MERCEDES-BENZ GLS-Class SUV 2017 X166 Owner's Manual

Folding the seats up/down (third row of
seats)
General notes
!Makesure that there is nothing on th efol -
ded-down seat sin th ecargo compartment.
The cargo compartmen tmust be empty for
th ethird row of seat sto be folded up. The
seat sor th eobject sin th ecargo compart-
men tcould otherwise be damaged.
Mak esure that th eseat sin th ethird row are
empty and no tblocke dbefore foldin gthem
down .
The 3r drow of seat sconsist sof two electrically
foldable individual seats, whic hcan be lowered
int oth ecargo compartment.
If th eseat is no tcorrectly locke din position ,th e
display message :3rd
Sea tRow,RightNotLockedappear sin th emultifunction display.
If you fol dth eseat bac kuntil it engages, th e
display message disappears.
Pull th ebackrest firmly to ensure that it is fully
engaged.
The switches for foldin gth elef tor right-hand
seat sup and down are marked: Lfor th eleft-
han dseat when viewed in th edirection of travel ,
R for th eright-hand seat when viewed in th e
direction of travel .
Folding forwards/back in the rear com-
partment
Example: RswitchXTo fold down :fol dth eright-hand outer seat
in th esecon drow of seat sforwards
(
Ypage 100).
XBriefly pull switch :.
The seat folds up.
XTo stop th eautomatic folding: briefly pull
switch :again .
XTo fold down :briefly press switch :.
The seat folds down .
XTo stop theautomatic folding: briefly press
switch :again .
Folding down/up in the cargo compar t-
ment
Example: LswitchXTo fold down :fol dth eright-hand outer seat
in th esecon drow of seat sforwards
(
Ypage 100).
XBriefly press switch :.
The seat folds up.
XTo stop th eautomatic folding: briefly press
switch :again .
XTo fold down :briefly pull switch :.
The seat folds down .
XTo stop theautomatic folding: briefly pull
switch :again .
Detachable panel (third row of seats)
!If there are object sunderneat hth eseat ,th e
seat can no longer be folded up or down fully.
The seat could be damaged.
Only driv ewit hth epanel completely installed.
Seats99
Seats, steering wheel and mirrors
Z

If you drop objects underneath the seats in the
third row, you can remove the panel in order to
reach beneath the seat.
XTo open:fold the corresponding seat up or
down (Ypage 99).
XOnce the seat is folded halfway up or down,
briefly press the button again to stop the
automatic movement.
XGrasp the panel recess.
XPull the panel in the direction of the arrow and
remove it.
XTo close: fold the corresponding seat up or
down (Ypage 99).
XOnce the seat is folded halfway up or down,
briefly press the button again to stop the
automatic movement.
XAttach the panel using the guide pins.
XPush the panel downwards until it engages.
XFold the seat up and down fully to check that
the panel is seated correctly.
Folding down the seats in the second
row manually
Important safety notes
GWARNING
If the seat and backrest are not engaged, they can fold forwards, e.g. in the event of sudden
braking or an accident.
RThis will cause the vehicle occupants to be
forced into the seat belt by a seat or back-
rest which is not engaged. The seat belt can no longer offer the intended level of pro-
tection and could even cause injuries.
RA child restraint system would no longer be
anchored or positioned correctly and would
not be able to perform its required function.
RThe seat backrests cannot restrain objects
or loads in the cargo compartment.
There is an increased risk of injury.
Always make sure that the seat and backrest
are engaged as described:
Rbefore traveling with a passenger on a seat with the EASY-ENTRY/EXIT feature
Rafter you have adjusted the seat
Rafter the EASY-ENTRY/EXIT feature has
been used
Rafter the cargo compartment enlargement
has been folded forwards
GWARNING
The seat does not engage in the entry/exit
position. The seat could fold back suddenly,
e.g. when accelerating, braking, changing
direction suddenly or in the event of an acci-
dent. Persons in the sweep of the seat could
become trapped. There is a risk of injury.
Always fold back a seat which has been folded
forwards before you pull away. Make sure that
the seat and backrest engage fully.
General notes
Getting into or out of the third row of seats: you
can fold forward the right outer seat in the sec-
ond row of seats.
If the right outer rear seat in the second row of
seats is in the entry/exit position: the display
message: 2nd
SeatRow,RightNotLockedappears in the multifunction display, for exam-
ple.
If you fold the seat back until it engages, the
display message disappears.
Pull the backrest firmly to ensure that it is fully
engaged.
iFurther related subjects:
RCargo compartment enlargement (folding
the second row of seats forwards)
(
Ypage 297)
RFolding the seats in the third row forwards/
back (Ypage 99)
Entry position
100Seats
Seats, steering wheel and mirrors

XMove the head restraint to the lowest position(Ypage 97).
XPull release handle ;in the direction of the
arrow to the pressure point and hold it in this
position.
The backrest folds forwards.
You have two options for folding the seat down
fully.
XPull release handle ;again in the direction of
the arrow to the pressure point and hold it in
this position.
or
XPull on release loop :in the direction of the
arrow and hold in this position.
XLift up the seat until it folds forwards.
iVehicles with memory function: the front
seats move forwards slightly.
Entry position
Exit position
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no one
has any body parts in the sweep of the seat.
iFurther related subjects:
RImportant safety notes on air bags
(Ypage 46)
RSecuring children in the vehicle
(Ypage 57)
If you wish to exit the third row of seats, fold
down the outer seat on the right-hand side as
follows.
The release loop for the EASY-ENTRY/EXIT fea-
ture is located at the bottom on the back of the
right outer seat in the second row of seats.
XPull on release loop :in the direction of the
arrow and hold in this position.
The backrest folds forwards.
XPull on release loop :again in the direction
of the arrow and hold in this position.
XLift up the seat until it folds forwards.
iVehicles with memory function: the front
seats move forwards slightly.
Exit position
iVehicles with memory function: in order to
return the front seats to the saved position,
call up the saved seat setting using the mem-
ory buttons.
Seats101
Seats, steering wheel and mirrors
Z

Moving the outer seats back to the normal
position (second row of seats)
GWARNING
If the seat and backrest are not engaged, they can fold forwards, e.g. in the event of sudden
braking or an accident.
RThis will cause the vehicle occupants to be
forced into the seat belt by a seat or back-
rest which is not engaged. The seat belt can no longer offer the intended level of pro-
tection and could even cause injuries.
RA child restraint system would no longer be
anchored or positioned correctly and would
not be able to perform its required function.
RThe seat backrests cannot restrain objects
or loads in the cargo compartment.
There is an increased risk of injury.
Always make sure that the seat and backrest
are engaged as described:
Rbefore traveling with a passenger on a seat with the EASY-ENTRY/EXIT feature
Rafter you have adjusted the seat
Rafter the EASY-ENTRY/EXIT feature has
been used
Rafter the cargo compartment enlargement
has been folded forwards
GWARNING
The seat does not engage in the entry/exit
position. The seat could fold back suddenly,
e.g. when accelerating, braking, changing
direction suddenly or in the event of an acci-
dent. Persons in the sweep of the seat could
become trapped. There is a risk of injury.
Always fold back a seat which has been folded
forwards before you pull away. Make sure that
the seat and backrest engage fully.
XTo lock the seat: fold back the seat until it
engages.
XFold back the backrest until it engages.
Folding down the seats in the second
row electrically
Important safety notes
GWARNING
If the seat and backrest are not engaged, they can fold forwards, e.g. in the event of sudden
braking or an accident.
RThis will cause the vehicle occupants to be
forced into the seat belt by a seat or back-
rest which is not engaged. The seat belt can no longer offer the intended level of pro-
tection and could even cause injuries.
RA child restraint system would no longer be
anchored or positioned correctly and would
not be able to perform its required function.
RThe seat backrests cannot restrain objects
or loads in the cargo compartment.
There is an increased risk of injury.
Always make sure that the seat and backrest
are engaged as described:
Rbefore traveling with a passenger on a seat with the EASY-ENTRY/EXIT feature
Rafter you have adjusted the seat
Rafter the EASY-ENTRY/EXIT feature has
been used
Rafter the cargo compartment enlargement
has been folded forwards
GWARNING
The seat does not engage in the entry/exit
position. The seat could fold back suddenly,
e.g. when accelerating, braking, changing
direction suddenly or in the event of an acci-
dent. Persons in the sweep of the seat could
become trapped. There is a risk of injury.
Always fold back a seat which has been folded
forwards before you pull away. Make sure that
the seat and backrest engage fully.
General notes
To enter or exit the third row of seats: the outer
left and right seats of the second row can be
folded down electrically.
102Seats
Seats, steering wheel and mirrors

One of the outer seats of the second row is in the
entry/exit position: the multifunction display
shows, e.g. the2nd Seat Row, Right Not
Lockeddisplay message.
If you fold the seat back until it engages, the
display message disappears.
Pull the backrest firmly to ensure that it is fully
engaged.
iFurther related subjects:
RCargo compartment enlargement (folding
the second row of seats forwards)
(
Ypage 297)
RFolding the seats in the third row forwards/
back (Ypage 99)
Folding down the seats
The seats can be folded down electrically if the
vehicle is stationary and the respective rear
door is open.
XPress button :.
The head restraint retracts, the backrest folds
forwards and the seat folds forwards.
The seat can be manually returned to its initial position (
Ypage 100).
Adjusting the multicontour seat
The multicontour seat can be adjusted via the
multimedia system (see the separate operating
instructions).
Adjusting the 4-way lumbar support
:Raises the backrest contour
;Softens the backrest contour
=Lowers the backrest contour
?Hardens the backrest contour
You can adjust the contour of the front seat
backrests individually to provide optimum sup-
port for your back.
Seat heating and seat ventilation
Switching the seat heating on/off
GWARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high tempera-
tures may be affected or they may even suffer
burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly.
Seats103
Seats, steering wheel and mirrors
Z

Driver's and front-passenger seat
Rear seats
The three red indicator lamps in the button indi-
cate the heating level you have selected.
The system automatically switches down from
level3to level 2after approximately eight
minutes.
The system automatically switches down from
level 2to level 1after approximately ten
minutes.
The system automatically switches off approx-
imately 35 minutes after it is set to level 1.
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 138).
XTo switch on: press button:repeatedly
until the desired heating level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
Activating and deactivating seat venti-
lation
The three blue indicator lamps in the buttons
indicate the ventilation level you have selected.
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 138).
XTo switch on: press button:repeatedly
until the desired ventilation level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iYou can open the side windows and the slid-
ing sunroof using the "Convenience opening"
feature (
Ypage 87). The seat ventilation of
the driver's seat automatically switches to the
highest level.
104Seats
Seats, steering wheel and mirrors

Problems with the seat heating or seat ventilation
ProblemPossible causes/consequences andMSolutions
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating or seat
ventilation will switch back on automatically.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock.
Adjusting the steering wheel man-
ually
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
:Release lever
;Adjusts the steering wheel height
=Adjusts the steering wheel position (fore-
and-aft adjustment)
XPush release lever :down completely.
The steering column is unlocked.
XAdjust the steering wheel to the desired posi-
tion.
XPush release lever :up completely.
The steering column is locked.
XCheck if the steering column is locked. When
doing so, try to push the steering wheel up or down or try to move it in the fore-and-aft
direction.
Steering wheel105
Seats, steering wheel and mirrors
Z

Adjusting the steering wheel electri-
cally
:Adjusts th esteering whee lheight
;Adjusts th esteering whee lposition (fore-
and-af tadjustment)
The steering whee lcan also be adjusted when
th eSmartKey is remove dfrom th eignition lock.
iFurther relate dsubjects :
REASY-ENTRY/EXIT feature (Ypage 106)
RStoring settings (Ypage 110)
Steering wheel heating
Switching on/off
XTurn th eSmartKey to position 2in th eignition
loc k (Ypage 138).
XTo switch on/off: turnth elever in th edirec -
tion of arrow :or;.
Indicato rlamp =lights up or goes out .
Vehicles wit hKEYLESS-GO :when you switch off
th eignition and open th edriver's door ,th e
steering whee lheating is deactivated.
Vehicles without KEYLESS-GO :when you
remove th eSmartKey from th eignition lock, th e
steering whee lheating is deactivated.
Problems with the steering wheel heating
ProblemPossible causes/consequences and MSolutions
The steering wheelheat -
ing has switched off pre -
maturel yor canno tbe
switched on .The on-board voltag eis to olow because to oman yelectrical consum-
ers are switched on .
XSwitchoff electrical consumer sthat you do no tneed, suc has th e
rear window defroste ror interior lighting .
EASY-ENTRY/EXITfeatu re
Import ant safety notes
GWARNIN G
When th eEASY-ENTRY/EXIT feature adjust s
th esteering wheel, you and other vehicl e
occupant s –particularly children –could
become trapped .There is aris kof injury.
Whil eth eEASY-ENTRY/EXIT feature is mak -
ing adjustments ,mak esur ethat no on ehas
any body part sin th eswee pof th esteering
wheel.
Mov eth esteering whee ladjustmen tlever if
there is aris kof entrapment by th esteering
wheel. The adjustmen tprocess is stopped.
Press on eof th ememory function position but -
tons .This function is only available on vehicles
wit hmemory function .
GWARNING
If children activat eth eEASY-ENTRY/EXIT fea-
ture, they can become trapped ,particularly
when unattended. There is aris kof injury.
106Steering wheel
Seats, steering wheel and mirrors

When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident.
Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in
and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board computer
(
Ypage 240).
Position of the steering wheel when the
EASY-ENTRY/EXIT feature is active
The steering wheel swings upwards when you:
Rremove the SmartKey from the ignition lock
Ropen the driver's door with KEYLESS-GO in
position 1
Ropen the driver's door and the SmartKey is in
position0or 1in the ignition lock
iThe steering wheel only moves upwards if it
has not already reached the upper stop.
Position of the steering wheel for driv-
ing
The steering wheel is moved to the last selected
position when:
Rthe driver's door is closed
Ryou insert the SmartKey into the ignition lock
or
Ryou press the Start/Stop button once on vehi-
cles with KEYLESS-GO
When you close the driver's door with the igni-
tion switched on, the steering wheel is also
automatically moved to the previously set posi-
tion.
The last position of the steering column is stored
when you:
Rswitch the ignition off
Rsave the setting with the memory function
(Ypage 110).
Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is trig-
gered in an accident, the steering column will
move upwards when the driver's door is opened.
This occurs irrespective of the position of the
SmartKey in the ignition lock. This makes it eas- ier to exit the vehicle and rescue the occupants.
The crash-responsive EASY-EXIT feature is only
operational if the EASY-EXIT/ENTRY feature is
activated in the on-board computer
(
Ypage 240).
Mirrors
Rear-view mirror
XAnti-glare mode: flick anti-glare lever :for-
wards or back.
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
Mirrors107
Seats, steering wheel and mirrors
Z

GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 138).
XExterior mirror on the driver's side: press but-
ton :.
Exterior mirror on the front-passenger side:
press button ;.
The indicator lamp in the corresponding but-
ton lights up in red.
The indicator lamp goes out again after some
time. You can adjust the selected exterior
mirror using button =as long as the indicator
lamp is lit.
XPress button =up, down, or to the right or
left until you have adjusted the exterior mirror
to the correct position. You should have a
good overview of traffic conditions.
The convex exterior mirrors provide a larger field
of vision.
The exterior mirrors are heated automatically if
the rear window defroster is switched on and the
outside temperature is low.
Folding the exterior mirrors in or out
electrically
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 138).
XBriefly press :.
Both exterior mirrors fold in or out.
iMake sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
iIf you are driving faster than 30 mph
(47 km/h), you can no longer fold in the exte-
rior mirrors.
Resetting the exterior mirrors
If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must be
reset. Otherwise, the exterior mirrors will not
fold in when you select the "Fold in mirrors when
locking" function in the on-board computer
(
Ypage 240).
XTurn the SmartKey to position 1in the ignition
lock (Ypage 138).
XBriefly press :.
Folding the exterior mirrors in or out
automatically
If the "Fold in mirrors when locking" function is
activated in the on-board computer
(
Ypage 240):
Rthe exterior mirrors fold in automatically as
soon as you lock the vehicle from the outside.
Rthe exterior mirrors fold out again automati-
cally as soon as you unlock the vehicle and
then open the driver's or front-passenger
door.
108Mirrors
Seats, steering wheel and mirrors