2019 MERCEDES-BENZ GLS SUV light

Do not turn off the engine while changing gear
and do not shift the automatic transmission to
another position.
Shift ranges HIGH RANGE LOW RANGE
Position for all normal
on-road driving con-
ditions Off-road gear for driv-
ing off-road, fording
and driving on steep
slopes. Characteristics of the LOW RANGE off-road
gear:
R lower maximum permissible speed: 31 mph
(50 km/h)
R increased tractive power
R the transmission ratio is different by a factor
of approximately three
R increase drive torque
Do not use LOW RANGE in the following situa-
tions:
R when driving on public roads.
R if you have snow chains installed
Switching to the LOW RANGE off-road
gear 0043
LOW RANGE offroad gear button
0044 LOW RANGE offroad gear indicator lamp
The following conditions must be fulfilled: R you are not driving on paved or public roads
R the engine is running
R the transmission is in position 005C
R you are driving at 24 mph (40 km/h) or less X
Press the LOW RANGE off-road gear but-
ton 0043.
Indicator lamp 0044will flash.
While indicator lamp 0044is flashing, you can
cancel the gear change by pressing LOW
RANGE off-road gear button 0043again.
When the gear change is complete, indicator
lamp 0044will light up continuously. The LOW LOW
RANGE on
RANGE on message will appear on the multi-
function display and the status indicator.
i You cannot activate LOW RANGE if the
SPORT drive program is activated. The LOW
LOW
RANGE
RANGE not
notin
indrive
drive program
program SPORT
SPORTmes-
sage then appears on the multifunction dis-
play.
Further information about "Driving off-road"
(Y page 166). You will find information about
driving safety systems in conjunction with
LOW RANGE in the "Safety" section (Y page 66).
Switching to the HIGH RANGE on-road
position The following conditions must be fulfilled:
R the engine is running and you driving at no
more than 31 mph (50 km/h)
R the transmission is in position 005C
X Press the LOW RANGE off-road gear but-
ton 0043.
Indicator lamp 0044flashes.
While indicator lamp 0044is flashing, you can
cancel the gear change by pressing LOW
RANGE off-road gear button 0043again.
When the gear change is complete, indicator
lamp 0044goes out. On the multifunction dis-
play, the LOW LOWRANGE
RANGE Off
Offmessage will appear
and the status indicator will go out. Driving systems
219Driving and parking Z

X
Slide bolt 0083into the hole in the ball coupling
recess and the ball coupling to the stop. X
Secure the bolt using spring cotter 0084.X
Check the ball coupling, bolt and spring cotter
for correct installation.
If the ball coupling cannot be correctly mounted,
remove the ball coupling. Under these circum-
stances, the ball coupling must not be used for
trailer towing.
Have the entire trailer tow hitch checked at a
qualified specialist workshop. Coupling up a trailer
! Do not connect the trailer's brake system (if
featured) to the hydraulic brake system of the towing vehicle, as the latter is equipped with
an anti-lock brake system. Doing so will result
in a loss of function of the brake systems of
both the vehicle and the trailer.
X Shift the transmission to position 005D.
X Apply the vehicle's electric parking brake.
X Start the engine.
X Vehicles with AIRMATIC Package: select
normal level and the Comfortdrive program.
X Switch off the engine.
X Close the doors and tailgate.
X Couple up the trailer.
X Establish the electrical connection between
the vehicle and the trailer.
X Check that the trailer lighting system is work-
ing.
X Push the combination switch upwards/down-
wards and check whether the corresponding
turn signal on the trailer flashes.
A trailer that is connected is recognized only
when the electrical connection is established
correctly and when the lighting system is work-
ing properly. The function of other systems also depends on this, for example:
R ESP ®
R Parking Assist PARKTRONIC
R Active Parking Assist
R Parking Package with rear view camera
R Active Blind Spot Assist
R Active Lane Keeping Assist
i Vehicles with the AIRMATIC Package: if you
couple up a trailer, the vehicle always remains
at normal level. When coupling up a trailer,
please observe the following:
R If the normal level has not been set man-
ually, the vehicle is automatically lowered
to normal level. This is the case if a speed of
5 mph (8 km/h) is reached.
R The Sport drive program is not available.
These restrictions apply to all accessories
powered through a connection to the trailer
power socket of your vehicle, e.g. a bicycle
carrier.
Observe the maximum permissible trailer
dimensions (width and length). 224
Towing a trailerDriving and parking

Most U.S. states and all Canadian provinces
require by law:
R Safety chains between the towing vehicle and
the trailer. The chains should be cross-woundunder the trailer drawbar. They must be fas-
tened to the vehicle's trailer coupling, not to
the bumper or the axle.
Leave enough play in the chains to make tight
cornering possible.
R A separate brake system for certain types of
trailer.
R Safety switch for braked trailers. Check the
specific legal requirements applicable to your
state.
If the trailer becomes detached from the tow-
ing vehicle, the safety feature triggers the
trailer brakes. Towing a trailer
There are numerous legal requirements con-
cerning the towing of a trailer, e.g. speed restric-
tions. Make sure that your car/trailer combina- tion complies with the local regulations:
R in your place of residence
R in the location to which you are driving
The police and local authorities can provide reli-
able information.
Observe the following when towing a trailer:
R To gain driving experience and to become
accustomed to the new handling characteris-
tics, you should practice the following in a
traffic-free location:
- cornering
- stopping
- backing up
R Before driving, check:
- trailer tow hitch
- safety switch for braked trailers
- safety chains
- electrical connections
- lights
- wheels
R Adjust the exterior mirrors to provide an
unobstructed view of the rear section of the
trailer.
R If the trailer has electronically controlled
brakes, pull away carefully. Brake manually using the brake controller and check whether
the brakes function correctly.
R Secure any objects on the trailer to prevent
the cargo from slipping when the vehicle is in
motion.
R When you couple up a trailer, check at regular
intervals that the load is firmly secured. If the trailer is equipped with trailer lights and
brakes, check the trailer to ensure that these
are working.
R Bear in mind that the handling will be less
stable when towing a trailer than when driving
without one. Avoid sudden steering move-
ments.
R The vehicle/trailer combination is heavier,
accelerates more slowly, has a decreased
gradient climbing capability and a longer
braking distance.
It is more susceptible to side winds and
requires more careful steering.
R If possible, do not brake suddenly, but instead
depress the brake pedal moderately at first sothat the trailer can activate its brakes. Then
increase the pressure on the brake pedal.
R If the automatic transmission repeatedly
shifts between gears on uphill or downhill gra-
dients, shift to a lower gear using the left-hand
steering wheel paddle shifter.
A lower gear and lower speed reduce the risk of engine failure.
R When driving downhill, shift to a lower gear to
utilize the engine's braking effect.
Avoid continuous brake application as this
may overheat the vehicle brakes and, if instal- led, the trailer brakes.
R If the coolant temperature increases dramat-
ically while the air-conditioning system is
switched on, switch off the air-conditioning
system.
Coolant heat can also be dissipated by open-
ing the windows and switching the ventilation blower and the interior temperature to the
highest level.
R When overtaking, pay particular attention to
the extended length of your vehicle/trailer
combination.
Due to the length of the vehicle/trailer com-
bination, you require additional road space in
relation to the vehicle you are overtaking
before you can change back to the original
lane. Towing a trailer
225Driving and parking Z

Important safety notes
G
WARNING
If you operate information systems and com-
munication equipment integrated in the vehi- cle when driving, you may be distracted from
the traffic situation. You could also lose con-
trol of the vehicle. There is a risk of an acci-
dent.
Only operate this 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.
You must observe the legal requirements for the country in which you are currently driving whenoperating the on-board computer. G
WARNING
If the instrument cluster has failed or mal-
functioned, you may not recognize function
restrictions in systems relevant to safety. The operating safety of your vehicle may be
impaired. There is a risk of an accident.
Drive on carefully. Have the vehicle checked
at a qualified specialist workshop immedi-
ately.
If the operating safety of your vehicle is
impaired, pull over as soon as it is safe to do so.
Contact a qualified specialist workshop.
The on-board computer only shows messages or warnings from certain systems in the multifunc-tion display. You should therefore make sure
your vehicle is operating safely at all times.
For an overview, see the instrument panel illus-
tration (Y page 37). Displays and operation
Instrument cluster lighting
The lighting in the instrument cluster, in the dis-
plays and the controls in the vehicle interior can be adjusted using the brightness control knob.
The brightness control knob is located on the
bottom left of the instrument cluster
(Y page 37). X
Turn the brightness control knob clockwise or
counter-clockwise.
If you turn the light switch to 0058,0060or
0058, the brightness is dependent upon the
brightness of the ambient light.
i The light sensor in the instrument cluster
automatically controls the brightness of the
multifunction display.
In daylight, the displays in the instrument
cluster are not illuminated. Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
R Cruise control activated (Y page 171):
The segments light up from the stored speed to the maximum speed.
R Active Distance Assist DISTRONIC activated
(Y page 172):
One or two segments in the set speed range
light up.
R Active Distance Assist DISTRONIC detects a
vehicle in front moving more slowly than the
stored speed:
The segments between the speed of the vehi- cle in front and the stored speed light up. Tachometer
! Do not drive in the overrevving range, as this
could damage the engine.
The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protect the
engine when the red band is reached. Outside temperature display
You should pay special attention to road condi-
tions when temperatures are around freezing
point.
Bear in mind that the outside temperature dis-
play indicates the temperature measured and
does not record the road temperature.
The outside temperature display is in the multi-
function display (Y page 232).230
Displays and operationOn-board computer and displays

Settings menu
Introduction Depending on the equipment installed in the
vehicle, In the
Sett. Sett.menu you have the follow-
ing options:
R Changing the instrument cluster settings
(Y page 240)
R Changing the light settings (Y page 240)
R Changing the vehicle settings (Y page 241)
R Changing the convenience settings
(Y page 241)
R Restoring the factory settings (Y page 242)
Instrument cluster submenu Selecting the distance unit
The Display Unit Speedometer / Odome‐ Display Unit Speedometer / Odome‐
ter:
ter: function allows you to choose whether
certain displays appear in kilometers or miles in
the multifunction display.
X Press the 0059or0065 button on the steering
wheel to select the Sett.
Sett. menu.
X Press the 0064or0063 button to select the
Instrument Cluster
Instrument Cluster submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Display Unit Speedometer / Odometer
Display Unit Speedometer / Odometer
function.
You will see the selected setting: km kmormiles
miles.
X Press the 0076button to save the setting.
The selected unit of measurement for distance
applies to:
R Digital speedometer in the Trip
Trip menu
R Odometer and the trip odometer
R Trip computer
R Current consumption and the range
R Navigation instructions in the Navi
Navimenu
R Cruise control
R Active Distance Assist DISTRONIC
R ASSYST PLUS service interval display
Selecting permanent display
The Permanent Display:
Permanent Display: function allows you
to choose whether the multifunction display
always shows the outside temperature or the
speed. The speed display is inverse to the speedome-
ter.
X Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Press the 0064or0063 button to select the
Instrument Cluster
Instrument Cluster submenu.
X Confirm by pressing 0076on the steering
wheel.
X Press the 0064or0063 button to select the
Permanent Display:
Permanent Display: function.
The current setting, Outside Temperature
Outside Temperature,
Speedometer [km/h]
Speedometer [km/h] orSpeedometer
Speedometer
[mph]
[mph] appears.
X To change the setting: press0076again.
Light submenu Setting the daytime running lamps
This function is not available in Canada.
X Press the 0059or0065 button on the steering
wheel to select the Sett.
Sett.menu.
X Press the 0064or0063 button to select the
Light
Light submenu.
X Press 0076to confirm.
X Press 0064or0063 to select the Daytime
Daytime
Running Lights
Running Lights function.
If the Daytime
Daytime Running
RunningLights
Lightsfunction has
been switched on, the cone of light and the
0086 symbol in the multifunction display are
shown in orange.
X Press the 0076button to save the setting.
Further information on daytime running lamps
(Y page 115).
Switching the Intelligent Light System
on/off
X Press the 0059or0065 button on the steering
wheel to select the Sett.
Sett. menu.
X Press the 0064or0063 button to select the
Light Light submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Intell. Light System
Intell. Light System function.
If the Intell. Light System
Intell. Light System function has
been switched on, the cone of light and the
0058 symbol in the multifunction display are
shown in orange.
X Press the 0076button to save the setting.
When you activate Intell. Light System Intell. Light System,
you activate the following functions: 240
Menus and submenusOn-board computer and displays

R
Highway mode
R Active light function
R Cornering light function
R Extended range fog lamps
R Off-road lights
Further information on the Intelligent Light Sys-
tem (Y page 117).
Vehicle submenu Activating/deactivating the automatic
door locking mechanism
If you activate the Automatic AutomaticDoor
Door Lock
Lockfunc-
tion, the vehicle is centrally locked above a
speed of approximately 9 mph (15 km/h).
X Press the 0059or0065 button on the steering
wheel to select the Sett.
Sett. menu.
X Press the 0064or0063 button to select the
Vehicle
Vehicle submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Automatic Door Lock Automatic Door Lock function.
When the Automatic Door Lock
Automatic Door Lock function is
activated, the vehicle doors are displayed in
orange in the multifunction display.
X Press the 0076button to save the setting.
For further information on the automatic locking
feature, see (Y page 84).
Activating/deactivating the acoustic
locking verification signal If you switch on the Acoustic
Acoustic Lock Lockfunction, an
acoustic signal sounds when you lock the vehi-
cle.
X Press the 0059or0065 button on the steering
wheel to select the Settings
Settings menu.
X Press the 0064or0063 button to select the
Vehicle
Vehicle submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Acoustic Lock
Acoustic Lock function.
If the Acoustic Lock
Acoustic Lock function is activated,
the 0037 symbol in the multifunction display
lights up orange.
X Press the 0076button to save the setting. Convenience submenu Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
If somebody becomes trapped:
R press one of the memory function position
buttons, or
R move the switch for steering wheel adjust-
ment in the opposite direction to that in
which the steering wheel is moving.
The adjustment process is stopped.
X Press the 0059or0065 button on the steering
wheel to select the Sett. Sett.menu.
X Press the 0064or0063 button to select the
Convenience
Convenience submenu.
X Press 0076to confirm.
X Using 0064or0063, select the Easy
EasyEntry/
Entry/
Exit
Exit function.
If the Easy
Easy Entry/Exit
Entry/Exit function is activated,
the vehicle steering wheel is displayed in
orange in the multifunction display.
X Press the 0076button to save the setting.
Further information on the EASY-ENTRY/EXIT
feature (Y page 109).
Switching the seat belt adjustment on/off X Press the 0059or0065 button on the steering
wheel to select the Settings
Settings menu.
X Press the 0064or0063 button to select the
Convenience Convenience submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Belt Adjustment
Belt Adjustment function.
If the Belt
Belt Adjustment
Adjustment function is activated,
the vehicle seat belt is shown in orange in the multifunction display.
X Press the 0076button to save the setting. Menus and submenus
241On-board computer and displays Z

For further information on belt adjustment, see
(Y page 48).
Switching the fold-in mirrors when lock-
ing feature on/off
This function is only available when the vehicle is
equipped with the electrical fold-in function.
When you activate the Auto.
Auto. Mirror Mirror Folding
Folding
function, the exterior mirrors are folded in when
the vehicle is locked. The exterior mirrors fold
out automatically again as soon as you unlock
the vehicle.
X Press the 0059or0065 button on the steering
wheel to select the Sett.
Sett. menu.
X Press the 0064or0063 button to select the
Convenience
Convenience submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Auto. Mirror Folding
Auto. Mirror Folding function.
If the Auto. Mirror Folding Auto. Mirror Folding function is
switched on, the multifunction display shows the exterior mirror in orange.
X Press the 0076button to save the setting. If you have switched the
Auto. Mirror Fold‐
Auto. Mirror Fold‐
ing
ing on and you fold the exterior mirrors in using
button 0043, they will not fold out automatically
(Y page 111).
You can then only fold out the exterior mirrors
using button 0043.
Restoring the factory settings X
Press the 0059or0065 button on the steering
wheel to select the Sett.
Sett. menu.
X Press the 0064or0063 button to select the
Factory Setting Factory Setting submenu.
X Press 0076to confirm.
The Reset All Settings?
Reset All Settings? message
appears. X
Press the 0064or0063 button to select No Noor
Yes Yes.
X Press 0076to confirm the selection.
If you select Yes
Yes, the multifunction display
shows a confirmation message.
If you want to reset the Daytime Running
Daytime Running
Lights
Lights function in the Light
Lightsubmenu, you
must turn the SmartKey to position 0047in the
ignition lock. ON&OFFROAD menu
X Press the 0059or0065 button on the steering
wheel to select the ON&OFFROAD
ON&OFFROADmenu.
You can view the current off-road program set-
tings in the ON&OFFROAD
ON&OFFROAD menu:
R Vehicles with the Off-Road Engineering pack-
age (Y page 217)
R Vehicles without the Offroad Engineering
package (Y page 216) AMG menu (Mercedes-AMG vehicles)
Warm-up 0043
Digital speedometer
0044 Gear indicator
0087 Upshift indicator
0085 Engine oil temperature
0083 Coolant temperature
0084 Transmission oil temperature
X Press the 0059or0065 button on the steering
wheel to select the AMG AMGmenu.
Upshift indicator: upshift indicatorUp
Up0087
indicates that the engine has reached the
overrevving range when in the manual drive
program.
Engine/transmission oil temperature:
when the engine and transmission are at nor-
mal operating temperature, oil tempera-
ture 0085and 0084are displayed in white in the
multifunction display. 242
Menus and submenusOn-board computer and displays

Safety systems
Display messages
Possible causes/consequences and
0050
0050Solutions 002500E5
Currently Unavaila‐
Currently Unavaila‐
ble See Operator's ble See Operator's
Manual Manual ABS (Anti-lock Braking System) and ESP
®
(Electronic Stability Pro-
gram) are temporarily not available.
Other driving systems and driving safety systems may also malfunc-
tion.
In addition, the 00E5,00BBand0025 warning lamps light up in the
instrument cluster.
Possible causes are:
R Self-diagnosis is not yet complete
R The on-board voltage may be insufficient
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The steerability and braking characteristics may be severely affected. The braking distance in an emergency braking situation can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned above
are available again.
If the multifunction display still shows the display message:
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 002500E5
Inoperative See Inoperative See
Operator's Manual Operator's Manual ABS and ESP
®
are malfunctioning.
Other driving systems and driving safety systems may also malfunc-
tion.
The 0027 (USA only) or 004D(Canada only), 00E5,00BBand0025
warning lamps in the instrument cluster also light up.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The steerability and braking characteristics may be severely affected. The braking distance in an emergency braking situation can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 246
Display messagesOn-board computer and displays