
Overview
ofclimat econtrol systems General
notes
Observe thesettings recom mended onthe fol-
lowing pages. Thewindows couldotherwise
fog up.
To preven tthe windows fromfogging up:
R switch offclimate control only briefly
R switch onair-rec irculation modeonlybriefly
R switch onthe cooling withairdehumidifica-
tion function
R switch onthe defrost windshield function
briefly, ifrequired
Climate control regulates thetemper atureand
the humidity inthe vehicle interiorand filters
undesirable substancesout ofthe air. Climate
control can only beoperated whenthe
engin eis runn ing.Optimum operation isonly
achieved withtheside windows androof
closed.
i When
theweather iswarm, ventilate the
vehicle forabrief period. Thiswillspeed up
the cooling process andthedesired vehicle
inter iortemper aturewillbereached more
quickly.
i It
is possible thatthedehumidification
func tion ofthe climate control system may
be activat edautomatic allyanhour after the
Smart Keyhasbeen removed. Thevehicle is
then ventilated for30minut estodry the air-
con ditionin gsystem. Control
panelfordua l-zone automat icclimat econtrol Canada
only
0043 Setsthe temper ature,left(Ypage 119)
0044 Setsclimate control toautomatic (Ypage 119)
0087 Defr osts thewindshield (Ypage 120)
0085 Switc hestheresidual heatonoroff (Ypage 122)
0083 Switc hescooling withairdehumidification on/off(Ypage 118)
0084 Switc hestherear window defrosteron/ off(Ypage 121)
006B Switc hestheZONE function on/off(Ypage 120)
006C Setsthe temper ature,right(Ypage 119)
006D Activates/ deactivat esclimate control (Ypage 118)
006E Setsthe airdistribut ion(Ypage 120)
006F Setsthe airflow (Ypage 120) 116
Overview
ofclimat econtrol systemsClimatecontrol

Maintaining
thetime-dependent servicesched-
ule:
X Note down theservice duedate display edin
the multifunction displaybeforedisconnec t-
ing the battery.
or X Aft erreconn ectingthebattery, subtract the
battery disconnec tionperiods fromtheser-
vice date shown onthe display . Hiding
service displays
X Press the0076 or0038 button onthe steer-
ing wheel. Showing
servicedisplays
X Switch onthe ignition.
X Press 0059or0065 onthe steering wheel
to select theServ. Serv.
menu.
X Press 0063or0064 toselect theASSYST ASSYST
PLUS PLUS
submenu andconfirm bypressing the
0076 button.
The service duedate appears inthe multi-
funct iondisplay . Informat
ionabout Service
Resetting theASSYST PLUSservice
interval display !
If
the ASS YST PLUS service interval dis-
play hasbeen inadvertent lyreset, thisset-
ting canbecorrect edataqual ified special-
ist workshop.
Have service workcarried outasdescribed
in the Maintenanc eBooklet. Thismay other-
wise leadtoincreased wearanddamage to
the major assemblies orthe vehicle.
A qual ified specialist workshop, e.g.anauthor-
ized Mercedes-Ben zCenter, willreset the
ASS YST PLUS service interval displayafterthe
service workhasbeen carried out.Youcan
also obtain further information onmainte-
nance work,forexample. Special
servicerequirements The
specified maintenanc einterval takesonly
the normal operation ofthe vehicle into
account. Serviceworkwillneed tobe per-
formed moreoften ifthe vehicle isoperated
under arduou scondition sor increased loads.
The ASSYST PLUS service interval displayis
only anaid. Thedriver ofthe vehicle isrespon-
sible forwhether serviceworkwillneed tobe
performed morefrequently thanrequired asa
result ofthe actual operating conditions
and/or loads.
Examples ofarduou soperating conditions:
R regular citydriving withfrequent intermedi-
ate stops
R the vehicle isprimarily usedtotravel short
distances
R frequent useinmountainous terrainoron
poor roadsurfaces
R the engine isoften leftidling forlong peri-
ods
R particularly dustycondition s,or ifair-recir-
culation modeisfrequently used
In these orsimilar operating conditions,have
the interior filter,airfilter, engine oiland oilfil-
ter, forexample, changedmorefrequently.
Under arduou soperating conditions,the tires
must becheck edmore often. Further informa-
tion canbeobtained ataqual ified specialist
workshop.
Driving abroad An
exten siveMercedes-Ben zService network
is also availa bleinother countr ies.You can
obtain further information fromanyauthorized
Mercedes-Ben zService Center. Care
Notes
oncare H
Environmental
note
Dispose ofempty packaging andcleaning
cloths inan environm entallyresponsible
manner.
! When
cleaning yourcar,donot use:
R dry, coarse orhard cloths
R abrasive cleaningagents 270
CareMaintenance
andcare

Model MB-Freig
abeorMB-Approval All
models 229.5
Merce
des‑AMGvehic les:use only
SAE 0W-40 orSAE 5W-40 engine oils.
i MB
approval isindica tedonthe oilcon-
tainers.
Fil lin gcapaci ties The
followi ngvalu esrefer toan oilchange
includ ingthe oilfilter.
Missi ngvalu eswere notavailable attime of
going toprint. Model Capaci
ty SL
450 6.9
USqt(6.5 l) SL
550 8.5
USqt(8.0l) Merce
des-AMG
SL 63 8.9
USqt(8.5 l) Ad
diti ves !
Do
not useany additive sin the engi neoil.
Thi scou ldda mag ethe engi ne. Brake
fluid G
WARNI
NG
The brakefluidconsta ntlyabsorb smoi stur e
from theair. Thi slo we rsthe boiling pointof
the brakefluid.If the boiling pointofthe
bra kefluidistoo low, vap orpocke tsmay
form inthe brakesystem when the brakes
are applied ha rd. Thiswo uld imp airbra king
effi ciency. Thereisaris kof an acci dent.
Yo usho uld ha ve the brakefluidrene wedat
the specified inter vals.
Whe nha ndl ing brakefluid,obs erve theimpor-
tant safety notes onservice products
(Y page 321 ).
The brakefluidcha nge inter valscan befou nd
in the Maintena nceBookl et.
Only usebra kefluidap pro ved byMer cedes-
Benz inacco rdance with MB-Fre igab eor MB-
Appr oval331.0. Infor
mationabou tap pro ved brakefluidcan be
obta inedat any qualifi ed spe cialist wo rksho p
or on the Interne tat
http://b evo.merce des-benz.co m.
i Have
thebrakefluidregu larly repl aced ata
qu alifi ed spe cialist wor kshop andthe
repl acem entconfirm edinthe Maintenance
Bookl et. Co
olant
Importan tsafe tynotes G
WARNI
NG
If antifr eezecomes intocontact with hot
compo nentsinthe engi necompa rtment, it
may ignite.The reisarisk offire and injury .
Let the engi necool downbefo reyouad d
antifr eeze.Make surethat antifr eezeisnot
spi lled next tothe filler neck. Thoroughly
clea nthe antifr eezefrom compo nents
befo restarti ngthe engi ne.
! Only
addcool antthat hasbeenprem ixed
wi th the desiredantifr eezeprote ction. You
coul dotherw isedamag ethe engi ne.
You canfind additi onal notes onthe cool ant
in the followi ngplaces:
R in the Merce des-Benz Specifications for
Servi ceProd ucts, MBBeVo 310.1
- on the Internet at
http://be vo.mercedes-benz.com
- on the Merce des-Benz BeVoapp
R aqu alifi ed spe cialized workshop
! Alwa
ysuse asui tabl ecool antmixtu re,
even incountri eswhe rehig htempe ratures
prev ail.
Otherw ise,the engi necool ingsystem isnot
suff iciently prote ctedfrom corros ionand
overh eating.
i Have
thecool antregu larly repl aced ata
qu alifi ed spe cialist wor kshop andthe
repl acem entconfirm edinthe Maintenance
Bookl et.
Com plywith the important safetynotes for
servi ceprod ucts whenhand ling cool ant
(Y page 321 ). 324
Servi
ceproducts andfilling capac itiesTec hnical data