
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

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

As a
result, Dis tance Pilot DISTRONIC may
nei ther give warnings nor inter vene in su ch
situations. #
Alw ays carefully obser vethe traf fic con‐
ditions and be ready tobrake at all
times. &
WARNING Risk of accident due tolimi‐
te d de tectability of road users and traf fic
situations
Dis tance Pilot DISTRONIC cannot al ways
clear lyidentify other road users and complex
traf fic situations.
In these conditions, Dis tance Pil ot
DISTRONIC may:
R give an unnecessary warning and then
brake theve hicle
R neither give a warning nor inter vene
R accele rate or brake unexpectedly #
Continue driving with care and be ready
to brake, particular lyif Dis tance Pilot
DISTRONIC warnsyo u. &
WARNING Risk of accident due toinsuf‐
fi cient decele ration byDis tance Pilot
DISTRONIC
Dis tance Pilot DISTRONIC brakes your vehi‐
cle with up to50% of the maximum possible
braking po wer.If th is decele ration is not suf‐
fi cient, Dis tance Pilot DISTRONIC alerts you
with a visual and acoustic warning. #
Apply the brakes yourself in these situa‐
tions and try totake evasive action. &
WARNING Risk of accident due toDis‐
ta nce Pilot DISTRONIC still being activa‐
te d when you lea vethe driver's seat
If yo u lea vethe driver's seat while theve hicle
is being braked byDis tance Pilot DISTRONIC
only, it can rollaw ay inthefo llowing situa‐
tions:
R Ifth ere is a malfunction in the sy stem or
in the po wer supp ly. R
If Dis tance Pilot DISTRONIC is deacti va‐
te d with the cruise control le ver,e.g. by a
ve hicle occupant or from outside the
ve hicle.
R Ifth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
R Ifth e battery is disconnected.
R Ifth eve hicle is accelerated, e.g. by a
ve hicle occupant. #
Alw ays deactivate Dis tance Pilot
DISTRONIC and secu retheve hicle to
pr eve nt it from rolling away before you
lea vethe driver's seat. &
WARNING Risk of accident due to
unknown stored speed
If yo u call up thestored speed and this is
lo we rth an your cur rent speed, theve hicle
decelerates.
If yo u do not kn owthestored speed, the
ve hicle could decelerate unexpectedl y. Driving and pa
rking 187

R
Activating or deacti vating Steering Pilot or
Dis tance Pilot DISTRONIC
The driver mu stbe ready totake control of the
ve hicle at any time. Information on Hill
Start Assist Hill
Start Assist holds theve hicle when pulling
aw ay on a hill under thefo llowing conditions:
R Vehicles with automatic transmission:
The transmission is in position hork.
R The electric parking brake is released. &
WARNING Risk of accident and inju ry
caused bytheve hicle rolling away
Af ter a short time, Hill Start Assist no lon ger
holds theve hicle and it can rollaw ay. #
Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist. HOLD function
HOLD function
The HOLD function holds
theve hicle at a stand‐
st ill without requ iring youto depress the brake
pedal, such as when pulling away on steep
slopes.
Sy stem limits
The incline must not be greaterth an 30%.
Ac tivating/deactivating the HOLD function &
WARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
R Ifth ere is a malfunction in the sy stem or
in the po wer supp ly.
R Ifth e HOLD function is deactivated by
depressing the accelera tor pedal or the
brake pedal, e.g. byave hicle occupant. R
Ifth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
R Ifth e battery is disconnected. #
Alw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle. *
NO
TEDama gefrom auto matic braking If
Ac tive Brake Assi st, Dis tance Pilot
DISTRONIC or the HOLD function is activa‐
te d, theve hicle brakes automatically in cer‐
ta in situations.
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
During towing #
In a car wash Re
quirements:
R The vehicle is stationar y. Driving and pa
rking 19 3

Re
quirements:
Before coupling up the trailer, the ball neck must
be fully extended and engaged in the securely
loc ked position.
Tr ailers with a 7-pin plug can be connec tedto
th eve hicle:
R adap ter plug
R adapte r cable
In order forth e trailer tobe recognised bythe
ve hicle:
R the electrical connection must be set up cor‐
re ctly
R the trailer lighting sy stem must be in working
order
The operation of thefo llowing sy stems depends
on the trailer being connected cor rectly:
R ESP ®
R Parking Assist PARKTRONIC
R Parking Pilot
R Blind Spot Assist or Active Blind Spot Assi st
R Active Lane Keeping Assist Coupling up a trailer
* NO
TEDama getothe battery due tofull
discharge Charging
the trailer battery using the po wer
supply of the trailer can damage the batter y. #
Do not use the po wer supp lyto charge
th e trailer batter y. #
Remo vethe pr otective co vering from the ball
head and store it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket co ver. #
Insert the plug connector with lug 1into
groo ve3 onthe soc ket. #
Turn bayonet coupling 2clockwise tothe
st op. #
Let the co ver engage. #
Secure the cable tothe trailer with cable ties
(if you are using an adap ter cable). #
Make sure that cable is alw ays slack for ease
of mo vement when cornering. #
Check the trailer lighting sy stem. Push the
combination switch up wards/down wards
and check whe ther the cor responding turn
signal light on the trailer is flashing.
A display message may appear in the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled on the trailer light‐
ing sy stem
R the cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA) 230
Driving and pa rking

Overview of
the Mercedes-Benz emer gency
call sy stem
The Mercedes-Benz emer gency call sy stem can
help todecisively reduce the time between an
accident and the ar riva l of emer gency services
at the site of the accident. It helps locate an
accident site in places that are dif ficult to
access.
The emer gency call can be made au tomatical ly
( → page 317) or ma nually (→ page 318). On ly
make emergency calls if you or others are in
need of rescue. Do not make an emergency call
in theev ent of a breakdown or a similar situa‐
tion.
Messages in the multimedia sy stem displa y:
SOS READY : emergency call available
SOS NOT READY: the ignition is not on or there
is a malfunction with the emer gency call sy stem.
During an active emer gency call, Gappears
in the displa y.
Yo u can find more information on there gional
av ailability of the Mercedes-Benz emer gency call
sy stem at: http://www.mercedes-benz.com/
connect_ecall %
If an emer gency call is una vailable, a mes‐
sage tothis ef fect also appea rsinthe multi‐
function display of the instrument clus ter.
Au tomatic eme rgency call
Re quirements:
R The ignition is switched on.
R The star ter battery has been suf ficiently
ch arge d.
If re stra int sy stems such as airbags or seat belt
te nsioners ha vebeen activated af ter an acci‐
dent, the Mercedes-Benz emer gency call sy stem
may automatically initiate an emer gency call.
The emergency call has been made:
R avo ice connection is made tothe Mercedes-
Benz emer gency call centre.
R a messa gewith accident data is transmitted
to the Mercedes-Benz emer gency call centre.
The Mercedes-Benz emergency call centre
can transmit theve hicle position data toone
of the public emer gency services call cen‐
tres. R
in cer tain situations additional data is trans‐
mit tedto the Mercedes-Benz emer gency call
centre.
This allo wsmeasu resfo rre scue, reco very or
to wing toa Mercedes-Benz service centre to
be initiated quickl y.
If yo ur vehicle is equipped with an SOS button in
th eove rhead control panel, it flashes until the
emer gency call has been compl eted.
It is not possible toimmediately end an auto‐
matic emer gency call.
If th e Mercedes-Benz emer gency call sy stem
cann otconnect tothe Mercedes-Benz emer‐
ge ncy call centre, the emer gency call is au tomat‐
ical lysent tothe public emer gency services call
centre.
If no connection can be made tothe public
emer gency services, a releva nt messa ge
appears in the displa y. #
Dial the emer gency call number 999 or 11 2
on your mobile phone. Multimedia sy
stem 317

R
the time of the accident
R the language setting on the multimedia sys‐
tem
Fo r accident clarification purposes, thefo llowing
measures can be take n up toan hour af terthe
emer gency call has been initia ted:
R the cur rent vehicle position can be called up
R avo ice connection totheve hicle occupants
can be es tablished
% ForRu ssia: various functions, e.g. receiving
traf fic information, cannot be per form ed for
up totwo hou rsafte r sending an emer gency
call.
St arting/ending ERA-GLONASS test mode
(Russia)
Re quirements:
R The star ter battery has suf ficient charge.
R The ignition is switched on.
R The vehicle has been stationary for at least
one minute. #
Tostart thete st mode: press and hold the
~ button on the multifunction steering
wheel for at least five seconds.
The test mode is star ted and automatically
ends af terth e language test has been per‐
fo rm ed. #
Toend thete st mode manuall y:switch off
th e ignition.
The test mode is ended. Online and Internet functions
Internet connection
Internet connection
restrictions &
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion 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 multimedia sy stem.
Depending on theve hicle's equipment, you can
es tablish an Internet connection in thefo llowing
wa ys:
R Vehicles with a communication module:
Internet use including Mercedes me connect
services and data roaming (→ page 320).
R Vehicles without a communication mod‐
ule:
- via Blue tooth®
with a data-enabled
mobile phone (→ page 320)
- viaWi-Fi wi tha data-enabled mobile
phone (→ page 320)
- viathete lephone module with SAP Multimedia sy
stem 319

Battery disconnection periods
The AS
SYST PLUS service inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed in
th e instrument display before disconnecting
th e battery (→ page 352). Engine compartment
Ac
tive bonn et(pedestrian pr otection) Operation of
the active bonnet (pedestrian
pr otection)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active bonn et. The rear area of the engine
bonn etisraised byappr oximately 85 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active bonn etyourself. If the active bonn et
has been triggered, pedestrian pr otection may
be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active bonn et. The active bonnet is not
available in all coun‐
tries.
Re setting the active bonnet &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: #
With your hand flat, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows).
The engine bonnet must engage in position. #
Ifth e active bonn etcan be raised slight lyat
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y. Maintenance and care
353