#Press button1repeatedly until the indica‐
to r lamp in the button 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.
Ad justing the 4-w aylumbar support
1Toraise
2To sof ten
3To lowe r
4To harden
#Using buttons 1to4, adjust the conto ur
of the backrest individually tosuit your bac k.
Headrestra 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
#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.
86
Seats and stowing
#Toswitch on/increase the le vel/
decrease the le vel:press button 1repeat‐
edly until the desired ventilation le vel is set.
Depending on theve ntilation le vel, up to
th re e indicator lamps light up.
#To switch off: press button 1repeatedly
until all the indicator lamps go out.
Ste ering wheel
Adjusting the steering wheel manually
&
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 entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#To unlock thest eering column: push
re lease le ver1 down comple tely.
#Ad just height 2and di stance tosteering
wheel 3.
#Tolock thest eering column: pushrelease
le ve r1 up as far as it will go.
#Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel.
92
Seats and stowing
Theexterior lighting (e xcept parking and stand‐
ing lamps) switch es off automatically when the
driver's door is opened.
Au tomatic headlamp mode
The pa rking lights, low beam and daytime run‐
ning la mps are switched on or off automatically
depending on the ignition status, whe ther the
engine is running and on the ambient light.
&
WARNING Risk of accident when the low
beam is switched off in poor visibility
When the light switch is set toÃ, the low
beam may not be switched on automatically
if th ere is fog, snow or other causes of poor
visibility such as spr ay.
#In such cases, turn the light switch to
L.
The automatic driving lights are only an aid. You
are responsible forve hicle lighting.
Ac tivating/deactivating the rear fog light
Re quirement
The light switch is in theL orà position.
#Press theR button.
Please obser vethe count ry-specific la wsonthe
use of rear fog lamps.
Operating the light combination switch
1High beam
2Turn signal light, right
3High-beam flasher
4Tu rn signal light, left
#Pull or push the combination switch in the
re leva nt di rection following the ar row.
Switching on the high beam manually
#Ve hicles with Adaptive Highbeam Assis t:
Tu rn the light switch totheL position.
RPress the combination switch be yond the
pressure point in the direction of
ar ro w 1.
When the high beam is activated, the indicator
lamp for low beam is deactivated and replaced
by the indicator lamp forth e high beam.
#To switch off the high beam: movethe
combination switch back toits starting posi‐
tion.
#To indicate briefl y:press the combination
switch briefly up tothe pressure point in the
direction of ar row2or4.
The cor responding turn signal light flashes
th re e times.
Light and visibility 11
3
%The duration of the color change varies
depending on the usage conditions.
Mir rors
Operating the outside mir rors
&
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 accident due tomis‐
judgment of dis tances when using the
passenger mir ror
The outside mir ror on the front passenger
side reflects objects on a smaller scale. The
objects in view are in fact closer than they
appear.
As a result, you may misjud gethe dis tance
between you and thero ad user driving
behind you, forex ample, when changing
lanes.
#Therefore, alw ays look over your shoul‐
der in order toensure that you are
aw are of the actual dis tance between
yo u and thero ad users driving behind
yo u.
#To fold in or out: brieflypress button 1.
% Ifth e battery has been disconnected or com‐
ple tely discharged ,th e outside mir rors must
be reset. Only then will the automatic mir ror
fo lding function workproperly.
#To adjus t:select therequ ired mir ror using
button 3or4.
120
Light and visibility
Driving
Switching on the po wer supp lyor ignition
using thest art/s top button
&
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
ROpen doo rs,th ereby endangering other
persons or road users
RGet out of theve hicle and be hit by
oncoming traf fic
ROperate vehicle equipment
In addition, thech ildren could also set the
ve hicle in motion, forex ample, by:
RRe leasing the parking brake
RShifting the transmission out of park
position j
RStarting the engine.
#Ne ver lea vechildren and animals unat‐
te nded in theve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ke ep the SmartK eyout of there ach of
ch ildren.
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning.
#Ne ver lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation.
& WARNING Risk offire caused byflam‐
mable material on theex haust sy stem
Flammable materials brought in byeither ani‐
mals or environmen tal influences may ignite
if th ey come into contact wi thhot parts of
th e engine or exhaust sy stem.
#Therefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem.
Re quirementsRThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
Driving and parking 12
9
#Toswitch on the po wer supp ly:press but‐
to n1 (USA) or 2(Canada) once.
Yo u can now act ivate the windshield wiper,
fo rex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
RThe driver's door is open.
RYoupr ess butto n1 (USA) or 2(Canada)
twice.
#To switch on the ignition: press button 1
(USA) or 2(Canada) twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
RYoudo not start theve hicle within
15 minutes.
RYoupr ess butto n1 (USA) or 2(Canada)
once.
St arting theve hicle
Starting theve hicle with thest art/s top but‐
to n
Requ irements
RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
#Shift the transmission toposition jori.
#Depress the brake pedal and push button 1
(USA) or 2(Canada) once.
#Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
(USA) or 2(Canada) once.
#Ifth eve hicle still does not star t:start the
ve hicle in emer gency operation mode.
Cooling or heating the vehicle interior before
st arting the jou rney
If yo ustart theve hicle via your smartphone, the
pr ev iously selecte d climate control setting is
active. Before
starting, make sure:
RThe legal stipulations in the area where your
ve hicle is par ked permit engine starting via
smartphone.
RIt is safe tostart and runth e engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star ter battery has suf ficient charge .
% You can also set thete mp erature with your
smartphone. Info rm ation on Mercedes me
connect and other services: http://
www.mercedes.me.
St arting theve hicle using a smartphone
&
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work.
13 0
Driving and pa rking
#Always secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work.
Re quirementsRPark position jis selected.
RThe anti- theft alarm sy stem is not armed.
RThe panic alarm is not armed.
RThe hazard warning lights are switched off.
RThe engine hood is closed.
RThe doors are closed and loc ked.
RThe windo wsand sliding sunro of are closed.
#Start theve hicle using the smartphone:RAf tereve ryvehicle start, the engine runs for
te n minu tes.
RYo u can car ryout a maximum of two consec‐
utive starting attem pts.
RYo u can stop theve hicle again at any time.
RFu rther information can be found inthe
smartphone app. Securing
the engine against starting before
car rying out maintenance or repair work:
#Switch on the hazard warning lights.
or
#Un lock the doors.
or
#Open a side window or the sliding sunroof.
St arting theve hicle in emer gency operation
mode
If th eve hicle cannot be star ted, the 3 O D F H W K H
. H \ L Q W K H 0 D U N H G 6 S D F H 6 H H 2 S H U D W R U
V 0 D Q X D O
display message appears in the multifunction
displa y.
#Make sure that mar ked space 2is em pty.
#Re mo veSmartK ey1 from theke yring.
#Place Smart Key1 in mar ked space 2.
The vehicle will start af ter a short while.
If yo ure mo veSmartK ey1 from mar ked
space 2the engine continues running. For
fur ther vehicle starts ho wever,SmartK ey1
must be located in mar ked space 2during
th e entire journe y.
#Have SmartK ey1 checked at a qualified
specialist workshop.
If th eve hicle does not star t:
#Lea veSmartK ey1 in mar ked space 2.
#Depress the brake pedal and start theve hicle
using thest art/ stop button.
% You can also switchon the po wer supp lyor
th e ignition with thest art/ stop button.
Driving and parking 13
1
&WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il.
#Ne ver use the brake pedal as a foot re st.
#Do not depress the brake pedal and the
accelerator pedal at the same time
while driving.
* NO
TEWearing out the brake linings by
continuously dep ressing the brake pedal
#Do not depress the brake pedal contin‐
uously whilst driving.
#To use the braking ef fect of the engine,
shift toa lo werge ar in good time.
* NO
TEDama getothe driv etra in and the
engine when pulling away
#Do not warm upthe engine when the
ve hicle is stationar y.Pull away immedi‐
atel y.
#Avoid high engine speeds and driving at
full thro ttle until the engine has reached
operating temp erature.
#Do not allow the wheels tospin.
* NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel
The engine is not running smoot hly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter.
#Only depress the accelera tor pedal
slightl y.
#Have the cause rectified immediately at
a qu alified specialist workshop.
Limited braking ef fect on salt-treate dro ads:
RDue tosalt build-up on the brake discs and
brake lining, the braking dis tance can
increase conside rably or result in braking
only on one side.
RMaintain a much greater dis tance totheve hi‐
cle in front.
To preve nt salt build-up:
RBrake occasionally while paying attention to
th e tra ffic conditions.
RCarefully depress the brake pedal at the end
of the journey and when starting the next
journe y.
ECOstart/s top function
Opera tion of the ECO start/s top function
The engine is switched off au tomatical ly:
RIf yo ubr ake theve hicle toast andstill in
transmission position hori.
RIf all vehicle conditions for an au tomatic
engine stop are met.
13 4
Driving and pa rking