
R
malfunctions and defects in impor tant sys‐
te m components, e.g. lights, brakes
R vehicle reactions and operating conditions in
special driving situations, e.g. airbag deploy‐
ment, inter vention of stability control sys‐
te ms
R ambient conditions, e.g. outside temp erature
This data is of an exclusively tech nical natu re
and can be used to:
R assist in de tecting and rectifying faults and
defects
R anal yseve hicle functions, e.g. af ter an acci‐
dent
R optimise vehicle functions
The data cannot be used totrace theve hicle's
mo vements.
When your vehicle is serviced, tech nical informa‐
tion can be read from theeve nt da tamemory
and fault data memor y.
Services include, forex ample:
R repair services
R service processes R
warranty events
The vehicle is read out byemplo yees of the
service network (including the manufacturer)
using special diagnostic devices. You can obtain
more information there, if requ ired.
Af ter a fault has been rectified, the information
is dele ted from thefa ult memory or is continu‐
ally overwritten.
When operating theve hicle, situations are con‐
ceivable in which this tech nical da ta, in connec‐
tion with other information (if necessar y,after
consultation wi than authorised expert), could be
traced toa person.
Examples include: R accident reports
R damage totheve hicle
R witness statements
Fu rther additional functions that ha vebeen con‐
tractually agreed upon with the cus tomer allow
cer tain vehicle data tobe con veye dby theve hi‐
cle as well. The additional functions include, for
ex ample, vehicle location in case of an emer‐
ge ncy. Co
pyright
Information on free and open source software
licences foryo ur vehicle's software can be found
on the data storage medium in your vehicle
document wallet and on the Internet toge ther
with updates:
http://www.mercedes-benz.com/opensource 26
General no tes

%
You can obtain fur ther information on the
cor rect child restra int sy stem at any
Mercedes-Benz Service Centre. Child saf
ety loc ks Ac
tivating/deactivating the child saf ety lock
fo r the rear side windo ws &
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 transmission out of park
position j
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. &
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 e side win‐
do ws inthere ar. 56
Occupant saf ety

%
You can check the suitability of your mobile
phone byentering the phone number at
https://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
Service Centre or on the Internet at http://
www.mercedes-benz.com/connect.
% The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
% Protective cases around the mobile phone
can impair the functionality. #
Touch the door handle on the driver's door in
th e area where NFC aerial 1is located with
th e part of the mobile phone where the NFC
aerial is located.
The vehicle is loc ked or unloc ked alternately.
If yo u lose your mobile phone, deactivate the
"Digital Car Key in the smartphone" service in
Mercedes me connect at https://
www.mercedes.me. %
Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions. Lo
cking and unlocking theve hicle with KEY‐
LESS-GO Re
quirements:
R The key must be outside theve hicle.
R The dis tance between theke y and theve hicle
must not exceed 1 m.
R The driver's door and the door at which the
door handle is used must bo thbe closed. 64
Opening and closing

R
Suf ficient charge leve l of the mobile
phone. On some mobile phones, the function
is also available when the battery is dis‐
ch arge d.
% You can check the suitability of your mobile
phone byentering the phone number at
http://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
service centre or at http://www.mercedes-
benz.com/connect.
% Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions.
% The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
% Protective cases around the mobile phone
can impair the functionality. #
Make sure that thech arge leve l of the mobile
phone is suf ficient. If necessar y,ch arge the
mobile phone before starting the journe y. St
arting theve hicle for the firs t time af ter
activating the function #
Make sure that there is a valid vehicle key in
th eve hicle. #
Place the mobile phone in stowage space 1
so that the NFC aerial areas touch each
ot her. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
% The key is not needed for any fur ther starts. Any fu
rther starts #
Place the mobile phone in stowage space 1
so that the NFC aerial areas touch each
ot her, and lea veitth ere while driving. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
The "Digital Car Key in the smartphone" service
can be deactivated in Mercedes me connect on
th e https://www.mercedes.me. The function is
th en deactivated in the smartphone via an online
connection. If connection tothe Internet is not
possible, e.g. af terth e mobile phone has been
st olen, theke y function can be deacti vated at a
Mercedes-Benz Service Centre.
St arting theve hicle in emer gency operation
mode
If th eve hicle cannot be star ted, thePlace the
key in the marked space See Owner's Manual
display message appears in the multifunction
displa y. 14 2
Driving and pa rking

ex
haust gas af tertre atment tofunction properly,
only use AdBlue ®
in accordance wi thISO 222 41 .
Ad Blue ®
is ch aracterised bythefo llowing:
R non-t oxic
R colourless and odourless
R non-flammable
Ad Blue ®
av ailability
R AdBlue ®
may be topped up byfast service at
a qu alified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
R AdBlue ®
is available at many filling stations
from AdBlue ®
filling pumps.
R Alternativel y,Ad Blue ®
is available at qualified
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations
in Ad Blue ®
re fill canis ters or AdBlue ®
re fill
bottles.
% Ensure the connection between there fill
con tainer and vehicle filler neck does not
drip. To
pping up AdBlue ®
* NOTEEngine dama gedue toAd Blue ®
in
th e fuel #
AdBlue ®
must not be used tofill the
fuel tank. #
Only use AdBlue ®
to fill th eAd Blue ®
ta nk. #
Do not overfill theAd Blue ®
tank. *
NO
TEContamination of theve hicle inte‐
ri or due toAd Blue ®
lea kage #
Afterto pping up, carefully close the
Ad Blue ®
re fill con tainer. #
Avoid car rying AdBlue ®
re fill con tainers
permanently in theve hicle. Re
quirements:
The following announcements appear in order in
th e multifunction display when theAd Blue ®
tank
requ irestopping up:
R Refill AdBlue See Owner's Manual . The
Ad Blue ®
tank is running on reser ve.
R Refill AdBlue No start in XXX mi. You can still
drive theve hicle overth e dis tance shown.
To p up AdBlue ®
as soon as possible.
R Refill AdBlue Start not possible. The vehicle
can no longer be star ted.
The vehicle must be unloc ked. 15 8
Driving and pa rking

R
The forc e of the impact
The following situations can lead toinadver tent
acti vation:
R The pa rked vehicle is mo ved, forex ample in a
double-de cker garage
% Deactivate tow- aw ay protection in order to
pr eve nt inadver tent acti vation. If you deacti‐
va te tow- aw ay protection, damage de tection
will also be deactivated.
Sy stem limitations
De tection may be restricted if:
R The vehicle is damaged without impact, for
ex ample if an outside mir ror is torn off or the
paint is damaged byakey.
R Impact occurs at low speed.
R The electric parking brake is not applied.
Information on Mercedes me connect and other
services: http://www.mercedes.me. Pa
rking up theve hicle If
yo u lea vetheve hicle par ked up for longer than
fo ur we eks, the battery may be damaged.
If yo u lea vetheve hicle par ked up for longer than
six weeks, it may suf fer dama geas a result of
lack of use.
Information on parking up your vehicle can be
obtained at a qualified specialist workshop. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
All vehicles except E 350:
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 characterised bythefo llowing:
R thest ar ter battery is preser ved.
R the maximum period out of use is displa yed
in the multimedia sy stem displa y.
R functions such as interior pr otection or tow-
aw ay protection are not available. R
the 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:
R the engine is switched off.
R the 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:
R theve hicle's period out of use must be
ex tended.
R theBattery charge insufficient for standby
mode message appears in the multimedia
sy stem displa y.
% Standby mode is automatically deactivated
when the ignition is switched on.
Ac tivating or deactivating standby mode
All vehicles except E 350: 16 8
Driving and pa rking

R
Distance Pilot DISTRONIC (→ page 183)
Ve hicles with Traf fic Sign Assist and Wide‐
sc reen Cockpit: detected instructions and traf‐
fi c signs appear in the speedome ter
( → page 219).
* NO
TEEngine damage due toexc essively
high engine speeds The engine will be damaged if
you drive with
th e engine in theov errevving range. #
Do not drive wi th the engine in theove r‐
re vving range. The fuel supply is inter
rupted toprotect the
engine when there d band in rev counter 3
(o ve rrev ving range) is reached.
During no rmal operating conditions, coolant
te mp erature display 4may rise to120 °C. &
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe engine compartment,
you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. Ve
hicles with cert ain engines R
E-POWER 1shows th e electrical drive sup‐
port as a percentage. R
CHARGE 2showsthe electric mo tor's recu‐
peration per form ance as a percen tage.
õ showsthe drive sy stem's operational read‐
iness . Overview of
the but tons on thest eering
wheel 1
Button group:
% Main menu and ba ckbutton (on-board
computer)
8 Switches sound off/on
W Increases thevo lume Instrument Display and on-board computer
235

X
Decreases thevo lume
2 Touch Control (on-board co mputer)
3 Touch Control (multimedia sy stem)
4 Button group:
% Main menu and back button (multime‐
dia sy stem)
ó LINGU ATRO NIC or Voice Cont rol Sys‐
tem
6 Makes/accepts a call
~ Rejects/ends a call Ope
rating the on-board co mputer &
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tions equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating the on-board computer.
% The on-board computer displa ysappear in
th e multifunction display (→ page 237). The on-board computer is operated using
Touch
Control 2and back but ton1 onthe left-hand
side of thesteering wheel.
The following menus are available:
R Service
R Assistance
R Trip
R Navigation
R Radio
R Media
R Telephone
R Vehicles with an instrument display in
th e widescreen cockpit: Content
R HUD
R Vehicles with an instrument display in
th e widescreen cockpit: Design
The menus can be called up from the menu bar
in the multifunction displa y.236
Instrument Display and on-board computer