use the programming button on the door
drive control panel. The programming button
may be located in different places depending on the manufacturer. It is usually located on the
door drive unit on the garage ceiling.
Familiarize yourself with the garage door drive
operating instructions, e.g. under "Program-
ming additional remote controls", before carry-
ing out the following steps.
Your vehicle must be within reach of the garage
door or gate opener drive. Make sure that nei-
ther your vehicle nor any persons/objects are
present within the sweep of the door or gate.
X Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X Get out of the vehicle.
X Press the programming button on the door
drive unit.
You now have 30 seconds to initiate the next
step.
X Get into the vehicle.
X Press previously programed button 0044,0087
or 0085 on the integrated garage door opener
repeatedly until the door closes.
The rolling code synchronization is then com- plete.
Notes on programming the remote con-
trol
Canadian radio frequency laws require a "break" (or interruption) of the transmission signals
after broadcasting for a few seconds. Therefore,
these signals may not last long enough for the
integrated garage door opener. The signal is not recognized during programming. Comparable Features
317Stowage and features Z

Opening/closing the garage door
After it has been programmed, the integrated
garage door opener performs the function of the
garage door system remote control. Please also
read the operating instructions for the garage
door system.
X Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X Press either button 0044,0087or0085 which you
have programmed to operate the garage
door.
Garage door system with a fixed code: indi-
cator lamp 0043lights up green.
Garage door system with a rolling code: indi-
cator lamp 0043flashes green.
The transmitter will transmit a signal as long
as the button is pressed. The transmission is
halted after a maximum of ten seconds and
indicator lamp 0043lights up yellow.
X Press button 0044,0087or0085 again if necessary.
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 0048in the igni-
tion lock (Y page 140).
X Press and hold buttons 0044and 0085.
Indicator lamp 0043initially lights up yellow and
then green.
X Release buttons 0044and 0085.
The memory of the integrated garage door
opener in the rear-view mirror is cleared. Floormats
G
WARNING
Objects in the driver's footwell can restrict the pedal travel or obstruct a depressed pedal.
The operating and road safety of the vehicle is
jeopardized. There is a risk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use loose floormats and do not place floormats on
top of one another. X
Driver's seat/front-passenger seat: slide
the respective seat back.
X Rear seats: slide the corresponding front
seat forwards.
X To install: place the floormat in the footwell.
X Press studs 0043onto retainers 0044.
X To remove: pull the floormat from retain-
ers 0044.
X Remove the floormat. Features
319Stowage and features Z

Infrared reflective windshield
The infrared reflecting glass prevents the vehi-
cle interior from becoming too hot. It also blocks
radio waves up into the gigahertz range.
To enable operation of radio-controlled equip-
ment, e.g. toll recording systems, areas on the
windshield are permeable to radio waves 0043. In
these areas, you can install radio-controlled sys-
tems.
These areas can best be seen from outside the
vehicle by observing the light reflected off the
windshield. 320
FeaturesStowage and featu
res

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. To ensure the flow of fresh air through the air
vents into the vehicle interior, please observe
the following notes (Y page 136):
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
321Maintenance and care Z

When checking the oil level:
R
park the vehicle on a level surface.
R the engine should be switched off for approx-
imately five minutes if the engine is at normal
operating temperature.
R if the engine is not at normal operating tem-
perature, e.g. if the engine was only started
briefly, wait about 30 minutes before carrying
out the measurement.
Checking the engine oil level using the
oil dipstick Example: vehicles with a gasoline engine
X Pull out oil dipstick 0043.
X Wipe off oil dipstick 0043.
X Slide oil dipstick 0043into the dipstick guide
tube as far as it will go and take it out again.
If the level is between MIN mark 0087and MAX
mark 0044, the engine oil level is correct.
X If the engine oil level has dropped to MIN mark
0087 or below, add 1.1 US qt (1.0 liter) of engine
oil.
Adding engine oil H
Environmental note
When adding oil, take care not to spill any. If
oil enters the soil or waterways, it is harmful to the environment.
! Use only engine oils and oil filters that are
approved for vehicles with a service system. A list of the engine oils and oil filters that have
been tested and approved in accordance with
Mercedes-Benz Specifications for Service
Products is available at any authorized
Mercedes-Benz Center. The following cause engine failure or damage
to the exhaust system:
R Use of engine oils and oil filters that have
not been expressly approved for the service
system
R Replacement of engine oil and oil filter after
the replacement interval specified by the
service system has expired
R Use of engine oil additives
! Do not add too much oil. adding too much
engine oil can result in damage to the engine or to the catalytic converter. Have excess
engine oil siphoned off. Example: engine oil cap
X Turn cap 0043counter-clockwise and remove it.
X Add engine oil.
If the oil level is at or below the MIN mark on
the oil dipstick, add 1.1 US qt (1.0 liter) of
engine oil.
X Replace cap 0043on the filler neck and tighten
clockwise.
Ensure that the cap locks into place securely.
X Check the oil level again with the oil dipstick
(Y page 323).
Further information on engine oil (Y page 386). Additional service products
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. Engine compartment
323Maintenance and care
Z

Where possible, let the engine cool down and
touch only the components described in the
following. G
WARNING
The cooling system is pressurized, particularly when the motor is warm. If you open the cap, you could be scalded if hot coolant sprays out.
There is a risk of injury.
Let the engine cool down before you open the
cap. Wear protective gloves and protective
eyewear when opening. Open the cap slowly
to release pressure.
The coolant level may only be checked and cool- ant refilled when the engine and engine coolingsystem have cooled down. G
WARNING
Windshield washer concentrate is highly flam- mable. If windshield washer concentrate getsonto hot components of the engine or the
exhaust system, it can ignite. There is a risk of
fire and injury.
Make sure that windshield washer concen-
trate is not spilled in the vicinity of the filler
neck.
Checking coolant level X
Park the vehicle on a level surface.
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
X Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Y page 142).X
Check the coolant temperature gauge in the
multifunction display.
The coolant temperature must be below
158 ‡ (70 †).
X Turn the SmartKey to position in the ignition
lock 0092(Ypage 140).
X On vehicles with KEYLESS-GO, press the
Start/Stop button (Y page 142).
X Press the Start/Stop button (Y page 142).
X Slowly turn cap 0043half a turn counter-clock-
wise and allow excess pressure to escape.
X Turn cap 0043further counter-clockwise and
remove it.
If the coolant is at the level of marker bar 0087
in the filler neck when cold, there is enough
coolant in coolant expansion tank 0044.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar 0087in the filler neck
when warm, there is enough coolant in expan- sion tank 0044.
X If necessary, add coolant that has been tested
and approved by Mercedes-Benz.
X Replace cap 0043and turn it clockwise as far as
it will go.
For further information on coolant, see
(Y page 387).
Adding washer fluid to the windshield
washer system Example: washer fluid reservoir
X To open: pull cap0043upwards by the tab.
X Add the premixed washer fluid.
X To close: press cap 0043onto the filler neck
until it engages.
If the washer fluid level drops below the recom- mended minimum of 1 liter, a message appears in the multifunction display prompting you to
add washer fluid (Y page 273).324
Engine compartmentMaintenance and care

Driving abroad
An extensive Mercedes-Benz Service network is
also available in other countries. You can obtain further information from any authorized
Mercedes-Benz Center. Care
General notes
H
Environmental note
Dispose of empty packaging and cleaning
cloths in an environmentally responsible man- ner.
! When cleaning your car, do not use:
R dry, coarse or hard cloths
R abrasive cleaning agents
R solvents
R cleaning agents containing solvents
Do not scrub.
Do not touch the surfaces and films with hard
objects, e.g. rings or ice scrapers. Otherwise,
you may scratch or damage the surfaces and films.
! Do not park your vehicle for a long period of
time directly after cleaning, particularly after
cleaning the wheel rim with wheel cleaner.
Wheel cleaner can lead to the increased cor-
rosion of the brake discs and pads. Therefore,
drive for a few minutes after cleaning. By
heating up the brakes, the brake discs and
pads dry. The vehicle can then be parked for a long period of time.
Regular care of your vehicle is a condition for
retaining the quality in the long term.
Use care products and cleaning agents recom-
mended and approved by Mercedes-Benz. Washing the vehicle and cleaning the
paintwork
Automatic car wash G
WARNING
Braking efficiency is reduced after washing
the vehicle. There is a risk of an accident. After the vehicle has been washed, brake
carefully while paying attention to the traffic
conditions until full braking power is restored.
! Before driving into an automatic car wash,
make sure that it is suitable for the dimen-
sions of the vehicle. In particular, make sure
that:
R there is enough ground clearance between
the vehicle underbody and the guide rails of the automatic car wash.
R the clearance width of the automatic car
wash is sufficient, particularly the width of
the guide rails.
R you enter the automatic car wash straight
and in the center of the guide rails in order
to avoid damaging the tires or wheel rims.
Fold in the exterior mirrors before the vehicle
is washed. The exterior mirrors could other-
wise be damaged.
! When Active Distance Assist DISTRONIC or
the HOLD function is activated, the vehicle
brakes automatically in certain situations.
To avoid damage to the vehicle, deactivate
Active Distance Assist DISTRONIC and the
HOLD function in the following or similar sit-
uations:
R when towing the vehicle
R in the car wash
! Never clean your vehicle in a Touchless
Automatic Car Wash as these use special
cleaning agents. These cleaning agents can
damage the paintwork or plastic parts.
! Make sure that:
R the side windows and the sliding sunroof
are fully closed.
R that the blower of the ventilation/heating
system is switched off (OFF button has
been pressed).
R the windshield wiper switch is at position
005A.
The vehicle may otherwise be damaged.
! In car washes with a towing mechanism,
make sure that the automatic transmission is
in transmission position 005C; otherwise, the
vehicle could be damaged.
R Vehicles with a SmartKey:
Do not remove the SmartKey from the igni-
tion lock. Do not open the driver's door or 326
CareMaintenance and care

front-passenger door when the engine is
switched off. Otherwise, the automatic
transmission selects park position
005Dauto-
matically and locks the wheels. You can
prevent this by shifting the automatic trans- mission to 005Cbeforehand.
R Vehicles with KEYLESS-GO:
Do not open the driver's door or front-
passenger door when the engine is
switched off. Otherwise, the automatic
transmission selects park position 005Dauto-
matically and locks the wheels.
Observe the following to make sure that the
automatic transmission stays in position 005C:
X Make sure the vehicle is stationary and the
ignition is switched off.
X Turn the SmartKey to position in the ignition
lock 0048(Ypage 140).
Use the SmartKey instead of the Start/Stop
button on vehicles with KEYLESS-GO.
X Depress and hold the brake pedal.
X Shift the automatic transmission to position
005C.
X Release the brake pedal.
X Release the electric parking brake.
X Switch off the ignition and leave the SmartKey
in the ignition lock.
You can wash the vehicle in an automatic car
wash from the very start.
If the vehicle is very dirty, pre-wash it before
cleaning it in an automatic car wash.
After using an automatic car wash, wipe off wax from the windshield and the wiper blades. This
will prevent smears and reduce wiping noises
caused by residue on the windshield.
Washing by hand In some countries, washing by hand is only
allowed at specially equipped washing bays.
Observe the legal requirements in all countries
concerned.
X Do not use hot water and do not wash the
vehicle in direct sunlight.
X Use a soft sponge to clean.
X Use a mild cleaning agent, such as a car
shampoo approved by Mercedes-Benz.
X Thoroughly hose down the vehicle with a gen-
tle jet of water.
X Do not point the water jet directly towards the
air inlets. X
Use plenty of water and rinse out the sponge
frequently.
X Rinse the vehicle with clean water and dry
thoroughly with a chamois.
X Do not let the cleaning agent dry on the paint-
work.
When using the vehicle in winter, remove all
traces of road salt deposits carefully and as
soon as possible.
Power washers G
WARNING
The water jet from a circular jet nozzle (dirt
blasters) can cause invisible exterior damage to the tires or chassis components. Compo-
nents damaged in this way may fail unexpect-edly. There is a risk of an accident.
Do not use power washers with circular jet
nozzles to clean the vehicle. Have damaged
tires or chassis components replaced imme-
diately.
! Always maintain a distance of at least 12 in
(30 cm) between the vehicle and the power
washer nozzle. Information about the correct
distance is available from the equipment
manufacturer.
Move the power washer nozzle around when
cleaning your vehicle.
Do not aim directly at any of the following:
R Tires
R Door gaps, roof gaps, joints, etc.
R Electrical components
R Battery
R Plug-type couplings
R Light bulbs
R Seals
R Trim elements
R Ventilation slots
Damaged seals or electrical components can
lead to leaks or failures.
! Vehicles with decorative film: parts of your
vehicle are covered with decorative film.
Maintain a distance of at least 27.5 in (70 cm)
between the film-covered parts of the vehicle and the nozzle of the power washer.
Information about the correct distance is
available from the equipment manufacturer. Care
327Maintenance and care Z