
must be located in marked 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.
Note s on breaking-in a new vehicle
Mercedes-AMG vehicles: make sure that you
re ad the separate operating instructions. Other‐
wise, you may failto recognize dangers.
To preser vethe engine during thefirs t
1, 000 miles (1,500 km):
RDrive at varying road speeds and engine
speeds.
RDrive in drive program Cor E.
RMo veup a gear before theta ch ome ter nee‐
dle is Ôofthewa yto there d area of the
ta ch ome ter.
RDo not shi ftdown a gear manually in order to
brake.
RAv oid overstraining theve hicle, e.g. driving at
full thro ttle.
RDo not depress the accelera tor pedal past
th e pressure point (kickdown).
ROnly increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
1, 000 miles (1,500 km).
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing breaking-in
no tes:
RIn cer tain driving and driving saf etysy stems,
th e sensors adjust automatically while a cer‐
ta in dis tance is being driven af terth eve hicle
has been delivered or af terre pairs. Full sys‐
te m ef fectiveness is not achie ved until the
end of this teach-in process.
RBrake linings, brake discs and tires that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom eters of driving. Com‐
pensate forth ere duced braking ef fect by
applying greaterfo rc eto the brake pedal.
Note s on driving
&
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tra vel or block a depressed pedal.
This jeopardizes the operating and road
saf etyof theve hicle.
#Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll.
#Ensure floor mats and carpets cannot
slip and pr ovide suf ficient room forth e
pedals.
#Do not lay multiple floor mats or car‐
pets on top of one ano ther.
14 6
Driving and pa rking

&WARNING Risk of accident due to
unsuit ablefoot we ar
Operation of the pedals may be restricted
due tounsuitable foot we ar such as:
RShoes with platfo rmsoles
RShoes with high heels
RSlippers
#When driving alw ayswe ar suitable
shoes in order tobe able tooperate the
pedals safel y.
&
WARNING Risk of accident due tothe
ignition being switched off whilst the
ve hicle is in motion
If yo uswit choff the ignition whilst theve hi‐
cle is in motion saf ety-re leva nt functions will
be restricted or no longer available. This may
ef fect the po werst eering sy stem and brake
fo rc e boosting, forex ample.
Yo uwill need touse cons iderablymoreforc e
to steer and brake.
#Do not switch off the ignition whilst the
ve hicle is in motion.
&
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 of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift do wnon slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction.
#Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect.
&
DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case if theve hicle getsst uck
in snow ,fo rex ample.
#Ke ep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning.
#Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air.
& WARNING Risk of accident and injury
due tobeing under the influence of alco‐
hol and drugs while driving
Driving when under the influence of alcohol
and/or drugs is an extreme lydangerous
combination. Even small quantities of alcohol
or drugs may af fect your reflexe s, perception
and judgment.
Driving and parking 14
7

ECOstart/s top function
Opera tion of the ECO start/s top function
Mercedes -AMG vehicles: make sure that you
re ad the separate operating instructions. Other‐
wise, you may failto recognize dangers.
The engine is au tomatical lyswitched off if the
fo llowing conditions are me t:
RIfyo ubr ake theve hicle toast andstill in
transmission position hori.
RIf all vehicle conditions for an au tomatic
engine stop are met.
The è symbol appears in the multifunction
display when theve hicle is stationar y.
The engine is restar ted automatically if:
RYo ure lease the brake pedal with the trans‐
mission in position hwhen the HOLD func‐
tion is not active.
RYo u shift from transmission position j.
RYou enga getransmission position hork.
RYoudepr essthe accelerator pedal.
RYo uch ange theve hicle le vel.
RAn automatic engine start is necessar y.
If th e engine was switched off bythe ECO start/
st op function and you lea vetheve hicle, a warn‐
ing tone sounds. The 9 H K L F O H 2 S H U D W L R Q D O 6 Z L W F K
W K H , J Q L W L R Q 2 I I % H I R U H ( [ L W L Q J displaymessage
also appears in the multifunction displa y.Ifyo u
do not switch off the ignition, the ignition is
automatically switched off af ter one minute. Deactivating or activating
the ECO start/
sto p function
#Press button 1.
If indicator la mp2lights up, the ECO start/
st op function is switched on.
% Depending on the model, the button may
also be located at a dif fere nt position in the
center console.
Driving and park ing14
9

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 of accident due toincor‐
re ct gearshifting
If th e engine speed is higher than the idle
speed and you enga gethe transmission posi‐
tion hork, theve hicle may accelerate
sharply.
#If yo u enga gethe transmission position
h ork always depress the brake
pedal firm lyand do not accelerate at
th e same time.
Use the DIRECT SELECT le verto shift the trans‐
mission position. The cur rent transmission posi‐
tion is displ ayed in the multifunction displa y.
jPark position
kReversege ar
iNeutra l
hDrive position
En gaging reve rsege ar R
#Depress the brake pedal and push the
DIRECT SELECT le ver up past thefirs t point
of resis tance.
The transmission position displ aysho wsk
in the multifunction displa y.
Shifting toneutral N
#Depress the brake pedal and push the
DIRECT SELECT le ver up or down tothefirs t
point of resis tance.
The transmission position displ aysho wsi
in the multifunction displa y.
Subsequently releasing the brake pedal will
allow youto mo vetheve hicle freel y,e.g. topush
it or tow it away.
If yo uwa ntthe automatic transmission to
re main in neutral N even if the ignition is
switched off:
#St art theve hicle.
15 2
Driving and pa rking

#Depress the brake pedal and shift toneutral
i.
#Re lease the brake pedal.
#Switch the ignition off.
% Ifyo uth en exitth eve hicle leaving the
SmartK eyintheve hicle, the automatic trans‐
mission remains in neutral i
Engaging park position P
#Press button 1.
The transmission position display sho wsj
in the multifunction displa y.
Pa rk position jis engaged automatically if one
of thefo llowing conditions is me t:
RIfyo uswit chthe engine off with the trans‐
mission in position hork.
RIfyo u open the driver's door when theve hi‐
cle is stationary or when driving at a very low
speed and the transmission is in position h
or k.
Engaging drive position D
#Depress the brake pedal and push the
DIRECT SELECT le ver down past thefirs t
point of resis tance.
The transmission position displ aysho wsh
in the multifunction displa y.
When the automatic transmission is in transmis‐
sion position h, it shiftsthege ars automati‐
call y.This depends on thefo llowing factors:
RThe selected drive program
RThe position of the accelera tor pedal
RThe road speed
Manual gearshifting
&
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift do wnon slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction.
#Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect.
Driving and park ing15
3

#Immediatelyrinse fuel off your skin wit h
soap and water.
#If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately.
#If yo u sw allow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing.
#Change immediately out of clo thing that
has come into con tact wi thfuel.
&
WARNING Risk ofexplosion or fire due
to electros tatic charge
Electros taticch arge can cause spark s and
th ereby ignite fuel vapors.
#Alw aysto uch the me talve hicle body
before opening the fuel filler cap or
to uching the pump nozzle.
This dischar ges any electros tatic charge that
may ha vebuilt up.
* NO
TEDama gecaused bythe wrong fuel
Fu elthat does not con form totherequ ired
qu ality can lead toinc reased wear as well as
damage tothe engine and exhaust sy stem.
#Only use the fuel recommended.
* NO
TEDama gecaused bythe wrong fuel
Ve hicles with a gasoline engine:
Even small amounts of the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem.
#Only refuel with lo w-sulfur premium
grade fuel.
This fuel may contain up to10 %ethanol.
Yo ur vehicle is suitable for use with E10 fuel.
Do not refuel using:
RDiesel
RE15, E85, E100
RGasoline containing me thanol (M15, M30,
M85, M100)
RGasoline with additives con taining me tal
If yo u accidenta llyrefuel with the wrong fuel:
#Do not switch the ignition on.
#Consult a qualified specialist workshop.
* NO
TEDo not use diesel torefuel vehi‐
cles with a gasoline engine.
Ifyo u accidenta llyrefuel with the wrong fuel:
RDo not switch on the ignition. Otherwise,
fuel can enter the fuel sy stem.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high.
#Contact a qualified specialist workshop.
#Ha ve the fuel tank and fuel lines
drained compl etely.
15 6
Driving and pa rking

RThe seat belttongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
RThere is a sy stem malfunction.
RThe po wer supp lyis insuf ficient.
RThe vehicle is stationary for a lengt hyperiod.
When the electric parking brake is applied, the
F (USA) or !(Canada) indicator lamp
lights up in the instrument clus ter.
The electric parking brake is not automatically
applied if the engine is switched off bythe ECO
st art/ stop function.
Re leasing the electric pa rking brake auto‐
matically
The elect ric park ing brake is released when the
fo llowing conditions are fulfilled:
RThe engine is running.
RThe seat belt tongue is inser ted into the seat
belt buckle of the driver's seat.
RThe transmission is in position hork and
yo udepr essthe accelera tor pedal or you shift from transmission position
jtoh or
k.
RIf th e transmission is in position k,the
trunk lid must be closed.
If th e seat belt tongue is not inser ted into the
seat belt buckle of the driver's seat, thefo llow‐
ing conditions must be fulfilled:
RThe driver's door is closed.
RYo u mo vethe transmission out of transmis‐
sion position joryou ha veprev iously
driven fasterthan 2 mph (3 km/h).
RIfth e transmission is in position k,the
trunk lid must be closed.
If th e elect
ric parking brake is released, the
F (USA) or !(CANADA) indicator lamp in
th e instrument clus ter goes out. Applying or
releasing the electric pa rking
brake manually
#To appl y:push handle 1.
The F (USA) or !(Canada) indicator
lamp appears in the instrument clus ter.
#To release: switch on the ignition.
16 4
Driving and pa rking

#Pull handle1.
The F (USA) or !(Canada) indicator
lamp in the instrument clus ter goes out.
Emer gency braking
#Press and hold handle 1.
When theve hicle has been braked toa
st andstill:
RThe electric parking brake is applied.
RThe F (USA) or !(Canada) indica‐
to r lamp appears in the instrument clus‐
te r.
Note s on parking theve hicle for an extended
period
If yo u lea vetheve hicle par kedfo r longer than
fo ur we eks, the battery may become damaged.
If yo u lea vetheve hicle par kedfo r longer than six
we eks, it may suf fer dama geas a result of lack
of use.
% Further information can be obtained at a
qu alified specialist workshop.
St andby mode (extension of the star ter bat‐
te ry 's period out of use)
St andby mode function
If standby mode is activated, theve hicle can be
par kedfo r an extended pe riod of time without
losing po wer.
St andby mode is characterized bythefo llowing:
Rth est ar ter battery is preser ved.
Rthe maximum period out of use is displa yed
in the multimedia sy stem displa y.
Rfunctions such as interior pr otection or tow-
aw ay protection are not available.
Rthe connection toonline services is inter rup‐
te d.
If th efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
Rth e engine is switched off.
Rthe ignition is switched on.
Exceeding theve hicle's displa yed period out of
use may cause incon venience, i.e. it cannot be guaranteed
that thest ar ter battery will reliably
st art the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
Rth eve hicle's period out of use must be
ex tended.
Rth e % D W W H U \ &