STEER CONT ROLfunction
STEER CONTROL help syou bytransmitting a
noticeable steering forc etot hesteering wheel in
th ed irection requ ired forv ehicle stabilization.
This steering recommendation is given part icu‐
larly in thef ollowing situations:
RBo th right wheels or bo thleftw heels ar eon
aw etor slippe ryroad sur face whe nyou
brake.
RThe vehicle starts toskid.
Sy stem limitations
ST EER CONTROL ma ybeimpaire dormaynot
function in thef ollowing situations:
RESP®is deactivated.
RESP®is malfunctioning.
RThe steering is malfunctioning.
If ESP
®is malfunctioning, youw ill be assisted
fur ther by thee lectric po wersteering.
Fu nction of Activ eB rake Assi st
ActiveB rake Assi stconsist sof:
RDis tance warning function
RAu tonomous braking function
RSituation-dependent braking assist ance
RVehicles with DrivingA ssistancePack‐
age: Evasi veSteering Assist
Ac tiveB rake Assi stcan helpy outominimize the
ri sk of acollision wit hvehicles or pedestrians or
to reduce thee ffects of suc hacollision.
If Ac tiveB rake Assi sthas de tected arisk of colli‐
sion,y ou will be warned visually and acousti‐
cally.
If yo udon otreact tothev isual and audible colli‐
sion warning, autonomous brakin gcan be initi‐
ated in critical situations.
In especially critical situations ,Activ eBrake
Assi stcan initiate autonomous brakin gdirect ly.
In this case, thev isual and acoustic warning
occur ssimultaneouslyw itht he braking applica‐
tion. If
yo ua ppl ythe brak eyourself in acritical situa‐
tio nora pplythe brak eduring autonomous brak‐
ing, situation-dependen tbraking assis tance
occurs .Thisi ncreases theb rake pressur eupto
maximu mfull-s topb raking if necessar y.
If th ea utonomous braking function or thes itua‐
tion-dependen tbraking assis tance is trig gered,
additional pr eventiv emeasures foro ccupant
pr otection (PRE-SAFE
®)m ayalso be initiated, if
th ev ehicle is equipped wit hthese.
&
WARNING Risk of an accident caused by
limited de tection per form anc eofA ctive
Brak eAssist
Ac tiveB rake Assi stcanno talway sc learly
identify objects and complex traffics itua‐
tions.
In such cases,ActiveB rake Assi stmight:
RGiv eaw arning or brak ewithout reason
RNo tgiveaw arning or no tbrake
#Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on ActiveB rake
Assi stalone. ActiveB rake Assi stis only
16 0
Driving and pa rking
Cancelingabrake application of Activ eB rake
Assi st
Yo uc an cancel abrake applic ationofA ctive
Brak eAssistat an ytimeb y:
RDepressing thea ccelera torp edalf ully.
RReleasing theb rake pedal.
Ac tiveB rake Assi stma ycancel theb rake appli‐
cation when one of thef ollowing condition sis
fulfilled:
RYo um aneuver to avoidtheo bstacle.
RThere is no longer arisk of collision.
RAn obs tacle is no longer de tected in front of
yo ur vehicle.
Evasiv eSteering Assis t(onl yvehicles with
Driving Assistan cepac kage )
Evasiv eSteering Assis thas thef ollowing charac‐
te rist ics:
RCan de tect stationar yorcrossing pedes‐
trians.
RCan assis tthe driver wit hadditional steering
assis tance if it de tects aswerving maneuver.
RCa nbea ctivatedbyana bruptsteering mo ve‐
ment during aswerving maneu ver.
RCan assis tduring swervin gand stra ightening
of thev ehicle.
RCan react from aspeedofa pproximately
12 mp h(20 km/h )uptoaspeedofa pprox‐
imatel y43m ph (70 km/h).
RYouc an pr eventthea ssis tance at an ytime
by activel ysteering.
&
WARNING Risk of an accident despite
Evasiv eSteering Assist
Evasiv eSteering Assis tcannot alwaysc learly
identify objects and comple xtraffic situa‐
tions.
In addition,t hesteering suppor tofEvasive
St eering Assis tisgenerallyn otsuff icien tto
av oid acollision.
In suc hcases Evasiv eSteering Assis tcan:
Rgiv eanu nnecessar ywarning or pr ovide
assis tance
Rno tg iveaw arning or no tprovide assis‐
ta nce
#Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on Evasive
St eering Assis talone.
#Be ready tobrak eand take evasive
action if necessar y.
#Preve ntthea ssis tance byactivel ysteer‐
ing in non-critical driving situations.
#Driv eatana ppropriat espeed if pedes‐
trians ar eclose tothep athofy ourvehi‐
cle.
Also obser vethes ysteml imitations of Evasive
St eering Assist.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
RIn sno w,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatlyvarying
light conditions.
RIf th es ensor saredirty ,miste du p, damaged
or co vered.
Driving and parking 16
3
RIfth es ensor smalfunction due to otherradar
source inter fere nce, fore xamp lestro ngradar
re flections in parking garage s.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ynotreact cor rectly:
RIn complex traffics ituations whe reobjects
cannot alwaysbec learly identified.
RTopedestrians or vehicles if they mo ve
qu ickl yintot he sensor de tection range.
RTo pedestrians who ar ehidden by other
objects.
RIf th et ypical outline of apedestrian cannot
be distinguished from theb ackg round.
RIfap edestrian isno trecognized as such, e.g.
due tospecial clo thing or other objects.
ROn bends wit hatightradius.
Setting Activ eB rake Assi st
Multimedia sy stem:
, 9 H K L F O H.k $ V V L V W D Q F H. $ F W L Y H
% U D N H $ V V L V W
Ve hicles without DrivingA ssistancepack‐
age: The settings can be made af ters tartin gt he
ve hicle.
Ve hicles with DrivingA ssistancepacka ge:
The setting scan be made when thei gnition is
switched on.
% It is recommended that youa lway sl ea ve
Ac tiveB rake Assi stactivated.
Select oneoft hefollowing settings:
# ( D U O \ :your selection is retained when the
ve hicle is next star ted.
# 0 H G L X P :your selection is retained when the
ve hicle is next star ted.
# / D W H:y our selection is retained when the
ve hicle is next star ted.
# 2 I I:
Ve hicles without DrivingA ssistancepack‐
age: The dis tance warning function and the
autonomous brakin gfunction ar edeactiva‐
te d. When thev ehicle is next star ted, the
middles etting is auto matically selected.
Ve hicles with Drivin gAssistanc epack‐
age: The dis tance warning function and the
autonomous brakin gfunction ar edeactiva‐
te d. Evasiv eSteering Assis tisunavailable.
When thei gnition is next star ted, them iddle
setting is selected automaticall yand Evasive
St eering Assis tisavailable.
% When ActiveB rake Assi stis deactivated, the
æ symbol appears inthea ssis tance
graphicint he multifunction displa y.
Speed control cruise control
Function of cruise control
Cruise cont rola ccelerates and brakes thev ehi‐
cle automaticall yinorder tomaintain aprevi‐
ously stored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour
fo ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed.
164
Driving and pa rking
#Storec urrent speed 2(once af ters tarting
th ev ehicle).
or
#Call up stored speed 2.#Deactivatecruise contro l1.
#Press thel eve rbrief ly:t he stored speed is
increased 3orreduced
4 by1m ph (1 km/h).
or
#Press thel eve rbeyo ndthep ressur epoint:
th es tore ds peed is increased 3orreduced
4 by5m ph (1 0km/h).
If cruise contro lhas been deactivated, thec ur‐
re nt driven speed is adop tedw ith3 or4. %
Ifyo ub rake ,d eactivat eESP
®or if ESP®
inter venes, cruise control is deacti vated.
When yous wit ch offt he vehicle, thel ast
speed stored is cleared.
Ac tiv eD ista nce Assis tDISTR ON IC
Function of Activ eD ista nce Assist
DI STRO NIC
Ac tiveD ista nce Assist DISTRONIC
RMaintainsthes etspeed and accelera teso r
decelerates thev ehicle if thed istan ce from
th ev ehicle in front permits.
RAssists youinm aintainin gthe dis tance from
th ev ehicle in front and can bring your vehi‐
cle toas tandstil lifnecessar y.
RBrakesyour vehicle wit hupto50%oft he
maximum possible braking po wer.If greater
decelera tionp erform ance is requ ired, avis‐
ual and acoustic warning is given and you
mus tthen inter vene yourself.
RVe hicles with DrivingA ssistancePack‐
age, Activ eP arking Assis tand COMAND:
When driving in stop-s tart traf fic, thed rive ris
16 6
Driving and pa rking
Inthese conditions ,Activ eDista nce Assist
DISTRONICm ay:
RGive an unnecessar ywarning and then
brak ethe vehicle.
RNeither giv eawarning nor inter vene.
RAc celerat eorbrake unexpectedly.
#Continue driving wi thcar eand be ready
to brake, particular lyifAc tiveD ista nce
Assist DISTRONICw arnsyou.
&
WARNING Risk of accident from acceler‐
ation or braking byActiveD ista nce
Assist DISTRONIC
Ac tiveD ista nce Assist DISTRONICm ayaccel‐
erat eorb rake inthef ollowing cases, for
ex ample:
RIfth ev ehicle pulls away usingA ctiveDis‐
ta nce Assist DISTRONIC.
RIfth es tore ds peed is called up and is
considerabl yfasterors lowe rthan the
cur rently driven speed.
RIfAc tiveD ista nce Assist DISTRONICn o
longer de tects avehicle in front or does
no treact toreleva nt objects.
#Alw aysc arefully obser vethet raffic con‐
ditionsa nd beready tobrak eata ll
times.
#Ta ke intoa ccount thet raffic situation
befor ecallin gupt hestored speed.
&
WARNING Risk of accident duetoi nsuf‐
fi cient decele ratio nbyA ctiveDista nce
Assist DISTRONIC
Ac tiveD ista nce Assist DISTRONICb rake s
yo ur vehicle wit hupto50%oft he maximum
possible deceleration. If this decele ratio nis
no ts ufficient, ActiveD ista nce Assist
DISTRONICa lertsy ou wit havisual and
acoustic warning.
#In these cases, adjus tyour speed and
ke ep asufficient dist ance.
#Brakethe vehicle yourself and/or take
ev asiv eaction.
&
WARNING Risk of accident duetoA ctive
Dis tance Assist DISTRONICs tillb eing
activated when youl eave thed rive r's
seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD ista nce Assist
DISTRONICo nly,the vehicle can rollaw ay.
#Alw aysd eactivat eActiv eDista nce
Assist DISTRONICa nd securethe vehi‐
cle topreve nt it from rolling away
befor eyou lea vethed rive r's seat.
Re quirementsRThe vehicle's engine mus tbeswitched on.
RThe electric parking brak emustber eleased.
RActiveP arking Assis tisnotbeing used to
par kthe vehicle or toexit from aparking
space.
RESP®mus tbea ctivated, but no tinter vening.
RThe transmission must be in positionh.
RThe driver door ,fro nt passenger door and the
re ar door smustbec losed.
RThe engine hood mus tbeclosed.
170
Driving and pa rking
RActivating or deacti vating ActiveS teering
Assis torD ista nce Assist DISTRONIC
The driver must beready totake control of the
ve hicle at an ytime.
Information on Hill StartA ssist
Hill StartA ssisth olds thev ehicle foras hort
time when pulling away on ahill under thef ol‐
lowing conditions:
RThe transmission is in position hork.
RThe electric parking brak eisreleased.
This gives youe nough tim etomoveyour foot
from theb rake pedal tothea ccelerator pedal
and depress it befor ethe vehicle begins toroll.
&
WARNING Risk of accident and injury
caused bythev ehicle rolling away
Af teras horttime, Hill StartA ssistnol onger
holds thev ehicle and it can rollaw ay.
#Therefore, swiftl ymove your foot from
th eb rake pedal tothea ccelerator
pedal. Ne vera ttem pttolea vethev ehi‐
cle if it is being held byHillStart Assist.
HOLD function
HOLD function
The HOL Dfunction holds thev ehicle at astand‐
st ill without requ iring youtod epress theb rake
pedal, e.g. when pulling away on steep slopes.
Sy stem limitations
RThe incline mus tnotbe grea tert han 30%.
Ac tivating/deactivatin gthe HOLDf unction
&
WARNING Risk of an accident duetot he
HOLD function being acti vatedw heny ou
lea vethev ehicle
If yo ul eave thev ehicle while onl ythe HOLD
function is braking thev ehicle, thev ehicle
can rollaw ay inthef ollowing situations:
RIfth er eisam alfunction in thes ystemo r
in thep owe rsupply.
RIfth eH OLD function is deactivated by
depressing thea ccelera torp edalort he
brak epedal, e.g. byavehicle occupant.
RIfth ee lectrics in thee ngine compart‐
ment ,the batter yorthe fuses ar etam‐
pered wit horifthe batter yisdisconnec‐
te d.
#Alw aysd eactivat ethe HOLD function
and secur ethe vehicle agains trolling
aw ay befor eleaving thev ehicle.
* NO
TEDama gefrom au tomatic braking
When ActiveB rake Assi st,A ctiv eDista nce
Assist DISTRONICo rthe HOLD function are
activated, thev ehicle brakes autonomously
in cer tain situations.
To avo id damag etothevehicle, deactivate
th ese sy stems in thef ollowing or simila rsit‐
uations:
#During towing
#In ac arwa sh
Driving and parking 17
5
Requirements:RThe vehicle is stationar y.
RThe driver's door is closed or thes eat belt on
th ed rive r's side is fastened.
RThe engine is running or hasb eena utomati‐
cally switched of fbythe EC Ostart/s top
function.
RThe electric parking brak eisreleased.
RActiveD ista nce Assist DISTRONICi snotacti‐
va ted.
RVe hicles with automatic transmission:
The transmission is in position h,kori.
Ac tivatin gthe HOLDf unction
#Depress theb rake pedal and af teras hort
time depress fur ther until theë display
appear sinthe multifunction displa y.
#Release theb rake pedal.
Deactivating the HOLD function
#Depress thea ccelerator pedal topull away.
or
#Depress theb rake pedal until theë dis‐
pla yd isappear sfromt he multifunction dis‐
pla y.
The HOLD function is deactivated in thef ollow‐
ing situations:
RWhen ActiveD ista nce Assist DISTRONICi s
acti vated.
RVe hicles with automatic transmission:
when transmission position jis selected.
RWhen thev ehicle is secured wit hthe electric
parking brake.
In thef ollowing situations, thev ehicle is held by
th et ransmission position jorby thee lectric
parking brake:
RWhen thes eat belt is unfas tened and the
driver's door is opened.
RWhen thee ngine is switched off.
RWhen ther eisam alfunction in thes ystemo r
if th ep ower supply is insu fficient.
AIR BODY CONT ROL
AIR BODY CONT ROLfunction
AI RB ODYC ONTROL is an air suspension sy stem
wit hvariable dampingf or improveddriving com‐
fo rt.T he all-round le velc ontrol sy stem ensures
th eb estp ossible suspension and const ant
groundc learance, evenw ithal aden vehicle.
When driving at speed, thev ehicle is lo wered
automaticall ytoimprove driving saf etya nd to
re duce fuel consum ption. The option of manually
adjustin gthe vehicle le velisa lsoavailable.
AI RB ODYC ONTROL comprises:
RAir suspension wit hvariable spring rate
RAu tomatic le velc ontrol sy stem
RSpeed-dependent lo wering toreduce fuel
consum ption
RManuall yselecta ble high-le vels etting for
grea terg round cleara nce
RADS PLUS (Ada ptiveD amping Sy stem with
const ant dampingf orce adjustment)
RDYNA MIC SELECT switc hand le velb utton
17 6
Driving and pa rking