child lock MERCEDES-BENZ SLC-Class 2017 R172 Owner's Guide

XPress the=or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Vehiclesubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Automatic Door Lockfunction.
When the Automatic Door Lockfunction is
activated, the multifunction display shows the
left-hand vehicle door in orange.
XPress the abutton to save the setting.
For further information on the automatic locking
feature, see (
Ypage 69).
Activating/deactivating the acoustic
locking verification signal
If you switch on the AcousticLockfunction, an
acoustic signal sounds when you lock the vehi-
cle.
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Vehiclesubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Acoustic Lockfunction.
If the Acoustic Lockfunction is activated,
the & symbol in the multifunction display
lights up orange.
XPress the abutton to save the setting.
Convenience
Activating/deactivating the EASY-
ENTRY/EXITf eature
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steerin gwheel, you and other vehicle
occupants–p articularly children –could
become trapped. There is arisk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
If somebody becomes trapped:
Rpress one of the memory function position
buttons, or
Rmove the switch for steerin gwheel adjust-
ment in the opposite direction to that in
which the steerin gwheel is moving.
The adjustmen tprocess is stopped.
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Conveniencesubmenu.
XPress ato confirm.
XUsing :or9,s elect the EasyEntry/Exitfunction.
If the EasyEntry/Exitfunction is activated,
the multifunction display shows the steering
wheel in orange.
XPress the abutton to save the setting.
Further information on the EASY-ENTRY/EXIT
feature (
Ypage 87).
Switching the belt adjustment on/off
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Conveniencesubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Belt Adjustmentfunction.
When the Belt Adjustmentfunction is acti-
vated, the seat belt is displayed in orange in
the multifunction display.
XPress the abutton to save the setting.
For further information on belt adjustment, see
(
Ypage 41).
Switching the fold-in mirrors when lock-
ing feature on/off
This function is only availablew hen the vehicle is
equipped with the electrical fold-in function.
This function is only availableinC anada.
When you activat ethe Auto.
MirrorFoldingfunction, the exterior mirrors are folded in when
the vehicle is locked.
If you have switched on the Auto. Mirror
Foldingfunction and you fold in the exterior
mirrors using the button on the door
(
Ypage 89), they will not fold out automatically.
174Menus and submenus
On-board computer and displays

Cigarettelighter
GWARNING
You can burn yourself if you touch th ehot
heating elementort hesocke tofthecigarette
lighter.
In addition,f lammable materialsc an ignite if:
Rtheh ot cigarette lighter falls
Rachild holdst hehot cigarette lighter to
objects, for example
Thereisar iskoff irea nd injury.
Always hold th ecigarette lighter by th eknob.
Always mak esure that th ecigarette lighter is
out of reac hofchildren. Never leave children
unsupervised in th evehicle.
Your attentio nmust always be focused on the
traffic conditions. Only use th ecigarette lighter
when road and traffic conditionsp ermit.
XTurn theSma rtKey to position 2in th eignition
lock(Ypage 115).
XTo open: push thelower sectio nofcover:.
The ashtray opens.
XPress in cigarette lighter ;.
Cigarett elighter ;will pop out automatically
when th eheating elementisr ed-hot.
12Vsockets
General notes
XTurn th eSma rtKey to position 1in th eignition
lock(Ypage 115).
The sockets can be used for accessorie switha
maximum draw of 18 0W(15 A). Accessories
include suchi tems as chargers for mobile
phones. If you use th
esockets for longp eriods when the
engineiss witched off ,the battery may dis-
charge.
iAn emergenc ycut-out ensure sthatthe on-
boardv oltage does no tdropt oo low. If th eon-
boardv oltage is to olow, th epower to the
sockets is automaticall ycut.T his ensures
that there is sufficient power to start the
engine.
Socket in th efront center console
XTo open: push thelower sectio nofcover:.
The stowage compartmen topens.
XLiftupt hecover of socket ;.
mbrace
General notes
You must have alicens eagreement to activate
th em brace service. Makes ure that your system
is activated and operational. To log in, pres sthe
ï MB Info call button. If any of th esteps
mentione dare no tcarried out,t hesystem may
no tbea ctivated.
If you have questionsa bout theactivation,c on-
tac tone of th efollowingt elephone hotlines:
RUSA: Mercedes-Ben zCustome rAssistance
Cente rat1-800-FOR -MERCedes
(1-800-367-6372 )or1 -866-990-9007
RCanada: Customer Servicea t
1-888-923-8367
Shortly after successfully registerin gwith the
service, auser ID and password will be sent to
you by post.
USA only: you can use this password to log onto
the mbrace area under "Owners Online" at
http://www.mbusa.com.
Features221
Stowage and features
Z

Avoidcontact with skin, eyes or clothing. Do
not inhal eany battery gases .Donot lean over
the battery .Keepc hildren away from batter-
ies. Wash away battery aci dimmediatelyw ith
plenty of clean water and see kmedica latten-
tion.
HEnvironmental note
Batterie scontain dangerous
substances .Itisagainst the
la wtod ispose of them with
the householdr ubbish.They
must be collected separately and recycle dtoprotect the
environment.
Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries to aquali fied spe-
cialist workshop or aspecial
collectio npoint for used bat-
teries.
!Hav ethe battery checked regularly at a
qualified specialist workshop.
Observ ethe service intervals in the Mainte-
nance Bookle torcontact aquali fied specialist
workshop for more information.
!Alway shavew orkonb atteries carrie doutat
aq uali fied specialist workshop.S hould it, in
exceptionalc ircumstances ,beabsolutely
necessary to disconnect the 12-volt battery
yourself, observe the following:
Rsecur ethe vehicl etoprevent it from rolling
away.
Rswitch off the ignition.
Ralways disconnect the negative terminal
clamp first, followe dbythe positive termi-
nal clamp.
After the battery hasb eend isconnected ,the
transmission is locked in position P.
After the work hasb eend one, instal lthe bat-
tery and replace the cove rofthe positive ter-
mina lclamp firmly.
Compl ywiths afety precautions and take pro-
tective measures when handling batteries.
Risk of explosion.
Fire, open flames and smoking are
prohibited when handling the bat-
tery .Avoi dc reating sparks.
Battery aci discaustic. Avoi dcontact
with skin, eyes or clothing.
Wear suitabl eprotective clothing,
especially gloves, apron and face-
guard.
Rinse any aci dspillsimmediately
with clear water. Contact aphysician
if necessary.
Wear ey eprotection.
Kee pchildren away.
Observ ethisO perator' sManual.
For safety reasons ,Mercedes-Benz recom-
mend sthaty ouonlyu sebatteries which have
been teste dand approved for your vehicl eby
Mercedes-Benz. These batteries provide
increased impact protection to prevent vehicle
occupants from suffering aci dburns shoul dthe
battery be damaged in the event of an accident.
In order for the battery to achieve the maximum
possibl eservice life, it must always be suffi-
ciently charged.
Like othe rbatteries, the vehicl ebattery may
discharge ove rtime if yo udonot usethe vehicle.
In thisc ase, have the battery disconnected at a
qualified specialist workshop.Y oucan also
charge the battery with acharge rrecommended
by Mercedes-Benz. Contact aquali fied special-
is tw orkshop for furthe rinformation.
Hav ethe battery condition of charge checked
more frequentlyify ouuset he vehicl emainl yf or
short trip sorifyouleav eits tanding idle for a
lengthy period. Consult aquali fied specialist
workshop if yo uwishtol eave your vehicle
parked for alon gp eriodoft ime.
Remove the SmartKeyify oupark the vehicle
and do not require any electrical consumers.
Battery (vehicle)247
Breakdo wn assis tance
Z

The vehicle will then use very little energy, thus
conserving battery power.
If the power supply has been interrupted, e.g. ifyou reconnect the battery, you will have to:
Rreset the function for automatically folding
the exterior mirrors in/out by folding the mir-
rors out once (
Ypage 89)
Rset the clock (see the Digital Operator's Man-
ual)
On vehicles with amultimedia system, the
time is set automatically.
Charging the battery
GWARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over abattery.
GWARNING
Battery acid is caustic. There is arisk of injury.
Avoid contact with skin, eyes or clothing. Do
not inhale any battery gases. Do not lean over
the battery. Keep children away from batter-
ies. Wash away battery acid immediately with
plenty of clean water and seek medical atten-
tion.
GWARNING
Ad ischarged battery can freeze at tempera-
tures below freezin gpoint. When jump-start-
ing the vehicle or charging the battery, gases can escape from the battery. There is arisk of
an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting.
!Only use battery chargers with amaximum
charging voltage of 14.8 V.
!Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment. If the indicator/warning lamps do not light up at
low temperatures, it is very likely that the dis-
charged battery has frozen. In this case, you
may neither charge the battery nor jump-start
the vehicle. The service life of
athawed-out bat-
tery may be shorter .The starting characteristics
can be impaired, particularly at low tempera-
tures. Have the thawed-out battery checked at a
qualified specialist workshop.
Read the battery charger's operating instruc-
tions before charging the battery.
XOpen the hood.
XConnectt he battery charger to the positive
terminal and ground point in the same order
as when connectin gthe donor battery in the
jump-starting procedure (
Ypage 249).
248Battery (vehicle)
Breakdown assistance