
000E
NO
TEDeployment of the seat belt ten‐
sioner when the front passenger seat is
unoccupied If
th e seat belt tongue is engaged in the seat
belt buckle of the unoccupied front
passenger seat, the seat belt tensioner may
also depl oyintheev ent of an accident along
with other sy stems. 0007
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 (0013 page 36). Re
leasing a seat belt 0007
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:
0018 Vehicle 0019
î Vehicle settings
0019 Belt adjustment 0007
Activate 0073or deacti vate 0053 the function. Seat belt
warning function for the driver and
front passen ger The
00E9 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
(0013 page273). 36
Occupant saf ety 

Switching
thest eering wheel heater on or off Re
quirements:
R The ignition is switched on. 0007
Turn the le ver in the direction of ar row1or
2.
If indicator lamp 3lights up, thesteering
wheel heater is switched on. When
you swit ch the ignition off, thesteering
wheel heater switches off. Easy entry and
exitfeature Using
the easy entry and exitfeature 000A
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. 0007
Alw ayswa it until the adjustment proc‐
ess is comple tebefore pulling away. 000A
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. 0007
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. 0007
Movethe adjustment le ver of thesteer‐
ing wheel if there is a risk of becoming
trapped bythesteering wheel.
The adjustment process is stopped. 000A
WARNING Risk of becoming trapped
du ring acti vation of the easy entry and
ex itfeature bychildren
If ch ildren activate the easy entry andexit
fe ature, they can become trapped, pa rticu‐
lar lywhen unat tended. 0007
Never lea vechildren unat tended in the
ve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. Ve
hicles with memory function: you can stop
th e adjustment process bypressing one of the
memory function position buttons. 108
Seats and stowing 

If
th e easy entry andexitfeature is active, the
st eering wheel will mo veupwards or towa rdsthe
dashboard in thefo llowing situations:
R you swit chthe ignition off
R you open the driver's door
0009 The steering wheel mo ves upwards and
to wa rdsth e dashboard only if it has not
already reached thesteering limiter.
The steering wheel mo ves back tothe last drive
position in thefo llowing cases:
R you close the driver's door when the ignition
is switched on
R you press thest art/ stop button once.
The last drive position is stored in thefo llowing
situations:
R you swit chthe ignition off
R you sa vethe setting with the memory func‐
tion
If yo u press one of the memory function position
buttons, the adjustment process is stopped. Setting
the easy entry and exitfeature Multimedia sy
stem:
0018 Vehicle 0019
î Vehicle settings
0019 Easy Entry/Exit 0007
Select Steer. wheel and seat, Steering wheel
only orOff. Operating
the memory function 000A
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. 0007
Only use the memory function on the
driver's side when theve hicle is station‐
ar y. 000A
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. 0007
During the setting procedure of the
memory function, ensure that no body
parts are in the sweep of the seat or
th esteering wheel. 0007
If somebody becomes trapped, immedi‐
ately release the memory function posi‐
tion button.
The adjustment process is stopped. 000A
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. 0007
Never lea vechildren unat tended in the
ve hicle. Seats and
stowing 109 

0007
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 0007
Set the seat, thesteering wheel, the head-up
display and the outside mir rors to the
desired position. 0007
Press memory button M and then press pre‐
set position button 1,2 or 3 within thre e sec‐
onds.
An acoustic signal sounds. The settings are
st ored. 0007
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.
0009 When youre lease the preset position button,
st eering wheel, the seat and mir ror setting
functions stop immediatel y.The head-up dis‐
play continues tobe adjus ted. St
ow age areas Note
s on loading theve hicle 000A
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 theta il‐
gate is open when the engine is running,
especially if theve hicle is in motion. 0007
Alw ays switch off the engine before
opening theta ilgate. 0007
Never drive with theta ilgate open. 11 0
Seats and stowing 

De-authorising (de-regis
tering) the
device .................................................. 393
Information .......................................... 391
Overview .............................................. 391
Sear ching for a track ........................... 393
Sear ching for and auth orisingthe
device .................................................. 392
Selecting a media pla yer ..................... 393
Switching device via NFC .................... 393
Boot lid see Tailgate
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid
No tes ................................................... 484
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 209
Brakes ABS (Anti-lock Braking Sy stem) ........... 205
Ac tive Brake Assi st.............................. 210
Ad aptive brake lights .......................... .216
BA S (Brake Assi stSystem) .................. 205
Driving tips .......................................... 173EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 209
HOLD function .....................................2 32
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 173
New/replaced brakepads/brake
discs .................................................... 172
Ru nning-in no tes ..................................1 72
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 16
To w- starting ........................................ 446
To wing away ........................................ 442
Tr ansporting theve hicle ......................4 44
Wheel change ...................................... 464
Breakdown see Flat tyre
Breakdown assistance call see Mercedes me connect
Bu rm ester ®
sur round sound sy stem .....4 06
Ad justing the balance/fader ............... 407
Ad justing the sound focus ................... 407 Ad
justing treble, mid-range and bass
settings ............................................... 406
Au tomatic volume adjustment ............ .406
Calling up the sound menu .................. 406
Information .......................................... 406
Switching the sur round sound on/off
............................................................ .407
Buttons Steering wheel .....................................2 72 C
Call list Making a call ...................................... .359
Overview ............................................. 359
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 406
Calls ..........................................................3 55
Ac cepting ............................................ 355
Ac tivating functions du ring a call ........ 355
Calls wi thseveral participants ............ .355
Declining ............................................. 355
Ending a call ........................................ 355
Incoming call during an existing call .... 356
Making ................................................ 355 Index
565 

Setting
the map scale
see Map
Shift paddles see Steering wheel gearshift paddles
Shifting gears
Gea rshift recommendation .......... 182, 186
Short messages see Text messa ges
Side impact airbag .................................... 37
Side impact pr otection .......................... .238
Side windo ws............................................. 86
Au tomatic function ................................ 87
Child saf ety lock in there ar .................. .69
Closing .................................................. 86
Closing using theke y ............................ 88
Con venience closing ............................. 88
Co nvenience opening ............................87
Opening .................................................86
Opening with theke y ............................ .87
Problem .................................................88
Ra in-closing feature .............................. .87
Ro ller sunblind ...................................... 85
Ski/snowboard bag .................................116 Sliding sunroof
.......................................... 90
Au tomatic functions .............................. 92
Closing .................................................. 90
Closing using theke y ............................ 88
Opening ................................................ .90
Opening with theke y ............................ .87
Problem .................................................93
Ra in closing function ............................ .92
Smart card Inserting ..............................................4 05
Smartphone Locking theve hicle ................................ 76
Un locking theve hicle ............................76
Smartphone see Android Auto
see Apple CarPlay™
see Mercedes-Benz Link
see Telephone
Snow chains ............................................ 450
Soc ket (12 V) ............................................ 12 9
Fr ont centre console ........................... 12 9
Load compartment .............................. 13 0
Re ar .................................................... .129 Soc
ket (230 V) ......................................... 12 9
Re ar .................................................... .129
Software update ...................................... 317
Impor tant sy stem updates ...................3 18
Information ..........................................3 17
Pe rforming ...........................................3 18
Sound PRE-SAFE ®
Sound ................................. 44
Wheels and tyres ................................. 450
Sound see Burmes ter®
sur round sound sy stem
see Tone settings
Sound settings Adjusting the balance/fader ............... 406
Ad justing treble, mid-range and bass
settings ............................................... 406
Au tomatic volume adjustment ............ .406
Spare wheel see Collapsible spa rewheel
see Emer gency spa rewheel
Spectacles compa rtment ........................ 11 2
Speech dialogue sy stem
see LINGU ATRO NIC 592
Index