MERCEDES-BENZ S-CLASS CABRIOLET 2017 Owners Manual

R
Topedestrians, animals, bicycles or
mo torb ikes, stationar yvehicles or unex‐
pected obs tacles.
R Tocompl extraf fics ituations.
R Tooncoming vehicles and crossing traf‐
fi c.
Ac tiveD ista nce Assi stDISTRONI Ccan nei‐
th er giv ewarning snor inter vene in su chsit‐
uations. #
Alw ayso bser vethet raffic conditions
carefull yand react accordin gly. Operating
Activ eD ista nce Assis tDISTRONIC
Re quirements:
R The vehicle has been star ted.
R The elect ricp arkin gb rake isreleased.
R ESP ®
is activated and is no tinter vening.
R The transmission is in position h.
R Allthed oor sareclosed.
R Chec koft heradar sensor sy stem success‐
full ycomple ted( vehicle tra velling fasterthan
20 km/h). Swit
ching between Activ eD ista nce Assist
DISTRO NIC and the limiter #
Press button 1.
Ac tivatin gthe variable limi terorA ctive Dis‐
tanc eAssis tDISTRONIC #
Toactivat ewithout astoreds peed: press
rock er switch 3up (SET+) or down (SET-),
or press rocker switch 4up. Remo veyour fo
ot from thea ccelerator pedal (Activ eDis‐
ta nce Assi stDISTRONIC).
The cur rent driven speed is stored and main‐
ta ined (Activ eDista nce Assi stDISTRONIC) or
limited (variabl elim iter) bythev ehicle.
or #
Toactivat ewithas toreds peed: press
rock er switch 4up. Remo veyour foot from
th ea ccelerator pedal (Activ eDista nce Assi st
DISTRONIC).
% Ifrock er switch 4is pressed up twice while
driving, ActiveD ista nce Assi stDISTRONI Cor
th ev ariable limiter is activated wit hthe
speed restriction displ ayed in thei nstrument
clus ter.
Ac ceptin gthe dis play ed speed restriction
when Distance Assis tDISTRONIC or thel im‐
iter is activated #
Press rocker switch 4(RES) up.
The speed limit displa yedint he instrument
clus terisa dopte dast hestored speed. The
ve hicle adapts its speed tothat of thev ehicle
in front, but onl yuptothestored speed. 17 8
Driving and pa rking

Pulling
away wit hA ctive Distance Assist
DISTRO NIC #
Remo veyour foot from theb rake pedal. #
Press rocker switch 4(RES) up.
or #
Depress thea ccelerator pedal briefly and dis‐
tinctl y.
The functions of ActiveD istan ce Assi st
DISTRONI Ccontinue tobe car ried out.
Deactivating Activ eD ista nce Assist
DISTRO NIC &
WARNING Risk of accident du etoActive
Dis tance Assi stDISTRONI Cstillb 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 istan ce Assi st
DISTRONI Conly,the vehicle can rollaw ay. #
Alw aysd eactivat eActiv eDista nce
Assi stDISTRONI Cand secur ethe vehi‐
cle topreve nt it from rolling away
befor eyou lea vethed rive r's seat. #
Press rocker switch 4(CNCL) down.
Increasing or reducing the speed #
Press rocker switch 3up (SET+) or down
(SET-).
The stored speed is increased or reduced by
1k m/h.
or #
Press rocker switch 3up or down and hold.
The stored speed is increased or reduced in
st eps of 1km/h.
or #
Press rocker switch 3beyond thep ressure
point.
The stored speed is increased or reduced by
10 km/h.
or #
Press rocker switch 3beyond thep ressure
point and hold.
The stored speed is increased or reduced in
st eps of 10km/h. Re
ducing or inc reasin gthe specified dis‐
tance from thev ehicle in front #
Toincrease thes pecified distance: press
rock er switch 2down. #
Toreduce the speci fied distance: press
rock er switch 2up. Fu
nction of Activ eS peed Limit Assi st %
The availabilit yofthefollowing function is
countr y-dependent. Driving and parking
17 9

If
ac hang eint he speed limit is de tected and
Ac tiveD ista nce Assi stDISTRONI Cisactivated,
Ac tiveD ista nce Assi stDISTRONI Cassum esthis
ne ws peed as thes tore ds peed.
The driven speed is adjus tedw hen thev ehicle is
le ve lw itht he traf fics ignatt he latest. In the
case of signs indicating entr yintoanu rban area,
th es peed is adap tedb eforehand. The speed
limit displa yinthe Instrument Displa yisalways updated when
thev ehicle is le velw itht he tra ffic
sign.
If th er eisnos peedrestriction on an unlimi ted
st re tchofr oad (e.g. on amotorway),th er ecom‐
mended speed is adop tedast hestored speed.
The sy stem uses thes peed stored on an unlimi‐
te ds tret ch ofroad as ther ecommende dspeed.
If yo udon otalter thes tore ds peed on an unlimi‐
te ds tret ch ofroad, ther ecommende dspeed is
13 0k m/h.
If Ac tiveD ista nce Assi stDISTRONI Chasbeen
pu tint op assive mode bypressing thea ccelera‐
to rp edal, onl yspee dlimits which areh igher
th an thes etspeed ar eadop ted.
Ac tiveS peed Limi tAssistcan be configu redin
th em ultimedia sy stem (→ page211).
Ac tiveS peed Limi tAssistis onl yana id. The
driver is responsible fork eeping asafed ista nce
to thev ehicle in front, forv ehicle speed and for
braking in good time. The maximum permissible
speed also depends on factor ssuchast heroad
sur face and traf ficc onditions. Sy
stem limitations
Te mp orar yspeed restrictions (e.g .for ac ertain
tim eord uetowe ather conditions) canno tbe
proper lyde tected bythes ystem. The maximum
permissible speed applying forav ehicle wit ha
trailer is no tdetected bythes ystem. In these sit‐
uations youm usta djus tyour speed yourself. &
WARNING Risk of accident du etoActive
Speed Limi tAssistadaptin gthe vehicle's
speed
The speed adop tedbyA ctiveSpeed Limit
Assi stma ybet oo high or incor rect in some
individua lcases, su chas:
R Inthew etor in fog
R When towing atrailer #
Ensur ethat thed rive ns peed complies
wit htraffic regulations. #
Adjus tthe driving speed tosuit cur rent
traf fica nd weather conditions. 18 0
Driving and pa rking

Fu
nction of route-base dspee dadjustment %
The availabilit yofthefollowing function is
countr y-dependent.
When Dis tance Assi stDISTRONI Cisactive,the
function adjusts thes peed depending on the
ro utee vents ahead. Depending on thed rive pro‐
gram selected, thev ehicle negotiates ther oute
eve nt ahea dinafuel-saving, com fortable or
dynamic manner .When ther out eevent has been
passed, thev ehicle accelerates again tothe
st ored speed. The se tdistan cetothev ehicle
ahead, vehicles de tected ahea dand speed
re strictions ahea daretake ni ntoa ccount.
Ro ute-based spee dadjustmen tcan byconfig‐
ured in them ultimedia sy stem (→ page184).
Ro utee vents ahea dare:
R Bends
R T-junctions, roundabout sand tollst ations
R Turnsa nd exits
% When thet oll statio nisr eached, ActiveD is‐
ta nce Assi stDISTRONI Cadoptst he speed as
th es tore ds peed. Also,
thes peed is reduced if thet urns ignal to
ch ang elane siss witched on and one of thef ol‐
lowing situations is de tected:
R Turning of fatjunctions
R On slowing-down lanes
R On lanes adjacent toslowing-down lanes
The driver is responsible forc hoosing ther ight
speed and observing other road users. This
applies in particular tojunctions, roundabouts
and sets of traf ficl ights, as route-based speed
adjustmen tdoes no tbrake thev ehicle to a
st andstill.
Wi th activ erout eguidance, thef irst speed
adjustment is car ried out automaticall y.Ifthe
tur ns igna lindica toriss witched on, thes elected
ro uteisc onfirm ed and fur ther speed adjustment
is activated.
Speed adjustmen tiscancelled in thef ollowing
cases:
R Ifth et urns ignal indicator is switched off
befor ethe routee vent.
R Ifth ed rive rd epresses thea ccelerator or
brak epedal during thep rocess. Sy
stem limitations
Ro ute-based spee dadjustmen tdoes no ttake
ri ght of wayregulations int oaccount.T he driver
is responsible forc omplying wit hroad traf fic
re gulations and driving at asuitable speed.
In dif ficul tambient conditions (e.g .unclear
ro ads, nar rowl anes ,wetroad sur faces, sno wor
ice )orw hend riving wi thatrailer ,the speed
adjustment made bythes ystem ma ynotalw ays
be suitable. In these situation sthe driver must
inter vene acco rdingly. &
WARNING Risk of accident in spi teof
ro ute-based spee dadjustment
Ro ute-based spee dadjustmen tmightm al‐
function or be temp oraril yunavailable in the
fo llowing situations:
R If map dat aisnotup todat eora vailable
R Ifyo udon otfollo wt he selected route
guidance
R Ifth es etrouteisr e-planned
R Inroad con stru ction areas Driving and pa
rking 181

R
When towing atrailer
R In bad weather or road conditions
R Ifth ea ccelerator pedal is depressed #
Adjus tthe speed tothet raffic situation. Settin
groute-based speed adjustment Re
quirements:
R ActiveD ista nce Assi stDISTRONI Cisactiva‐
te d.
Multimedia sy stem:
, Vehicle .
k Assistance .
Speed
adjustment #
Select DYNAMIC SELECT opt. orOff. Ac
tiv eS teering Assist Fu
nction of Activ eS teering Assist Ac
tiveS teering Assis tassists thed rive rat
speeds up to210k m/h and helps thed rive rto
st ay inthec ent reofthel ane bymeans of mod‐
erat esteering inter ventions. The sy stem orients
itself using de tected lane markings .Depending
on thes peed driven, ActiveS teering Assis tuses
th ev ehicles ahead as areference. If thed etec‐
tio nofl anem arkings and vehicles ahead is
impaired, ActiveS teering Assis tswitches topas‐
siv em ode. The sy stem does no tprovide support
in thef ormofs teering inter ventions. R
The driver is requ ired tokeep their hands on
th es teering wheel at all times and be able to
inter vene at an ytime tocor rect thec ourse of
th ev ehicle and keep it in lane.
R The status of ActiveS teering Assis tisdis‐
pla yedint hestatus bar of them ultifunction
displa y.
Ste ering and contact de tection
The driver is requ ired tokeep their hands on the
st eering wheel at all times and tobe able to
inter vene at an ytime .The driver mu stexpect a
ch ang efroma ctivetop assivemode or vice
ve rsaata nytime. 18 2
Driving and pa rking

If
th es ystemr eaches asysteml imitation or the
driver has no tsteered thev ehicle forac onsider‐
ablep eriod of time or has remo vedt heir hands
from thes teering wheel, thes ystemw ill,
depending on thes ituation ,first aler tthe driver
wit hav isual warning. Display 1appear sinthe
multifunction displa y.Ifth ed rive rs tilld oes not
st eer thev ehicle himself or herself, or still has
no ttaken hold of thes teering wheel, arepeated
wa rning tone sounds in additio ntothe visual
wa rning messag etoremind thed rive rtot ake
cont roloft hevehicle.
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.
Ac tiveS teering Assis tisonlyana id. The driver is
re sponsible fort he dis tance tothev ehicle in
front, forv ehicle speed, forb raking in good time
and fors taying in lane. Befor echanging lanes,
th ed rive rm ustm akes uret hat then eighbouring
lane is free (glance over thes houlder). Sy
stem limitations
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 or todriv epaste xits. Active
St eering Assis tcann otprov ide thed rive rw ith
st eering assis tance at roundabouts, T-junctions,
junctions, tollst ations or turns ,for example.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing ins tances:
R In sno w,rain, fog, heavy spr ay,ift hereis
gl ar eord irect sunlight or if ther ea regreatly
va rying light condition sorreflections, or
stro ng shado wsonthec arriag ewa y.
R Insuf ficient road illumination.
R The windsc reen in thea reaoft he camer ais
dirty ,miste du p, damaged or co vered.
R Absence of lane markings, or se veralu nclear
lane markings, or if them arkings chang erap‐
idly.
R The dista ncetot hevehicle in front is too
small and thel ane markings thus canno tbe
de tected.
R The car riag ewa yisn arrow and winding. R
Obs tacle sont he lane or projecting out into
th el ane.
The sy stem does no tprovide assis tance in the
fo llowing conditions:
R On tigh tbends ,roundabouts and when turn‐
ing.
R Ifyo ua ctivel ychang elane without swit ching
on thet urns ignal indicator. &
WARNING Risk of accident if Active
St eering Assis tunexpectedl ystops func‐
tioning
If th es ysteml imitations of ActiveS teering
Assis tare re ached ther eisnog uarantee that
th es ystemw illremain activ eorwillk eep the
ve hicle in lane. #
Alw aysk eep your hands on thes teering
wheel and obser vethet raffic carefull y. #
Alw ayss teer thev ehicle paying atten‐
tion totraf ficc onditions. Driving and pa
rking 18 3

&
WARNING Risk of accident if Active
St eering Assis tunexpectedly inter venes
Am alfunctio ninthe de tection of lane mark‐
ings and objects can occu r.
This could cause unexpected steering inter‐
ve ntion. #
Steer according totraf ficc onditions. Ac
tivatin gActive Ste ering Assist
Re quirements:
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
% Thea vailabilit yofthefollowing function is
countr y-dependent.
Ac tiveL aneC hangeA ssistsupports thed river
when changing lanes, byapplying steering tor‐
qu e. Assis
tance when changing lane sisprovide difa ll
th ef ollowing condition sareme t:
R Youa redrivin gonam otorway orroad with
multiple lane sinthe direction of tr avel.
R The neighbouring lane is separated byab ro‐
ke nl an em arking.
R Novehicle is de tected in thea djacen tlane.
R The driven speed is between 80 km/ha nd
18 0k m/h.
R ActiveL aneC hangeA ssistis activated bythe
driver wit hthe tur nsignal indicator.
R ActiveL aneC hangeA ssistis switched on in
th em ultimedia sy stem.
R ActiveS teering Assis tisswitched on and
active. 184
Driving and pa rking

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

sag
eiss hown in them ultifunction displa y.The
ve hicle is decelerated in stages toas tandstill. At
speeds belo w60km/h theh azar dwarning
light sswitc hona utomaticall y.
When thev ehicle is stationar y,thef ollowing
actions ar ecarried out:
R The vehicle is secured wit hthe electric park‐
ing brake.
R ActiveD ista nce Assi stDISTRONI Cisended.
R The vehicle is unloc ked.
R If possible, an emer gency cal lisplace dto
th eM ercedes-Benz emer gency cal lcentre.
The driver can cance lthe deceleration at any
time byper form ing one of thef ollowing actions:
R Steering
R Depressing theb rake or accelera torp edal
R Pressing asteering wheel button or operat‐
ing Touc hC ontrol
R Activating or deacti vating ActiveD ista nce
Assi stDISTRONIC Overvi
ewofActiv eD ista nce Assist
DISTRO NIC displa ysinthei nstrument clus‐
ter The assis
tance graphi cand thes tatus display
sho wthe status of thef ollowing function sinthe
instrument clus ter:
R ActiveD ista nce Assi stDISTRONIC
R Route-based spee dadjustment
R ActiveS teering Assist Assistant display 1
Route-based spee dadjustmen t(type of
ro utee vent)
2 Vehicle ahead
3 Distance indica tor
4 Setspecifie ddista nce
5 Own vehicle 18 6
Driving and pa rking

Ac
tiv eD ista nce Assis tDISTR ON ICstatus dis‐
pla yand route-base dspee dadjustment 1
ActiveD ista nce Assi stDISTRONI Cselected,
se ts pecified dis tance
2 ActiveD ista nce Assi stDISTRONI Cdeacti va‐
te d, speed stored 3
ActiveD ista nce Assi stDISTRONI Cactive,
speed stored, no vehicle de tected (gr eyvehi‐
cle symbol)
4 ActiveD ista nce Assi stDISTRONI Cactive,
speed stored, vehicle de tected (green vehi‐
cle symbol)
5 ActiveD ista nce Assi stDISTRONI Candroute-
based spee dadjustmen tactive, speed
st ored
% On mo torw aysorh igh-speed major roads,
th eg reen ç vehicle symbol is displa yed
cyclically whe nthe vehicle is ready topull
aw ay.
Speedome ter
The stored speed is highlighted on thes peedom‐
et er.Ift he speed of thev ehicle ahead or the
speed adjustment is less than thes tore ds peed
due tother out eevent ahead, thes egment sin
th es peedome terl ight up. Activation or deacti va‐
tio nofA ctiveDista nce Assi stDISTRONIC, as
we ll as alteration sinthe sa veds peed and the
dis tance tobe maintained, ar edispla yedint he
individual control feedbac kofthe multifunction
displa y. Ac
tiv eS teering Assis tstatus display 1
Grey steering wheel: ActiveS teering Assist
switched on and passive
2 Green steering wheel: ActiveS teering Assist
switched on and active
3 Yello ws teering wheel flashing: transition
from activ etopassivestatus (s ystem limita‐
tion de tected or prom pttothed rive rto
activel yconfirm)
During thet ransition from thea ctiv etop assive
st atus ,the è symbol is shown as enlarged
and flashes yello w. Once thes ystemisp assive
the è symbol is shown as gr eyinthem ulti‐
function displa y. Driving and pa
rking 187