
Adaptive brak
elamps
i Observ
ethe "Importan tsafet ynotes "sec-
tion (Y page 77).
The adaptive brak elights warn followin gtraf-
fic in an emergenc ybraking situation:
R by flashin gbrak elamps
R theh azard warning lamp sare activated
If you brak esharply from aspee dofm ore
than 50 km/h or if braking is assisted by BAS or BA SPLUS, th ebrak elamp sflas hrapidly. In
this way, traffic travellin gbehind you is
warned in an eve nmoren oticea ble manner.
If you brak esharply from aspee dofm ore
than 70 km/h to astandstill, th ehazard warn-
ing lamp sare activated automatically. If the
brakes are applie dagain ,the brak elamps
ligh tupc ontinuo usly. The hazard warning
lamp sswitch off automatically if you travel
faste rtha n1 0k m/ h.You can also switch off
th eh azard warning lamp susingthe hazard
warning butto n(Ypage 145). ESP
®
(Electronic Stabilit yProgram)
Genera lnotes i
Observ
ethe "Importan tsafet ynotes "sec-
tion (Y page 77).
ESP ®
monitors driving stabilit yand traction,
i.e .p ower transmission between th etyres
and th eroad surface.
If ESP ®
detects that th evehicl eisd eviating
from th edirection desired by th edriver, one
or mor ewheels are braked to stabilis ethe
vehicle. The engin eoutput is also modifie dto
keep th evehicl eont hedesired cours ewithin
physical limits .ESP ®
assist sthe driver when
pullin gaway on wet or slippery roads. ESP ®
can also stabilis ethe vehicl eduring braking.
ETS/4ET S(Electronic Traction System) ET
St raction control is part of ESP ®
.Onv ehi-
cle sw ith4 MATIC ,4ETSisa component of
ESP ®
. Traction control brakes th
edrivew heels indi-
vidually if they spin .This enables you to pull
away and accelerate on slippery surfaces, for exampl eiftheroad surfac eisslippery on one
side .Ina ddition ,mored rivet orque is trans-
ferred to th ewhee lorw heels wit htraction.
Traction control remain sactive if you deacti-
vat eE SP®
.
Important safety notes i
Observ
ethe "Importan tsafet ynotes "sec-
tion (Y page 77). G
WARNING
If ESP ®
is malfunctioning ,ESP ®
is unable to
stabilis ethe vehicle. In addition ,other driving
safet ysystems are switched off .This increa-
ses th eriskofs kiddin gand an accident.
Drive on carefully. Hav eESP®
checke data
qualified specialist workshop.
! Vehicles wit
h4MATIC :function or per-
formance test smay only be carrie dout on
a2 -axled ynamometer. Befor eoperating
th ev ehicl eons uchad ynamometer, please
consult aqualified specialist workshop.
You could otherwise damag ethe driv etrain
or th ebrak esystem.
Vehicles without 4MATIC: when towin gyour
vehicl ewitht he rear axl eraised, observ ethe
note sonE SP®
(Y page 410).
When ESP ®
is deactivated, the åESP®
OF Fw arning lamp lights up continuously.
If the ÷ warning lamp and the åwarn-
ing lamp are lit continuously, ESP ®
is not
available due to amalfunction.
Observ ethe information on warning lamps
(Y page 333) and display message swhich
may be shown in th einstrumen tcluster
(Y page 300).
i Only use wheels wit
hthe recommended
tyr es izes. Only then will ESP ®
function
properly. Driving safety systems
83Safety Z

Deactivating/activating ESP
®
(AMG
vehicles) Important safet
ynotes
You can selec tbetween th efollowing sta-
tuses of ESP ®
:
R ESP ®
is activated
R SPORT handlin gmodeisa ctivated
R ESP ®
is deactivated G
WARNING
Whe nSPORT handlin gmodeisa ctivated,
there is agreater ris kofskidding and acci-
dents.
Only activat eSPORT handlin gmodeint hesit-
uation sdescribed in th efollowing. G
WARNING
If you deactivat eESP®
,E SP ®
no longer sta-
bilises th evehicle. There is an increase drisk
of skidding and an accident.
Only deactivat eESP®
in th esituation sdescri-
bed in th efollowing.
In th efollowing situations, it may be bette rto
activat eSPORT handlin gmodeord eactivate
ESP ®
:
R when usin gsnowc hains
R in deep snow
R on san dorgravel
R on specially designated roads when the
vehicle' sown oversteering and understeer-
in gc haracteristics are desired
Driving in SPORT handlin gmodeorw ithout
ESP ®
require sanextremel yqualified and
experience ddriver.
i Activat
eESP®
as soo nasthesituations
described abov enolonger apply. ESP ®
will
otherwise no tbeable to stabilise th evehi-
cl eift hevehicle start stoskidoraw heel
start stos pin. Deactivating/activating ESP
® X
To activate SPORT handling mode:
briefly press button :.
The M handlin gmodew arnin glamp in
th ei nstrument cluster lights up. The
SPORT handling mode SPORT handling mode message appears
in th emultifunction display.
X To deactivate SPORT handling mode:
briefly press button :.
The M handlin gmodew arnin glamp in
th ei nstrument cluster goe sout.
X To deactivate ESP ®
:press button :until
the å ESP®
OF Fw arnin glamp lights up
in th einstrument cluster.
The ÷ OFF
OFFmessage appears in th emul-
tifunction display.
X To activate ESP ®
:briefly press button :.
The å ESP®
OF Fw arnin glamp in the
instrumen tcluster goe sout.T he ÷
ESP ®
ON
ON message appears in th emultifunc-
tion display.
Characteristics of activate dSPORT han-
dling mode
If SPORT handlin gmodeisa ctivated and one
or more wheels start to spin, the ÷ESP®
warnin glamp in th einstrument cluster
flashes .ESP ®
only stabilises th evehicle to a
limited degree.
Whe nSPORT handlin gmodeisa ctivated:
R ESP ®
only improves drivin gstability to a
limited degree
R traction contro lisstill activated Driving safet
ysyste ms
85Safety Z

R
to crossing traffic
R when cornering
As aresult, PRE-SAFE ®
Brake ma yneither
give warnings nor intervene in al lcritica lsit-
uations. There is ariskofana ccident.
Alway spaycarefu lattentio ntothe traffi csit-
uatio nand be ready to brake.
In the event of snowfall or heav yrain, detec-
tio nc an be impaired.
Detectio nbythe rada rsensor system is also
impaire dinthe event of:
R dirt on the sensor sorobscured sensors
R interferenc ebyotherradar sources
R strong rada rreflections, for example, in
multi-storey car parks
R an arrow vehicl etravelling in front, e.g .a
motorcycle
R av ehicl etravelling in front on adifferent
line
Detectio nbythe camera system is also
impaire dinthe event of:
R dirt on the camera or if the camera is cov-
ered
R glar eont he camera system ,e.g.f ro mt he
su nb eing lo wint he sky
R darkness
R if:
- pedestrians mov equickly, e.g .into the
path of the vehicle
- the camera system no longe rdetects a
pedestrian as aperso nd ueto special
clothing or othe robjects
- ap edes trian is concealed by other
objects
- the typica loutline of aperso ni sn ot dis-
tinguishabl efromt he background
Following damage to the front end of the vehi- cle ,havet he rada rsensor setting sand oper-
ation checked at aquali fied specialis twork-
shop. This also applie stocollisions at slow
speeds where there is no visible damage to
the front of the vehicle. Following damage to the windscreen, have
the configuratio nand operatio nofthe cam-
era syste mchecked at aquali fied specialist
workshop.
Function X
To activate/deactivate: activate or deac-
tivate PRE-SAFE ®
Brake in the on-board
compute r(Ypage 287).
If the PRE-SAFE ®
Brake is not activated ,the
æ symbo lappears in the multifunction
display.
This functio nwilli ssue awarning if:
R at as peed of approximately 30 km/h or
mor ethe distance maintaine dtothe vehi-
cle travelling in front is insufficient for sev-
era lsec onds
The · distance warning lamp the nlights
up in the instrument cluster.
R at as peed of approximately 7km/h or
more, yo urapidly approach avehicl ein
front
An intermittent warning tone will then
sound and the ·distance warning lamp
will light up in the instrument cluster.
X Brake immediatel ytodefusethe situation.
or
X Take evasive action provided it is safe to do
so.
If there is an increase driskofc ollision, pre-
ventive passenge rprotection measures (PRE-
SAFE ®
)a re activated.
If the risk of collision with the vehicl einfront
remains and yo udonot brake, take evasive
action or accelerate significantly, the vehicle
ma yperform automatic emergency braking,
up to the point of full brake application. Auto- matic emergency braking is not performed
unti limm ediatel yprior to an imminent acci-
dent. 88
Driving safet
ysystemsSafety

X
To switc hthe alarm of fwitht he key:
press the %or& button on the key.
The alar misswitched off.
or
X Remov ethe Start/Stop button from the
ignition lock.
X Insert the key into the ignition lock.
The alar misswitched off.
X To switc hthe alarm of fusing KEYLESS-
GO: grasp the outside door handle. The key
must be outside the vehicle.
The alar misswitched off.
or X Press the Start/Stop button on the dash-
board. The key must be insid ethe vehicle.
The alar misswitched off.
The alar misnot switched off, eve nifyou
close the open door tha thas triggered it, for
example. Tow-away protection
Function An audibl
eand visua lalarm is triggered if your
vehicle's angle of inclinatio nisa ltere dw hile
tow-away protection is primed .Thisc an occur
if the vehicl eisjacke dupono ne side,for
example.
Priming X
Make sure that:
R the doors ar eclosed
R the boot lid/tailgate is closed
Onl ythen is the tow-away protection
primed.
X Lock the vehicl ewitht he key or KEYLESS-
GO.
Tow-away protection is primed after
approximatel y30s econd s. De
activating X
Unlock the vehicle with the key or KEY-
LESS-GO.
or X Insert the key into the ignition lock.
Tow-awa yprotection is deactivated auto-
matically.
Deactivating X
Remove the key from the ignition lock.
X Press button :.
Indicator lamp ;lights up briefly.
X Lock the vehicle with the key or KEYLESS-
GO.
Tow-awa yprotection is deactivated.
Tow-awa yprotection remains deactivated
until:
R the vehicle is unlocked again and
R ad oor is opened and close dagain and
R the vehicle is locked again
To prevent afalse alarm, deactivate tow-away
protection if you lock you rvehicle and it:
R is being transported
R is being loaded onto aferry or car trans-
porter, for example
R is parked on amovable surface, e.g. in a
split-leve lgarage 90
Protection against theftSafety

Example: Saloon
X To unloc kthe boot lid/tailgate: pull the
handl eont he boot lid/tailgate.
The vehicl eonlyu nlocks the boot lid/tail-
gate.
Deactivatin gand activating If yo
udon ot intend to us eakey for an exten-
de dp eriodoft ime,you can deactivate the
KEYLESS-GO functio nofthe key .The key will
then us everyl ittle power, thereb yconserving
battery power. For the purposes of activa-
tion/deactivation, the vehicl edoesn ot have
to be nearby.
X To deactivate: press the&button on
the key twice in rapi dsuccession.
The battery check lamp of the key
(Y page 97 )flashe stwice briefl yand
lights up once ,then KEYLESS-GO is deac-
tivated.
X To activate: press any button on the key or
insert the key into the ignition lock.
KEYLESS-GO and al lofits associate dfea-
tures ar eavailable again. Changin
gthe settings of the locking
system
Yo uc an change the settings of the locking
system .Thism eans tha tonlyt he driver's door
and the fuel fille rflapa reunlocke dwhent he
vehicl eisunlocked. Thi sisusefulify oufre-
quentl ytravel alone. X
To chang ethe setting: simultaneously
press the %and& buttons on the
key for approximatel ysixsecond suntilthe
battery check lamp flashe stwice
(Y page 97).
i If the setting of the locking system is
change dwithi nt he signa lran ge of the vehi-
cle ,pressing the &or% button:
R locks or
R unlocks the vehicle
The key now functions as follows:
X To unloc kthe driver' sdoor: press the
% button once.
X To unloc kcentrally: press the %but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS-GO functio nisc hange dasfol-
lows:
X To unloc kthe driver' sdoor: touch the
inne rsurface of the door handl eonthe
driver's door.
X To unloc kcentrally: touch the inne rsur-
face of the door handl eonthe front-
passenge rdoorort he rea rdoor.
X To lock centrally: touch the outer sensor
surface on one of the door handles.
X To restore the factory settings: press
and hol ddownthe % and& buttons
simultaneously for approximatel ysixsec-
ond suntilthe battery check lamp flashes
twice (Y page 97). Emergenc
ykeyelement
General notes If the vehicl
ecan no longe rbelocked or
unlocke dwitht he key ,use the emergency
key element.
If yo uusethe emergency key element to
unlock and open the driver's door or the boot
lid/tailgate, the anti-thef talarm system will
be triggered (Y page 89).96
KeyOpening and closing

There are several ways to deactivate the
alarm:
X To deactivat ethe alarmw ith the key:
press the %or& button on the key.
or
X Insert the key into the ignition lock.
or X To deactivat ethe alarmw ith KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
GO. The key must be outside the vehicle.
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically.
X To unlock the fuel filler flap: insert the
key into the ignition lock.
Removing the emergency key element X
Push release catch :in the direction of
the arrow and, at the same time, remove
emergenc ykey element ;from the key.
Further information about: R unlockin gthe driver's door (Y page 102)
R unlockin gthe boot (Y page 109)
R unlockin gthe tailgate (Y page 110)
R lockin gthe vehicle (Y page 103) Inserting the emergency key element X
Push emergenc ykey element ;fully into
the key until it engages and release
catch :return stoits basic position. Battery of the key
Checking the battery X
Press the &or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
X Replace the battery (Y page 97).
i If the battery of the key is checked within
the signal reception range of the vehicle,
pressing the &or% button:
R locks or
R unlocks the vehicle
i You can obtain
abattery from any quali-
fied specialist workshop.
Replacing the battery You require
aCR20253Vc ell battery.
X Take the emergenc ykey element out of the
key (Y page 97). Key
97Opening and closing Z

Adjusting th
esteering wheel electri-
cally :
To adjust th esteering whee lheight
; To adjust th esteering whee lposition
(fore-and-af tadjustment)
i Further relate dsubjects:
R EASY-ENTRY/EXIT feature
(Y page 135)
R Storing setting s(Ypage 139) Steering wheel heating
Switchin gon/off X
Turn th ekeyto position 2in th eignition
loc k(Ypage 179).
X To switch on/off: turnthe lever in the
direction of arrow :or;.
Indicato rlamp =lights up or goes out.
Vehicles without KEYLESS-GO :when you
remove th ekeyfrom th eignition lock, the
steering whee lheating is switched off. Vehicles wit
hKEYLESS-GO :when you switch
off th eignition and open th edriver' sdoor ,the
steering whee lheating is switched off.
i The steering whee
lheating does not
switch off automatically. 134
Steering wheelSeats
,steering wheel and mirrors

If you close the driver's door with the key
inserted in the ignition lock, the steering
wheelisa utomaticall ymoved to the previ-
ouslys et position.
The last positio nofthe steering wheelis
stored when you switch off the ignition or
when you store the setting with the memory
function (Y page 139).
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
willm ove upwards when the driver's door is
opened. This occurs irrespective of the posi-
tion of the key in the ignition lock. This makes it easier to exit the vehicle and rescue the
occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY fea-
ture is activated in the on-board computer
(Y page 294). Mirrors
Rear-view mirror
X
Anti-dazzle mode: pivot anti-dazzle
switch :forward sorback. Exterio
rmirrors
Adjusting the exterio rmirrors G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheelor
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheela nd mirrors and fasten yours eat
belt before starting the engine. G
WARNING
The exterior mirrors reduce the size of the
image.O bjects visible in the mirrors are
closer than they appear. You could misjudge
the distance from road users driving behind
you when changing lanes, for instance. There is ar isk of an accident.
You shouldt herefore always look over your
shoulder to determine the actual distance
from road users driving behind you. X
Turn the key to position 1or 2in the ignition
(Y page 179).
X Press button :for the left-hand exterior
mirror or button ;for the right-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjustt he selected136
MirrorsSeats, steeringw
heel and mirrors