2019 MERCEDES-BENZ SL ROADSTER service reset

Bea
rin mind thattheoutsid etempe raturedis-
pl ay indi cates thetempe raturemea suredand
doe snot recor dthe roadtempe rature.
The outsid etempe raturedispl ayisin the mul-
tifu nction displ ay(Y page 192 ).
A chang ein the outsid etempe ratureisshow n
in the multifunction displ ayafte ra del ay. Co
olant temperature gage G
WARNI
NG
Ope ning thehoodwhe nthe engi neisover -
hea ted orwhe nthere isafire inthe engi ne
compa rtment couldexpo seyouto hot gases
or other serviceprod ucts. Thereisarisk of
inju ry.
Let anover heated engi necool downbef ore
ope ning thehood.Ifthere isafire inthe
engi necompa rtment, keepthehoodclos ed
and contact thefire departme nt.
! A
displ aymess ageis show nif the cool ant
tempe ratureistoo high.
If the cool anttempe ratureisover 248‡
(120 †),donot continu edri ving. The
engi newillother wise be damag ed.
The coolanttempe raturegage isin the instru -
ment cluster onthe right-ha ndside
(Y page 33).
The Hmarki nginthe cool anttempe rature
ga ug ecorre sponds toacool anttempe rature
of approxi mate ly248 ‡(120 †).
Unde rnorma lope ratingcondi tions andatthe
corre ctcool antlevel, the cool anttempe rature
ga ug emay risetothe Hmarki ng. Ope
rating theon-bo ard computer
Ove rview 0043
Multifunctio ndispl ay
0044 Right control panel
0087 Left control panel
X To acti vate theon-bo ard computer: turn
the SmartKe yto pos ition0047 inthe ignition
lock.
You cancontrol themultifunction displ ayand
the setting sin the on-bo ardcompu terusing
the buttons onthe multifunction steering
whe el.
Le ftco ntrol panel 0059
0065 R
Ca lls up the menu andmenu bar 0063
0064 Pres
sbrie fly:
R Scrol lsin lists
R Sele ctsasub menu orfuncti on
R In the Audi o Audi
omenu :sel ects the
pre vious ornext station,whe n
the preset list or stati onlist is
acti ve,oran audio track orvid eo
scene
R In the Tel Tel
(teleph one) menu :
swi tches tothe phoneboo kand
sel ects aname ortele pho ne
numb er Di
splay sand operation
191On-board computer anddispl ays Z

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

!
Have
thebattery regularlychecked ata
qual ified speciali stworkshop.
Comply withtheservice intervals inthe
Maintenance Booklet,orcont actaqual ified
speciali stworkshop formore information.
! Alway
shave work onbatteries carriedout
at aqual ified speciali stworkshop.
Should it,inexceptional circumstances, be
absolu telynecessary todisconnect the12-
volt battery yourself,please observe thefol-
lowing:
R Secure thevehicle toprevent itfrom roll-
ing awa y.
R Switch offthe ignition.
R Disconn ectthe negative terminalfirstand
then thepositive terminal.
After thework hasbeen done, install the
battery andreplace thecover ofthe positive
terminal clampfirmly.
Comply withsafety precautions andtake pro-
tect ivemeasures whenhandling batteries. Risk
ofexplosion. Fire,
open flames andsmoking are
prohibited whenhandling thebat-
tery. Avoid creating sparks. Battery
acidiscaustic. Avoidcon-
tact with skin, eyesorclothing.
Wear suitabl eprotective clothing,
especial lygloves, apronandface-
guard.
Rinse anyacid spills immediately
with clear water. Contact aphysi-
cian ifnecessary. Wear
eyeprotection. Keep
children away. Observe
thisOperator's Manual.
For safety reasons, Mercedes-Benz recom-
mends thatyouonly usebatteries whichhave been
tested andapproved foryour vehicle by
Mercedes-Benz .These batteries provide
increased impactprotection toprevent vehicle
occupants fromsuffering acidburns should
the battery bedamage din the event ofan
accident.
In order forthe battery toachieve themaxi-
mum possible servicelife,itmust alwaysbe
sufficiently charged.
Like other batteries, thevehicle battery may
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebattery disconnec-
ted ataqual ified speciali stworkshop. Youcan
also charge thebattery withacharger recom-
mended byMercedes-Benz .Contact aqual i-
fied speciali stworkshop forfurther informa-
tion.
Have thebattery condition ofcharge checked
more frequently ifyou usethevehicle mainly
for short tripsorifyou leave itstanding idle
for alengthy period.Consult aqual ified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Remove theSmartKey ifyou park thevehicle
and donot require anyelectrical consumers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
After aninterruption tothe power supply,e.g.
due toadischarged battery,youmust reset
the clock (seetheDigital Operator's Manual). Charging
thebattery G
WARNING
During charging andjump-startin g,explosive
gases canescape fromthebattery. Thereis
a risk ofan explosion.
Particularl yavoid fire,open flames, creating
sparks andsmoking. Ensurethereissuffi-
cient ventilation whilecharging andjump-
starting. Donot lean over abattery. G
WARNING
Battery acidiscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothing. Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi- 284
Bat
tery (vehic le)Breakdown assistance