
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 

#Depress theb rake pedal and star tt he vehicle
using thes tart/s topb utton.
% Youc an also switchon thep ower suppl yor
th ei gnition wit hthe start/ stop button.
Information on Hill StartA ssist
Hill StartA ssisth olds thev ehicle when pulling
aw ay on ahill under thef ollowing conditions:
RThe transmission is in position hork.
RThe electric parking brak eisreleased.
&
WARNING Risk of accident and injury
caused bythev ehicle rolling away
Af teras horttime, Hill StartA ssistnol onger
holds thev ehicle and it can rollaw ay.
#Therefore, swiftl ymove your foot from
th eb rake pedal tothea ccelerator
pedal. Ne vera ttem pttolea vethev ehi‐
cle if it is being held byHillStart Assist.
Driving tips
Note sonb reaking-in anew vehicle
To preser vethee ngine during thef irst
1, 000 mile s(1,500 km):
Rdriv eatv arying road speeds and engine
speeds.
Rdriv ethe vehicle in driv eprogram Cor E.
Rdo no tshif td ow nag ear manually in order to
brake.
Ravo idove rstraining thev ehicle, e.g. driving at
full thro ttle.
Rdo no tdepress thea ccelera torp edalp ast
th ep ressur epoint (kickdown).
Rgradually increase thee ngine speed only
af te r1 ,000 miles (1,500k m).
Please also observ ethe following breaking-in
no tes:
RIn cer tain drivinga nd drivings afet ys ystems,
th es ensor sadjus tautomaticall ywhile acer‐
ta in dis tance is being driven af tert he vehicle
has been delivered or af terr epairs. Full sys‐ te
me ffecti venes sisn otachie vedu ntil the
end of this teach-in process.
RBrak elinings, brak edisksa nd tires that are
either ne worhavebeen replaced onl yach‐
ie ve optimum braking ef fect and grip af ter
se veralh undred kilom eter sofd riving. Com‐
pensat efor ther educed braking ef fect by
applying greaterf orce totheb rake pedal.
Driving tips
& WARNING Risk of accident duet o
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avelorb lockad epressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle.
#Stow all object sinthevehicle securely
so that they canno tget intot he driver's
fo ot we ll.
#Alw aysi ns tallth ef loor mats securely
and as prescribed in order toensure
th at ther eisa lway ss ufficient room for
th ep edals.
130
Driving and pa rking 

&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 

Configuring driveprogram I
Multimedia sy stem:,Vehicle.e DYNAMIC
SELECT.Individual
#Select Drive,Suspension ,Steering orECO
Start/Stop .
#Selectthei ndividual setting.
Displaying vehicl edata
Multimedi asystem:,Vehicle.e DYNAMIC SELECT
#Select Vehicle Data.
Displaying engine data
Multimedia sy stem:,Vehicle.e DYNAMIC SELECT
#Select Engine Data.
% The values fore ngine outpu tand engine tor‐
qu em aydeviat efromt he nominal values. Items
that can influence this are, fore xamp le:
REngines peed
RSea level
RFu el grade
ROutside temp erature
Automatic transmission
DIREC TSELECT selector le ver
Fu nction of theD IRECT SELECT le ver
&
WARNING Risk of accident and injury
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
ROpe ndoors,t hereb yendangering other
persons or road users
RGe tout of thev ehicle and be hit by
oncoming traf fic
ROperat evehicle equipment
In addition, thec hildren could also se tthe
ve hicle in motion, fore xamp le,by:
RRe leasing thep arking brake
RShifting thet ransmission out of park
position j
RStartin gthe engine.
#Ne verlea ve children and animals unat‐
te nde dint hevehicle.
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
#Ke ep theS martK eyout of ther eac hof
ch ildren.
&
WARNING Risk of accident duetoi ncor‐
re ct gearshifting
If th ee ngine speed is higher than thei dle
speed and youe ngaget he transmission posi‐
tion hork,t hevehicle ma yaccelerate
sharply.
Driving and parking 13
5 

#In particular,do no tparkond rygrass‐
land or har vested grain fields.
&
WARNING Risk of accident and injury
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unaccompanied in the
ve hicle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
RRe leasing thep arking brake.
RShifting thet ransmission out of park
position j.
RStartin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment.
#Ne verlea ve children and animals unat‐
te nde dint hevehicle.
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
* NO
TEDama getothev ehicle or thed riv‐
et ra in caused bythev ehicle rolling away
#Alw aysp roper lysecur ethe vehicle
agains trolling away.
#On uphillord ownhill gradients, tur nthe front
wheels towa rdst he curb.
#Press button 1(USA) or 2(Canada) once. %
When yous witch offt he vehicle, youc an still
opera tethes ide windo wandthep anoramic
sliding sunroof forf ivem inutes.
Garag edoor opener
Prog rammin gbutton sfor th egarag edoor
opener
& WARNING Risk ofexhaus tgas poisoning
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases causes poisoning.
#Ne verlea ve thee ngine running in an
enclose dspace wi thout suf ficient venti‐
lation.
& WARNING Risk of injury and entrapment
when openin gthe garage door using the
ga rage door opener
When youo perat eorp rogram theg arage
door wit hthe integrated garage door opener,
persons in ther ang eofm ovement of the
Driving and pa rking 14
1 

Prerequisite
The corresponding button is programmed to
operat ethe garage door.
#Press and hold buttons 1,2or3 until
th eg arag edoor opens or closes.
#When indicator lamp 4flashes yellow: press
th ep reviously pressed but tona gain until the
ga rage door opens or closes. Clearing
theg arag edooro penerm emory
#Press and hold buttons :and ;.
Indicator lamp =lights up yello w.
#If indicator lamp =flashes green: release
buttons :and ;.
Electric pa rking brake
Au tomaticall yapplying the electric parking
brake
& WARNING Risk of accident and injury
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unaccompanied in the
ve hicle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
RRe leasing thep arking brake.
RShifting thet ransmission out of park
position j.
RStartin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment.
#Ne verlea ve children and animals unat‐
te nde dint hevehicle.
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
14 4
Driving and pa rking