
Seats
Adjusting the front seat electrically
&
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 e SmartK eywith you and lock the
ve hicle.
#Ne ver lea vechildren unatte nded inthe
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.
#Make sure when adjusting a seat that
no one has any body parts in the sweep
of the seat.
Obser vethe saf etyno tes on "Airbags" and "Chil‐
dren in theve hicle".
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, 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.
Children in particular could accidenta lly
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 injury duetohead
re stra ints which are not ins talled or are
adjus ted incor rectly
If head restra ints are not ins talled or are
adjus ted incor rectly, the head restra ints can‐
not pr ovide pr otection 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.
Seats and stowing 85

#Save the settings with the memory function
(→page 96).
% The head restra int height is adjus ted auto‐
matically when you adjust the seat height or
th e seat fore -and-aft position.
Ad justing the front passen ger seat from the
driver's seat electrically
Re quirements:RTo select the front passenger seat: the po wer
supply is switched on.
Yo u can call up thefo llowing functions forth e
front passenger seat:
RSeat adjustment
RSeat heating
RSeat ventilation
RMemory function
#To select the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected.
#Ad just the front passenger seat using the
buttons in the door control panel on the driv‐
er's side.
Head restra ints
Ad justing the front seat head restra ints man‐
ually
& WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
Seats and stowing 87

Switchingthest eering wheel heater on/off
Re quirementsRThe po wer supply or the ignition is switched
on.
#Tu rn the le ver in the direction of ar row1or
2.
If indicator lamp 3lights up, thesteering
wheel heater is switched on.
Easy entry and exitfeature
Fu nction of the easy entry and exitfeature
&
WARNING Risk of accident when driving
off while adjusting the easy exitfeature
‑ If youdr ive off while the easy ent ryand exit
fe ature is making adjustments, you could
lose cont rol of theve hicle.
#Alw ayswa it until the adjustment proc‐
ess is comple tebefore driving off.
&
WARNING Risk of becoming trapped
while adjusting the easy ent ryand exit
fe ature
When the easy ent ryand exitfeature adjusts
th esteering wheel and the driver's seat, you
and other vehicle occupants – particular ly
ch ildren – could become trapped.
#During the adjustment process of the
easy ent ryand exitfeature, make sure
th at no one has any body parts in the
sweep of the seat or thesteering wheel.
If th ere is a risk of becoming trapped bythe
st eering wheel:
#Mo vethe adjustment le ver of thesteer‐
ing wheel.
The adjustment process is stopped.
If th ere is a risk of becoming trapped bythe
driver's seat:
#Press the seat adjustment switch.
The adjustment process is stopped.
Ve hicles with memory function: You can stop
th e adjustment process bypressing one of the
memory position buttons of the memory func‐
tion.
& WARNING Risk of becoming trapped
duri ng acti vation of the easy ent ryand
ex itfeature bychildren
If ch ildren activate the easy ent ryand exit
fe ature, they can become trapped, part icu‐
lar lywhen unat tended.
Seats and stowing 95

#Never lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
Ifth e easy ent ryand exitfeature is active, the
st eering wheel will mo veupwar dsand the driv‐
er's seat will mo veback in thefo llowing situa‐
tions:
RYo uswit chthe ignition off when the driver's
door is open
RYo u open the driver's door when the ignition
is switched off
% The steering wheel mo ves upwards only if it
has not already reached the upper stop. The
driver's seat mo ves backwards only if it is
not already in there armost position.
The steering wheel and the driver's seat mo ve
back tothe last drive position in thefo llowing
cases:
RYo uswit ch th e power supply or the ignition
on when the driver's door is closed
RYo u close the driver's door when the ignition
is switched on
The last drive position is stored in thefo llowing
situations:
RYo uswit chthe ignition off
RVe hicles with memory function: Call up
th e seat settings via the memory function.
RVe hicles 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 & Seat ,Steering
Wheel Only orOff.
Using 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.
#Use the memory function on the driv‐
er's side when theve hicle is stationar 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.
96
Seats and stowing

#If somebody becomes trapped, immedi‐
atelyrelease 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.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th eke ywit hyo u and lock theve hicle.
The memory function can be used when the igni‐
tion is switched off.
St oring
The memory function is only available in vehicles
with the memory pac kage .
Seat adjustments for up tothre e people can be
st ored and called up using the memory function. The
following settings can be stored forth e front
seats:
RSeat, backrest, head restra int position and
con tour of the seat backrest in the lumbar
re gion
RAc tive multicontour seat: side bols ters of the
seat backrest, shoulder of the seat backrest,
conto ur ofthe seat backrest, dynamic func‐
tion le vel
RSeat heate r:distribution of the heated sec‐
tions of the seat cushion and seat backrest
RDriver's side: steering wheel position and
position of the outside mir rors on the driver's
and front passenger sides
RHead-up Display#Set the seat, thesteering wheel, the head-up
display and the outside mir rorto the desired
position.
#Brief lypress memory button M and then
press preset position button 1,2 or 3 within
th re e seconds.
An acoustic signal sounds. The settings are
st ored.
Seats and stowing 97

#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.
% Ifyo ure lease the preset position button, the
seat, steering wheel and mir ror setting func‐
tions stop immediatel y.
Ve hicles with an Active Multicon tour
Seat Package: The setting of the active mul‐
ticon tour seat or the 4-w aylumbar support
is still car ried out.
Ve hicles without theAc tive Multicon tour
Seat Package: Adjustment of the 4-w ay
lumbar support is still car ried out.
St ow age areas
Note s on loading theve hicle
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
trunk lid is open when the engine is running,
especially if theve hicle is in motion.
#Alw ays switch off the engine before
opening the trunk lid.
#Ne ver drive with the trunk lid open.
&
WARNING Risk of injury from unsecured
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.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction.
#Alw aysstow objects in such a wayth at
th ey cannot be thro wn around.
#Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r.
&
WARNING Risk of injury from incorrectly
stowe d objects
If objects in theve hicle interior are stowed
incor rectly, they can slide or be throw n
around and hit vehicle occupants. In addi‐
tion, cup holders, open stowage spaces and
mobile phone brac kets cann otalw aysre tain
all objects they contain.
There is arisk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction.
#Alw aysstow objects so that they can‐
not be throw n around in such situa‐
tions.
#Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets.
#Close the loc kable stow age spaces
before starting a journe y.
#Alwaysstow and secure heavy, hard,
pointe d, sharp-edged, fragile or bulky
objects in the trunk.
98
Seats and stowing

3Active Dis tance Assist DISTRONIC acti ve,
speed stored, no vehicle de tected (gr ayvehi‐
cle symbol)
4Ac tive Dis tance Assist DISTRONIC acti ve,
speed stored, vehicle de tected (green vehi‐
cle symbol)
5Ac tive Dis tance Assist DISTRONIC and route-
based speed adap tation acti ve, speed stored
% On highw ays or high-speed major roads, the
green çvehicle symbol is displa yed cycli‐
cally when theve hicle is ready topull away.
Speedome ter
The stored speed is highlighted on the speedom‐
et er. If the speed of theve hicle ahead or the
speed adjustment is less than thestored speed
due tothero ute event ahead, the segments in
th e speedome ter light up. Activation or deacti va‐
tion of Active Dis tance Assist DISTRONIC, as
we ll as alterations in thestored speed and the
dis tance tobe maintained, are displa yed in the
individual control feedback of the multifunction
displa y. Ac
tive Steering Assist status display
1Gr ay steering wheel: Active Steering Assist
switched on and passive
2Green steering wheel: Active Steering Assist
switched on and active
3Ye llow steering wheel flashing: transition
from active topassive status (sy stem limita‐
tion de tected or prom pttothe driver to
actively con firm )
During the transition from the active topassive
st atus, symbol 3is shown as enlar ged and
fl ashes yello w. Once the sy stem is passive, sym‐
bol 1is shown as gr ayinthe multifunction dis‐
pla y.
Information on Hill Start Assist
Hill Start Assist holds theve hicle for a short
time when pulling away on a hill under thefo l‐
lowing conditions:
RThe transmission is in position hork.
RThe elect ric park ing brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelera tor pedal
and depress it before theve hicle begins toroll.
&
WARNING Risk of accident and injury
caused bytheve hicle rolling away
Af ter a short time, Hill Start Assist no longe r
holds theve hicle and it can rollaw ay.
#Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist.
Driving and parking 17
3

Blind Spot Assist..................................... 198
Ac tivating/deactivating .......................2 00
Fu nction .............................................. 198
Sy stem limitations .............................. .198
Blue tooth
®
Ac tivating/deactivating .......................2 40
Setting up an Internet connection ....... 294
Settings ............................................... 240
Switching profile (DUN/PAN) .............. 295
Blue tooth
®audio
Ac tivating .............................................3 12
De-authorizing (de-regis tering) the
device .................................................. 312
Information .......................................... 309
Overview .............................................. 310
Searc hingfor a track ........................... 312
Searc hingfor and au thorizing the
device .................................................. 311
Selecting a music pl ayer ..................... .312
Switching device via NFC ..................... 312
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
No tes .................................................. 398 Brake
forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 155
Brakes ABS (Anti-lo ckBraking Sy stem) ........... 152
Ac tive Brake Assi st.............................. 155
BA S (Brake Assist
System) ..
................152
Driving tips .......................................... 132
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 155
HOLD function .....................................1 74
Limited braking ef fect (salt-treate d
ro ads) .................................................. 132
New/replaced brake linings/brake
discs .................................................... 131
No tes on breaking-in a new vehicle ..... 131
Braking assistance see BAS (Brake Assist System)
Breakdown Assis tance overview .............................. 18
Changing a wheel ................................ 385
Ro adside Assis tance ............................. 23
To w- starting ........................................ 357
To wing away ........................................ 353
Tr ansporting theve hicle ......................3 55Breakdown
see Flat tire
Burmes ter
®high-end Sur round sound
sy stem
Ad justing the balance/fader ............... 322
Ad justing the sound optimization ........ 322
Ad justing treble, mid-range and bass
settings ................................................ 321
Au tomatic volume adjustment ............ .322
Calling up the sound menu .................. 321
Information .......................................... 32 1
Set
ting the sound profile ..................... 322
Burmes ter
®sur round sound sy stem .....3 20
Ad justing the balance/fader ............... .321
Ad justing the sound focus ................... 321
Ad justing treble, mid-range and bass
settings ................................................ 321
Au tomatic volume adjustment ............ .321
Callin g upthe sound menu .................. 320
Information .......................................... 320
Switching the sur round sound on/off
............................................................ .321
Buttons Steering wheel .................................... 205
468
Index