ESP MERCEDES-BENZ SL CLASS 2020 Repair Manual

X
To acti vate :shi ftthe selecto rle ver to005B.
X Pre ssbutton 0043.
X To deac tivate: pressbutton 0043.
Merc edes-AMG vehic les X
To acti vate :shi ftthe selecto rle ver to005B.
X Pre ssbutton 0043.
X To deac tivate: pressbutton 0043.
or X Ifpo sitio nD (auto matic trans mission) is
sel ecte dfor the trans mission indri ve pro -
gra mI:shi ftto drive pro gramIwi th the
DYNAM ICSELEC Tcontro ller.
Shi ftin gge ars Al
lve hic les(e xc ept Merc edes-AMG vehi-
cl es ) X
To shi ftup: pullstee ring wheelpa dd le
shi fter 0044.
The automa tictrans mission shifts uptothe
next gear.
If the maximu mengi nespe edinthe cur-
rentl yenga gedgearis rea che dand youcon-
tinu eto acce lerate ,the automa tictrans mis- si
on automa tically shi fts upinord erto pre -
vent enginedama ge.
X To shi ftdow n:pullstee ring wheelpa dd le
shi fter 0043.
The automa tictrans mission shifts down to
the next gear.
Auto matic down shifting occurswh en coa st-
ing .
If the engi newereto exce edthe maximu m
engi nespe edwhen shifting down, theauto-
ma tic trans mission pro tects against engi ne
da ma gebynot shifting down.
Merc edes-AMG vehic les
! If
ma nua lgea rshifting ispe rma nentl yacti -
vate d,the automa tictrans mission does not
shi ftup automa tically eve nwh en the engi ne
li miti ngspe edfor the current gearis
rea che d.Whe nthe engi nelimiti ngspe edis
rea che d,the fuelsu pp lyis cut topre vent
the engi nefrom overrevving. Alwaysma ke
su re tha tthe engi nespe eddoes not reach
the red areaof the tach ometer.Thereisoth-
erw ise aris kof engi nedama ge. X
To shi ftup: pullstee ring wheelpa dd le
shi fter 0044.
The automa tictrans mission shifts uptothe
next gear.
X To shi ftdow n:pullstee ring wheelpa dd le
shi fter 0043.
The automa tictrans mission shifts down to
the next gear.
Auto matic down shifting occurswh en coa st-
ing .
If the engi newereto exce edthe maximu m
engi nespe edwhen shifting down, theauto-
ma tic trans mission pro tects against engi ne
da ma gebynot shifting down. Au
tomati ctransmi ssion
143Dr ivi ng andparki ng Z

Shift
recommendat ion All
vehicles (exceptMercedes-AMG vehi-
cles) The
gearshift recommen dationsassistyouin
adopting aneconomical drivingstyle.Therec-
ommended gearisshown inthe multifunct ion
display .
X Shift torecommen dedgear 0044according to
gearshift recommen dation0043when shown
in the multifunct iondisplay ofthe instru-
ment cluster.
Mercedes-AMG vehicles The
gearshift recommen dationsassistyouin
adopting aneconomical drivingstyle.Therec-
ommended gearisshown inthe multifunct ion
display .
X Shift torecommen dedgear 0044according to
gearshift recommen dation0043when shown
in the multifunct iondisplay ofthe instru-
ment cluster.
Upshifting (Mercedes-AMG vehicles) !
If
manual gearshifting ispermanent lyacti-
vated, theautomatic transmissiondoesnot shift
upautomatically evenwhen theengine
limiting speedforthe current gearis
reached. Whentheengine limiting speedis
reached, thefuel supply iscut toprevent
the engine fromoverrevving. Alwaysmake
sure thattheengine speeddoesnotreach
the red area ofthe tachomet er.There isoth-
erwise arisk ofengine damage. 0043
Gear indicator
0044 Upshift indicator
Before theengine speedreaches thered area,
an upshift indicator willbeshown inthe multi-
funct iondisplay .
X When theUP UP
message appearsinthe multi-
funct iondisplay ,pull onthe right-han d
steering wheelpaddle shifter.
Kickdow n X
For maximum acceleration, depressthe
accelerator pedalbeyond thepressure
point.
The automatic transmissionshiftstoalower
gear depending onthe engine speed.
X Shift back uponce thedesired speedis
reached.
During kickdown, youcannot shiftgears using
the steering wheelpaddle shifters.
If you apply fullthrot tle,the automatic trans-
mission shiftsuptothe next gear when the
maximum enginespeedisreached. Thispre-
vent sthe engine fromoverrevving.
Mercedes-AMG vehicles:kickdown isonly
possible inthe temporary setting. 144
Automat
ictransmissionDriving andparking

Dur
ing braking :
R awa rning tone sounds
R the ReleasePar kingBra ke Rel
easePar kingBra kemes sage
ap pe ars
R the red 0049 (USA only)or 0024 (Cana da
onl y)ind icator lamp inthe instrument clus-
ter flashe s
Wh enthe vehicleha sbe en bra ked toasta nd-
sti ll, the electri cpa rkin gbra keisap plied. Parki
ngthe vehic lefora lo ng peri od
If yo uleav ethe vehiclepa rked forlonge rtha n
fou rwe eks ,the battery maybe dama gedby
exh austive disch arging.
If yo uleav ethe vehiclepa rked forlonge rtha n
si x we eks ,the vehiclema ysu ffe rda ma geasa
res ultof lack ofuse.
X Visita qu alifi ed speci alistwo rksh opand
see kad vic e.
i Yo
ucan obtaininfo rma tionab ou ttric kle
cha rgersfro maqu alifi ed speci alistwo rk-
sho p. Dri
ving tips Ge
neral notes
Impo rtant safety notes G
WA
RNING
If yo usw itch offthe igniti onwhile dri vin g,
sa fety -releva ntfunctio nsareonl yav ailabl e
wi th limita tions, ornot atall. Thi scou ld
af fect, forexa mpl e,the powe rstee ringand
the brakeboosti ngeffect. Youwi llreq uire
cons idera blymor eeff ort tostee rand brake.
The reisaris kof an acc ident.
Do not switch offthe igniti onwhile dri vin g. G
WA
RNING
Mob ile comm unicati ons equipme ntdistra cts
the driver fromtra fficcond itions. Inaddi-
tio n,the driver couldlose contro lof the
veh icle. The reisaris kof an acc ident. As
adri ver ,us emob ile comm unicati ons
eq uipme ntonl ywh en the vehicleis at a
sta nds till.
As aveh icleoccu pant, usemob ile comm uni-
cati ons equipme ntonl yin the designa ted
ar ea ,e.g .the rearpa sse nge rcomp artment.
Ob ser vethe lega lreq uirem ents forthe country
in wh ich youar edri vin g.Some jurisdi ctio ns
pro hibi tthe driver fromusing amob ile ph one
wh ile dri vin gaveh icle.
If yo uma keacal lwh ile dri vin g,alwa ysuse
ha nds -freemod e.Onl yop era tethe telephon e
wh en the trafficsitua tionpe rmi ts.Ifyo uar e
uns ure, pu llove rto asa fe locati onand stop
be for eop era ting thetelephon e.
Bea rin min dtha tat asp ee dof onl y30 mph
(a pp roxi mately50 km/h ),the vehiclecove rsa
di sta nce of44 ft(app roxi mately14 m)per
sec ond .
Dri vesens ibly –sav efue l Ob
ser vethe followi ng tipsto save fuel:
R The tiressho uld alwa ysbe inflate dto the
reco mme ndedtire pressu re.
R Re mov eunne cessary load s.
R Wa rm upthe engineatlow eng inespee ds.
R Avoi dfre quent accelera tionor bra king .
R Ob ser vethe serviceinte rvalsin the Mainte -
nance Bookletor inthe serviceinte rvaldi s-
pl ay .Hav eallthe mainte nance workcar ried
in acc ordance with Dai mle rAG regulati ons.
Fue lcons umption also incr eases when drivin g
in col dwe ath er, instop -starttra fficand inhilly
terr ain.
Dri nki ngand driving G
WA
RNING
Drin king anddrivin gand /or takingdru gs
and drivin gar ever yda nge rouscomb ina-
tio ns. Even asma llam ount ofalcoh olor
dru gscan affect your ref lexes ,pe rcep tions
and judgme nt.
The possi bility of aser ious oreve nfa tal
acc ident isgre atlyincr eased when youdri nk
or take drugsand drive. 15
0 Dr
ivi ng tipsDrivi ng andparki ng

The
ECO display consistsof three section s,
with aninner andouter area.Thesection scor-
respond tothe following threecategories: 0043
Acce
leration (evaluation ofall
acceleration processes):
R the outer areafillsupand the
inner arealights upgreen: moder-
ate acceleration ,especially at
higher speeds
R the outer areaempties andthe
inner areaisgray: sporty acceler-
ation 0044
Coasting
(evaluation ofall deceler-
ation processes):
R the outer areafillsupand the
inner arealights upgreen: antici-
patory driving, keeping yourdis-
tanc eand early release ofthe
accelerator. Thevehicle can
coast without useofthe brakes.
R the outer areaempties andthe
inner areaisgray: frequent heavy
braking 0087
Constant
(continuous evaluation
over theentir ejourney):
R the outer areafillsupand the
inner arealights upgreen: con-
stant speed andavoidance of
unnec essary acceleration and
deceleration
R the outer areaempties andthe
inner areaisgray: fluctuations in
speed The
three innerareas display thecurrent driv-
ing style andlight upgreen asaresult ofapar-
ticularly economicaldriving style.Dependin g
on the driving situation, uptotwo areas may
light upsimultaneously.
At the beginning ofthe journey, thethree
outer areas areempty andfillup asaresult of
econom icaldriving. Ahigher levelindicates a
more econom icaldriving style.Ifthe three
outer areas arecompletely filledatthe same
time, thedriver hasadopted themost eco-
nomical drivingstyleforthe selected settings
and prevailing conditions.TheECO display
border lightsup.
The ECO display doesnotindicate theactual
fuel consumpt ion.Theadditionally achieved range
display edunder Bonus fr.start Bonus
fr.start does
not indicate afixed consumpt ionreduction .
In addition todriving style,theactual con-
sumption isaffect edbyother factors,such as:
R load
R tire pressure
R cold start
R choice ofroute
R active electric alconsumer s
These factorsare not included inthe ECO dis-
play.
An econom icaldriving stylespecially requires
driving atmoderate enginespeeds.
Achievin gahigher valueinthe categories
"Accelerat ion"and"Constant ":
R observe thegearshift recommendations .
R drive thevehicle indrive program Cor E.
In urban trafficand stop- start traffic,drive pro-
gram Cis recomm ended.
On long journeys ataconst antspeed, e.g.on
the highway, onlytheouter areafor"const ant"
will change.
The ECO display summarizes thedriving style
from thestart ofthe journey toits completion .
Therefore, therearemore marked changes in
the outer areas atthe start ofajourney. On
longer journeys, therearefewer changes. For
more marked changes, performamanual rest
(Y page 196).
Further informationonthe ECO display
(Y page 195). Br
aking
Import antsafety notes G
WARNIN
G
If you shift down onaslippery roadsurface
in an attempt toincrease theengine's brak-
ing effect ,the drive wheels couldlosetheir
grip. There isan increased dangerofskid-
ding andaccident s.
Do not shift down foradditional enginebrak-
ing onaslippery roadsurface. 152
Driving
tipsDriving andparking

Downh
illgrad ient s !
On
long,steep gradie nts, you mus tred uce
th eload onthebra kes.To use engin ebra k-
in g, shi ftto alowe rgear ingoo dtime. This
hel psyou toavo idoverh eating th ebra kes
and wear ing th em out exce ssi vel y.
Whe nmak ing use oftheen gin ebra king
ef fect ,it is pos siblethat adri ve whee lmay
no ttu rn forsom etime, e.g. inthecas eof
sudd enlych ang ing or slip peryro ad sur face
co nd ition s.Thi sco uld causedam agetothe
dri ve train .Thi styp eof dam ageisno tco v-
ere dby theMer cedes -Ben zwarr anty.
Chan geinto alowe rgear ingoo dtime onlong
and steep down hillgradie nts. Thi sis esp ecially
imp ortant ifth eveh icle islade n.
Thi salso appli esifyou haveact ivat edcruise
co ntro lor Active Distanc eAs sis tDI ST RON IC.
Hea vyandligh tloa ds G
WAR
NING
If you restyour foot on thebra kepeda l
whil edri vin g,thebra king sys tem can over-
heat .Thi sin cr ease sth est opp ing dis tanc e
and canevencau sethebra king sys tem to
fail .The reisaris kof an acc iden t.
Nev eruse thebra kepeda las afo ot res t.
Nev erdepr essthebra kepeda land the
acc eler ator peda lat thesam etime.
! De
pre ssing thebra kepeda lco nstant ly
res ultsin exce ssi ve and premat ure wear to
th ebra kepads .
If th ebra keshav ebee nsubj ectedto aheav y
load ,do notst op theveh icle imm ediately, but
dri ve on fora sho rtwhil e.Thi sallow sth eair-
flo wto cool thebra kesmo requic kly.
Wet road s If
you havedri ven fora lon gtime inheav yrain
wit hout braking ,th ere may beadela yedreac-
ti on from thebra keswhen braking forth efir st
ti me. Thismay alsooccur aftertheveh icle has
bee nwash edordriven thro ugh deepwat er.
You then hav eto depr essthebra kepeda l
mo refirmly. Main tain agr eat erdis tanc efrom
th eveh icle in fron t.
Af terdri vin gon awet road orhav ing th eveh i-
cl e wash ed,brakefirmly whilepayin gat te nt ion to
thetraff icco nd ition s.Thi swill warm upthe
bra kediscs,th ere bydryi ngthem morequic kly
and protecting th em again stcorrosi on.
Lim ited brak ing performa nce onsalt-
tr eat edroad s If
you drive on salt edroads, alayer ofsalt resi-
due may form onthebra kediscsand brake
pads .Thi scan result inasig nific ant lylon ger
bra king distanc e.
R In order topre ven tany salt build -up,apply
th ebra kesoc cas ionally whilepayin gat te n-
ti on tothetraff icco nd ition s.
R Care fullydepr essthebra kepeda land the
beg inning and endof ajo urn ey.
R Main tain agr eat erdis tanc eto theveh icle
ahea d.
Ser vici ngthebr ak es !
The
brakeflui dlev elmay betoolow, if:
R ifth ered brakewarn ing lamp lightsup in
th einst rum entcl ust erand
R you hear awarn ing to ne whil eth een gin e
is run ning
Obs erveaddit ionalwarn ing mes sagesinthe
mult ifunction display.
The brakeflui dlev elmay betoolow due to
bra kepad wear orleak ing bra kelines.
Hav eth ebra kesys tem checke dimm edi-
at ely. Consult aqualif iedspecialis twor k-
sho pto arr ang eth is.
! As
theES P®
sys tem ope rates aut omati-
cal ly,theen gin eand theign ition mus tbe
swit ched off(t he Sm artKey mustbe inpos i-
ti on 0092 or0047 intheign ition lockor the
St art /S topbut tonmus tbe inpos ition 0092or
0047), if:
R thepar king bra keistested usin gabra ke
dyn amo meter.
R theveh icle istowed withth efron taxl e
rais ed.
Br ak ing trigg ere daut omatically byESP®
may causesev ere dam agetothebra kesys -
te m.
Al lch ecks and main tenan cewor kon thebra ke
sys tem mus tbe car riedout ataqualif iedspe-
ci alis twor kshop .
Hav ebra kepads inst alled andbrakeflui d
rep laced ataqualif iedspecialis twor kshop . Dri
ving tips
153Driving andpa rki ng Z

If
the brake system hasonly been subject to
modera teload s,you shoul dtest thefunction-
ali ty of you rbrakes atregul arintervals.
Information onBAS (Brake Assist) (Ypage 61)
and onBrake Assist withCross-Tra fficAssist
(Y page 61).
Mercedes-Benz recommendsthatyouonly
have brake pads/linings installedon you rvehi-
cle which havebeen appro vedforMercedes-
Benz vehicle sor which correspond toan
equi valent qualitystandard. Brakepads/
linings whichhavenotbeen appro vedfor
Mercedes-Benz vehiclesor which arenot ofan
equi valent qualitycould affect yourvehicle 's
opera tingsafety.
Mercedes-Benz recommendsthatyouonly use
brake fluidthat hasbeen specia llyappro ved
for you rvehicle byMercedes-Benz, orwhich
corresponds toan equi valent qualitystandard.
Brake fluidwhich hasnotbeen appro vedfor
Mercedes-Benz vehiclesor which isnot ofan
equi valent qualitycould affect yourvehicle 's
opera tingsafety.
High-performance andceramic brake
system (Mercedes-AMG vehicles) The
AMG brake systems aredesig nedfor
heavy loads.This may leadto noise when
braking. Thiswilldepend on:
R Speed
R Braking force
R Ambient conditions, e.g.temperature and
humid ity
The wearof individ ualcomponents ofthe
brake system, suchasthe brake pads/linings
or brake discs, depends onthe individ ualdriv-
ing style andopera tingconditions.
For this reason, itis impossi bletostate amile-
age that willbe vali dunder allcircumstances.
An aggres sivedriving stylewilllea dto high
wea r.You canobtain moreinformation onthis
from aqua lifiedspecia listworkshop.
New andrepla cedbrake padsanddiscs only
reach theiroptimum brakingeffectaftersev-
eral hundred kilometers ofdriving. Compen-
sate forthis byappl ying greater forcetothe
brake pedal.Keep thisinmind, andadaptyou r
driving andbraking accordingly duringthis
break-in period.
Excessive heavybraking resultsincorrespond-
ingly highbrake wear.Observe thebrake sys-
tem warning lampinthe instrument cluster and
note anybrake status messag esinthe
multifu nctiondisplay.Especial lyfor high per-
formance driving,itis important tomaintain
and have thebrake system checked regularly. Drivin
gon wetroads
Hydroplaning If
water hasaccumul atedtoacertain depthon
the road surface, thereisadanger ofhydro -
pla ning occurring.
For this reason, inthe event ofheavy rainorin
conditions inwhich hydroplaning mayoccur,
you must driveinthe follow ingmanner:
R lowe ryou rspeed
R avoid ruts
R avoid suddensteering movements
R brake careful ly
Drivin gon floo ded roads !
Do
not drive through floodedarea s.Check
the depth ofany water before driving
through it.Drive slowlythrough standing
water. Otherwise ,water couldenterthe
vehicle interior orengine compartment. It
can then dama gethe engine's orautoma tic
transmission's electroniccomponents. It
can also besucked inby the engine's air
intake connection andcause engine dam-
age. Winter
driving G
WARNING
If you shift down onaslip pery road surface
in an attempt toincrease theengine's brak-
ing effect, thedrive wheel scould losetheir
grip. There isan increased dangerofskid-
ding andaccidents.
Do not shift down foraddi tional engine brak-
ing onaslip pery road surface. G
DA
NGER
If the exhau stpipe isblocked oradeq uate
ventilation isnot possib le,poiso nous gases
such ascarbon monoxide (CO)mayenter
the vehicle .This isthe case, e.g.ifthe vehi- 154
Drivi
ngtipsDrivi ngand parking

cle
beco mestrapped insnow .The reisaris k
of fata linju ry.
If yo uleave theengi neorthe auxiliary hea t-
ing runni ng,make sure the exha ustpi pe and
are aaro und thevehi cleare clearofsnow .
To ensu rean adequ ate suppl yof fres hair,
ope nawi ndow onthe sideof the vehi cle
that isnot facinginto thewind.
Have your vehi clewinter-pro ofedataqu alifi ed
spe cialist wo rksho pat the onse tof winter.
Drive particu larly care fullyon slippe ryroa d
su rface s.Avoi dsu dde nacce lerati on, stee ring
and braking mane uvers.Do not usecrui se
control .
If the vehi clethrea tenstoskid orcannot be
stop pedwhenmovi ngatlow speed:
X Shif tthe transm ission topos ition 005C.
The outsid etempe ratureindi cator isnot
des igne dto serv eas an ice-wa rning device
and isthere foreunsu itable for that purpo se.
Ch ange sin the outsid etempe ratureare dis-
pl ay ed afte ra sho rtdel ay.
Indi cated tempe raturesjust above thefree zing
poi ntdo not guara ntee thattheroadsu rface is
free ofice .The roadmay stillbe icy,esp ecially
in wo ode dare asoron bridge s.The vehicle
cou ldskid ifyo ufai lto adaptyo ur driving
styl e.Alw aysad aptyo ur driving styleand drive
at aspe edtosuitthe prevailing weathe rcondi -
tions .
You should pa yspe cialattenti ontoroa dcon-
di tions whentempe raturesare around freezing
poi nt.
For more informa tion ondriving with snow
cha ins, see (Ypage 298).
For more informa tion ondriving with summer
tire s,see (Ypage 298 ).
Obs erve thenotes inthe "Winter operation"
secti on(Ypage 298 ). Dri
vin gsys tems Crui
secontrol
Gen eral notes Cru
isecontrol maintai nsaconsta ntroa d
spe edfor you. Itbra kes automa tically in ord er
to avo idexcee ding the setspeed. Onlong and stee
pdow nhillgra dients, especially ifthe vehi -
cle isladen, youmus tsel ect alow ergea rin
goo dtime .By doing so, youwi llmake useof
the braking effectof the engi ne.Thisrel ieves
the loadon the brakesystem andprevents the
bra kes from overheating andwearing too
qu ickl y.
Use cruisecontrol onlyifroa dand traffi ccon-
di tions make itap pro priate tomai ntai na
stea dyspe edfor apro long edper iod.You can
store anyroadspe edabove 20mph
(30 km/h ).
Impo rtant safetynotes If
yo ufai lto adaptyo ur driving style,crui se
control canneith erred uce theriskof an acci -
dent norover ridethe laws ofphy sics .Cru ise
control cannottakeintoacco unttheroad,
traffi cand weathe rcondi tions.Cru isecontrol
is only anaid. You areresp onsible for the dis-
tance tothe vehi cleinfront, forvehi clespe ed,
for braking ingoo dtime andforstay ingin
la ne.
Do not usecrui secontrol :
R in roa dand traffi ccondi tions whichdo not
al low youto mai ntai naconsta ntspe ede.g.
in hea vytraffi cor on winding roads
R on slippe ryroa dsu rface s.Braki ngoracce l-
era ting couldcau sethe drive whe elsto los e
tracti onand thevehi clecou ldthen skid
R whe nthere ispoo rvis ibility ,e.g. dueto fog,
hea vyrainor snow
If there isacha nge ofdri vers ,ad vis ethe new
dri ver ofthe speedstore d. Dri
vin gsys tems
155Drivin gand parking Z

Cru
isecont rollever 0043
Tostore thecur ren tspee dor ahigh er
spee d
0044 Tostore thecur ren tspee dor calls upthe
last store dspee d
0087 Tostore thecur ren tspee dor alower
spee d
0085 Todeac tivate cruise control
When youactivat ecr uise control, thest ore d
spee dis sho wninthemult ifunction displ ayfor
fiv esec onds. The spee dis then perm anently
displ ayed inthest atus indicat ortoget her with
th e00B2 symbol.
In veh icleswit hasegm entcir cle inthespee d-
ome ter, thesegm ents bet ween thecur ren tly
st ore dspee dand theen dof thesegm entcir -
cle light up.
St ori ng, maintaini ngand callin gup a
spe ed St
ori ng and maintaini ngaspe ed
X Ac cel erat eth eveh icle tothedesir edspee d.
X Briefl ypres sth ecr uise control leve rup 0043
or down 0085.
X Remo veyour footfr om theacc eler ator
pedal.
Cruis econ trol isact ivat ed. The vehicle auto -
mat icall ymain tainsth est ore dspee d.
You canstore thecur ren tspee difyou are
driv ingfast erthan 20 mph (30km/h).
i Cruis
econ trol may beunab leto main tain
th est ore dspee don uphill gradients.The
st ore dspee dis res umed whenthegrad ient
eve nsout .Cruis econ trol main tainsth e
st ore dspee don down hillgrad ientsby auto -
mat icall yapplyin gth ebrak es. St
ori ng orcalli ngup aspe ed G
WAR
NING
If you callupthest ore dspee dand itdiff ers
fr om thecur ren tspee d,theveh icle acceler -
ate sor dec eler ates.Ifyou donotkn ow the
st ore dspee d,theveh icle coul dacc eler ate
or brak eune xpectedly. Thereis aris kof an
acc iden t.
Pay attentio nto theroad andtraff iccon di-
tio ns bef ore calli ngup thest ore dspee d.If
you donotkn ow thest ore dspee d,store the
desir edspee dagain .
X Briefl ypull thecr uise control leve rto wards
you 0087.
X Remo veyour footfr om theacc eler ator
pedal.
The first tim ecr uise control isact ivat ed, it
st ore sth ecur ren tspee dor reg ulate sth e
spee dof theveh icle totheprev iously store d
spee d.
Set tingaspe ed G
WAR
NING
Keep inmin dth at itmay takeabrie f
mom entunt ilth eveh icle has made thene c-
ess ary adjust men ts.
In cr ease ordec reas eth eset vehicle spee d
to avalue that theprev ailingroad condition s
and legal speedlimit sperm it.Other wise,
sudde nand unexpected acc eler ationor
dec eler ationof theveh icle coul dcaus ean
acc iden tand /or serious injury toyou and
ot her s.
X To
adjust theset speedin1mp hincr e-
men ts(1 km /h incr emen ts):brie flypres s
th ecr uise control leve rup 0043 tothepres -
sure pointfor ahigh erspee d,or down 0085
for alower speed.
Ev ery timeth ecr uise control leve ris
pres sedupordown ,th elast spee dstore dis
inc reas edorreduc ed.
X To
adjust theset speedin5mp hincr e-
men ts(10 km/h incr emen ts):brie fly
pres sth ecr uise control leve rup 0043 past the 156
Driv
ingsyst emsDriv ingand parking

pressure
pointforahigher speed, or
down 0085for alower speed.
Ever ytime thecruise control lever is
pressed upordown, thelast speed storedis
incr eased orreduced.
i The
speed indicat edinthe speedomet er
may differ slightly fromthespeed stored.
i Cruise
control isnot deactiv atedifyou
depress theaccelerat orpedal. Forexample,
if you accelerat ebriefly toovert ake,cruise
con trol adjusts thevehicle's speedtothe
last speed storedafter youhave finished
overt aking.
Deactivat ingcruise control There
areseveral waystodeactiv atecruise
con trol:
X Brief lypress thecruise control lever for-
wards 0043.
or X Brak e.
Cruise control isautomatic allydeactiv atedif:
R you engage theelect ricparkin gbrake
R you aredriving atless than 20mph
(30 km/ h)
R ES P®
int erven esoryou deactiv ateESP®
R Brak eAssist interven es
R you move outoftran smission position005B
If cruise control isdeactiv ated,youwillhear a
warning tone.You willsee theCruise Con‐ Cruise
Con‐
trol Off trol
Offmessage inthe multifun ction dis-
play forapproximat elyfive secon ds.
i When
youswitch offthe engin e,the last
speed storediscleared. Active
Distance AssistDISTRON IC
General notes Ac
tive Distance Assist DISTRONIC regulates
the speed andautomatic allyhelps youmain-
tain thedistanc efrom thevehicle detectedin
fron t.Vehicles aredetec tedwith theaidofthe
radar sensor system. Active Distance Assist
DIS TRONIC brakesautomatic allytoavoid
exc eeding thesetspeed ortomaint ainthe
designat eddistanc efrom thevehicle infron t.
You must select alower gearingood timeon
long andsteep downhill gradients,especially if
the vehicle isladen. Bydoing so,you willmake
use ofthe brakin geffec tof the engin e.This
relieves theload onthe brake system andpre-
vent sthe brakes fromoverheat ingand wear-
ing too quickly.
If Ac tive Distance Assist DISTRONIC detects
that thereis arisk ofacollision withthevehi-
cle infron t,you willbewarned visuallyand
audibly. Active Distance Assist DISTRONIC
cann otpreven ta collision withoutyourinter-
vent ion. Anintermit tentwarning tonewill then
sound andthedistanc ewarning lampwilllight
up inthe instrument cluster.Brak eimmedi-
ately inorder toincr ease thedistanc efrom
the vehicle infron t,or take evasive action,pro-
vided itis safe todo so.
For Active Distance Assist DISTRONIC to
assist youwhen driving ,the radar sensor sys-
tem must beoperation al.
Ac tive Distance Assist DISTRONIC operates in
the speed rangebetween 0mph (0km/ h)and
120 mph (200 km/h).
Do not useActiv eDis tance AssistDISTR ONIC
wh ile dri vin gon roa dswith stee pgra dients .
As Activ eDis tance AssistDISTR ONICtra ns-
mits rada rwa ves ,it can resemb lethe rada r
de tecto rsof the responsi ble au thor ities. You
can referto the releva ntcha pterin the Opera -
tor' sMa nua lif qu esti ons areas ked abou tthi s.
i USA
only:
Thi sde vic eha sbe en appro ved bythe FCC
as a"V eh icu larRa darSys tem" .The rada r
sen sor isinte ndedfor usein an automo tive
ra da rsy stem only.Re mov ing,tam perin g
wi th, oralteri ngthe devic ewi llvoi dany war-
ra ntie s,and isnot permi tted bythe FCC .Do
not tamperwi th, alter, orusein any non-
ap pro ved way. Dr
ivi ng system s
157Drivi ng andparki ng Z

Any
unauthorized mod ificati ontothisde vice
cou ldvoi dthe user' sau thor itytoopera te
the equipme nt.
i Ca
nad aonl y:Thi sde vice comp lies with
RSS-2 10ofIndu stry Canad a.Ope ratio nis
su bje ctto the followi ng two cond itions:
1. Thi sde vice maynot causeinte rference ,
and
2. Thi sde vice mustacce ptany interference
rece ived,incl uding inte rference thatma y
cau seund esired opera tionof the device .
Re mova l,tamp ering, oralteri ngofthe
de vice willvoi dany warrantie s,and isnot
pe rmi tted .Do not tamp erwith, alter, oruse
in any non-a pprove dwa y.
Any unauthorized mod ificati ontothisde vice
cou ldvoi dthe user' sau thor itytoopera te
the equipme nt.
Impo rtant safetynotes G
WA
RNING
Active Distance AssistDISTR ONICdo es not
rea ctto:
R pe op leor ani ma ls
R sta tionar yob jects inthe road,e.g .stop -
pe dor parked vehicles
R onco ming vehicles and crossing traf fic
As ares ult, Active Distance Assist
DISTR ONICma ynei ther give warning snor
inte rveneinsuch situa tions. The reisaris k
of an acci dent.
Alw ayspa ycar efulatte ntionto the traffic
si tua tionand berea dytobra ke. G
WA
RNING
Active Distance AssistDISTR ONICdo es not
rea ctto:
R pe op leor ani ma ls
R sta tionar yob jects inthe road,e.g .stop -
pe dor parked vehicles (ve hicle swi thou t
the Driv ingAssi stance packag e)
R sta tionar yob jects inthe road,e.g .stop -
pe dor parked vehicles, ifsu fficie ntdetec-
tio nis not possi ble (ve hicle swi th the Driv -
ing Assi stance packag e)
R onco ming vehicles and crossing traf fic As
ares ult, Active Distance Assist
DISTR ONICma ynei ther give warning snor
inte rveneinsuch situa tions. The reisaris k
of an acci dent.
Alw ayspa ycar efulatte ntionto the traffic
si tua tionand berea dytobra ke. G
WA
RNING
Dis tance keeping assista ntcanno tal wa ys
cle arly identi fyothe rroa dus ers and com-
pl ex traf ficsitua tions.
In such cas es, dista nce keeping assista nt
can:
R acce lera te or bra kethe vehicleune xpect-
ed ly
R inte rveneune xpected ly
The reisaris kof an acci dent.
Co ntinu eto drive car efully and berea dyto
bra ke, especially ifdista nce keeping assis-
tant warns you. G
WA
RNING
Active Distance AssistDISTR ONICbra kes
yo ur veh iclewi th up to50% ofthe maximu m
po ssi ble de cel era tion.Ifthi sde cel era tionis
not sufficie nt, Active Distance Assist
DISTR ONICalerts youwi th avis ualand
aco ustic warning .The reisaris kof an acci -
de nt.
Adju styour spe edinthes ecas esand main-
tai nsu fficie ntdista nce.
App lythe brakes yoursel fand /or take eva-
si ve acti on.
! Whe
nActive Distance AssistDISTR ONIC
or the HOLD functio nis acti vated ,the vehi-
cle brakes automa tically in certa insitua -
tio ns.
To avoid da ma getothe vehicle, de acti vate
Active Distance AssistDISTR ONICand the
HOLD functio nin the followi ng orsimil arsit-
ua tio ns:
R wh en tow ingthe vehicle
R in the carwash
Active Distance AssistDISTR ONICcan neither
red uce theriskof an acci dent ifyo ufai lto 15
8 Dri
ving sys temsDrivi ng andparki ng