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