
Activ
eParking Assist is activated automati-
cally when driving forwards .The system is
operational at speeds of up to approximately 35 km/h .While in operation, the system inde-
pendently locate sand measures parking
space sonb oths ides of the vehicle.
Activ eParking Assist will onl ydetect parking
spaces:
R parallel or at right angle stothe direction of
travel.
R tha tare parallel to the direction of travel
and ar eatleast1.5mw ide
R that are parallel to the direction of travel
and at leas t1.0ml onger than your vehicle
R that are at right angles to the direction of
travel and at least 1.0 mwider than your
vehicle
i Note that Active Parking Assist cannot
measure the size of aparking space if it is at
right angles to the direction of travel. You
will need to judge whether your vehicle will
fit in the parking space.
When driving at speeds below 30 km/h, you
will see parking symbol ;asas tatus indi-
cator in the instrument cluster. When apark-
ing space has been detected, an arrow
towards the right or the left also appears.
Active Parking Assist only display sparking
spaces on the front-passenger side as stand- ard. Parking spaces on the driver's side are
displayed as soon as the turn signal on the
driver's side is activated. When parking on the driver's side, this must remain activated untilyou confirm the use of Active Parking Assist
by pressing the abutton on the multi-
function steerin gwheel. The system auto-
matically determines whether the parking
space is parallel or at right angles to the direc-
tion of travel.
Ap arking space is displayed while you are
driving past it, and until you are approx-
imately 15 maway from it. Parking G
WARNING
If you leave the vehicle when it is only being
braked by Active Parking Assist it could roll
away if:
R there is amalfunction in the system or in
the voltage supply.
R the electrical system in the engine com-
partment ,the battery or the fuses are tam-
pered with.
R the battery is disconnected.
R the vehicle is accelerated, e.g. by avehicle
occupant.
There is arisk of an accident.
Before leaving the vehicle, alwayss ecure it
against rolling away.
i Vehicles with automatic transmission:
When PARKTRONIC detect sobstacles,
Active Parking Assist brakes automatically
during the parking process. You are respon-
sible for braking in good time.
X Stop the vehicle when the parking symbol
shows the desired parking space in the
instrument cluster.
X Vehicles with manual transmission: shift to
reverse gear.
Vehicles with automatic transmission: shift
to position R.
The Start
Start Park ParkAssist?
Assist? Yes:
Yes:OK
OKNo:
No:
% message appears in the multifunction
display.
X To cancel the procedure: press the%
button on the multifunction steerin gwheel
or pull away.
or
X To parku sing Active Parking Assist:
press the abutton on the multifunction
steerin gwheel.
The Park Assist active Accelerate
Park Assist active Accelerate
and
and brake
brake Observe
Observe surroundings
surroundings mes-
sage appears in the multifunction display. Driving systems
241Driving and parking Z

cel the parking procedure with Active Park-
ing Assist.
R You can also preselect transmissio nposi-
tion D.The vehicle redirects and doe snot
drive as far into the parking space. Should a gea rbec hanged too early ,the parking pro-
cedure will be cancelled. Asensible parking
position can no longer be achieved from
this position.
Exiting aparkin gspace In order that Active Parking Assist can sup-
por tyou when exiting the parking space:
R the border of the parking space mus tbe
hig he nough at the front and the rear. A
kerb stone is too small ,for example.
R the border of the parking space mus tnot be
too wide, as the position of the vehicle must
not excee danangle of 45° to the starting
position as it is manoeuvred into the park-
ing space.
R am anoeuvring distance of at leas t1.0 m
mus tbea vailable.
i Vehicles with automatic transmission:
If PARKTRONIC detects obstacles, Active
Parking Assist brakes automaticall ywhilst
the vehicle exits the parking space. You are responsibl efor braking in goo dtime.
Active Parking Assist can only assis tyou with
exiting aparking space if yo uhavep arked the
vehicle paralle ltothe direction of trave lusing
Active Parking Assist.
X Start the engine.
X Releas ethe parking brake.
X Switch on the turn signal in the direction
yo ua re pulling away.
X Vehicles with manual transmission:
engage firs torreverse gear.
Vehicles with automati ctransmission:
shift the transmissio ntoposition Dor R.
The Star tPark Assist? Yes: OK No:
Star tPark Assist? Yes: OK No:
% messag eappears in the multifunction
display. X
To cance lthe procedure: press the%
button on the multifunction steering wheel or pull away.
or
X To exi taparkin gspac eusing Active
Parking Assist: press theabutton on
the multifunction steering wheel.
The Park Assist active Accelerate Park Assist active Accelerate
and and brake
brake Observe
Observe surroundings
surroundings mes-
sage appears in the multifunction display.
X Releas ethe multifunction steering wheel.
X Pull away ,being ready to brake at al ltimes.
Do not excee damaximum speed of
approximately 10 km/h when exiting a
parking space. Otherwise, Active Parking
Assist will be cancelled.
X Vehicles with manual transmission:
stop ,att he latest when PARKTRONIC
sounds the continuou swarning tone.
X Vehicles with manual transmission:
engage firs tgearorr everse gea rwhent he
vehicle is stationary, depending on the
messag eorrequirement.
Vehicles with automati ctransmission:
shift the transmission to position Dor R
when the vehicle is stationary, depending
on the messag eorrequirement.
Active Parking Assist immediately steers in
the othe rdirection. The Park Assist
Park Assist
active Accelerate and brake active Accelerate and brake
Observe Observe surroundings
surroundings messageappears
in the multifunction display.
i You will achieve the bes
tresults by wait-
ing for the steering procedure to complete before pulling away.
If yo ureverse afte ractivation, the steering
wheel is move dtothe straight-ahead posi-
tion.
X Drive forward sand reverse as prompte dby
the PARKTRONIC warning displays, several
time sifn ecessary.
X Vehicles with manual transmission:
stop as soo nasPARKTRONIC sounds the
continuou swarning tone, if not before. Drivin
gsystems
243Drivingand parking Z

Important safety notes
The reversing camera is only an aid. It is no
ta
substitut efor your attention to th eimmediate
surroundings. The responsibilit yfor safe
manoeuvrin gand parking remains wit hyou.
Mak esure that there are no persons, animals
or objects in range while manoeuvrin gand
parking.
Under th efollowin gcircumstances, the
reversing camera will no tfunction ,orwill
function in alimited manner:
R if th eboot lid or tailgat eisopen
R in heav yrain ,sno worf og
R at night or in ver ydark places
R if th ecamera is expose dtoveryb right light
R if th earea is lit by fluorescent bulbs or LED
lighting (the display may flicker)
R if there is asudde nchang eint emperature,
e.g. when driving int oaheated garag ein
winter
R if th ecamera len sisdirtyoro bstructed.
Observ ethe note sonc leaning
(Y page 390)
R if th erear of your vehicl eisdamaged. In this
case, have th ecamera position and setting
checke dataq ualified specialist workshop
The field of vision and other function softhe
reversing camera may be restricted due to
additional accessories on th erear of th evehi-
cle (e.g. licence plat eholder, bicycle rack).
On vehicles wit hheight-adjustable chassis,
leaving th estandard height can result in inac-
curacie sintheguide lines, depending on
technical conditions.
i The reversing camera is protected from
raindrops and dust by mean sofaflap.
When th ereversing camera is activated,
this flap opens.
The flap closes again when:
R you have finishe dthe manoeuvrin gproc-
ess
R you switch off th eengine
R you open th eboot Se
et he note sonc leaning (Y page 390).
Fo rtechn ical reasons, th eflap may remain
open briefly after th ereversing camera has
been deactivated.
Activating/deactivating th ereversing
camera X
To activate: makesure that th ekeyis in
position 2in th eignition lock.
X Mak esure that the ActivationbyR
Activatio nbyR
gear
gear function is selected in Audio 20 or
COMAND Online; see th eDigital Owner's
Manual.
X Engage revers egear.
The reversing camera flap opens. The area
behind th evehicl eiss hown wit hguide lines
in th eAudio 20 or COMAND Onlin edisplay.
The imag efromt hereversing camera is
available throughout th emanoeuvring
process.
X To switch th efun ction mod efor vehi-
cles with traile rtow hitch: usingthe con-
troller ,select symbol :for th e"Reverse
parking "function or symbol ;for "Cou-
plin gupat railer".
The symbol of th eselected function is high-
lighted.
To deactivate: ther eversing camera deacti-
vates if you shif tthe transmission to Por after
driving forwards ashort distance. Driving systems
245Driving and parking Z

increasin
glapses in concentration on the part
of the driver, it suggest staking abreak.
Important safety notes ATTENTION ASSIS
Tisonly an aid. It may not
always detect fatigue or lapses in concentra-
tion until too late, or may not detect the mat
all. The system is not asubstitut efor aw ell-
rested and attentive driver.
The functionality of ATTENTION ASSIS Tis
restricted, and warnings may be delayed or
not occur at all:
R if the length of the journey is less than
approximately 30 minutes
R if the road conditio nispoor, e.g. if the sur-
face is uneven or if there are potholes
R if there is astron gs ide wind
R if you have adopted asport ydrivin gstyle
with high cornering speeds or high rates of
acceleration
R if you are predominantly drivin gataspeed
below 60 km/h or above 200 km/h
R if you are drivin gwith the DISTRONIC PLUS
active steer assist activated
R if the tim ehas been set incorrectly
R in active drivin gsituations, such as when
you change lanes or change your speed
ATTENTION ASSIS Tisreset and starts
assessing your tiredness again when you con- tinue your journey if:
R you switc hoff the engine
R you tak eoff your seat belt and open the
driver's door, e.g. for achange of drivers or
to tak eabreak
Displaying th eattention level You can have current status information dis-
played in the assistanc emenu( Ypage 286)
of the on-board computer.
X Selec tthe assistanc egraphic sdisplay for
ATTENTION ASSIS Tusing the on-board
computer (Y page 286).
The followin ginformation is displayed:
R the length of the journey sinc ethe last
break
R the attention level determined by ATTEN-
TION ASSIST, displayed in abar display in
five levels fro mhigh to low
R if ATTENTION ASSIS Tisunable to calculate
the attention level and cannot output a
warning, the System suspended System suspended message
appears. The bar display the nchanges the
display, e.g. if you are drivin gataspeed
below 60 km/h or above 200 km/h.
Activating ATTENTION ASSIST X
Activate ATTENTION ASSIS Tusing the on-
board computer (Y page 288).
The system determines the attention level
of the drive rdepending on the setting
selected:
Standard selected: the sensitivitywith
which the system determines the attention
level is set to normal.
Sensitive selected: the sensitivityisset
higher .The attention level detected by
ATTENTION ASSIS Tisadapted accordingly
and the drive riswarnedearlier.
When ATTENTION ASSIS Tisdeactivated, the
À symbol and OFF appear in the multi-
function display in the assistanc egraphics
display when the engine is running.
When ATTENTION ASSIS Thas been deactiva-
ted, it is automatically reactivated after the
engine has been switched off .The sensitivity
selected corresponds to the last selection
activated (standard/sensitive). 254
Driving systemsDriving and parking

spot monitoring range from behind or from
the side. When you overtake avehicle, the
warning only occurs if the difference in speed
is less than 12 km/h.
The yellow indicator lamp goes out if reverse gear is engaged. Blind Spot Assist is then
deactivated.
The brightness of the indicator or warning
lamps is adjusted automaticallya ccording to
the ambient light.
Collision warning
If av ehicle is detected in the monitoring range
of Blind Spot Assist and you switch on the
corresponding turn signal, adoublew arning
tone sounds. Red warning lamp :flashes. If
the turn signal remains on, detected vehicles
are indicated by the flashing of red warning
lamp :.There are no further warning tones.
Activating Blind Spot Assist X Make sure that Blind Spot Assist is activa-
ted in the on-board computer
(Y page 288).
X Turn the key to position 2in the ignition
lock.
Warning lamps :in the exterior mirrors
light up red for approximately 1.5 seconds
and then turn yellow.
Towing atrailer
If you couple up atrailer, make sure that you
have correctly established the electrical con- nection. This can be accomplished by check-
ing the trailer lighting. Blind Spot Assist is
then deactivated. The indicator lamps in the
exterior mirrors light up yellow and the
Blind
Blind Spot SpotAssist
Assist not
notavailable
available when
when
towing atrailer See Owner's Manual
towing atrailer See Owner's Manual
message appears in the multifunction dis-
play.
i You can deactivate the indicator lamps in
the exterior mirrors. To do so, you will need to deactivate Blind
Spot Assist if:
R the key is in position 2in the ignition lock
R the engine is not running
R the electrical connection to the trailer
has been established
Lane Keeping Assist General notes
Lane Keeping Assist monitors the area in
front of your vehicle by means of camera
:
at the top of the windscreen. Lane Keeping
Assist detects lane markings on the road and
can warn you before you leave your lane unin-
tentionally.
This function is available within aspeed range
between 60 km/h and 200 km/h.
Aw arning may be given if afront wheel
passes over alane marking. It will warn you by
means of intermittent vibration through the
steering wheel for up to 1.5 seconds.
Important safety notes G
WARNING
Lane Keeping Assist cannot always clearly
identify lane markings.
In these cases, Lane Keeping Assist may:
R give an unnecessary warning
R not give awarning
There is arisk of an accident.
Always pay particular attention to the traffic
situation and keep in lane, especiallyifL ane
Keeping Assist alerts you. Driving systems
259Driving and parking Z

The maximum permissible speed for vehicle/
trailer combinations depends on the type of
trailer. Before beginnin gthe journey, check
the trailer's document stosee what the max-
imum permitted speed is. Observe the legally
prescribed maximum speed in the relevant
country.
For certain Mercedes-Benz vehicles, the max-
imum permissible rear axle load is increased
when towing atrailer. See the "Technical
data" section to find out whether this applies to your vehicle (Y page 484). If you utilise any
of the added maximum rear axle load when
towing atrailer, the vehicle/trailer combina-
tion may not exceed amaximum speed of
100 km/hf or reasons concerning the oper-
ating permit. This also applie sincountrie sin
which the permissible maximu mspee dfor
vehicle/trailer combinations is above
100 km/h.
When towing atrailer, you rvehicle's handling
characteristics wil lbedifferent in comparison
to whe ndriving without atrailer and it will
consume more fuel.
Change into alower gea ringood time on long
and steep downhill gradients.
i This also applie
sifyou have activated
cruis econtrol, SPEEDTRONIC or
DISTRONIC PLUS.
This wil luse the braking effect of the engine,
so less braking wil lberequired to maintain
vehicle speed. This relieves the loa donthe
brake system and prevents the brake sfrom
overheating and wearing too quickly. If you
need additiona lbraking, depress the brake
pedal repeatedl yrather than continuously.
Driving tips If the trailer swings from side to side:
X Do not accelerate.
X Do not countersteer.
X Brake if necessary. R
Maintain agreater distance to the vehicle in
front than whe ndriving without atrailer.
R Avoid braking abruptly .Ifpossible ,brake
gently at first to allow the trailer to run on.
Then, increase the braking force rapidly.
R The values give nfor gradient-climbing
capabilities from astandstil lrefer to sea
level. When driving in mountainous areas,
note that the power outpu tofthe engine,
and consequently the vehicle's gradient-
climbing capability, decrease with increas-
ing altitude. Foldin
gout the ball coupling G
WARNING
If the bal lcoupling is not correctly engaged,
the trailer can detach .There is arisk of an
accident.
Always engag ethe bal lcoupling as described. G
WARNING
If you release the bal lcoupling or it does not
engag ecorrectly whe nfolding in, it wil lswing
out. Withi npivoting range of the bal lcoupling,
there is an increased risk of an accident and
injury.
Only release the bal lcoupling if the pivoting
range is unobstructed. Always make sure that the bal lcoupling engages whe nfolding in. Saloon
Before you can tow
atrailer with you rvehicle,
you must fold out the bal lcoupling. 268
Towing
atrailerDriving and parking

Useful information
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variation sare pos-
sible. Not ethat your vehicle may not be
equipped with all of the function sdescri-
bed. This is also the case for system sand
function srelevan ttosafety.
i Read the information on qualified special-
ist workshops: (Y page 27). Important safet
ynotes G
WARNING
Operating the integrated information systems and communications equipment in the vehicle
while drivin gwill distract you from traffic con-
ditions. You could then lose contro lofthe
vehicle. There is arisk of an accident.
Only operate thes edevices if road traffic con-
dition spermit .Ifyou are unsure about the
surrounding conditions, pull over to asafe
locatio nand make entries only while the vehi-
cle is stationary.
You must observ ethe legal requirements for
the country in which you are currently driving when operatin gthe on-board computer. G
WARNING
If the instrumen tcluster has failed or mal-
functioned, you may not recognise function
restrictions relevan ttosafety. The operating
safet yofy our vehicle may be impaired. There
is ar isk of an accident.
Driv eonc arefully. Have the vehicle checked
at aq ualified specialist workshop immedi-
ately.
The on-board computer only shows messages
or warnings from certain system sinthe mul-
tifunction display. You should therefore make
sure your vehicle is operatin gsafely at all
times. If the operatin
gsafet yofy our vehicle is
impaired, park the vehicle safely as soon as
possible. Contact aqualified specialist work-
shop.
HYBRID vehicles :make sure that you read the
"HYBRID "Supplement. You could otherwise
fail to recognise dangers ,e.g. due to high
voltage.
For an overview; see the instrumen tcluster
illustration (Y page 34). Displays and operation
Coolant temperatureg
auge G
WARNING
If you open the bonnet while the engin eis
overheating or while ther eisafire in the
engin ecompartment, you could come into
contact with hot gases or other leaking ser-
vice products. There is adanger of injury.
Allow an overheating engin etocool down
before openin gthe bonnet. If ther eisafire in
the engin ecompartment, leave the bonnet
closed and notify the fire brigade.
The coolan ttemperature gauge is in the
instrumen tcluster on the left-hand side
(Y page 34).
Under normal operatin gcondition sand with
the specified coolan tlevel, the coolan ttem-
perature may rise to 120 †.
At high outside temperature sand when driv-
ing uphill, the coolan ttemperature may rise
to the end of the scale. Rev counter
! Do not drive in the overrevvin
grange.
Doin gsow ill damage the engine.
The red band in the rev counter indicates the
engine's overrevvin grange.
The fuel supply is interrupted to protect the
engin ewhen the red band is reached. 276
Displays and operationOn-boar
dcomputer and displays

X
Press a.
The curren tselection is displayed.
X To activat eordeactivate: pressa.
When the display is activated, detected
traffic signs are displaye dinthe multifunc-
tion display for five seconds.
Further information about Traffic Sign Assist
(Y page 255).
Deactivating/activating ESP ®i
Observe the importan
tsafety notes on
ESP ®
(Y page 83). G
WARNING
If you deactivat eESP®
,E SP ®
no longer sta-
bilises the vehicle. There is an increased risk
of skidding and an accident.
Only deactivate ESP ®
in the situations descri-
bed in the following.
It may be best to deactivate ESP ®
in the fol-
lowing situations:
R when using snow chains
R in deep snow
R on sand or gravel
Deactivating/activating ESP ®
on AMG vehi-
cles (Y page 85).
For further information about ESP ®
,s ee
(Y page 83).
X Start the engine.
X Press the =or; button on the steer-
ing wheel to select the Assist.
Assist.menu.
X Press 9or: to select ESP
ESP.
X Press the abutton.
The curren tselection appears.
X To activate/deactivate: press thea
button again.
ESP ®
is deactivated if the åwarning lamp
in the instrument cluster lights up continu-
ously when the engine is running.
If the ÷ warning lamp and the åwarn-
ing lamp are lit continuously, ESP ®
is not
availabl edue to amalfunction. Observe the information on warning lamps
(Y
page 333).
Observe the information on display messages (Y page 300).
Activating/deactivating PRE-SAFE ®
Brake PRE‑SAFE
®
Brake is only availabl einvehicles
with DISTRONIC PLUS.
X Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press the 9or: button to select
PRE-SAFE Brake
PRE-SAFE Brake.
X Press the abutton.
The curren tselection is displayed.
X To activate/deactivate: press thea
button again.
When PRE-SAFE ®
Brake is deactivated, the
assistanc egraphic shows the æsymbol
in the multifunction display.
For more information on PRE‑SAFE ®
Brake,
see (Y page 87).
Activating/deactivating COLLISION
PREVENTION ASSIST PLUS X
Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press the 9or: button to select
Collision Prevent.
Collision Prevent..
X Press the abutton.
The curren tselection is displayed.
X To activate/deactivate: press thea
button again.
If COLLISION PREVENTION ASSIST PLUS is deactivated, the assistanc egraphic shows
the æ symbol in the multifunction dis-
play.
For further information about COLLISION
PREVENTION ASSIST PLUS, see (Y page 80). Menus and submenus
287On-board computer and displays Z