battery location MERCEDES-BENZ SLC-Class 2017 R172 Owner's Manual

Display messagesPossible causes/consequences andMSolutions
Â
ReplaceKey Batter y
The SmartKey battery is discharged.
XChange thebattery (Ypage 66) .
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Don't Forget You rKey
The SmartKey is notintheignition lock. You hav eopened th edriver's
door wit hthe engin eswitched off .
The multifunction display shows th edisplay message amaximum of
60 seconds and is simply areminder.
XTak ethe SmartKey wit hyou when you leav ethe vehicle.
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Key Not Detected(redd isplay message )
The SmartKey is no tinthevehicle.
Aw arning tone also sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicl ecen-
trally or start th eengine.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XLocate th eSmartKey.
XPress aon thesteering whee ltoc onfir mthedisplay message .
Becausethe re is interferenc efromas tron gs ource of radi owaves, th e
SmartKey is no tdetecte dwhilstthe engin eisrunning.
Aw arning tone also sounds.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XInser tthe SmartKey int othe ignition loc kand bring int okeymode.
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Key Not Detected(whit edisplay message )
The SmartKey is currentl yundetected.
XChange th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbedetected:
XInsertthe SmartKey int othe ignition loc kand tur nittot hedesire d
position .
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Remove 'Start 'But‐ton and Insert Key
The SmartKey is continually undetected.
KEYLESS-GO is temporarily malfunctioning or is defective. Awarning
tone also sounds.
XInser tthe SmartKey int othe ignition loc kand tur nittot hedesire d
position .
XVisitaqualified specialist workshop .
Warning and indicat orlamps
Gene raln otes
Some systems carry out aself-diagnosis when th eignition is switched on .Therefore ,som eindicator
and warning lamp smay ligh tuporf lashtem porarily. This behavio risnon-criti cal.These indicator
202Warning andi ndicator lamps
On-board computera nd displays

The system is availableif:
Rit has been activated and is operational
Rthe corresponding mobile phone network is
availablefor transmitting data to the Cus-
tomer Center
Ras ervice subscription is available
Rthe starter battery is sufficiently charged
iDetermining the location of the vehicle on a
map is only possible if:
RGPS reception is available.
Rthe vehicle position can be forwarded to
the Customer Assistance Center.
The mbrace system
To adjust the volume during acall, proceed as
follows:
XPress the WorX button on the multi-
function steerin gwheel.
or
XUse the volume controller of the audio sys-
tem/COMAND.
The system offers various services, e.g.:
RAutomatic and manual emergencyc all
RRoadside Assistance call
RMB Info call
USA only: you can find information and a
description of all availablef eatures under "Own-
ers Online" at http://www.mbusa.com.
System self-test
After you have switched on the ignition, the sys- tem carries out aself-diagnosis.
Am alfunction in the system has been detected
if one of the following occurs:
RThe indicator lamp in the SOS button does not
come on during the system self-test.
RThe indicator lamp in the FRoadside
Assistance button does not light up during
self-diagnosis of the system.
RThe indicator lamp in the ïMB Info call
button does not light up during self-diagnosis
of the system.
RThe indicator lamp in one or more of the fol-
lowing button scontinues to light up red after
the system self-diagnosis:
-SOS button
-F Roadside Assistance call button
-ïMB Info call button
RAfter the system self-diagnosis, the Inoper‐ativeorServiceNotActivatedmessage
appears in the multifunction display.
If am alfunction is indicated as outlined above,
the system may not operate as expected. In the
event of an emergency, help will have to be
summoned by other means.
Have the system checked at the nearest author-
ized Mercedes-Benz Center or contact the fol-
lowing service hotlines:
RUSA: Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
(1-800-367-6372)o r1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
Emergency call
Important safety notes
GWARNING
It can be dangerous to remain in the vehicle,
even if you have pressed the SOS button in an emergencyi f:
Ryou see smoke inside or outside of the vehi-
cle, e.g. if there is afire after an accident
Rthe vehicle is on adangerous section of
road
Rthe vehicle is not visible or cannot easily be seen by other road users, particularly when
dark or in poor visibility conditions
There is arisk of an accident and injury.
Leave the vehicle immediately in this or simi-
lar situations as soon as it is safe to do so.
Move to asafe location along with other vehi-
cle occupants. In such situations, secure the
vehicle in accordanc ewith national regula-
tions, e. g. with awarning triangle.
You must have alicense agreement to activate
the mbrace service. Make sure that your system
is activated and operational. To register, press
the ï MB Info call button .Ifany of the steps
222Features
Stowage and features