#Toswitc hont he powersupp ly:press but‐
to n1 (USA) or 2(Canada )once.
Yo uc an no wactivat et he windshield wiper,
fo re xamp le.
The po wersupp lyis switched of fagain if thef ol‐
lowing condition sareme t:
RThe driver's door is open.
RYoup ress butto n1 (USA) or 2(Canada)
twice.
#To switc hont he ignition: press button1
(USA) or 2(Canada) twice.
The indicator lamps in thei nstrument clus ter
light up.
The ignition is switched of fagain if one of the
fo llowing condition sismet:
RYo udon otstar tt he vehicle within
15 minutes.
RYoup ress butto n1 (USA) or 2(Canada)
once.
St arting thev ehicle
Starting thev ehicle wit hthe start/s topb ut‐
to n
Requ irements
RThe SmartK eyis located in thev ehicle and
th eS martK eybatter yisnotdischar ged.
#Shif tthe transmission toposition jori.
#Depress theb rake pedal and push button 1
(USA) or 2(Canada) once.
#Ifth ev ehicle does no tstart:s witc hoffnon-
essential consumer sand press button 1
(USA) or 2(Canada) once.
#Ifth ev ehicle still does no tstart:s tart the
ve hicle in emer gency operation mode.
Coolin gorheatingthe vehicl einterior before
st arting thej ou rney
If yo us tart thev ehicle via your smartphone, the
pr ev iousl yselecte dclimat econtrol setting is
active.
Befor estarting, mak esure:
RThe legal stipulation sinthe area wher eyour
ve hicle is par kedp ermit engin estartin gv ia
smartphone.
RIt is saf etostart and runt he engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star terb atter yhas been suf ficiently
ch arge d.
12 8
Driving and pa rking
Starting thev ehicle using asmartphone
&
WARNING Risk of crushing or entrap‐
ment duetou nintentional startin goft he
engine
Limbs could be crushed or trapped if the
engine is star tedu nintentionall yduring
service or maintenanc ework.
#Alw ayss ecur ethe engine agains tunin‐
te ntional startin gbefor ecarrying out
maintenance or repair work.
Re quirementsRPark position jis selected.
RThe anti- thefta larms ystemisn otarmed.
RThe panic alar misnotarmed.
RThe hazar dwarning lightsa reswitched off.
RThe engin ehood is closed.
RThe door sareclosed and loc ked.
RThe windo wsand slidings unroof ar eclosed.
#Startt he vehicle using thes martphone:
RYouc an car ryout amaximum of tw oconsec‐
utiv estartin ga ttem pts.
RYo uc an stop thea gain vehicle an ytime.
Securing thee ngine agains tstarting be fore
car rying out maintenance or repair work:
#Switc hont he hazar dwarning lights.
or
#Un loc kthe doors.
or
#Open theh ood.
St arting thev ehicle in eme rgency operation
mode
If th ev ehicle canno tbestarted, thePlace the
Key in the Marked Space See Operator's Manual
displa ymessag eappear sinthe multifunction
displa y.#Makesuret hat stow ages pace 2is em pty.
#Re mo veSmartK ey1 from thek eyring.
#Place Smart Key1 inthes towa ge space 2.
The vehicle will star ta fter as hor twhile.
If yo ur emo veSmartK ey1 from stowage
space 2thee ngine continues running .For
fur ther vehicle starts ho wever,SmartK ey1
mus tbel ocated in stowages pace 2during
th ee ntir ejourne y.
#Have SmartK ey1 checkedataq ualified
specialis tworks hop.
If th ev ehicle doe snotstar t:
#Lea veSmartK ey1 instow ages pace 2.
Drivin gand parking 12
9
&WARNING Risk of accident duetoa n
ove rheated brak esystem
If yo ur esty our foot on theb rake pedal whilst
driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayfail.
#Ne veru se theb rake pedal as afootrest.
* NO
TEWearing out theb rake linings by
continuously dep ressing theb rake pedal
#Do no tdepress theb rake pedal contin‐
uousl ywhils tdriving.
#To use theb raking ef fect of thee ngine,
shif ttoa lowe rgear in good time.
* NO
TEDama getothed rive trai nand the
engine when pulling away
#Do no twarmupt he engine when the
ve hicle is stationar y.Pull away immedi‐
atel y.
#Avoid high engine speeds and driving at
full thro ttle unti lthe engine has reached
operatingt emperature.
#Do notallowt he wheels tospin.
* NO
TEDama getothec atalytic con verter
due tonon-combu sted fuel
The engine is no trunn ings moot hly and is
misfiring.
Non-combus tedf uel ma ygetintot he cata‐
lytic con verter.
#Onl ydepress thea ccelera torp edal
slightl y.
#Have thec ause rectifie dimmediately at
aq ualified specialis tworks hop.
Limited braking ef fect on salt-treate droads:
Rtheb raking dis tance can increase conside ra‐
bl yd ue tosalt build-up on theb rake disks
and brak elining.
Rmaintain amuchg reater dis tance tothev ehi‐
cle in front. To
preve nt salt build-up:
Rbrak eoccasionally whil epayinga ttention to
th et raffic conditions.
Rcarefull ydepress theb rake pedal at thee nd
of thej ourne yand when startin gthe next
journe y.
ECOstart/s topf unction
Opera tionoft he EC Ostart/ stopfunction
The engine is switched of fautom atical ly:
RIf yo ub rake thev ehicle toas tandstil lin
transmissionp ositionhori.
RIf all vehicle conditions forana utomatic
engine stop ar emet.
The è symbol appear sinthe multifunction
displa ywhen thev ehicle is stationar y.
If th ee ngine is switched of fbythe EC Ostart/
st op function and youo pen thed rive r's door ,a
wa rning tone sounds. The Driver'sDoor Ope n&
Transmission Not in PRiskofV ehicleRolling
Away displaymessage also appear sinthe multi‐
function displa y.
132
Driving and pa rking
The engine isrestar teda utomatically if:
RIn transmission position hori theb rake
pedal is released when theH OLD function is
no ta ctive.
RYous hiftfromt ransmission position j.
RYoue ngager eve rseg ear k.
RYoud epress thea ccelerator pedal.
RYous wit ch todriv eprogram S+.
RAn automatic engine star tisn ecessar y. Deactivating or activating
theE CO start/
st op function
#Press button :.
If indicator lamp ;lightsu p,theE CO start/
st op function is switched on.
ECO display
The EC Odispla ysummarizes thed riving style
from thes tart of thej ourne ytoits completion
and assists youina chievin gthe mos teconomi‐
cal driving style.
Yo uc an influence consum ption if you:
Rdrivew ithp articular care
Rdriv ethe vehicle in driv eprogram E
Robservetheg earshif trecommendations
The inner segment light supgreen and theo uter
segment fills up:
1 moderat eacceleration
Drivinga nd parking 13
3
2gentle deceleration and rolling
3 consis tent speed
The inne rsegment is gr ayand theo uter seg‐
ment em pties:
1 sporty acceleration
2 heavy braking
3 Fluctuation sinspeed
Yo uh ave driven economicall ywhen:
Rthet hree outer segments ar ecomple tely fil‐
led simultaneousl y.
RtheE CO displa yborder lights up.
The additional rang ea chieve dasar esult of your
drivin gstyle in co mparison toad rive rw itha
ve ry sporty driving styleiss hown under Bonus
fr. Start .The rang ed ispl ay ed does no tindicat ea
fi xe dc onsum ption reduction.
DY NA MIC SELECT switch
Function of theD YNAMI CSELECT switch
Use theD YNAMI CSELECT switc htochangethe
fo llowing driv eprograms:
RI( Individual): individualsettings
RS+ (Spor tPlus): particula rlys portyd rivin g
st yle
RS( Sport): sporty driving style
RC( Comfort): comfortable and economical
drivin gstyle
RE(Economy): particularly economical driving
st yle
Depending on thed rive program selected, the
fo llowing vehicle characteristic swillch ange:
RDriv esystem
-Engine and transmission management
-ESP®
-Dis tance Pilo tDISTRONIC
RSuspension
RSteering
RThe availabilityoft he ECOstart/s topf unc‐
tion
Operating theD YNAMI CSELECT switch
#Press DYNA MIC SELECT switch 1forw ards
or backwards.
The driv eprogram selected appea rsinthe
multifunction displa y.
134
Driving and pa rking
The electric parking brakeisapplied if thet rans‐
mission is in position jand one of thef ollow‐
ing condition sisfulfilled:
RThe engin eisswitched off.
RThe seat belt tongueisn otinser tedint he
seat belt buckle and thed rive r's door is
opened.
% Toprev ent application: pull theh andle of the
electric parking brake.
The electric parking brak eisalso applied if one
of thef ollowing condition sisfulfilled:
RDistance Pilo tDISTRONIC bring sthe vehicle
to as tandstill.
RThe HOL Dfunction is keeping thev ehicle sta‐
tionar y.
RParking Pilo tiskeeping thev ehicle station‐
ar y.
In addition, one of thef ollowing condition smust
be fulfilled:
RThe engin eisswitched off.
RThe seat belt tongueisn otinser tedint he
seat belt buckle and thed rive r's door is
opened.
RTher eisas ystemm alfunction.
RThe po wersupp lyis insuf ficient.
RThe vehicle is stationar yfor alengt hyperiod.
When thee lectric parking brak eisapplied, the
F (USA) or !(Canada) indicator lamp
lights up in thei nstrument clus ter.
The electric parking brak eisnotautomatically
engaged if thee ngine is switched of fbythe ECO
st art/ stop function.
Re leasing thee lectric pa rking brak eauto‐
matically
The elect ricp arkin gb rake isreleased when all of
th ef ollowing condition sarefulfilled:
RThe engin eisrunning.
RTh es eatb eltt ongue is inser tedi ntot he seat
belt buckle.
RThe transmission is in position hork and
y
o ud epress thea ccelera torp edalory ou shif
tfromt ransmission position jtoh or
k.
RIf th et ransmission is in position k,the
trunk lid mus tbeclosed.
If th es eat belt tongueisn otinser tedi ntot he
seat belt buckle, thef ollowing condition smust
be fulfilled:
RThe driver's door is closed.
RYo um ovet he transmission out of transmis‐
sion position joryouh ave prev iously
driven faster than 2m ph (3 km/h).
RIfth et ransmission is in position k,the
trunk lid mus tbeclosed.
If th ee lectric parking brak eisreleased, the
F (USA) or !(CANADA) indicator lam pin
th ei nstrument clus terg oes out.
Driving and parking 14
5
Functions of ESP®(Electronic Stability Pro‐
gr am)
&
WARNING Risk of skidding if ESP is mal‐
functioning®
If ESP®is malfunctioning ,ESP®canno tcarry
out vehicle stabilization. In addition,o ther
driving saf etys ystems ar eswitched off.
#Driv eonc arefull y.
#Have ESP®checkedataq ualified spe‐
cialis tworks hop.
&
WARNING Risk of skidding if ESP®is
deactivated
If yo ud eactivat eESP
®,ESP®canno tcarry
out vehicle stabilization.
#ESP®shouldo nly be deacti vatedint he
fo llowing situations.
ESP®monitor sand impr oves driving stabilitya nd
traction,p articularly inthef ollowing situations:
RWhen pullin gawayonw etor slippe ryroads.
RWhen braking.
RIn stro ng sidewinds when youa redrivin g
fast erthan 50 mph(80 km/h).
ESP
®can stabilizet hevehicle byinter vening in
th ef ollowing ways:
ROne or mor ewheels ar ebrake d.
RThe engine output is adap teda ccording to
th es ituation.
ESP
®is deactivated if theE SP®OFF å warn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter:
RDriving stabilityw ill no longe rbeimprove d.
RCrosswind Assis tisnolonger active.
RThe driv ewheels could spin.
RETS/4ET Straction control is still active.
% Even when ESP
®is deactivated, youa restill
assis tedbyE SP®when braking.
ESP
®is inter vening if theE SP®÷ warning
lam pflashes in thei nstrument clus ter:
RDo no tdeacti vate ESP®.
ROnly depress thea ccelera torp edalasf ar as
is necessar y.
RAdapty our driving styletos uitthec urrent
ro ad and weather conditions.
Deactivat eESP
®inthef ollowing situations to
impr ovetraction:
RWhen using sno wchains
RIn deep snow
ROn sand or gr avel
% Spinning thew heels results in acutting
action whic hprovide sbette rg rip.
ESP
®is deactivated if theå ESP®OFFwarn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter.
If th eE SP
®÷ warning lam plightsupc ontinu‐
ousl y,ESP®is no tavailable due toam alfunction.
Observ eanyinformation whic hmaybe displa yed
in thei nstrument clus ter:
RWa rning and indicator lamps (→pag e396)
RDispla ymessages
Drivinga nd parking 14
9
&WARNING Risk of an accident despite
Evasiv eSteering Assist
Evasiv eSteering Assis tcannot alwaysc learly
identify objects and comple xtraffic situa‐
tions.
In addition,t hesteering suppor tofEvasive
St eering Assis tisgenerallyn otsuff icien tto
avo idac ollision.
In suc hcases Evasiv eSteering Assis tcan:
Rgiv eanu nnecessar ywarning or pr ovide
assis tance
Rno tg iveaw arning or no tprovide assis‐
ta nce
#Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on Evasive
St eering Assis talone.
#Be ready tobrak eand take evasive
action if necessar y.
#Preve ntthea ssis tance byactivel ysteer‐
ing in non-critical driving situations.
#Driv eatana ppropriat espeed if pedes‐
trians ar eclose tothep athofy ourvehi‐
cle.
Also obser vethes ystemb order sofE vasive
St eering Assist.
Sy stem borders
Ac tiveB rake Assi stma ybei mpaire dorm aynot
function in thef ollowing situations:
RIn sno w,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatly varying
ambientl ight.
RIfth es ensor saredirty ,fogged up, damaged
or co vered.
RIfth es ensor smalfunction due to otherradar
source inter fere nce, fore xamp lestro ngradar
re flections in parking garage s.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ynotreact cor rectly:
RIn complex traffics tations wher eobjects
canno talway sbec learly identified.
RTopedestrians or vehicles if they mo ve
qu ickl yintot he sensor de tection range.
RTo pedestrians who ar ehidden by other
objects.
RIf th et ypical outline of apedestrian cannot
be distinguished from theb ackg round.
RIfap edestrian isno trecognized as such, e.g.
due tospecial clo thing or other objects.
RIn ne wvehicles or af teras ervice has been
car ried out on ActiveB rake Assi st.
ROn bends wit hatightradius.
Setting Activ eB rake Assi st
Multimedia sy stem:,Vehicle.k Assistance.Active
BrakeA ssist
Ve hicles without DrivingA ssistancePack‐
age: The settings can be made af ters tartin gt he
ve hicle.
Ve hicles with Drivin gAssistanc ePacka ge:
The settings can be made whe nthe ignition is
switched on.
15 6
Driving and pa rking