Page 217 of 585
#
Ifth eL IM indicator lam pislit:s elect Active
Dis tance Assi stDISTRONIC 1. #
Remo veyour foot from thea ccelerator pedal. #
Storec urrent speed 3.
Yo ur vehicle adapts its speed tothat of the
ve hicle in front, but onl yuptothestored
speed.
or #
Call up stored speed 3. #
Oron vehicles with theD riving Assis‐
tance Packag ea nd Traf ficS ign Assis t:if
Ac tiveS peed Limi tAssistinthem ultimedia
sy stem and ActiveD ista nce Assi st
DISTRONI Careacti vated, thed ispla yed
speed limit is adop ted, if available 3. #
Deactivat eActiv eDista nce Assi stDISTRONIC
2. #
Increase 4orreduce 5thes peed. #
Reduce 6or increase 7thes pecified dis‐
ta nce from thev ehicle in front.
Pulling away wit hA ctive Distance Assist
DISTRO NIC
Re quirement
As peed has been pr eviousl ystore d. 214
Driving and pa rking
Page 218 of 585

#
Remo veyour foot from theb rake pedal. #
Brief lypull thec ruise control le vertow ards
you 3.
or #
Accelerat ebrief ly.
Yo ur vehicle pulls away and adapts its speed
to that of thev ehicle in front. If no vehicle is
de tected in front, your vehicle accelerates to
th es etspeed.
Ad opting thes peed limit as thes toreds peed
Re quirements:
R ActiveS peed Limi tAssistis activated in the
multimedia sy stem (→ page247).
R ActiveD ista nce Assi stDISTRONI Cisactiva‐
te d.
R The sy stem de tects atraffic sign indicating a
speed limit. #
Brief lypull thec ruise control le vertow ards
you 3.
The displ ayed speed limit is adop tedast he
st ored speed. Your vehicle adapts its speed
to that of thev ehicle in front, but onl yupto
th es tore ds peed. If ActiveS peed Limi tAssist is activated, an
ydetected changes in the
speed limit ar eadop tedbyt he system.
Collision warning
If Ac tiveD ista nce Assi stDISTRONI Cisunableto
suf ficiently decele rate thev ehicle in order to
pr eve nt it from approa ching thev ehicle in front,
yo uw ill be warned visuall yand acousticall y.An
intermittent warning tone will then sound and
th ed ista nce warning lam pwill light up in the
instrumen tclus ter. #
Brak eimmediately in order toinc rease the
dis tance from thev ehicle in front.
or #
Take evasiv eaction pr ovided it is saf etodo
so. Ac
tiv eS teering Assist Fu
nction of Activ eS teering Assist
Ac tiv eS teering Assis tisonlya vailable for
ve hicles with theD riving Assistance Pack‐
age.
R ActiveS teering Assis tisoperational at
speeds up to210k m/h and helps youtos tay in
thec ent reofthel ane bymeans of moder‐
at es teering inter ventions.
R It uses thev ehicle in front and thel ane mark‐
ings as areferenc edepen ding on thed riven
speed.
R ActiveS teering Assis trequires youast he
driver ,tokeepyour hands on thes teering
wheel at all times so that youa reable to
inter vene at an ytime tocor rect thec ourse of
th ev ehicle and keep it in lane.
R ActiveS teering Assis tcan be overridden at
an yt ime bysteering thev ehicle yourself.
R When thes ystemisa ctivelysteering, the
è symbol is shown in green in them ulti‐
function displa y.
Sy stem limitations of Activ eS teering Assist
Ac tiveS teering Assis thas alimited steering tor‐
qu efor lateral guidance. In some cases ,the
st eering inter ventio nisn otsufficien ttok eepthe
ve hicle in thel ane.
If th ed etection of lane markings and vehicles
ahead is impaired, ActiveS teering Assist
switches topassiv emode. The sy stem pr ovides
no suppor tinthis case. During thet ransition Driving and parking
215
Page 219 of 585

from
thea ctiv etop assivestatus ,the è sym‐
bol is shown as enlar geda nd flashes yello w.
Once thes ystemisp assivethe è symbol is
shown as gr eyinthem ultifunction displa y.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing ins tances:
R Ifth er eisp oor visibility ,e.g. due toinsuf fi‐
cient illumination of ther oad, or due tosno w,
ra in, fogorh eavy spr ay.
R Ifth er eisg lare, e.g. from oncoming traf fic,
di re ct sunlight or reflection from other vehi‐
cles (e.g. if thec arriag ew ay iswe t).
R Ifth ew indscreen is dirty ,miste du p, dam‐
aged or co vered, fori ns tance byasticker,in
th ev icinit yoft he camera.
R If no, or se veral, unclear lane markings are
presen tfor one lane, e.g. in aconstruction
area.
R Ifth el ane marking sarewo rnaw ay,d arkor
co veredu p, e.g. bydirtors now.
R The dis tance tothev ehicle in front is too
small and thel ane marking sthus canno tbe
de tected. R
Ifth el ane marking schang equickl y,e.g.
lanes branc hoff,c ross one ano ther or
mer ge.
R The car riag ewa yisn arrow and winding.
R Ifth er ea rehighly variable shade conditions
on thec arriag ewa y.
R Ifth er ea reobs tacle ssuchaso bject mar kers
on thel ane or projecting out int othe lane.
The sy stem does no tprovide assis tance in the
fo llowing conditions:
R Onvery shar pbends.
R When towing atrailer.
R Ifyo ua ctivel ychang elane without swit ching
on thet urns ignal indicator.
R Ifyo us wit ch on thet urns ignal indicator and
th ec onditions fora ctivating ActiveL ane
Chang eAssistaren otfulfilled.
Ac tivatin gActive Ste ering Assist
Requ irements:
R ESP ®
mus tbea ctivated, but no tinter vening. R
ActiveD ista nce Assi stDISTRONI Cisactiva‐
te d. #
If indicator lamp 1is off: press button 2.
Fu nction of Activ eL aneC hang eAssist
Ac tiveS teering Assis tisonlyana id.Youa re
re sponsible fort he dis tance tothev ehicle in
front, forv ehicle speed, forb raking in good time
and fors tayi ng in lane. Befor echanging lanes, 216
Driving and pa rking
Page 220 of 585

mak
esuret hat then eighbouring lane is free
(shoulder view).
% The availabilit yofthefollowing function is
countr y-dependent.
Ac tiveS teering Assis tremain sactiv eevenift he
tur ns igna lindica toriss witched on. ActiveS teer‐
ing Assis tthen assists thed rive rw hen changing
lane sbya pplying steering torques toinitiat ethe
lane change.
Assis tance when changing lane sisprovide difa ll
th ef ollowing condition sareme t:
R Youa redrivin gonam otorway or high-speed
multi-lane major road wit hmultiple lane sin
th ed irection of tr avel.
R The neighbouring lane is free and separated
by ab roke nl ane marking.
R The driven spee disbetwe en 80 km/h and
18 0k m/h.
R The tur nsigna lindicator is switched on for
longer than tw oseconds.
If th es ystem is impaired, ActiveL aneC hange
Assi stma ybec ancelled. If an inter ruption
occurs, display 1appear sinthe multifunction displa
yalong wit hawarning tone prom pting you
to take control of thev ehicle. Ste
ering and contact de tection
Ac tiveS teering Assis trequires youast he driver,
to keep your hands on thes teering wheel at all
times so that youa reable tointer vene at any
time tocor rect thec ourse of thev ehicle and
ke ep it in lane. The driver mus texpect achange
from activ etopassivemode or vice versaata ny
time.
If yo ua renots teering yourself or if yout ake
yo ur hands of fthe steering wheel forap ro‐
longed period of time, thes ystemw ill, depend‐
ing on thes ituation ,first aler tyou wit havisual wa
rning. 1appear sinthe multifunction displa y.
If yo ua restill no tsteering thev ehicle yourself or
if yo uh ave nottaken hold of thes teering wheel,
aw arning tone sounds in additio ntothewarning
messag etoremind youtot akec ontrol of the
ve hicle.
The warning messag edoes no tappear or disap‐
pear sifo ne of thef ollowing condition sareme t:
R The driver steer sthe vehicle.
R The driver presses asteering wheel button or
operates Touc hC ontrol.
Fu nction of Activ eE me rgency Stop Assist
If th ed rive rc ontinues toigno rethea coustic
wa rning of ActiveL aneC hangeA ssist,A ctive
Dis tance Assi stDISTRONI Creduces thes peed.
If th ed rive rs tilld oes no trespond, thev ehicle is
decelerated in stages toas tandstill.
The driver can cancel thed eceleration at any
time byper form ing one of thef ollowing actions:
R Steering
R Braking or accelerating
R Pressing asteering wheel button or operat‐
ing Touc hC ontrol Drivin
gand parking 217
Page 221 of 585

R
Activating or deacti vating ActiveS teering
Assis torD ista nce Assi stDISTRONIC
The driver mu stbe ready 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:
R The transmission is in position hork.
R The 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 inju ry
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
R The incline mus tnotbe grea tert han 30%.
Ac tivating/deactivatin gthe HOL Dfunction &
WARNING Risk of an accident du etothe
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:
R Ifth er eisam alfunction in thes ystemor
in thep owe rsupply. R
Ifth eH OLD function is deactivated by
depressing thea ccelera torp eda lort he
brak epedal, e.g. byavehicle occupant.
R Ifth 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 auto matic braking When
ActiveB rake Assi st,A ctiv eDista nce
Assi stDISTRONI Corthe 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 similars it‐
uations: #
During towing #
Inac arwa sh 218
Driving and pa rking
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Re
quirements:
R The vehicle is stationar y.
R The driver's door is closed or thes eat belt on
th ed rive r's side is fastened.
R The engine is running or ha sbeena utomati‐
cally switched of fbythe EC Ostart/s top
function.
R The electric parking brak eisreleased.
R ActiveD ista nce Assi stDISTRONI Cisnotacti‐
va ted.
R The transmission is in position h,kori.
Ac tivatin gthe HOL Dfunction #
Dep ress 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:
R When ActiveD ista nce Assi stDISTRONI Cis
acti vated.
R The transmission is switched toposition j.
R When 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:
R When thes eat belt is unfas tened and the
driver's door is opened.
R When thee ngine is switched off.
R When ther eisam alfunction in thes ystemor
if th ep ower suppl yisinsufficient. DY
NA MIC BODY CONT ROL DY
NA MIC BODY CONTROL has thef ollowing
ch aracteristics:
R Variable dampin gcharacteristics
R Continual adju stme nt of thed amping forc es The damping
characteristic sadap ttot he cur rent
operating and driving situation.
The da mping is tuned individuall yfor eac hwheel
and is af fected bythef ollowing factors:
R The road sur face conditions
R Vehicle load
R The driv eprogram selected
The driv eprogram can be adjus tedu sing the
DY NA MIC SELECT switch. AIR
BODY CONT ROL AIR
BODY CONT ROLfunction
AI RB ODYC ONTROL is an air suspension sy stem
wit hvariable dampin gfor impr oveddriving com‐
fo rt.T he all-round le velc ontrol sy stem ensures
th eb estp ossible suspension and const ant
groun dclearance, even wit haladen 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. Drivin
gand parking 219
Page 223 of 585
AIR BOD
YCONTROL comprises:
R Air suspension wit hvariable spring rate
R Automatic le velc ontrol sy stem R
Speed-dependent lo wering toreduce fuel
consum ption
R Manual le vela djustment R
ADSP LUS( Adaptiv eDamping Sy stem with
const ant dampin gforce adjustment)
R DYNA MIC SELECT switc hand le velb utton
Av ailable suspension settings Driv
eprogram Characteristics
C
(Comfort) R
The suspension tuning is comfor table.
R The vehicle is se ttothe normal le vel.
R When drivin gatspeeds of abo ve125k m/h thev ehicle is lo wered.
R When driving at speeds belo w80km/h,thev ehicle is raised again.
E
(Econo my) R
The suspension tunin giscomfor table.
R The vehicle is se ttothe lo wlevel.
R The vehicle is no tlowe reda nyfurther if youa retrav elling at higher speeds.
S
(Sport) R
The suspension tunin gisfirmer.
R The vehicle is se ttothe lo wleve l.
R The vehicle is no tlowe reda nyfurther if youa retra velling at higher speeds. 220
Drivingand parking
Page 224 of 585

Driv
eprogram Characteristics
All vehicles exceptA ll-Te rra in
ve hicles: S+
(Spor tPlus) R
The suspension tuning is evenfirmer.
R The vehicle is se ttothe lo wleve l.
R The vehicle is no tlowe reda nyfurther if youa retra velling at higher speeds.
All- Terrain vehicles: AT
(All- Terrain) R
Suspension tuning is fore asily negotiabl eoffro ad terrain.
R The vehicle is se ttothe high le vel.
R When drivin gatspeeds of abo ve35 km/h thev ehicle is lo weredtot he normal le vel.
R When drivin gatspeeds belo w20km/h,thev ehicle is raised again. Setting
thev ehicle le vel &
WARNING Risk of accident because
ve hicle le velist oo high
If yo ud rive atah igher vehicle le vel,th ed riv‐
ing characteristic smaybe impaired due to
th eh igher vehicle centre of gravity.
The vehicle can drif toutwards, fore xamp le,
when steering or cornering. #
Alw aysc hoose avehicle le velw hic his
suited tothed riving stylea nd ther oad
sur face conditions. &
WARNING Risk of entrapment from vehi‐
cle lo wering
Whe nlowe ring thev ehicle, other people
could become trapped if their limbs are
between thev ehicle body and thet yres or
underneat hthe vehicle. #
Mak esurenoo ne is underneat hthe
ve hicle or in thei mmediat evicinity of
th ew heel ar ches when youl owe rthe
ve hicle. &
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AIRB ODYC ONT ROLor
le ve lc ontrol sy stem: When youu nload lug‐
ga ge or lea vethev ehicle, thev ehicle first Driving and pa
rking 221