1
Climate cont rolre ar operating unit →
16 6
2 Stow age compartment in the cent reconsole →
124
230 V soc ket →
141
3 Switches there ar seat heater on/off →
11 6 4
Head restra int height →
11 6
5 Adjusts the seat backrest →
11 7
6 Sets the seat fore -and-aft position →
109
7 Cup holder At
aglance – Control settings in there ar compartment 17
PRE-SAFE
®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay.
If an accident did not occur, the pre-em ptive
measures that we retake n are reve rsed.
Sy stem limitations
The sy stem will not initiate any action in thefo l‐
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact The sy
stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Information on PRE-
SAFE®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front seat vehicle occupant's upper body
to wa rdsth e cent reoftheve hicle. It does this by
ra pidly inflating an air cushion in the outer seat
side bols ter of the seat backrest on the side on
which the impact is anticipated. This increases
th e dis tance between the door and theve hicle
occupant.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, thePRE-SAFE impulse side inoperative
See Owner's Manual (→page 567) display mes‐
sage appears. Safely transporting
children in theve hicle Alw
ays obser vewhen children are tr avelling
in theve hicle %
Also strictly obser vethe saf ety no tesfo rthe
specific situation. In this wa yyo u can recog‐
nise po tential risks and avoid dangers if chil‐
dren are tr avelling in theve hicle
(→ page 49).
Be diligent
Bear in mind that neglecting tosecure a child in
th ech ild restra int sy stem may ha veserious con‐
sequences. Alw ays be diligent in securing a child
carefully before everyjou rney.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 min height,
Mercedes-Benz recommends you obse rvethe
fo llowing information:
R Alw ays secure thech ild in a child restra int
sy stem suitable forth is Mercedes-Benz vehi‐
cle.
R The child restra int sy stem must be appropri‐
ate tothe age, weight and size of thech ild. 48
Occupant saf ety
Seats
Ad
justing the front seat &
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particularly when unattended. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital car key
st icke r and mobile phones if the "digital
car key" function is activated via the
Mercedes me connect web app. #
Never lea vechildren unat tended in the
ve hicle. The seats can be adjus
ted when the ignition is
switched off. &
WARNING Risk of becoming trapped
when adjusting the seats
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
When adjusting a seat, make sure that
no one has any body parts in the sweep
of the seat. Obser
vethe saf ety no tes on "Airbags" and "Chil‐
dren in theve hicle". &
WARNING Risk of accident due tothe
driver's seat not being engaged
If th e driver's seat is not engaged, it could
mo veunexpectedly while theve hicle is in
motion.
This could cause youto lose control of the
ve hicle. #
Alw ays make sure that the driver's seat
is engaged before starting theve hicle. &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured. 106
Seats and stowing
Children in particular could acciden
tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue tohead
re stra ints which are not fitted or are
adjus ted inco rrectly
If head restra ints are not fitted or are adjus‐
te d incor rectl y,they cannot pr ovide pr otec‐
tion as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking. #
Alw ays drive with the head restra ints
fi tted. #
Before driving off, ma kesure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Do not inter
change the head restra ints of the
front and rear seats. Otherwise, you will not be
able toadjust the height and angle of the head
re stra ints cor rectl y.
Ad just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. &
WARNING Risk of inju ryor death due to
incor rect seat position
The seat belt does not of ferth e intended
le ve l of pr otection if you ha venot mo vedthe
seat backrest toan almost vertical position.
When braking or in theeve nt of an accident,
yo u could slide underneath the seat belt and
sus tain abdominal or neck injuries, forex am‐
ple. #
Adjust the seat proper lybefore begin‐
ning your journe y. #
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the cent reofyour shoul‐
der. 1
Head restra int height
2 Seat backrest inclination
3 Seat height
4 Seat cushion length
5 Seat cushion inclination
6 Seat fore -and-aft position #
Save the settings with the memory function
(→ page 121). Seats and
stowing 107
Ad
justing the rear seats electrical lyThe middle seat backrest is adjus
tedto ge ther
with the left seat. 1
Head restra int height
2 Seat backrest inclination
3 Seat fore -and-aft position Fo
lding there ar seats forw ards electrical ly &
WARNING Risk of becoming trapped
when adjusting the seats
When you adjust a seat, you may trap your‐
self or a vehicle occupant. #
When adjusting a seat, make sure that
no one has any body parts in the sweep
of the seat. &
WARNING Risk of accident if seat and
seat ba ckrest are not engaged
If th e seat and seat backrest are not engaged
th ey could fold forw ards, e.g. when braking
or in theev ent of an accident.
R The seat or seat backrest which is not
engaged will then push theve hicle occu‐
pant against the seat belt. The seat belt
wo uld not be able toprov ide the intended
pr otection and could cause additional
injur y. R
Ach ild restra int sy stem will then no lon‐
ge r be suppor ted cor rectly or positioned
cor rectly and will no longer per form its
intended function.
R The seat backrest cannot restra in objects
or goods in the luggage compartment.
Alw ays ensure that the seat and seat back‐
re st are engaged:
R before passengers tr avel on a seat with
th e EASY -ENTRY/EXIT feature
R afte r adju sting the seat
R afte rth e EASY -ENTRY/EXIT feature is
used
R afte rth e load compartment enlar gement
has been folded down. &
WARNING Risk of inju rydue toseat
backrest folded forw ards
If th ere ar seat backrest is folded forw ards,
persons in theth ird row of seats could col‐
lide with parts of the seat adjustment mech‐ Seats and
stowing 109
#
Foldthe backrest forw ards. #
Before driving off, make sure that the seat
backrest and there ar ben chseat are
engaged again. Head
restra ints Ad
justing the front seat head restra ints
mechanically &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the st
eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of inju rydue tohead
re stra ints which are not fitted or are
adjus ted incor rectly
If head restra ints are not fitted or are adjus‐
te d incor rectl y,they cannot pr ovide pr otec‐
tion as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking. #
Alw ays drive with the head restra ints
fi tted. #
Before driving off, ma kesure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Do not inter
change the head restra ints of the
front and rear seats. Otherwise, you will not be
able toadjust the height and angle of the head
re stra ints cor rectl y. Ad
just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. #
Toraise: pull head restra int up. #
Tolowe r:press release knob 1inthe direc‐
tion of the ar row and push the head restra int
down. 11 2
Seats and stowing
#
Push release le ver1 down as far as it will
go.
The steering column is unloc ked. #
Adjust height 2and di stance 3tothe
st eering wheel. #
Push release le ver1 up as far as it will go.
The steering column is loc ked. #
Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel. Ad
justing the steering wheel electrically The
steering wheel can be adjus ted when the
ignition is switched off. 1
Adjusts the dis tance tothesteering wheel
2 Adjusts the height #
Save the settings with the memory function
(→ page 121). Switching
thest eering wheel heater on/off R
the ignition is switched on. #
Toswitch on: pushthe switch toposition
1.
The indicator lamp 3lights up. #
Toswitch off: pushthe switch toposition
2.
The indicator lamp 3goes out. Seats and
stowing 11 9
R
you are no lon ger depressing the accelerator
or brake pedal.
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =.
Glide mode is deactivated again if one of the
conditions is no longer met.
Ve hicles with Driving Assistance Package,
Ac tive Di stance Assist DISTRO NIC orActive
Brake Assi st:Glide mode is also deacti vated
depending on the traf fic situation and theve hi‐
cle then switches to overru n mode.
Glide mode can also be pr evented bythefo llow‐
ing parame ters:
R incline
R downhill gradient
R temp erature
R height
R speed
R operating status of the engine Tr
ansfer case Fu
nction of the transfer case &
WARNING Risk of skidding and having
an accident when in LOW RANGE on slip‐
pery road sur faces
If yo u select theLO W RANGE off-road gear
on a slippe ryroad sur face, the wheels could
lose traction in thefo llowing situations:
R ifyo ure lease the accelerator pedal when
th eve hicle is in motion.
R if off-road ABS inter venes when braking.
If th e wheels lose traction, it will no longer be
possible tosteer theve hicle. #
Never select theLO W RANGE off-road
ge ar when driving on slippe ryroad sur‐
fa ces. &
WARNING Risk of accident when the
trans fer case is in neutral position
The transfer case can be in neutral position if
yo u do not wait until shift operation is com‐
ple te. The po wer transmission tothe driven
wheels is then inter rupted. The vehicle may
th ereby inadver tently rollaw ay. #
Wait until the transfer case shift opera‐
tion is comple te. This function is only
available in vehicles with
Off-road pac kage.
Shift the transfer case tothe on-ro ad position
HIGH RANGE or intotheLO W RANGE off-road
ge ar.
Do not swit choff the engine during shift opera‐
tion and do not shift the automatic transmission
to ano ther position. Driving and parking
197