2017 MERCEDES-BENZ GLS steering

X
Adjust the seat ( Y
page 96).X
On the driver's side, adjust the steering wheel
( Y
page 106) and the exterior mirrors
( Y
page 107). X
Press memory button M and then press mem-
ory position button 1 , 2 or 3 within three sec-
onds.
The settings are stored in the selected preset
position. A tone sounds when the settings
have been completed.
The memory function can still be used if the
SmartKey has been removed.
Calling up a stored setting X
Press and hold the relevant storage position
button 1 , 2 or 3 until the seat, steering wheel
and exterior mirrors are in the stored position.
The setting procedure is interrupted as soon as
you release the storage position buttons. Memory function 111
Seats, steering wheel an d mirrors Z

The blue W indicator lamp in the instru-
ment cluster lights up when the high-beam
headlamps are switched on. X
To switch off the high-beam head-
lamps: move the combination switch back to
its normal position.
The blue W indicator lamp in the instru-
ment cluster goes out.
Vehicles with Adaptive Highbeam Assist: if
Adaptive Highbeam Assist is activated, it auto-
matically controls activation and deactivation of
the high-beam headlamps ( Y
page 115).
Hazard warning lamps
X
To switch on the hazard warning
lamps: press button C .
All turn signals flash. If you now switch on a
turn signal using the combination switch, only
the turn signal lamp on the corresponding
side of the vehicle will flash. X
To switch off the hazard warning lamps:
press button C .
The hazard warning lamps automatically switch
on if: R
an air bag is deployed or R
the vehicle decelerates rapidly from a speed
of above 45 mph (70 km/h) and comes to a
standstill
The hazard warning lamps switch off automati-
cally if the vehicle reaches a speed of above
6 mph (10 km/h) again after a full brake appli-
cation.
i The hazard warning lamps still operate if the
ignition is switched off. Intelligent Light System
General notes The Intelligent Light System is a system that
adjusts the headlamps automatically to suit the
prevailing driving and weather conditions. It
offers advanced functions for improved illumi-
nation of the road surface, e.g. depending on the
vehicle speed or weather conditions. The sys-
tem includes the active light function, cornering
light function, highway mode and extended
range fog lamps. The system is only active when
it is dark.
You can activate or deactivate the "Intelligent
Light System" using the on-board computer
( Y
page 239).
Active light function The active light function is a system that moves
the headlamps according to the steering move-
ments of the front wheels. In this way, relevant
areas remain illuminated while driving. This
allows you to identify pedestrians, cyclists and
animals.
Active: when the lights are switched on.
Cornering light function The cornering light function improves the illu-
mination of the road over a wide angle in the
direction you are turning, enabling better visi-
bility in tight bends, for example. It can only be
activated when the low-beam headlamps are
switched on.
Active: R
if you are driving at speeds below 25 mph
(40 km/ h) and switch on the turn signal or
turn the steering wheel R
if you are driving at speeds between 25 mph
(40 km/h) and 45 mph (70 km/h) and turn
the steering wheel
The cornering lamp may remain lit for a short
time, but is automatically switched off after no
more than three minutes.
Highway mode
Highway mode increases the range of the beam.
Active: if you are driving at a speed above
110 km/h and do not make any large steering
movements for at least 1,000 m or if you are
driving at a speed above 130 km/h.114
Exterior lighting
Lights and windshield wipers

Not active: if you are driving at speeds below
80 km/h following activation.
Extended range fog lamps The extended range fog lamps reduce the glare
experienced by the driver and improve the illu-
mination of the edge of the road.
Active: if you are driving at speeds below
40 mph (70 km/h) and you switch on the rear
fog lamp.
Not active: if, following activation, you are driv-
ing at speeds above 60 mph (100 km/h) or if you
switch off the rear fog lamp
Off-road lights The off-road lights facilitate the early recogni-
tion of objects/obstacles when driving off-road
thanks to a symmetrical, wider and brighter dis-
tribution of light from the low-beam headlamps.
Active: when driving at speeds no faster than
30 mph (50 km/h) and the off-road program
selector wheel is in position 1 or 2.
Not active: when driving at speeds above
30 mph (50 km/h).
When the off-road lights are switched on, the
cornering light function is permanently activa-
ted, the active light function is deactivated and
the headlamp range control is set to static
mode.
Cornering light function The cornering light function improves the illu-
mination of the road over a wide angle in the
direction you are turning, enabling better visi-
bility in tight bends, for example. It can only be
activated when the low-beam headlamps are
switched on.
Active: R
if you are driving at speeds below 25 mph
(40 km/h) and switch on the turn signal or
turn the steering wheel R
if you are driving at speeds between 25 mph
(40 km/h) and 45 mph (70 km/h) and turn
the steering wheel
The cornering lamp may remain lit for a short
time, but is automatically switched off after no
more than three minutes. Adaptive Highbeam Assist
General notes You can use this function to set the headlamps
to change between low beam and high beam
automatically. The system recognizes vehicles
with their lights on, either approaching from the
opposite direction or traveling in front of your
vehicle, and consequently switches the head-
lamps from high beam to low beam.
The system automatically adapts the low-beam
headlamp range depending on the distance to
the other vehicle. Once the system no longer
detects any other vehicles, it reactivates the
high-beam headlamps.
The system's optical sensor is located behind
the windshield near the overhead control panel.
Important safety notes
G WARNING
Adaptive Highbeam Assist does not recognize
road users: R
who have no lights, e.g. pedestrians R
who have poor lighting, e.g. cyclists R
whose lighting is blocked, e.g. by a barrier
On very rare occasions, Adaptive Highbeam
Assist may fail to recognize other road users
that have lights, or may recognize them too
late. In this, or in similar situations, the auto-
matic high-beam headlamps will not be deac-
tivated or will be activated regardless. There is
a risk of an accident.
Always carefully observe the traffic conditions
and switch off the high-beam headlamps in
good time.
Adaptive Highbeam Assist cannot take into
account road, weather or traffic conditions.
Adaptive Highbeam Assist is only an aid. You are
responsible for adjusting the vehicle's lighting
to the prevailing light, visibility and traffic con-
ditions.
In particular, the detection of obstacles can be
impaired if: R
poor visibility, e.g. due to fog, heavy rain or
snow R
dirt on the sensors or the sensors are
obscuredExterior lighting 115
Lights and windshield wiper s Z

Problem
Possible causes/consequences and P Solutions
Vehicles with a gasoline
engine:
The engine is not running
smoothly and is misfir-
ing. There is a malfunction in the engine electronics or in a mechanical
component of the engine management system. X
Only depress the accelerator pedal slightly.
Otherwise, non-combusted fuel may get into the catalytic converter
and damage it. X
Have the cause rectified immediately at a qualified specialist work-
shop.
The coolant temperature
gage shows a value
above 248 ‡ (120 †). The coolant level is too low. The coolant is too hot and the engine is no
longer being cooled sufficiently. X
Stop as soon as possible and allow the engine and the coolant to
cool down. X
Check the coolant level ( Y
page 322). Observe the warning notes
as you do so and add coolant if necessary.
DYNAMIC SELECT controller Use the DYNAMIC SELECT controller to change
the drive program. Depending on the drive pro-
gram selected the following vehicle character-
istics will change: R
the drive (engine and transmission manage-
ment) R
the transmission R
the suspension R
the steering R
the availability of the ECO start/stop function
Each time you start the engine with the Smart-
Key or the Start/Stop button, the Comfort drive
program is activated. For further information
about starting the engine, see ( Y
page 139).
X
All vehicles (except Mercedes-AMG vehi-
cles): turn DYNAMIC SELECT controller C as many times as necessary until the desired
drive program is selected.
The selected drive program appears in the
multifunction display. After five seconds the
display goes out.
In addition, the current drive program settings
are displayed in the multimedia system dis-
play.
Drive programs available (all vehicles
except Mercedes-AMG vehicles):
Individual
Individual settings
Sport
Sporty driving characteris-
tics
Comfort
Comfortable and economi-
cal driving characteristics
Slippery
Optimal driving characteris-
tics on slippery or snow-
covered roads
Off-road
Optimal driving characteris-
tics for easily negotiable off-
road terrain
Offroad Plus
(vehicles with
Off-Road Engi-
neering pack-
age) Optimal driving characteris-
tics for rough terrainDYNAMIC SELECT controller 145
Driving and parking Z

Further information on: R
the Individual , Sport , Comfort and Slippery
drive programs ( Y
page 149)R
the Offroad drive program (vehicles without
Off-Road Engineering package)
( Y
page 217)R
the Offroad and Offroad Plus drive pro-
grams (vehicles with Off-Road Engineering
package) ( Y
page 218)
X
Mercedes-AMG vehicles: turn DYNAMIC
SELECT controller C as many times as nec-
essary until the desired drive program is
selected.
The selected drive program appears in the
multifunction display. After five seconds the
display goes out.
In addition, the current drive program settings
are displayed in the multimedia system dis-
play.
Drive programs available (Mercedes-AMG
vehicles):
Individual
Individual settings
Comfort
Comfortable and economi-
cal driving characteristics
Sport
Sporty driving characteris-
tics
Sport Plus
Particularly sporty driving
characteristics
Slippery
Optimal driving characteris-
tics on slippery or snow-
covered roads
Additional information for drive programs
( Y
page 149). Automatic transmission
Important safety notes
G WARNING
The automatic transmission switches to neu-
tral position N when you switch off the engine.
The vehicle may roll away. There is a risk of an
accident.
After switching off the engine, always switch
to parking position P . Prevent the parked vehi-
cle from rolling away by applying the parking
brake.
DIRECT SELECT lever
Overview of transmission positions
]
Park position with parking lock ^
Reverse gear \\
Neutral [
Drive
The DIRECT SELECT lever is on the right of the
steering column.
The DIRECT SELECT lever always returns to its
original position. The current transmission posi-
tion P , R , N or D appears in the transmission
position display in the multifunction display
( Y
page 148).
Engaging park position P
! If the engine speed is too high or the vehicle
is moving, do not shift the automatic trans-
mission directly from D to R , from R to D or
directly to P . The automatic transmission
could otherwise be damaged.146
Automatic transmission
Driving and parking

D Neutral
Do not shift the transmission to N
while driving. Otherwise, the auto-
matic transmission could be dam-
aged.
No power is transmitted from the
engine to the drive wheels.
Releasing the brakes will allow you to
move the vehicle freely, e.g. to push
it or tow it.
If ESP ®
is deactivated or faulty: shift
the transmission to position N if the
vehicle is in danger of skidding, e.g.
on icy roads.
If you switch the engine off with the
transmission in position R or D , the
automatic transmission shifts to N
automatically.
! Rolling in neutral N can damage
the drive train.
: Drive
The automatic transmission changes
gear automatically. All forward gears
are available.
Driving tips
Changing gear The automatic transmission shifts to the indi-
vidual gears automatically when it is in trans-
mission position D . This automatic gear shifting
behavior is determined by: R
the selected drive program R
the position of the accelerator pedal R
the road speed
Accelerator pedal position Your style of driving influences how the auto-
matic transmission shifts gear: R
little throttle: early upshifts R
more throttle: late upshifts Kickdown Use kickdown for maximum acceleration. X
Depress the accelerator pedal beyond the
pressure point.
The automatic transmission shifts to a lower
gear depending on the engine speed. X
Ease off the accelerator pedal once the
desired speed is reached.
The automatic transmission shifts back up.
Rocking the vehicle free Shifting the transmission repeatedly between
gears D and R may help to free the vehicle if it
has become stuck in slush or snow. The vehi-
cle's engine management system limits the
speed to a maximum of 5 mph (9 km/h) when
shifting back and forth. To shift back and forth
between transmission positions D and R , move
the DIRECT SELECT lever up and down past the
point of resistance.
Towing a trailer X
Drive in the middle of the engine speed range
on uphill gradients. X
Depending on the uphill or downhill gradient,
use the left-hand steering wheel paddle
shifter ( Y
page 150) to select a lower gear,
even if cruise control or Distance Pilot
DISTRONIC are activated.
Drive programs
Slippery drive program The Slippery drive program has the following
characteristics: R
reduced engine and transmission settings for
optimum propulsion on slippery or snow-cov-
ered roads. R
optimized ESP ®
stability control on slippery or
snow-covered roads. R
the vehicle has improved driving stability on
slippery or snow-covered roads, for example.Automatic transmission 149
Driving an d parking Z

Comfort drive program The Comfort drive program has the following
characteristics: R
comfort-oriented engine and transmission
settings. R
optimal fuel consumption resulting from the
automatic transmission shifting up sooner. R
the vehicle pulling away more gently in
forward and reverse gears, unless the accel-
erator pedal is depressed fully. R
the automatic transmission shifting up
sooner. This results in the vehicle being driven
at lower engine speeds and the wheels being
less likely to spin.
Sport drive program The Sport drive program has the following char-
acteristics: R
sporty engine and transmission settings. R
the automatic transmission shifting up later.
the fuel consumption possibly being higher as
a result of the later automatic transmission
shift points. R
the suspension exhibits sporty damping (vehi-
cles with AIRMATIC).
Drive program Sport Plus (Mercedes-
AMG vehicles) The Sport Plus drive program has the following
characteristics: R
the vehicle exhibits particularly sporty driving
characteristics. R
the vehicle pulling away in first gear. R
the automatic transmission shifting up later.
the fuel consumption possibly being higher as
a result of the later automatic transmission
shift points. R
the suspension exhibits particularly firm
springing and damping settings (vehicles with
AIRMATIC). R
the ECO start/stop function is deactivated, it
can, however, be activated again using the
ECO button ( Y
page 143). Individual drive program In the Individual drive program, the following
properties of the drive program can be selected: R
the drive (engine and transmission manage-
ment) R
the transmission R
the suspension R
all vehicles (except Mercedes-AMG vehicles):
the steering R
all vehicles (except Mercedes-AMG vehicles):
availability of the ECO start/stop function
To select the gears in the Individual drive pro-
gram permanently using the steering wheel pad-
dle shifters, select the permanent manual gear-
shift program.
Information about configuring the Individual
drive program with the multimedia system can
be found in the Digital Operator's Manual.
Manual gear shifting
General notes You can change gear yourself using the steering
wheel paddle shifters. The transmission must be
in position D .
Depending on which steering wheel paddle
shifter is pulled, the automatic transmission
immediately shifts into the next gear down or
up, if permitted.
To use manual shifting, you have two options: R
temporary setting R
permanent setting
If you activate manual gearshifting, the multi-
function display will show the current gear
instead of transmission position D .
If manual gearshifting is deactivated, the gears
will be selected automatically.150
Automatic transmission
Driving and parking

Temporary setting X
To activate: shift the DIRECT SELECT lever to
position D .X
Pull steering wheel paddle shifter C or D .
Temporary setting will be active for a certain
amount of time. Under certain conditions the
minimum amount of time is extended, e.g. in the
case of lateral acceleration, during an overrun
phase or when driving on steep terrain. X
To deactivate: pull steering wheel paddle
shifter D and hold it in place.
or X
Use the DIRECT SELECT lever to switch the
transmission position.
or X
Use the DYNAMIC SELECT controller to
change the drive program.
Permanent setting (all vehicles except
Mercedes-AMG vehicles)
X
To activate: shift the DIRECT SELECT lever to
position D .X
Press button C . X
To deactivate: press button C .
or X
Use the DYNAMIC SELECT controller to
change the drive program.
Permanent setting (Mercedes-AMG
vehicles) X
To activate: shift the DIRECT SELECT lever to
position D . X
Press button C .
Indicator lamp D lights up.X
To deactivate: press button C .
or X
Use the DYNAMIC SELECT controller to
switch to the Individual drive program.
Indicator lamp D goes out.
Shifting gears
! Mercedes-AMG vehicles: the automatic
transmission does not shift up automatically
even when the engine limiting speed for the
current gear is reached. When the engine lim-
iting speed is reached, the fuel supply is cut to
prevent the engine from overrevving. Always
make sure that the engine speed does not
reach the red area of the tachometer. There is
otherwise a risk of engine damage.Automatic transmission 151
Driving an d parking Z