Page 169 of 521

R
Displ aymessa ges( → pag e418)
ETS/4ET S(Elect ronic Tractio nSystem)
ETS/4E TStraction control is pa rtof ESP ®
and
makes it possible topull away or accelerat eona
slipper ysurface. ETS/4ET
Scan impr ovethev ehicle's traction by
inter vening in thef ollowing ways:
R The driv ewheels ar ebrake di ndividually if
th ey spin.
R Mor edrive torque is transferred tothew heel
or wheels wit htraction. Influence of driv
eprograms on ESP ®
The driv eprogram senabl eESP®
to adap ttod if‐
fe re nt we ather and road condition saswell as
th ed rive r's prefer redd riving style. Youc an
select thed rive programs using theD YNAMIC
SELECT switc h(→pag e147).
ESP ®
ch aracteristics per driv eprogram Driv
eprogram
ESP®
mode Characteristics
S (Sport)
ESP®
Sport This driv
eprogram continues tooffers tability
but wit hasporty setup whic hallows thee nthu‐
siastic driver amorea ctiv edriving style.
Onl yselect driv eprogram Sin good road condi‐
tions ,for example on dr yroads and clear
st re tche sofr oad.
C (Com fort)
E (Economy) ESP
®
Comfort Thes
edrive programs pr ovide thei deal balance
between traction and stabilit y.
Select driv eprogram C,CV orE,ind ifficult road
conditions, suc hasinsnowori ce, or when the
ro ad is wetfromr ain. 16 6
Driving and pa rking
Page 188 of 521

If no
vehicle is de tected in thea djacen tlane and
al ane chang eisp ermitted, thes teering wheel
symbol and thea rrow ares hown in green 2.
The Lanechang etot heleft messag eappears,
fo re xamp le. IfActiveL aneC hangeA ssisthas
been activated wit hthe tur nsignal indicator but
al ane chang eisn otimmediatel ypossible, the
st eering wheel symbol remains green and the
ar row appear sgrey 1.W hent he lane change
suppo rtstarts ,the tur nsignal indicator is auto‐
maticall yactivated. If alane chang eisn otpossi‐
ble, thea rrow fa des out af teras hortperiod and
an ew lane chang em ustbei nitiated. An immedi‐
at el ane chang eiso nly possible on mo torw ay
sections without speed limits. If
th es ystemisi mpaired, ActiveL aneC hange
Assi stma ybec ancelled. If it is cancelle dthe
Lane change cancelled messageappear sinthe
multifunction displa yand aw arning tone sounds. &
WARNING Risk of accident from chang‐
ing lane toan occupied adjacent lane
Lan eChan geAssi stcanno talway sd etect
clear lyifth ea djacen tlane is free.
The lane chang em ightbei nitiated although
th ea djacen tlane is no tfree. #
Befor echanging lanes, mak esuret hat
th en eighbouring lane is free and there
is no danger to otherroad users. #
Monitor thel ane change. &
WARNING Risk of accident if Lane
Chang eAssistunexpectedl ystops func‐
tioning
If th es ystem limitations forL ane Change
Assis thave been reached, ther eisnog uar‐
antee that thes ystem will remain active. Lane Chang
eAssis tcanno tthen assis tyou
by applying steering torques. #
Alw aysm onitor thel ane chang eand
ke ep your hands on thes teering wheel.
Obser vethet raffic condition sand steer
and/or brak eifnecessar y. Sy
stem limitations
The sy stem limitations of ActiveS teering Assist
apply toActiveL aneC hangeA ssist
( → pag e182).
Ac tivating/deactivatin gActive Lan eChange
Assi st
Multimedia sy stem:
, Vehicle .
k Assistance #
Select Lane change assist. #
Activate Oor deacti vate ª thef unction.
Fu nction of Activ eE me rgency Stop Assist
If th ed rive rc ontinues toigno rether epeated
acoustic warning toput their hands on thes teer‐
ing wheel, ActiveD ista nce Assi stDISTRONIC
re duces thes peed. If thed rive rs tilld oes not
re spond, theBeginning emergency stop mes‐ Driving and parking
18 5
Page 404 of 521

#
Slide thew heel tobe mounted ont othe cen‐
tring pin and push it on. &
WARNING Risk of inju ryfrom tightening
whee lbolts and nuts
If yo ut ighten thew heel bolts or wheel nuts
when thev ehicle is raised, thej ackc ould tip. #
Onlytighten wheel bolts or wheel nuts
when thev ehicle is on theg round. #
Fors afet yr easons, onl yuse wheel bolts
whic hhaveb een appr ovedbyM ercedes-
Benz and fort he wheel in question. #
Tighten thew heel bolts until they aref inger-
tight. #
Unscr ew thec ent ring pin. #
Tighten thel astw heel bolt until it is finger-
tight. #
Ifth ec ollapsible emer gency spa rewheel has
been fitted ,infla tethec ollapsible emer gency
spa rewheel (→ page405). #
Lowe rthe vehicle (→ page403). Lo
weri ngthev ehicle af teraw heelchange Re
quirements:
R The ne wwheel has been fitted (→ page 400).
* NO
TEDama getothee mer gency spa re
wheel when lo wering thev ehicle If
th ec ollapsible emer gency spa rewheel is
no tinflated befor ethe vehicle is lo wered, its
ri mm aybe dama ged. #
Inflat ethe collapsibl eemer gency spa re
wheel befor elowe ring thev ehicle, using
th et yrei nflation compressor. #
Place ther atche tring sp anner ont othe he xa‐
gon nut of thej acksot hatthel ette ring "AB"
is visible. #
Tolowe rthe vehicle: turnthe ratche tring
sp an ner of thej acka nti-clockwise. #
Tighten thew heel bolts evenlyinad iagonal
patter ninthe order indicated (1 to5 ).
Specified tightening torq ue: 150N m. &
WARNING Risk of accident du etoincor‐
re ct tigh tening torque
Th ew heel scould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed torque. #
Have thet ightening torque checked
immediatel yataqualified specialist
wo rkshop af terc hanging awheel. Wheels and tyres
401