2019 MERCEDES-BENZ SL ROADSTER climate control

MAX
COOLmaximum cooli ng
The MAX COOL function isonly available in
vehicl esfor the USA.
MAX COOL isonly opera tional whenthe
engine isrunning.
X To activate :press the00C9 button.
The indica torlamp inthe button lights up.
X To deactiv ate:press the00C9 button.
The indica torlamp inthe button goesout.
The previ ouslysele cted settings are
restored .
When youactiva teMAX COOL, climatecontrol
swi tches tothe followi ngfunctions:
R maximu mcooli ng
R maximu mairfl ow
R air-re circul ation mode on Removi
ngcondens ationfromthe
wi ndow s
Windo wsfogg edup onthe inside X
Activate the005A coolingwith airdehu midi-
ficatio nfunction.
X Activate the0058 mode button.
X Ifthe windo wscontinue tofog up,activa te
the 0064 "Windshie lddefros ting"function.
i You
shou ldonly selectthis setting untilthe
winds hieldis clea raga in. Windo
wsfogg edup onthe outside X
Activate thewinds hieldwip ers.
X Press the008F button repeatedlyuntilthe
009C or009B symbolapp ears inthe disp lay.
i You
shou ldonly selectthis setting untilthe
winds hieldis clea raga in. Rear
window defroste r
Gene ralnote s The
rear windo wdefros terhas ahigh current
draw .You shou ldtherefore switch itoff as
soon asthe rear windo wisclea r.Otherwi se,
the rear windo wdefros terswitches offauto-
matica llyafter severa lminutes.
If the battery voltageis too low,the rear win-
dow defros termay switch off.
Ac tivating /deactivating X
Turn theSmartKey toposi tion 0048inthe igni-
tion lock (Ypag e126).
X Press the006C button.
The indica torlamp inthe 006C button lights
up orgoes out.
Probl emswith the rear window defroste r Probl
em Poss
iblecause s/cons equen cesand 0050 0050
Sol utions The
rear windo w
defros terhas deactiva-
ted prema turelyor can-
not beactiva ted. The
on-board voltageis too low becau setoo many electrical con-
sume rsare switched on.
X Switch offany consumers thatarenot requ ired,e.g. read ing
lamp s,interior lighting orthe seat heating.
When thebattery issuffi ciently charged,the rear windo w
defros tercan beactiva tedagain. Operating
theclimate control systems
121Climate control

In
order toensure thedirect flowoffresh air
through theairvents intothevehicle interior,
plea seobserve thefollow ingnotes:
R keep theairinlet grilleon the hood andin
the engine compartment onthe front-
passe ngersidefreeofblockage s,such as
ice, snow orlea ves.
R never covertheairvents orair intake grilles
in the vehicle interior.
i You
canmove theadjusters forthe air
vents verticall yor horizontally toset the
direction ofthe airflow.
i For
optimal climatecontrolinthe vehicle ,
open theairvents completely andsetthe
adjusters tothe central position. Setting
thecenterairvents X
To open thecenterairvents: turnthe
adjuster inone ofcenter airvents 0043coun-
ter-clockwise.
X To clo sethe centerairvents: turnthe
adjuster inone ofcenter airvents 0043clock-
wise untilitengages . Setting
theside airvents 0043
Side window defroster vent
0044 Side airvent
X To open aside airvent: turntheadjuster
in the side airvent 0044tothe left.
X To clo seaside airvent: turntheadjuster
in the side airvent 0044tothe right untilit
engages . Setting
theglovecompartment air
vent
! Clo
sethe airvent when heating thevehi-
cle.
At high outsid etemperature s,open theair
vent andactivate the"cooli ngwith airdehu -
midifi cation" function. Otherwise ,tempera-
ture-sensitive itemsstored inthe glove box
could bedama ged. 0043
Airvent control
0044 Airvent
When theclimate controlsystem isactivated,
the glove boxcanbeventilated, forinstance to
cool itscontent s.The level ofairfl owdepends
on the airflowand airdistribu tionsettings. Setting
theairvents
123Climate control Z

Setting
thecompass North
America zonemap South
America zonemap
X Set your location usingthezone maps.
X Push around peninto opening 0087
(Y page 262)forapproximately threesec-
onds.
The zone current lyselected appearsincom-
pass display 0044(Ypage 262).
X To selec tthe zone: pusharound peninto
opening 0087(Ypage 262)untilthedesired
zone isselected.
If, after afew seconds, thedisplay incom-
pass display 0044(Ypage 262)changes direc-
tion, thezone hasbeen selected. Calibrating
thecompass X
Make surethatthere issufficient spacefor
you todrive inacircle without impeding
traffic.
In order tocalibrate thecompass correctly,do
the following:
R calibrate thecompass inthe open andnotin
the vicinity ofsteel struct uresorhigh-volt-
age transm issionlines.
R switch offelectrical consumers suchasthe
climate control,windshield wipersorrear
window defroster.
R close alldoors andthetrunk lid.
X Switch onthe ignition.
X Push around peninto opening 0087
(Y page 262)forapproximately sixseconds,
until symbol C C
is shown incompass dis-
play 0044(Ypage 262).
X Drive yourvehicle inafull circle atapprox-
imately 3mph (5km/h) to6mph
(10 km/h).
When thecalibration hassuccessfully been
completed, thecurrent direction isshown in
compass display0044(Ypage 262). Floo
rmats G
WARNING
Object sin the driver's footwell mayrestrict
the clearance aroundthepedals orblock a
depressed pedal.Thisjeopardizes theoper-
ating androad safety ofthe vehicle. Thereis
a risk ofan accident.
Stow allobject ssecurely inthe vehicle so
that they donot getinto thedriver's foot-
well. When usingfloormats orcarpets, make
sure thatthey areproperly securedsothat
they donot slip orobstruct thepedals. Do
not place several floormats orcarpets on
top ofone another. Features
263Stowageandfeatu res Z

R
solvents
R cleaning agentscontaining solvents
Do not scrub.
Do not touch thesurfaces andfilms with
hard objects, e.g.rings orice scrapers. Oth-
erwise, youmay scratch ordamage thesur-
faces andfilms.
! Do
not park yourvehicle foralong period
of time directly aftercleaning, particularly
after cleaning thewheel rimwith wheel
cleaner. Wheelcleaner canlead tothe
increased corrosionofthe brake discsand
pads. Therefore, driveforafew minutes
after cleaning. Byheating upthe brakes, the
brake discsandpads dry.Thevehicle can
then beparked foralong period oftime.
Regu larcare ofyour vehicle isacondition for
retaining thequal ityinthe long term.
Use care products andcleaning agentsrecom-
mended andapproved byMercedes-Benz . Washing
thevehicl eand cleani ng
the paintwork
Automatic carwash G
WARNING
Braking efficiency isreduced afterwashing
the vehicle. Thereisarisk ofan accident.
Aft erthe vehicle hasbeen washed, brake
carefully whilepayingattent iontothe traffic
conditions untilfullbraking poweris
restored.
! When
DISTRONIC PLUSorthe HOLD func-
tion isactivated, thevehicle brakesauto-
matically incertain situations.
To avoid damage tothe vehicle, deactivate
DISTRONIC PLUSandtheHOLD function in
the followi ngorsimilar situations:
R when towing thevehicle
R in the carwash
! It
is preferable touse carwashes with
adjustable high-pressure pre-cleaningthat
corresponds tothe specification forthe
Cabri oletprogram. Incar washes thatuse
high water pressures, thereisarisk that a
small amount ofwater mayleakintothe
vehicle. !
Vehicles
withHAND S-FREE ACCESS: ifa
SmartKey withKEYLES S-GOiswithin the
detection rangeofthe KEYLES S-GO
antenn a,the followi ngsituations couldlead
to the unintent ionalopening ofthe trunk lid:
R using acar wash
R using apower washer
Make surethattheSmartKey isat least
6.5 ft(2 m) awa yfrom thevehicle.
! Never
cleanyourvehicle inaTouchless
Automatic CarWash asthese usespecial
cleaning agents.Thesecleaning agentscan
damage thepaintwork orplastic parts.
If you have yourvehicle cleaned inahigh-
pressure automatic carwash, small
amounts ofwater mayenter thevehicle.
! Make
surethattheautomatic transmission
is in position Nwhen washing yourvehicle
in atow-through carwash. Thevehicle could
be damaged ifthe transmission isin another
position.
! Make
surethat:
R the side windows andtheroof arecom-
pletely closed
R the climate controlblower isswitched off
R the windshiel dwiper switch isat position
0
The vehicle couldotherwise bedamaged .
You canclean thevehicle atan automatic car
wash fromthevery start.
Preferably cleanthevehicle atautomatic car
washes thatusetextilewashing elements
without brushes. Thisprevents finescratches
from forming onthe paintwork andfilm.
If the vehicle isvery dirty, pre-wash itbefore
cleaning itin an automatic carwash.
Aft erusing anautomatic carwash, wipeoff
wax from thewindshiel dand thewiper blades.
This willprevent smearsandreduce wiping
noises caused byresidue onthe windshiel d.
i Vehicles
withdecorative film:select a
wash program withouthotwax atthe auto-
matic carwash.
Washing byhand In
some countries, washingbyhand isonly
allow edatspeciall yequip pedwashing bays. Care
271Maintenance andcare Z

Gross
AxleWeig htRating (GAWR) :the maxi-
mum permiss iblewei ght that canbecarried by
one axle (front orrear axle) .
To ensure thatyourvehicle doesnotexceed
the maximu mpermiss iblevalu es(gross vehi-
cle weight and maximu mgross axleweight rat-
ing), have yourloa ded vehicle (includingdriver,
occupa ntsand theload)wei ghed onasuita ble
vehicle weighbrid ge. All
about wheelsand tires Unifo
rmTire Quality Grading Stand-
ards
Overvie wof Tire Quality Grading
Standards Uniform
TireQual ityGrad ingStandards are
U.S. government specifications. Theirpurpose
is to provid edrivers withuniform reliableinfor-
mation ontire performa ncedata. Tiremanu-
facturers havetograde tiresusing threeper-
formance factors:0043tread weargrade ,0044
traction gradeand0087temperatu regrade .
These regulations donot applyto Cana da.
Neverthele ss,alltires soldinNorth America
are provid edwith thecorrespondi ngqua lity
gradi ngmarkings onthe sidew allofthe tire.
Qual itygrade scan befound, whereapplicable,
on the tire sidew allbetwee ntread shoulder
and maximu msection width.
Example:
R Treadwear grade:200
R Traction grade:AA
R Temperatur egrade: A
All passe ngercartires must conform tothe
statutory safetyrequirements inadd ition to
these grades. i
The
actual valuesfor tires arevehicle -spe-
cific andmay devia tefrom thevalu esinthe
ill ustration.
Treadwear The
treadw eargrade isacompara tiverating
base don the wea rrate ofthe tire when tested
under controlled conditions onaspecifi edU.S.
government course.Forexampl e,atire grade d
150 wouldwea rone andone-half timesaswel l
on the government testtrack asatire grade d
100.
The relative performa nceoftires depends
upon theactual conditions oftheir use,how-
ever, andmay depa rtsignifi cantly fromthe
norm duetovaria tions indriving habits,ser-
vice practices anddifferences inroad charac-
teristics andclimate.
Traction G
WARNING
The traction gradeassigned tothis tireis
base don straight-ahe adbraking traction
tests, anddoes notinclud eaccelera tion,
cornering, hydroplaning, orpeak traction
characteris tics.
! Avoid
wheelspin.This canleadto dama ge
to the drive train.
The traction grades– from highe stto lowe st–
are AA, A,Band C.Those gradesreprese ntthe
tire's ability tostop onwet paveme ntas meas-
ured under controlled conditions onspecifi ed
government testsurface sof aspha ltand con-
crete. Atire marked Cmay have poortraction
performa nce.
The safe speed onawet, snow covered oricy
road isalw ayslowe rthan ondry road surfa-
ces.
You shoul dpay specia lattention toroad con-
ditions whentemperatu resare arou ndfreezing
point.
Mercedes -Benzrecommends aminimum tread
depth of00CF in(4 mm) onallfour winter tires.
Observe thelega llyrequi redminimum tire
tread depth (Ypage 294). Winter tirescan
reduce thebraking distance onsnow-covered
surface sin compari sonwith summer tires.The
braking distance isstill much further thanon 306
Al
labout wheelsand tiresWheel sand tires

data
isdifferen tfor every vehicle andcan
deviate fromthedata shown here.Youcan
find thedata applicable toyour vehicle on
the vehicle identification plate. Vehicle
identification number(VIN) X
Move thefron t-passenger seatasfar back
as possible.
X Fold upfloor cover ing0043infron tof the
fron t-passenger seat.
You willsee VIN 0044.
The VINcanalso befound inthe following
location s:
R on the lower edgeofthe windshield
(Y page 321)
R on the vehicle identification plate
(Y page 320) Engine
number 0043
Emiss ioncontrol infor mation plate,includ-
ing the cert ification ofboth federal and
Californian emissionsstan dards
0044 Engine number (stamped intothe cran k-
case)
0087 VIN (onthe lower edgeofthe windshield) Service
product sand filling capaci-
ties Impor
tantsafet ynotes G
WARN
ING
Serv iceproduct smay bepoisonous andhaz-
ardous tohealth. Thereisarisk ofinjury.
Comply withinstruct ions onthe use, storage
and disposal ofservic eproduct son the
labels ofthe respect iveoriginal container s.
Always storeservic eproduct ssealed intheir
original container s.Always keepservic e
product sout ofthe reach ofchildren . H
Environm
entalnote
Dispose ofservic eproduct sin an envir on-
ment allyrespon siblemann er.
Serv iceproduct sinclude thefollowing:
R Fuels
R Lubrican ts(e.g. engin eoil, tran smission oil)
R Coolant
R Brak efluid
R Windshield washerfluid
R Climate control system refrigerant
Comply withallvalid regulation swith respect
to handling, storing, and disposing ofservic e
fluids.
Componen tsand servic eproduct smust
matc h.You should therefore onlyuseproduct s
that have been testedand approved by
Mercedes -Benz.
Inf ormat ionabout testedand approved prod-
ucts canbeobtained fromanauthoriz ed
Mercedes -BenzCenter oron the Internet at
htt p:// bevo.m ercedes- benz.com.
You canident ifyserv iceproduc tsapprove dby
Merc edes- Benzby the followin ginsc riptions
on the contain er:
R MB- Freigabe (e.g.MB-Freigabe 229.51)
R MB- Appr oval(e.g. MB-Appr oval229.51)
Oth erdesign ationsor rec omme ndations indi-
cat ealevel ofquality oraspecif ication in
acco rdanc ewith anMB Shee tNumber (e.g.
MB 229 .51). They have notnecessarily been
approve dby Merc edes- Benz. Serv
iceproduct sand filling capacities
321Technical data Z

Clim
atecont rolsyst emrefrigera nt
Imp ortant safety notes The
climatecontrol syst emofyour vehicle is
fille dwit href rige rantR‑13 4a.
The instruct ion label regardin gth eref rige rant
type used canbefoun don theradiat orcross
mem ber.
! On
lytheref rige rantR‑1 34aand thePA G
oil appro vedbyMer cedes-Ben zmay be
used. Theappro vedPAGoil may notbe
mix edwithany other PAGoil that isno t
appro vedforR-1 34aref rige rant.Ot her wise,
th eclim atecontrol syst emmay bedam-
aged.
Ser vicework ,suc has refillin gwit href rige rant
or repl acin gcom ponentpart s,may onlybe
car ried outbyaqualif iedspec ialist workshop.
All applic ableregulati ons,as well asSAE
st and ard J639,must beadher edto.
Always havework ontheclim atecontrol sys-
te m car ried outataqualif iedspec ialist work-
sho p.
Ref rigera ntinst ruction label Ex
ample :ref rige rantins truct ion label
0043 Sym bol
0044 Refr igerant filling capac ity
0087 App licab lestand ards
0085 PAGoil part number
0083 Type ofref rige rant
Sym bols 0043advis eyou about :
R Poss ibledangers
R Hav ingservicework carried outataquali-
fied spec ialist workshop Filling
capacit ies Mod
el Ref
rigera nt All
mod els 19
.4±0. 4oz
(55 0±10 g) Mod
el PAG
oil All
mod els 4.
2oz
(12 0g) Veh
icle data Gener
alnot es
Pleas eno te that for thespec ifiedveh icle data:
R theheig htsspec ifiedmay varyas ares ult of
- tires
- load
- con dition ofthesuspe nsion
- opt ionalequipm ent
R opt ionalequipm entreduc esthemax imum
payload Dimen
sionsandweight s Mod
el 00430043
Ope ning heigh t Mer
cedes ‑AMG
vehi cles 75
.6in-76 .1in
(19 20mm -
19 34 mm) All
oth ermod els 75
.7in(19 23mm) 326
Veh
icle dataTech nical data