
or
- When theve hicle is towing a trailer and
th ere is a risk of a rear impact.
R The brakes are not applied:
- Whilst driving.
or
- When entering or exiting a parking space
using Parking Pilot. Information on PRE-
SAFE®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front-seat vehicle occupant's upper body
to wa rdsth e cent reoftheve hicle. It does this by
ra pidly inflating an air cushion in the outer seat
side bols ter of the seat backrest on the side on
which the impact is anticipated. This increases
th e dis tance between the door and theve hicle
occupant.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, the display message PRE-SAFE impulse side inoperative See Owner's Manual
is dis‐
pla yed (→ page 438). Children in
theve hicle Note
s onthe safe transportation of children &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R Releasing the parking brake.
R Shifting the automatic transmission out
of park position jor shifting the manual
transmission into neutral.
R Starting the engine.
In addition, they may operate vehicle equip‐
ment. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
connect me web app. &
WARNING This poses an increased risk
of death due toheat strokeorexposure
to cold in theve hicle
If persons – particularly children – ‑ experi‐
ence prolonged exposure toextremely high
or low temp eratures, this poses a risk of
injury or evenfa ta l injur y. #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. &
WARNING Risk of bu rns when thech ild
seat is exposed todirect sunlight
If th ech ild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up. Occupant saf
ety45

R
Shifting the automatic transmission out
of park position jor shifting the manual
transmission into neutral.
R Starting the engine.
In addition, they may operate vehicle equip‐
ment. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
connect me web app. &
WARNING This poses an increased risk
of death due toheat strokeorexposure
to cold in theve hicle
If persons – particularly children – ‑ experi‐
ence prolonged exposure toextremely high
or low temp eratures, this poses a risk of
injury or evenfa ta l injur y. #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are tra velling in theve hicle, they
could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out of theve hicle and be hit by
oncoming traf fic.
R Ope rate ve hicle equipment and become
trapped, forex ample. #
Alw ays activate thech ild saf ety loc ks
ins talled if children are tra velling in the
ve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the "Digital Car
Key in the smartphone"
function is activated via the Mercedes
connect me web app. Child saf
ety loc ksare available forth ere ar doors
and forth ere ar side wind ows.
The child saf ety lock on there ar doors secures
each door separatel y.The doors can no longer
be opened from the inside. 62
Occupant saf ety

Key
Overview of
key functions &
WARNING ‑ Thereis a risk of accident
and injury if you lea vechildren unat ten‐
ded in theve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment.
Moreo ver,th ech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake
R shifting the automatic transmission out of
park position P jor shifting manual
transmission into idle position.
R starting the engine. #
Never lea vechildren or animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Battery check lamp
3 Unloc ks
4 Opens/closes the boot lid
The key loc ksand unlo cksth efo llowing compo‐
nents:
R The doors
R The boot lid
R The fuel filler flap
If yo u do not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
R The vehicle is loc ked again. 64
Opening and closing

R
ifyo u shift the transmission toano ther trans‐
mission position
R when driving fasterthan 15 km/h
R ifyo u press the button forth e outside mir ror
on the driver's side Saving
the pa rking position of the passenger
outside mir ror Requ
irement:
Re versege ar must not be engaged when storing
using the memory button. #
Tosto reusing the memory but ton: select
th e passenger outside mir ror using button
2. #
Movethe passenger outside mir ror into the
desired parking position using button 1. #
Press memory button M. #
Confirm immediately using button 1to
st ore the setting. %
No more than thre e seconds may pass
between pressing memory button M and
button 1. The mir ror setting process is can‐
celled af terth re e seconds. Ac
tivating/deactivating the automatic mir ror
fo lding function Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Auto. fold-in mirrors #
Activate Oor deacti vate ª the function. Operating
the sun visors Light and sight
13 9

Driving
Swit
ching on the po wer supp lyor ignition
using thest art/s top button &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out of theve hicle and be hit by
oncoming traf fic.
R Ope rate ve hicle equipment.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R Releasing the parking brake.
R Shifting the automatic transmission out
of park position jor shifting manual
transmission into idle position.
R Starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
connect me web App. #
Keep theke ys out of there ach of chil‐
dren. This also applies tomobile
phones if the "Digital Car Key in the
smartphone" function is activated via
th e Mercedes connect me web App. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning. #
Never 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
quirements:
R The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key in the smartphone"
function is activated via the Mercedes me
connect web App: the mobile phone is loca‐
te d in theve hicle. Driving and parking
15 3

#
Toswitch on the po wer supp ly:press but‐
to n1 once.
Yo u can now activate the windscreen wipers,
fo rex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
R The driver's door is open.
R You press but ton1 twice. #
Toswitch on the ignition: press button 1
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:
R You do not start theve hicle within
15 minutes.
R You press but ton1 once. St
arting theve hicle St
arting theve hicle with thest art/s top but‐
ton
Requ irements:
R The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key in the smartphone"
function is activated via the Mercedes me
connect web App: the mobile phone is loca‐
te d in theve hicle. #
Vehicles with manual transmission:
Depress the clutch pedal. #
Vehicles with automatic transmission:
Shift the transmission toposition jori. #
Depress the brake pedal and push button 1
once. #
Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
once. #
Ifth eve hicle still does not star t:start the
ve hicle in emer gency operation mode.
St arting a vehicle with a mobile phone (NFC)
Re quirements:
R The vehicle is equipped with the "Digital Car
Ke y in the smartphone" function.
R The "Digital Car Key in the smartphone" func‐
tion is activated via the Mercedes me con‐
nect web app: http://www.mercedes.me.
R Suitable mobile phone with NFC aerial (Near
Field Communication) and Secure Element.
R Sufficient charge leve l of the mobile phone.
On some mobile phones, the function is also
av ailable when the battery is dischar ged. 15 4
Driving and pa rking

If
th eve hicle does not star t: #
Lea vekey1 in mar ked space 2. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
% You can also swit chon the po wer supp lyor
th e ignition with thest art/ stop button. Ru
nning-in no tes To
preser vethe engine during thefirs t1, 500 km:
R drive at varying road speeds and engine
speeds.
R drive in drive program Cor E.
R change gear before there v counter needle is
Ô ofthewa yto there d area of there v coun‐
te r.
R do not shift down a gear manually in order to
brake.
R avoidoverstra ining theve hicle, e.g. driving at
full thro ttle.
R vehicles with automatic transmission: do
not depress the accelera tor pedal past the
pressure point (kickdown). R
only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
1, 500 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing running-in
no tes:
R In cer tain driving and driving saf ety sy 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.
R Brake linings, brake discs and tyres that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom etre s of driving. Com‐
pensate forth ere duced braking ef fect by
applying greaterfo rc eto the brake pedal. Driving tips
&
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 tr avel or block a depressed pedal.
This jeopardises the operating and road
saf ety of 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 forthe
pedals. #
Do not lay multiple floor mats or car‐
pets on top of one ano ther. 15 6
Driving and pa rking

#
Never 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
TECausing wearto the brake linings
by permanently depressing the brake
pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine when sta‐
tionar y.Pull away immediatel y. #
Avoid high engine speeds and full thro t‐
tle until the engine has reached its
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 smo othly 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-trea tedro ads:
R due 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.
R maintain a much greater dis tance totheve hi‐
cle in front.
To preve nt salt build-up:
R brake occasionally while paying attention to
th e tra ffic conditions. R
carefully depress the brake pedal at the end
of the journey and when starting the next
journe y.
Plug-in hybrid: make sure that youre ad the
separate Owner's Manual. Otherwise, you may
fa ilto recognise dangers. ECO
start/s top function Ope
ration of the ECO start/s top function
The engine is switched off au tomatical ly:
R Vehicles with manual transmission: Ifyou
brake theve hicle, shift into neutral iwhen
tr ave lling at a low speed and then release the
clutch pedal.
R Vehicles with automatic transmission: If
yo u brake theve hicle toast andstill in trans‐
mission position hori.
R If all vehicle conditions for an auto matic
engine stop are met.
The è symbol appears in the multifunction
display when theve hicle is stationar y.If not all 15 8
Driving and pa rking