MERCEDES-BENZ GLS 2023 Owners Manual

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tems and your responsibility; you may otherwise
fail to recognize dangers (  page 211).
Active TraPc Jam Assist activates automatically as
soon as all of the requirements are met: The

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keep to the target speed. Select a target speed
suitable for the environmental conditions and also
apply the brakes yourself if required.
Switching DSR on/oM (with OMroad package or E-
Active Body Control)
Requirements: = You are driving at 24 mph (40 km/h) or
slower.
If the current vehicle speed is too high, the
Max. Speed 24 mph message appears in the
multifunction display.
= You have not selected drive program C or
B .
= Active Distance Assist DISTRONIC is deactiva-
ted.To activate: pull rocker switch 1.
Indicator lamp 2 lights up.
The î symbol appears in the multifunction
display.To deactivate: pull rocker switch 1.
Indicator lamp 2 and the î symbol go
out.Switch DSR on/oM (without OMroad package or E-
Active Body Control
Requirements: = You are driving at 24.8 mph (40 km/h) or
slower.
If the current vehicle speed is too high, the
Max. Speed 24 mph message appears in the
multifunction display.
= Active Distance Assist DISTRONIC is deactiva-
ted.
Multimedia system: 4 © 5
Settings
5 Schnellzugriff (Quick access)select î DSR .
The î DSR symbol appears in the multi-
function display when the function is activa-
ted.\bWhen you switch to the G drive program,
the function is automatically activated.230Driving and parking

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Changing the target speedTo increase/reduce the target speed: press
rocker switch 1 up M or down N to
the point of resistance.
The selected target speed increases or
decreases by 1 mph (1 km/h) and appears along with the î symbol in the multifunc-
tion display.Active Steering Assist
Function of Active Steering Assist
Active Steering Assist is only available up to a
speed of 130 mph (210 km/h). The system helps you to stay in the center of the lane by means ofmoderate steering interventions. Depending on
the speed driven, Active Steering Assist uses the vehicles ahead and lane markings as a reference.
\bDepending on the country, in the lower speedrange Active Steering Assist can use the sur-
rounding traPc as a reference. If necessary,
Active Steering Assist can then also provide assistance when driving outside the center of
the lane, forexample, to form a rescue lane.
If the detection of lane markings and vehicles
ahead is impaired, Active Steering Assist switches to passive mode. The system provides no support
in this case.
Status display of Active Steering Assist in the Instrument Display = Ø (gray): activated and passive
= Ø (green): activated and active
= Ø (red): system limits detected
=
Ø (white, red hands): "hands on the steer-
ing wheel" prompt\bDuring the transition from active to passive
status, the Ø symbol is shown as enlarged
and Oashing. Once the system is passive, the
Ø symbol is shown as gray in the Instru-
ment Display.\bDepending on the selected vehicle settings,
Active Steering Assist may be unavailable.
Steering and touch detection
The driver is required to keep their hands on the steering wheel at all times and be able to inter-
vene at any time to correct the course of the vehi-
cle and keep it in lane. The driver must expect a change from active to passive mode or vice versa at any time.
Driving and parking231

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If the system detects that the driver has not
steered the vehicle for a considerable period of time or has removed their hands from the steeringwheel, display 1 appears. If the driver still does
not steer the vehicle, a warning tone sounds in
addition to the visual warning message.
If the driver does not react to the warning for a
considerable period, the system can initiate an
emergency stop (  page 233).
The warning is not issued or is stopped when the driver gives conNrmation to the system:
= The driver steers the vehicle.
=Depending on the country: the driver presses
a steering wheel button or operates Touch Control
If Active Steering Assist detects that a system limit has been reached, a visual warning is issuedand a warning tone sounds.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize dangers (  page 211).
System limits
Active Steering Assist has a limited steering tor-
que for lateral guidance. In some cases, the steer-
ing intervention is not suPcient to keep the vehi-
cle in the lane or to drive through exits.
The system may be impaired or may not function
in the following instances:
= There is poor visibility, e.g. due to snow, rain,
fog, heavy spray, greatly varying ambient light
or strong shadows on the road.
= There is glare, e.g. from oncoming traPc,
direct sunlight or reOections.
= *nsuPcient road illumination.=
The windshield is dirty, fogged up, damaged or
covered in the vicinity of the camera, e.g. by a
sticker.
= No, or several, unclear lane markings are pres-
ent for one lane, or the markings change
quickly, forexample, in a construction area or intersections.
= The lane markings are worn away, dark or cov-
ered up, e.g. by dirt or snow.
= If the distance to the vehicle in front is too
short and thus the lane markings cannot be detected.
= The road is narrow and winding.
= There are obstacles on the lane or projecting
out into the lane, suchas object markers.
The system does not provide assistance in the fol-
lowing conditions:
= On tight bends and when turning.
= When crossing intersections.
= At traPc circles or toll stations.
= When towing a trailer.
= When the tire pressure is too low.232Driving and parking

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=Vehicles with E-ACTIVE BODY CONTROL: in
driving program 1 and in inclination level 2
and 3&WARNING Risk of accident if Active Steer-
ing Assist unexpectedly stops functioning
If the system limits of Active Steering Assist
are reached there is no guarantee that the system will remain active or will keep the vehi-cle in lane.
Always keep your hands on the steering
wheel and observe the traPc carefully.Always steer the vehicle paying attention
to traPc conditions.&WARNING Risk of accident if Active Steer-
ing Assist unexpectedly intervenes
The detection of lane markings and objects
may malfunction and cause unexpected steer-
ing interventions.
Steer according to traPc conditions.Activating/deactivating Active Steering Assist
Requirements: = ESP n
is activated, but is not intervening.
= Active Distance Assist DISTRONIC is activa-
ted.
Multimedia system: 4 © 5
Settings 5
Quick AccessSelect O Steering Assist .
Function of Active Emergency Stop Assist
If the system detects that the driver has not
steered the vehicle for a considerable period of
time or has removed their hands from the steering wheel, display 1 appears in the Instrument Dis-
play. If the driver still does not steer the vehicle,
or gives no conNrmation to the system, a warning
tone sounds in addition to the visual warning mes-
sage.
If the driver still does not respond to the warning, the Beginning Emergency Stop message appears
in the Instrument Display. If the driver still does not respond, Active Distance Assist DISTRONICreduces the speed. The vehicle is decelerated in
stages to a standstill.
Depending on the country, at speeds below
40 mph (60 km/h) the hazard warning lights
switch on automatically.
When the vehicle is stationary, the following actions are carried out:
= The vehicle is secured with the electric park-
ing brake.
= Active Distance Assist DISTRONIC is ended.
= The vehicle is unlocked.
= If possible, an emergency call is placed to the
Mercedes-Benz emergency call center.Driving and parking233

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The driver can cancel the deceleration at any time
by performing one of the following actions:
= Steering
= Braking or accelerating
= Deactivating Active Distance Assist
DISTRONIC
Active Lane Change Assist
Function of Active Lane Change Assist
Active Lane Change Assist supports the driver during lane changes by applying steering torque if
the driver activates a turn signal indicator.
Observe the notes on driving systems and yourresponsibility; you may otherwise fail to recognizedangers (  page 211).
Assistance during lane changes is provided if all the following conditions are met:
= You are driving on a freeway or road with mul-
tiple lanes in the direction of travel.
= The neighboring lane is separated by a broken
lane marking.
= No vehicle is detected in the adjacent lane.
=The vehicle speed is between 50 mph
(80 km/h) and 110 mph (180 km/h).
= Active Lane Change Assist is switched on in
the multimedia system.
= Active Steering Assist is activated and active.
If no vehicle is detected in the adjacent lane and a
lane change is permitted, the lane change begins aser the driver has activated the turn signal indi-
cator. This is shown to the driver with a green
arrow next to the

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&WARNING Risk of accident if Lane Change
Assist unexpectedly stops functioning
If the system limitations for Lane Change
Assist have been reached, there is no guaran-
tee that the system will remain active.
Lane Change Assist cannot then assist you by
applying steering torque.
Always monitor the lane change and
keep your hands on the steering wheel. Observe the traPc conditions and steer
and/or brake if necessary.
System limits
The system limitations of Active Steering Assist
apply to Active Lane Change Assist (  page 231).
The system may also be impaired or may not func-
tion in the following situations:
= The sensors in the rear bumper are dirty, dam-
aged or covered by a sticker or ice and snow, forexample.
= The exterior lighting shows a defect.
\bThe Active Lane Change Assist sensors adjust
automatically while a certain distance is being
driven aser the vehicle has been delivered.
Active Lane Change Assist is unavailable or
available only partially during this teach-in
process; no arrow appears next to the Ø
Active Steering Assist symbol when the turn signal indicator is activated.
Selecting Active Lane Change Assist
Multimedia system:
4 © 5
Settings 5
Assistance
5 Active Lane Change Assist
Select the function.
Active Brake Assist
Function of Active Brake Assist
Active Brake Assist consists of the following func-
tions:
= Distance warning function
= Autonomous braking function
= Situation-dependent braking assistance
=Vehicles with Driving Assistance Package: Eva-
sive Steering Assist and cornering function
Active Brake Assist can help you to minimize the risk of a collision with vehicles, cyclists or pedes-trians or to reduce the eMects of such a collision.
If Active Brake Assist has detected a risk of colli- sion, a warning tone will sound and the / dis-
tance warning lamp will light up on the instrument cluster.
Vehicles with PRE-SAFE n
: depending on the coun-
try, an additional haptic warning will occur in the form of slight, repeated tensioning of the seatbelt.
If you do not react to the warning, autonomous
braking can be initiated in critical situations.
In especially critical situations, Active Brake Assist
can initiate autonomous braking directly. In this
case, the warning lamp and warning tone will occur at the same time as the braking.
If you apply the brake yourself in a critical situa-
tion or apply the brake during autonomous brak-
ing, situation-dependent braking assistance willDriving and parking235

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occur. The brake pressure will increase up to max-
imum full-stop braking if necessary.
Observe the notes on driving systems and your responsibility; you may otherwise fail to recognizedangers (  page 211).
If autonomous braking or situation-dependent
braking assistance has occurred, indicator 1 will
appear on the instrument display and then auto-
matically go out aser a short time.
If the autonomous braking function or situation- dependent braking assistance is triggered, addi-
tional preventive measures for occupant protec-
tion (PRE-SAFE n
) may also be initiated.
&WARNING Risk of an accident caused by
limited detection performance of Active
Brake Assist
Active Brake Assist cannot always clearly iden-
tify objects and complex traPc situations.
In such cases, Active Brake Assist might:
= Give a warning or brake without reason
= Not give a warning or not brake
Active Brake Assist is only an aid. The driver is responsible for maintaining a suPciently safe
distance to the vehicle in front, vehicle speed
and for braking in good time.
Always pay careful attention to the traPc
situation; do not rely on Active Brake
Assist alone.Be prepared to brake or swerve if neces-
sary.
If Active Brake Assist is deactivated or the func- tions are restricted, e.g. due to activation ofanother driving system, the ê display message
will appear on the driver\bs display.
If the system is unavailable due to dirty or dam-
aged sensors or due to a malfunction, or if the
functions are restricted, the

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Distance warning function (vehicles without Driv-ing Assistance Package)
The distance warning function can aid you in the following situations with an intermittent warning
tone and a warning lamp:
= at speeds up to approximately 155 mph
(250 km/h) when approaching vehicles ahead
= at speeds up to approximately 50 mph
(80 km/h) when approaching stationary vehi-
cles, moving pedestrians, and cyclists ahead
= at speeds up to approximately 37 mph
(60 km/h) when approaching crossing cyclists
Distance warning function (vehicles with Driving
Assistance Package)
The distance warning function can aid you in the following situations with an intermittent warning
tone and a warning lamp:
= at speeds up to approximately 155 mph
(250 km/h) when approaching vehicles ahead
= at speeds up to approximately 62 mph
(100 km/h) when approaching stationary vehicles= at speeds up to approximately 50 mph
(80 km/h) when approaching moving pedes-
trians and cyclists ahead
= at speeds up to approximately 43 mph
(70 km/h) when approaching stationary
pedestrians, crossing vehicles and stationary
and crossing cyclists
Autonomous braking function (vehicles without
Driving Assistance Package)
If the vehicle is traveling at speeds above approx-
imately 4 mph (7 km/h), the autonomous braking function may intervene in the following situations:
= at speeds up to approximately 124 mph
(200 km/h) when approaching vehicles ahead
= at speeds up to approximately 50 mph
(80 km/h) when approaching cyclists ahead
= at speeds up to approximately 37 mph
(60 km/h) when approaching moving pedes-
trians, crossing cyclists, and stationary vehi- clesAutonomous braking function (vehicles with Driv-ing Assistance Package)
If the vehicle is traveling at speeds above approx-
imately 4 mph (7 km/h), the autonomous braking
function may intervene in the following situations:
= at speeds up to approximately 155 mph
(250 km/h) when approaching vehicles ahead
= at speeds up to approximately 62 mph
(100 km/h) when approaching stationary
vehicles
= at speeds up to approximately 50 mph
(80 km/h) when approaching cyclists ahead
= at speeds up to approximately 43 mph
(70 km/h) when approaching stationary and moving pedestrians, crossing vehicles and sta-
tionary and crossing cyclists
Situation-dependent braking assistance (vehicles
without Driving Assistance Package)
The situation-dependent braking assistance can
intervene from a speed of approximately 4 mph (7 km/h) in the following situations:
= at speeds up to approximately 155 mph
(250 km/h) when approaching vehicles aheadDriving and parking237

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=at speeds up to approximately 50 mph
(80 km/h) when approaching stationary vehi-
cles and cyclists ahead
= at speeds up to approximately 37 mph
(60 km/h) when approaching moving pedes-
trians and crossing cyclists
Situation-dependent braking assistance (vehicles with Driving Assistance Package)
The situation-dependent braking assistance can
intervene from a speed of approximately 4 mph
(7 km/h) in the following situations:
= at speeds up to approximately 155 mph
(250 km/h) when approaching vehicles ahead
= at speeds up to approximately 62 mph
(100 km/h) when approaching stationary
vehicles
= at speeds up to approximately 50 mph
(80 km/h) when approaching cyclists ahead
= at speeds up to approximately 37 mph
(60 km/h) when approaching stationary and moving pedestrians, crossing vehicles, and
stationary and crossing cyclistsCanceling brake application by Active Brake Assist
You can cancel brake application by Active Brake
Assist at any time by:
= sharply depressing the accelerator pedal or
with kickdown
= releasing the brake pedal
Active Brake Assist may cancel the brake applica-
tion when one of the following conditions is fulNl-
led:
= You maneuver to avoid the obstacle.
= There is no longer a risk of collision.
= An obstacle is no longer detected in front of
your vehicle.
Evasive Steering Assist (only vehicles with Driving Assistance Package)
Evasive Steering Assist has the following charac-
teristics:
= The ability to detect stationary or moving
pedestrians
= Assistance through power-assisted steering if
it detects a swerving maneuver= Activation by an abrupt steering movement
during a swerving maneuver
= Assistance during swerving and straightening
of the vehicle
= Reaction from a speed of approximately
12 mph (20 km/h) up to a speed of approx-
imately 43 mph (70 km/h).
You can prevent the assistance at any time by actively steering.
Cornering function (only vehicles with Driving Assistance Package)
If the system detects a risk of a collision with an oncoming vehicle when turning across an oncom-
ing lane, autonomous braking can be initiated at
speeds below 9 mph (15 km/h) before you have
les the lane in which you are driving.&WARNING Risk of accident despite Eva-
sive Steering Assist
Evasive Steering Assist cannot always recog-
nize objects or complex traPc situations
clearly.
238Driving and parking

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