2020 MERCEDES-BENZ SLC air condition

minor
deforma tion.Thisisthe case if,for
exampl e,very rigid vehicl eparts such aslongi-
tudina lbody members arehit,and suffici ent
decel eratio noccurs asaresul t.
If the restraint systemcontrolunitdetects a
side impa ctor ifthe vehicl erolls over, the
app licable components ofthe restraint system
are depl oyedindepe ndently ofeach other
depe nding onthe apparent typeofaccide nt.
R Side impactair bag onthe side ofimpa ct,
indepe ndently ofthe Emergency Tensioning
Device andtheuse ofthe seat beltonthe
driver' sseat
The side impa ctair bag onthe front
pass enger sidedeploysunder thefollo wing
conditions:
- the OCS system detects thatthefront
pass enger seatisoccupi edor
- the seat beltbuckle tongue isengage din
the belt buckle ofthe front passenger
seat
R Head bagonthe side ofimpa ct,indepe nd-
ently ofthe use ofthe seat beltandinde-
pendently ofwhether thefront-passenger
seat isoccupi ed
R Emergency TensioningDevices, ifthe sys-
tem determines thatdeployme ntcan offer
add itional protection inthis situa tion
R Head bagsonthe driver' sand front-
pass enger sideincertain situations when
the vehicl erolls over, ifthe system deter-
mines thatdeployme ntcan offer additional
protection tothat provid edbythe seat belt
i Not
allair bags aredepl oyedina na cci-
dent. Thevario usair bags work indepe nd-
ently ofeach other .
How theairbag works isdetermined bythe
severi tyof the accide ntdetected, especially
the vehicl edecel eratio noraccele ration and
the apparent typeofaccide nt:
R Head-on collision
R Side impact
R Rol lover NECK
-PROhead restraints
Important safetynotes G
WARNING
The function ofthe head restraint maybe
impa iredifyou :
R attach objects suchascoat hangers to
the head restraints, forexampl e
R use head restraint covers
If you doso, the head restraints cannotfulfill
their intended protective functioninthe
event ofan accide nt.Inadd ition, objects
attached tothe head restraints couldendan-
ger other vehicleoccupa nts.There isan
increase drisk ofinjury.
Do not attach anyobjects tothe head
restraints anddonot use head restraint cov-
ers.
Method ofoperation NECK-PRO
headrestraints reducethe likel i-
hood ofhead andchest injurie s.The NECK-
PRO head restraints onthe driver' sand front-
pass enger seatsaremoved forwardsand
upw ards inthe event ofar ear-end collision of
ac ertain severity.This provid esbetter head
supp ort.
If the NECK-PRO headrestraints havebeen
triggere dina na ccide nt,you must reset the
NECK-PRO headrestraints onthe driver’ sand
front-passenger seat(Ypage 53).Other-
wise ,the add itional protection willnot be
avai lablein the event ofanother rear-end colli-
sion. Youcanrecognize whenNECK-PRO head
restraints havebeen triggered bythe fact that
they have moved forwardsand cannolonger
be adju sted.
Mercede s-Benzrecommends thatyouhave
the NECK-PRO headrestraints checkedfor
functionali tyat aq ualified specia listworkshop
after arear-end collision. 52
Occ
upant safetySafety

R
only load thetrunk tobelow thetrunk par-
tition
R not place anyobject sono rinf ront ofthe
trunk partition
R not place anyobject sonthe cover behind
the rollbars
R not allow thecargo topush thetrunk par-
tition upwards
The trunk partition canbeused tocover lug-
gage andloads inthe trunk .
Opening andclosi ng X
To open: gripthehandle oftrunk parti-
tion 0043.
X Press therelease buttoninthe handle of
trunk partition 0043.
Trunk partition 0043isunlocked.
X Pull trunk partition 0043upout ofthe eyelets
on the edge ofthe trunk .
X Push trunk partition 0043forwards againstthe
direction ofthe arrow byhandle.
X To close: pullback trunk partition 0043bythe
handle inthe direction ofthe arrow and
engage intotheeyelets onthe edge ofthe
trunk onboth sides. Wind
screen
Import antsafety notes G
WARNING
If you usethewind screen indarkness orin
other condit ionsoffering poorvisibility, your
view tothe rear isfurther impaired. Thereis
ar isk ofan accident .
Only usethewind screen whenvisibility con-
ditions aregood. G
WARNING
If the wind screen isincorr ectlyinstalled, it
could detach itselfduring ajourney and
endanger otherroadusers. Thereisar isk of
an accident andinjury.
Inst allthe wind screen asdescribed.
! Inst
allorremove thewind screen only
when theroof isopen. Youcould otherwise
damage thewind screen orthe vehicle inte-
rior.
The wind screen offersprotect ionfrom the
wind when driving withtheroof down.
The wind screen canbeinstalled orremoved
from thedriver's sideorpassenger side.
For operations involvingthewind screen ,iti s
preferable tobe positioned onthe side ofthe
vehicle facingawayfromthetraffic ,after stop-
ping thevehicle inaccordanc ewiththe traffic
condit ions.
Installing andremoving thewind
screen Prepa
ringforinstallation 0043
Wind screen
0044 Unlock edlatch
0087 Lock edlatch
X The following conditionsmust befulfilled for
installation: Roof
81Opening andclosing Z

USA
only
0043 Sets thetemperature (Ypage 111)
0044 Switches themaximum coolingMAXCOOL onoroff (Ypage 113)
0087 Sets theairdistribution (Ypage 112)
0085 Defrosts thewindshiel d(Ypage 112)
0083 Switches coolingwithairdehumid ificationon/off(Ypage 110)
0084 Switches <0044004C00550010005500480046004C005500460058004F00440057004C0052
0051[ modeon/off (Ypage 114)
006B Sets theairflow (Ypage 112)
006C Switches therear window defroster on/off(Ypage 113) Notes
onusing theair-conditioning
system
Air-conditio ningsystem Below,
youcan find anumber ofnotes and
recommendations tohelp youusetheair-con-
ditioning systemoptimally .
R Switch oncooling withairdehumid ification
using the005A button. Theindicator lampin
the 005A button lightsup.
R Set thetemperature to72 ‡(22 †).
R Recommendation forairdistribution in
winter: setthe 009B and0061 settings.
Recommendation forairdistribution in
summer: setthe 009C setting. R
Only usethe"Windshie lddefrosting" func-
tion briefly untilthewindshiel disc lear
agai n.
R Only use<0044004C00550010005500480046004C005500460058004F00440057004C0052
0051[ modebriefly,e.g.
if there areunpleasa ntoutside odorsor
when inat unnel. Thewindows couldother-
wise fogup,since nofresh airisdrawn into
the vehicle in<0044004C00550010005500480046004C005500460058004F00440057004C0052
0051[ mode.
ECO start /stop function During
automatic engineswitch-off, thecli-
mate controlsystem onlyoperates ata
reduced capacity. Ifyou require fullclimate
cont rolcapacity, theECO start/st opfunction
can bedeactivated bypressing theECO but-
ton (Ypage 122). Overview
ofclimat econtrol systems
107Climat econtrol

Problems
withthe"Cool ingwith airdehum idification" function Problem
Possible
causes/co nsequences and0050 0050
Solutions The
indicator lampin
the 005A or0056 but-
ton flashes threetimes
or remains off.The
"Cooli ngwith airdehu-
midification" function
cannot beswitched on. Cooling
withairdehumidification hasbeen deactivated duetoa
malfunction .
X Visit aquali fied specialist workshop. Setting
climate controltoautom atic
General notes Automatic
modeisonly availa blewith 3-zone
automatic climatecontrol.
In automatic mode,thesettemperature is
maintained automatically atac onst antlevel.
The system automatically regulatesthetem-
perature ofthe dispensed air,the airflow and
the airdistribution.
The automatic modefunctionsoptimally when
the "Cooli ngwith air<00470048004B00580050004C0047004C0049004C004600440057004C00520051
0005[ func-
tion isactivated. Ifnecessary, coolingwithair
dehumidification canbedeactivated.
If you deactivate the"Cooli ngwith air-dehu-
midification" function,theairinside thevehicle
will notbecooled. Theairinside thevehicle
will also notbedehumidified .The windows can
fog upmore quickly. Therefore, deactivate the
cooling with<0044004C0055001000470048004B00580050004C0047004C0049004C00460044
0057004C00520051[ functiononly
briefly.
Automat iccontrol X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X Set thedesired temperature.
X To activate: pressthe0058 button.
The indicator lampinthe 0058 button lights
up. Automatic airdistribution andairflow are
activated.
X To switch tomanua lmode: press the
008F button.
or X Press the0095 or0097 button.
The indicator lampinthe 0058 button goes
out. Setting
thetemp eratu re
Air-conditioning system X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X To increase orreduce: turncontrol0043
clockwise orcounter -clockwise
(Y page 106).
Only change thetemperature settingin
small incremen ts.Start at72 ‡(22 †).
i If
you turn control0043 counter -clockwiseto
the lowest temperature setting,air-recircu-
lation mode mayactivate automatically,
depending onthe outside temperature.
3-zone automaticclimate control Differen
ttemperatures canbeset forthe driv-
er's andfront -passenger sides.
X Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X To increase ordecrease: turncontrol0043
or 0084 clockwise orcounter -clockwise
(Y page 108).
Only change thetemperature settingin
small incremen ts.Start at72 ‡(22 †).
i If
you turn controls0043and 0084counter -
clockwise tothe lowest temperature setting,
<0044004C00550010005500480046004C005500460058004F00440057004C0052
0051[ modemayactivate auto-
matically, depending onthe outside temper-
ature. Operat
ingthe climate controlsystems
111Climat econtrol

Setting
theairdistr ibution
Air-conditioning systemX
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X Press oneormore ofthe 009C, 009B,0061
buttons.
The correspondin gindicator lamplights up
briefly.
The following airdistribution settingscan be
selected:
0061 Directsairthrough thedefroster vents
009B Directsairthrough thefootwell air
vent s
009C Directsairthrough thecent erand side
air vent s
i You
canalso activate severalairdistribu-
tion settin gssimultaneously. Todo this,
press multiple airdistribution buttons.The
air isthen directed throughvariousvents.
3-zone automaticclimate control X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X Press the008F button repeatedly untilthe
desired symbolappears inthe display .
The following airdistribution settingscan be
selected:
009C Directsairthrough thecent erand side
air vent s
009B Directsairthrough thefootwell air
vent s
009F Directsairthrough thecent er,side and
footwell vents
0061 Directsairthrough thedefroster vents
0087 Directsthe airflow through the
defroster, centerand side airvent s
(Canada only)
0086 Directsairthrough thedefroster and
footwell vents
008F Directsthe airflow through the
defroster vents,the cent erand side air
vent sasw ellasthe footwell airvent s
(Canada only)
i Regardle
ssofthe airdistribution setting,
airflow isalwa ysdirected throughtheside
air vent s.You canonly close theside air vent
s,by fully closing theadjuster onthe
side airvent s(Ypage 115). Setting
theairflow
Air-conditioning system X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X To increase orreduce: turncontrol006B
clockwise orcounter -clockwise
(Y page 106).
3-zone automaticclimate control X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X To increase orreduce: pressthe0097 or
0095 button. Switching
theZONE function on/off
This funct ionisonly availa blewith 3-zone
automatic climatecontrolonvehicles forCan-
ada.
X To switch on:press the00D6 button.
The indicator lampinthe 00D6 button lights
up. The temperature settingfor the driver's
side isnot adopted forthe front -passenger
side.
X To switch off:press the00D6 button.
The indicator lampinthe 00D6 button goes
out. Thetemperature settingfor the driver's
side isadopted forthe front -passenger side. Defrosting
thewindshield
General notes You
canusethis funct iontodefrost thewind-
shield ortodefrost theinside ofthe wind-
shield andtheside windows.
Switch offthe "Windshield defrosting"function
as soon asthe windshield isclear again. 112
Operat
ingthe climate controlsystemsClimat econtrol

Switching
the"windshield defrosting"
function onoroff X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X To switch on:press the0064 button.
The indicator lampinthe 0064 button lights
up.
The climate controlsystem switches tothe
following functions:
R high airflow
R high temperature
R air distribution tothe windshield andfront
side windows
R <0044004C00550010005500480046004C005500460058004F00440057004C0052
0051[ modeoff
X To switch off:press the0064 button.
The indicator lampinthe 0064 button goes
out. Thepreviously selectedsettingsare
restored. Air-recirculation moderemains
deactivated.
or X Dual-zone automatic climatecontrol:press
the 0058 button.
The indicator lampinthe 0064 button goes
out. Airflow andairdistribution aresetto
automatic mode. MAX
COOL maxim umcool ing
The MAX COOL functionisonly availa blein
vehicles forthe USA.
MAX COOL isonly operational whenthe
engine isrunning.
X To activate: pressthe00C9 button.
The indicator lampinthe button lightsup.
X To deactivat e:press the00C9 button.
The indicator lampinthe button goesout.
The previously selectedsettingsare
restored.
When youactivate MAXCOOL, climate control
switches tothe following functions:
R maximum cooling
R maximum airflow
R <0044004C00550010005500480046004C005500460058004F00440057004C0052
0051[ modeon Removing
condensation fromthe
window s
Windows foggeduponthe inside X
Act ivate the005A or0056 cooling withair
dehumidification function.
X Dual-zone automatic aircondition ing:acti-
vate the0058 mode button.
X Ifthe windows continue tofog up,activate
the 0064 "Windshield defrosting"function.
i You
should onlyselect thissettin guntil the
windshield isclear again.
Windows foggeduponthe outside X
Act ivate thewindshield wipers.
X Air-c onditioning system:pressthe009C or
009B button.
X Dual-zone automatic aircondition ing:press
the 008F button untilthe009C or009B
symbol appears inthe display .
i You
should onlyselect thissettin guntil the
windshield isclear again. Rear
window defroster
General notes The
rear window defroster hasahigh current
draw. Youshould therefore switchitoff as
soon asthe rear window isclear. Otherwise,
the rear window defroster switchesoffauto-
matically afterseveral minutes.
If the battery voltage istoo low, therear win-
dow defroster mayswitch off.
<002400460057004C005900440057004C0051004A001200470048004400460057
004C005900440057004C0051004A> X
Turn theSmartK eytoposition 0048inthe igni-
tion lock (Ypage 118).
X Press the006C button.
The indicator lampinthe 006C button lights
up orgoes out. Operat
ingthe climate controlsystems
113Climat econtrol

G
WARNING
After ashort time, hillstart assistwil lnol on-
ger brake yourvehicl eand itcoul droll awa y.
There isar isk ofan accide ntand injury .
There fore,quickly move yourfoot from the
brake pedaltot he accele ratorpedal.Never
lea vethe vehicl ewhen itis held byhillstart
assi st.
Hill start assistisnot active if:
R you arepulling awayonal evelroad oron a
dow nhill gradient
R the transmissi onisin posi tion 005C
R the electric parkingbrake isapp lied
R ESP ®
is malfu nctioning EC
Os tart/stop function
Introduc tion The
ECO start/stop functionswitches the
engine offautomatical lyifthe vehicl eiss top-
ped under certain conditions.
The engine startsautomatica llywhen the
drive rwants topul lawa ya gain. The ECO
start/stop functiontherebyhelpsyou to
redu cethe fuel consumpti onand emiss ionsof
you rvehicl e.
Important safetynotes G
WARNING
If the engine isswi tched offautomatica lly
and youexit thevehicl e,the engine is
restarted automatical ly.T he vehicl emay
begi nmoving. Thereisar isk ofaccide ntand
injury .
If you wishtoe xitthe vehicl e,alw ayst urn
off the ignitio nand secure thevehicl e
aga inst rolling awa y. Gene
ralnote s 0043
ECO start/stop display
The ECO start/stop functionisactiva ted
whene veryou switch onthe engine using the
SmartKey orthe Start/Stop button.
If the engine hasbeen switched offautomati-
call ybythe ECO start/stop function,the00D6
ECO symb olisshow nint he multi function dis-
pla y.
Automatic engineswitch-off If
the vehicl eisb raked toas tandstil lwith the
transmissi onin005B or005C,t heECO start/stop
function switches offthe engine automatical ly.
The ECO start/stop functionisopera tional
when:
R the indica torlamp inthe ECO button islit
green
R the outsi detempera tureiswithi nthe range
that issui table forthe system
R the engine isat normal operatingtempera -
ture
R the settempera tureforthe vehicl einterior
has been reache d
R the battery issuffi ciently charged
R the system detects thatthewinds hieldis
not fogged upwhen theair-condi tioningsys-
tem isswi tched on
R the hood isclosed
R the drive r'sdoor isclosed andthedrive r's
seat beltisf astened
All ofthe vehicl e'ssystems remainactive
when theengine isstoppe dautomatical ly.
Automatic engineswitch-off cantake placea
maximu moffour times inar ow (initi alstop,
then three subsequ entstops).
The HOLD function canbeactiva tedifthe
engine hasbeen switched offautomatical ly.I t
is then notnecessa ryto continue applying the
brakes duringthe automatic stopphase.When
you depre ssthe accele ratorpedal,the engine Drivi
ng
121Drivi ngand parking Z

starts
automatically andthebraking effectof
the HOLD function isdeactivated.
Automatic enginestart The
engine startsautomatically if:
R you switch offthe ECO start/st opfunction
by pressing theECO button
R you release thebrake pedalintransmission
position 005Bor005C and theHOLD function is
not active
R you depress theaccelerator pedal
R you engage reverse gear005E
R you move thetransmission outofposition
005D
R you switch todrive program S+
R you unfasten yourseatbeltoropen thedriv-
er's door
R the vehicle startstoroll
R the brake system requires this
R the temperature inthe vehicle interior devi-
ates from thesetrange
R the system detects moisture onthe wind-
shield whentheair-conditioning systemis
switched on
R the battery's condition ofcharge istoo low Shifting
thetransmission toposition 005Ddoes
not start theengine.
Deac tivating oractivating theECO
start /stop function X
To deactivate: pressECObutton 0043.
Indicator lamp0044goes out.
X To activate: pressECObutton 0043.
Indicator lamp0044lights up.
If indicator lamp0044isoff, theECO start/st op
function hasbeen deactivated manuallyoras
the result ofam alfunction. Theengine will
then notbeswitched offautomaticall ywhen
the vehicle stops. 122
DrivingDriving
andparking