#
T
To adjus
o adjus t t
t the seat belt height
he seat belt height: :press button 3
on the seat belt outlet and slide the seat belt
outlet tothe desired position. #
T
To eng
o eng ag
age t
e t he seat belt outlet
he seat belt outlet: :re lease button
3 and ensure that the seat belt outlet
engages.
% A seat belt can only pr ovide the best le vel of
pr otection if it is worncor rectl y.Obser vethe
no tes on fastening the seat belt (/ page 45).
* NO
NO TE
TEDeployment of components of the
re straint system when the front passenger
seat is unoccupied and a seat belt is
buckled When
the front passenger seat is unoccupied
and the seat belt tongue of the seat belt is
engaged in the seat belt buckle, components
of there straint system ma y deployunnecessa-
ri ly on the front passenger side, e.g. the seat
belt tensioner. #
Only buckle the seat belts as intended. %
Obser vethe no tes on st owage areas
(/ page 124). Information on /tting a
child restraint system
and on children tr avelling in theve hicle can
be found in the "Children in theve hicle" sec-
tion (/ page 63). Seat belt adjus Seat belt adjustment function
tment function V
V
ehicles wit
ehicles wit h PRE-S
h PRE-SAFE
AFE®
®
:
:aTer a front seat belt
has been fastened, the automatic seat belt adjust-
ment may apply a cer tain tightening forc e. Do not
hold the seat belt tightly while it is adjusting.
Yo u can activate and deactivate the seat belt
adjustment function using the multimedia system
(/ page 48). A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating seat belt adjus
ating seat belt adjustment via tment via
t
t he multimedia syst
he multimedia syst em
em Multimedia system:
4 © 5
Settings 5
Vehicle
5 Occupant protection #
Activate or deactivate Belt adjustment. R
R
eleasing seat belts
eleasing seat belts #
Press there lease button in the seat belt
buckle and guide the seat belt back with the
seat belt tongue. Seat belt w
Seat belt w
ar
arning function f
ning function f or t
or the dr
he dr iv
iver and fr
er and fr ont
ont
passeng
passeng er
er The
ü seat belt warning lamp in the driver's
display is a reminder that all vehicle occupants
must weartheir seat belts cor rectl y.
In addition, a warning tone may sound.
As soon as the driver and front passenger fasten
th eir seat belts, the seat belt warning goes out. F
F
unction of t
unction of t he r
he rear seat belt st
ear seat belt st atus display
atus display The
rear seat belt status displ ayis only available
fo r cer tain countries. 48
48
Occupant saf
ety
#
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Never lea vechildren unattended in the
ve hicle. Yo
u can adjust the seats when theve hicle is
switched o.. &
W
W ARNING
ARNING Risk of becoming trapped dur-
ing seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that no
one has any body parts in the sweep of
th e seat. Obser
vethe saf ety no tes on "Airbags" and "Chil-
dren in theve hicle". &
W
W ARNING
ARNING Risk of accident due tothe
driver's seat not being engaged
The driver's seat may mo veunexpectedly
while driving. This could cause
youto lose control of the
ve hicle. #
Always make sure that the driver's seat
is engaged before starting theve hicle. &
W
WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. &
W
WARNING
ARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If yo u adjust the seat height carelessl y,yo u or
ot her vehicle occupants could be trapped and
th ereby injured.
Children in particular could accidentally press
th e 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 ofthe seat
adjustment system. &
W WARNING
ARNING Risk of injury due tohead
re straints not being /tted or being adjus-
te d incor rectly
If head restraints ha venot been installed or
ha ve not been adjusted cor rectl y,there is an
increased risk of injury in the head and neck
area, e.g. in theeve nt of an accident or when
braking. Seats and st
owing
111
111
Ad
justing the height................................. 47
Au tomatic tightening................................ 48
Care...................................................... 375
Fa stening................................................. 47
Pro tection................................................ 45
Re ar seat belt status displ ay..................... 48
Re duced pr otection.................................. 46
Re leasing................................................. 48
Wa rning lamp........................................... 48
Seat belt adjus Seat belt adjustment tment
Ac tivating/deactivating............................ 48
Fu nction.................................................. 48
Seat belt t
Seat belt t ensioners
ensioners
Deployment............................................. 44
Seat belt w
Seat belt w ar
arning
ning........................................... 48
Seat heating
Seat heating
Activating/deactivating.......................... 118
Seat v
Seat v entilation
entilation
Switching on/o..................................... 119
Self-t
Self-t est
est
Au tomatic front passenger airbag shut
o............................................................. 54 Re straint system..................................... .44
Sensors
Sensors....................................................... 373 Ser
Ser
vice centre
vice centre.............................................. .37
Ser
Ser vice int
vice int erv
erval display
al display , ASSYS
, AS SYST PL
T PL US
US......... .367
Ser
Ser vice, ASS YS
vice, ASS YST PL
T PL US
US................................. 367
Se
Se tting a speed
tting a speed............................................ 227
Short
Short ening t
ening t he br
he braking dist
aking dist ance
ance
BAS....................................................... 219
Side airbag
Side airbag..................................................... 49
Side wind ows
Side windo ws
Au tomatic function................................. 101
Child saf ety lock (rear)............................ .78
Con venience closing.............................. 102
Con venience opening............................. 102
Open/close with key.............................. 102
Opening/closing.................................... 100
Problem................................................. 103
Ra in closing function.............................. 101
Skid c
Skid c hains hains.................................................. 396
Sliding sunr
Sliding sunr oof
oof
Au tomatic functions............................... 106
Closing.................................................. 103
Closing with key..................................... 102
Opening................................................. 103
Opening with theke y.............................. 102 Problem................................................. 106
Ra
in closing function.............................. 106
Smar Smar tphone int
tphone int egr
egration
ation, Android Auto,
Apple CarPlay ®
, Mobile phone, Smart-
phone, iPhone ®
Overview................................................ 352
Sno
Sno w c
w chain mode
hain mode
Ac tivating/deactivating.......................... 397
Sno
Sno w c
w chains
hains................................................ 396
Soc ket
Soc ket
12 V (front passenger foot we ll)............... 136
Tr ailer operatio n.................................... .293
Soc ke
Soc ket
t0ap
0ap, Soc ket 0ap................................ 193
SoTw
SoTw are
are upda te
update
System updates.....................................3 20
SOS butt
SOS butt on, Mer
on, Mercedes me
cedes me........................... 344
Sound
Sound PRE-SAFE ®
Sound................................... 57
Wheels/tyres......................................... 396
Sound g
Sound g ener
enerat
ator
or
Ac oustic presence indicator................... 176 Index
529
529