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SmartKey
Overview of SmartK eyfunctions
&
WARNING ‑ Danger of accident or injury
if ch ildren are left unatte nded intheve hi‐
cle
If ch ildren are left unatte nded intheve hicle,
th ey could:
Ropen doo rs,th ereby endangering other
persons or road users.
Rge t out of theve hicle and be hit by
oncoming traf fic.
Rope rate ve hicle equipment.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
Rreleasing the parking brake.
Rshifting the automatic transmission out of
park position P jor shifting manual
transmission into idle position.
Rst arting the engine.
#Ne ver lea vechildren and animals unat‐
te nded in theve hicle.
#When leaving theve hicle, alw aysta ke
th eke ywit hyo u and lock theve hicle.
#Ke ep theve hicle keyout of there ach of
ch ildren.
* NO
TEDama getotheke ycaused by
magnetic fields
#Ke ep theke yaw ay from strong mag‐
netic fields.1Loc ks
2Battery check lamp
3Unloc ks
4Opens/closes the trunk lid
5Pa nic alarm
The Smart Keyloc ksand unlo cksth efo llowing
components:
RThe doors
RThe trunk lid
RThe fuel filler flap
Opening and closing 55
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Unlocking/locking the driver's door using
th e emer gency key
%
Ifyo uwish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key.
#Insert the emer gency keyin to opening 1in
th e co ver.
#Pull and hold the door handle.
#Pull the co ver on the emer gency keyas
st ra ight as possible away from theve hicle
until it releases.
#Re lease the door handle.
#To unlock :turn the emer gency keycounter -
clo ckwise toposition 1.
#Tolock: turnthe emer gency keyclo ckwise to
position 1.
#Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly.
Tr unk
Opening the trunk lid
&
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.
Opening and closing 63
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ProblemPossible causes/consequences and MSolutions
Ve hicles with a panoramic sliding
sunroof: The sliding sunroof or the
ro ller sunblind does not opera te
smoo thly.
#Pull the3 button down repeatedly tothe point of resis tance until the sliding sunroof is fully closed.
#Pull the3 button for ano ther second.
#Pull and hold the3 button down until thero ller sunblind is comple tely closed.
#Pull the3 button for ano ther second.
#Use automatic operation tofully open and then close the sliding sunroof.
Anti-theft pr otection
Immobilizer
The immobilizer pr events your vehicle from being
st ar ted without the cor rect key.
The immobilizer is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on.
When leaving theve hicle, alw aysta ke theke y
with you and lock theve hicle. An yone can start
th e engine if a valid keyhas been lef tinside the
ve hicle.
% Intheeve ntthat the engine cannot bestar‐
te d (y etthest ar ter battery is charge d), the
sy stem is not operational. Contact an authorized Mercedes-Benz Center or call
1-800-FO
R-MERCedes (in the USA) or
1-800-387-0 100 (in Canada).
ATA (anti-theft alarm system)
Fu nction of theATA system (anti-theft ala rm
sy stem)
If th eATA system is armed, a visual and audible
alarm is triggered in thefo llowing situations:
RA door is opened.
RThe trunk lid is opened.
RThe hood is opened. The
ATA sy stem is armed automatically af ter
appr oximately 10seconds:
RAfter locking theve hicle with the SmartK ey.
RAf ter locking theve hicle using KEYLESS-GO.
78
Opening and closing
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Correct driver's seat position
&
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.
Obser vethefo llowing when adjusting steering
wheel 1, seat belt 2and driver's seat 3:
RYou are as faraw ay from the driver's air bag
as possible
RYo u are sitting in a no rmal upright position
RYour thighs are slightly supportedby the seat
cushion
RYo ur legs are not entirely stre tched and you
can dep ress the pedals properly
RThe back of your head is support ed ateye
le ve lby the center of the head restra int
RYo u can hold thesteering wheel with your
arms slightly bent
RYo u can mo veyour legs freely
RYo u can see all the displa ysinthe instrument
clus ter clearl y
RYou should ha vea good overview of traf fic
conditions
RThe seat belt is pulled snug lyagainst the
body and must be routed across the center
of your shoulder and across your hips in the
pelvic area
80 Seats and stowing
Page 86 of 486
#Toselect 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.
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 head restra ints on the front
seats
& 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.
84
Seats and stowing
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Switchingthe seat ventilation on/off
Re quirement:Rthe po wer supp lyis switched on
#To switch on/increase the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
Depending on theve ntilation le vel, up to
th re e indicator lamps light up.
#To switch off/reduce the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
If all indicator lamps are off, the seat ventila‐
tion is switched off.
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
steering 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.
90
Seats and stowing
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#Tocall up: press and hold there leva nt pre‐
set position button 1,2 or 3 until the front
seat is in thestored position.
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.
&
WARNING Risk of burn s fromtailpipes
and tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If you come into contact with these
parts of theve hicle, you could burn yourself.
#Alw ays be particular lycareful around
th eta ilpipe and theta ilpipe trim.
#Allow theve hicle parts tocool down
before youto uch them.
94
Seats and stowing
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Exterior lighting
Lighting systems and your responsibility
The various lighting sy stems of theve hicle are
only aids. The driver of theve hicle is responsible
fo r cor rect vehicle illumination in accordance
with the pr evailing light and visibility conditions,
legal requirements and traf fic situation.
Light switch
Opera ting the light switch
#1W Left-hand standing lamp
#2 X Right-hand standing lamp
#3 T Parking lights and license plate
lighting
#4 Ã Automatic driving lights (prefer red
light switch position)
#5 L Low beam/high beam
#6R Switches there ar fog light on or off
When low beam is activated, the indicator lamp
fo rth e parking lights is deactivated and replaced
by the low beam indicator lamp.
Alw ays park your vehicle safely and in a well-lit
area, in accordance with there leva nt le galst ipu‐
lations.
* NO
TEBattery discharging byoperating
th est anding lights
Operating thest anding lights over a period of
hours puts a stra in on the batter y.
#Where possible, switch on the
ri ght X or left Wparking light.
Inthe case of se vere battery discharging, the
parking lamps or standing lamps are automati‐
cally switch ed offtofacilitate a futu reengine
st art.
10 8
Light and visibility