
also deploy in
theev ent of an accident along
with other sy stems. #
Only one person should use each seat
belt at any one time. Seat belt adjustment function
Ve
hicles with PRE-SAFE ®
:if th e front seat belt
is not pulled tight across your body, the seat belt
adjustment may automatically apply a cer tain
tigh tening 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 sys‐
te m (→ page 38). Re
leasing a seat belt #
Press there lease button in the seat belt
buckle and guide the seat belt back with the
seat belt tongue. Ac
tivating/deactivating seat belt adjustment
via the multimedia sy stem Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Belt
adjustment #
Activate Oor deacti vate ª the function. Seat belt
warning function for the driver and
front passen ger The
ü seat belt warning lamp in the instru‐
ment display is a reminder that all vehicle occu‐
pants must weartheir seat belts cor rectly.
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. Fu
nction of there ar seat belt status display The
rear seat belt status display is on lyavailable
fo r cer tain countries. The
rear seat belt status display informs you
which rear seat belt is not fastened.
Yo u can immediately dismiss there ar seat belt
st atus display using the back button on the left-
hand side of thesteering wheel (→ page 255).
If a vehicle occupant unfas tens a seat belt in the
re ar while theve hicle is motion, there ar seat
belt status display appears again.
In addition, an acoustic warning tone may sound.
In this case, there ar seat belt status display
cannot be hidden using the back button on the
left-hand side of thesteering wheel. 38
Occupant saf ety 

Yo
u can call up thefo llowing functions forthe
front passenger sea t:
R seat adjustment
R seat heater
R seat ventilation
R memory function #
Toselect the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the
buttons on the door control panel on the
driver's side. 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 96
Seats and stowing 

Switching
thest eering wheel heater on or off Re
quirements:
R The po wer supply or the ignition is switched
on. #
Toswitch on: turnthe le ver in the direction
of ar row1.
Indicator lamp 3lights up. #
Toswitch off: turnthe le ver in the direction
of ar row2.
Indicator lamp 3goes out.
When you swit ch the ignition off, thesteering
wheel heater switches off. Easy entry and
exitfeature Using
the easy entry and exitfeature &
WARNING Risk of accident when pulling
aw ay during the adjustment process of
th e easy exitfeature
‑ If you pull away while the easy entry and
ex itfeature is making adjustments, you could
lose cont rol of theve hicle. #
Alw ayswa it until the adjustment proc‐
ess is comple tebefore pulling away. &
WARNING Risk of becoming trapped
while adjusting the easy entry ‑andexit
fe ature
When the easy entry andexitfeature adjusts
th esteering wheel, you and other vehicle
occupants – particularly children – could
become trapped. #
During the adjustment process of the
easy entry andexitfeature, make sure
th at no one has any body parts in the
sweep of thesteering wheel. #
Movethe adjustment le ver of thesteer‐
ing wheel if there is a risk of becoming
trapped bythesteering wheel.
The adjustment process is stopped. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. Seats and
stowing 103 

Ve
hicles with memory function: you can stop
th e adjustment process bypressing one of the
memory function position buttons.
If th e easy entry andexitfeature is active, the
st eering wheel will mo veupwards in thefo llow‐
ing situations:
R you swit chthe ignition off
R you open the driver's door when the ignition
is switched on
The steering wheel mo ves back tothe last drive
position in thefo llowing cases:
R you swit chthe ignition on when the driver's
door is closed
R you close the driver's door when the ignition
is switched on
The last drive position is stored in thefo llowing
situations:
R you swit chthe ignition off
R Vehicles with memory function: save the
seat settings via the memory function. Ve
hicles with memory function: press one of
th e memory function sa ved position buttons to
st op the adjustment process. Setting
the easy entry and exitfeature Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Easy Entry/Exit #
Select Steering wheel only orOff. Operating
the memory function &
WARNING Risk of an accident if the
memory function is used while driving
If yo u use the memory function on the driv‐
er's side while driving, you could lose cont rol
of theve hicle as a result of the adjustments
being made. #
Only use the memory function on the
driver's side when theve hicle is station‐
ar y. &
WARNING Risk of entrapment when set‐
ting the seat with the memory function
When the memory function adjusts the seat
or steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. #
During the setting procedure of the
memory function, ensure that no body
parts are in the sweep of the seat or
th esteering wheel. #
If somebody becomes trapped, immedi‐
ately release the memory function posi‐
tion button.
The adjustment process is stopped. &
WARNING Risk of entrapment if the
memory function is activated bychildren
Children could become trapped if they acti‐
va te the memory function, particularly when
unattended. #
Never lea vechildren unat tended in the
ve hicle. 104
Seats and stowing 

#
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. The memory function can be used when
the igni‐
tion is switched off.
St oring
Seat adjustments for up tothre e people can be
st ored and called up using the memory function.
The following sy stems can be selected:
R Seat, backrest and head restra int
R Steering wheel
R Outside mir rors
R Head-up display #
Set the seat, thesteering wheel, the head-up
display and the outside mir rors to the
desired position. #
Press memory button M toge ther with one of
preset position buttons 1,2 or 3.
An acou stic signal sounds. The settings are
st ored. #
Tocall up: press and hold there leva nt pre‐
set position button 1,2 or 3 until the front seat,
thesteering wheel, head-up display and
outside mir ror are in thestored position. St
ow age areas Note
s on loading theve hicle &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
boot lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the boot lid. #
Never drive with the boot lid open. &
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants. Seats and
stowing 105 

Setting a speed
see Cruise control
Setting summer time .............................. 290
Setting the da teform at .......................... 290
Setting the distance unit ........................ 295
Setting the map scale
see Map
Setting the sound profile
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 386
Shift paddles see Steering wheel gearshift paddles
Shifting gears
Gea rshift recommendation .................. 16 4
Short messages see Text messa ges
Side impact airbag .................................... 39
Side impact pr otection ............................ 214
Side windo ws............................................. 82
Au tomatic function ................................ 83
Child saf ety lock in there ar .................. .65
Closing .................................................. 82 Closing using
theke y ............................ .84
Con venience closing .............................. 84
Con venience opening ............................ 84
Opening .................................................82
Opening with theke y ............................ .84
Problem .................................................85
Ra in-closing feature .............................. .83
Ski/snowboard bag ................................. 11 0
Sliding sunroof Automatic functions .............................. 87
Closing .................................................. 86
Closing using theke y ............................ .84
Opening .................................................86
Opening with theke y ............................ .84
Problem .................................................88
Ra in closing function ............................ .87
Smart card Inserting ..............................................3 83
Smartphone Locking theve hicle ................................ 72
Unlocking theve hicle ............................72
Smartphone see Android Auto
see Apple CarPlay™ see Mercedes-Benz Link
see
Telephone
Snow chains ............................................ 428
Soc ket (12 V) ............................................ 11 7
Fr ont centre console ............................ 11 7
Re ar .................................................... .117
Soc ket (230 V) .......................................... 11 8
Re ar passenger compartment .............. 11 8
Software update ...................................... 298
Impor tant sy stem updates .................. 299
Information .......................................... 298
Pe rforming .......................................... 298
Sound PRE-SAFE ®
Sound ................................. 46
Wheels and tyres ................................. 428
Sound see Burmes ter®
sur round sound sy stem
see Tone settings
Sound settings Automatic volume adjustment ............ .384
Spare wheel see Emer gency spa rewheel
Spectacles compa rtment ...................... .107 572
Index