key MERCEDES-BENZ SLC 2019 Repair Manual

Indicator and warning display
CYellow indicator lamp/red warning lamp
Blind Spot Assist is not active at speeds belowapproximately 20 mph (30 km/h). Vehicles inthe monitoring range are then not indicated.
When Blind Spot Assist is activated, indicatorlampCin the exterior mirrors lights up yellowat speeds of up to 20 mph(30 km/h). Atspeeds above 20 mph (30 km/h), the indicatorlamp goes out and Blind Spot Assist is opera-tional.
If a vehicle is detected within the blind spotmonitoring range at speeds above 20 mph(30 km/h), warning lampCon the corre-sponding side lights up red. This warning isalways emitted when a vehicle enters the blindspot monitoring range from behind or from theside. When you overtake a vehicle, the warningonly occurs if the difference in speed is lessthan 7 mph (12 km/h).
The yellow indicator lamp goes out if reversegear is engaged. In this event, Blind SpotAssist is no longer active.
The brightness of the indicator/warning lampsis adjusted automatically according to theambient light.
Collision warning
If a vehicle is detected in the monitoring rangeof Blind Spot Assist and you switch on the cor-responding turn signal, a double warning tonesounds. Red warning lampCflashes. If theturn signal remains on, vehicles detected areindicated by the flashing of red warninglampC. There are no further warning tones.
Switching on Blind Spot Assist
XMake sure that Blind Spot Assist(Ypage 175) is activated in the on-boardcomputer.
XTurn the SmartKey to positionHin the igni-tion lock.Warning lampsCin the exterior mirrorslight up red for approximately 1.5 secondsand then turn yellow.
Lane Keeping Assist
General notes
Lane Keeping Assist monitors the area in frontof your vehicle with cameraC, which ismounted at the top of the windshield. LaneKeeping Assist detects lane markings on theroad and warns you before you leave your laneunintentionally.
If you selectkmkmon the on-board computer intheDisplay Unit Speed-/OdometerDisplay Unit Speed-/Odometerfunc-tion (Ypage 176), Lane Keeping Assist isactive starting at a speed of 60 km/h. If themilesmilesdisplay unit is selected, the assistancerange begins at 40 mph.
A warning may be given if a front wheel passesover a lane marking. It will warn you by meansof intermittent vibration in the steering wheelfor up to 1.5 seconds.
Important safety notes
GWARNING
Lane Keeping Assist cannot always clearly
detect lane markings.
In such cases, Lane Keeping Assist can:
Rgive an unnecessary warning
Rnot give a warning
There is a risk of an accident.
Driving systems165
Driving and parking
Z

XPress the8button on the steeringwheel.
XConfirmYesYeswithv.
The RACE TIMER interrupts timing if you stopthe vehicle and turn the SmartKey to positionGin the ignition lock. If you turn the Smart-Key to position3and then pressvto con-
firmStartStart, timing is continued.
Resetting the current lap
XStop the RACE TIMER.
XPress theYorebutton to selectReset LapReset Lap.
XPressvto reset the lap time to "0".
Deleting all laps
If you switch off the engine, the RACE TIMER isreset to "0" after 30 seconds. All laps aredeleted.
You cannot delete individual stored laps. If youhave stopped 16 laps, the current lap does nothave to be reset.
XReset the current lap.
XPressvto confirmResetReset.Reset Race-Timer?Reset Race-Timer?appears in the multi-function display.
XPress thedbutton to selectYesYesandpress thevbutton to confirm.All laps are deleted.
Overall statistics
CRACETIMER overall evaluation
DTotal time driven

Notes for route types:
REco RouteEco Route
RDynamic Traffic RouteDynamic Traffic Route
Traffic reports on the route for the routeguidance are taken into account (not availa-ble in all countries).
RDynamic TRF. Route After RequestDynamic TRF. Route After Request
You can decide whether or not current traf-fic reports should be included in the routecalculation (not available in all countries).
RCalculate Alternative RoutesCalculate Alternative Routes
Different routes are being calculated. Inorder to do so, instead ofStartStart, select themenu itemContinueContinue.
XTo avoid/use route options:select
Avoid OptionsAvoid Options.
XSelect a route option.
Notes for route options:
RUse Toll RoadsUse Toll Roads
The route calculation includes roads whichrequire you to pay a usage fee (toll).
RNumber of Occupants in the Vehicle:Number of Occupants in the Vehicle:(only available in the USA)
Prerequisite: your vehicle meets the accessconditions for carpool lanes.
Carpool lanes will be included if the carpoollanes option is activated.
Entering an address
Multimedia system:
XSelectNaviNavi{NavigationNavigation.The map shows the vehicle's current posi-tion.
XSlide6the controller.
XSelectDestinationDestination{Address EntryAddress Entry.
Enter an address, e.g. as follows:
Rcity or ZIP code, street, house number
Rstate/province, city or ZIP code
Rcity or ZIP code, center
Rstreet, city or ZIP code, intersection
XSelectCityCity.The city in which the vehicle is currentlylocated (current vehicle position) is at thetop. Below this, you will see locations forwhich route guidance has already been car-ried out.
XEnter the city.TheCsymbol: the location is contained onthe digital map multiple times.
XTo switch to the list:slide5the control-ler.
XSelect the location.If available, the ZIP code is shown. If thereare different ZIP codes available for thelocation, the corresponding digits are dis-played with anXX.
XEnter the street and house number.The address is in the menu.
Further options for destination entry:
Rsearch for a keyword
The keyword search finds destinations usingfragments of words.
Rselect the last destination
Rselect a contact
Rselect a POI
You can search for a POI by location, nameor telephone number.
Rselect destination on the map
Renter intermediate destination
You can map the route to the destinationyourself with up to four intermediate desti-nations.
Rselect destinations from Mercedes-BenzApps
Rselect geo-coordinates
Calculating the route
Prerequisite: the address has been enteredand is in the menu.
XSelectStartStartorContinueContinue.The route is calculated with the selectedroute type and the selected route options.
If route guidance has already been activa-ted, a prompt will appear asking whetheryou wish to end the current route guidance.
XSelectCancel Active Route GuidanceCancel Active Route GuidanceorSet as Intermediate DestinationSet as Intermediate Destination.Cancel Active Route GuidanceCancel Active Route Guidancecancelsthe current route guidance and starts routecalculation to the new destination.
Set as Intermediate DestinationSet as Intermediate Destinationaddsthe new destination in addition to the exist-ing destination and opens the intermediatedestinations list.
220Operating system
Multimedia system

Connecting a mobile phone
(COMAND)
Requirements
For telephony via the Bluetooth®interface, you
require a Bluetooth®-capable mobile phone.The mobile phone must support Hands-FreeProfile 1.0 or above.
Multimedia system:
XSelectVehicleVehicle{System Set‐System Set‐tingstings{Activate BluetoothActivate Bluetooth.
XActivate Bluetooth®s.
Mobile phone:
XActivate Bluetooth®and, if necessary, Blue-
tooth®visibility for other devices (see themanufacturer's operating instructions).
The Bluetooth®device names for all of onemanufacturer's products might be identical. Tomake it possible to clearly identify your mobilephone, change the device name (see the man-ufacturer's operating instructions).
If the mobile phone supports the PBAP (PhoneBookAccessProfile) and MAP (Message
AccessProfile) Bluetooth®profiles, the follow-ing information will be transmitted after youconnect:
RPhone book
RCall lists
RText messages and e-mail
iFurther information on suitable mobilephones can be found at:http://www.mercedes-benz.com/connect
iIn the USA, you can get in touch with theMercedes-Benz Customer Assistance Centeron 1-800-FOR-MERCedes(1-800-367-6372).
In Canada, you can get in touch with theCustomer Relations Center on1-800-387-0100.
Searching for and authorizing (con-
necting) a mobile phone
Before using your mobile phone with the multi-media system for the first time, you will needto search for the phone and then authorize(connect) it. Depending on the mobile phone,authorization either takes place by means of
Secure Simple Pairing or by entering a pass-key. The multimedia system automaticallymakes the procedure that is relevant for yourmobile phone available. The mobile phone isalways connected automatically after authori-zation. Further information on using a mobilephone with the multimedia system (see theDigital Operator's Manual).
If the multimedia system does not detect yourmobile phone, this may be due to particularsecurity settings on your mobile phone (seethe manufacturer's operating instructions).
Only one mobile phone can be connected tothe multimedia system at any one time.
Searching for a mobile phone
Multimedia system:
XSelectTel/Tel/

Authorization by entering a passkey (pass-code):
XSelect the Bluetooth®name of the mobilephone.The input menu for the passkey is displayed.
XChoose a one to sixteen-digit number com-bination as a passkey.
XEnter the passkey on the multimedia sys-tem.
XPressTto confirm.
XEnter and confirm the passkey on themobile phone. Depending on the mobilephone used, confirm the connection to themultimedia system and for the PBAP and
MAP Bluetooth®profiles. The prompt toconfirm may take up to two minutes to bedisplayed (see the manufacturer's operatinginstructions).
Connecting a mobile phone (Audio
20)
Requirements
For telephony via the Bluetooth®interface, you
require at least one Bluetooth®-capable mobilephone depending on use ofone-telephonemodeortwo-telephone mode. The mobilephone must support Hands-Free Profile 1.0 orabove.
Intwo-telephone modeyou can use all thefunctions of the multimedia system with themain telephone. With theadditional tele-phone, you can receive incoming calls.
Multimedia system:
XSelectVehicleVehicle{System Set‐System Set‐tingstings{Activate BluetoothActivate Bluetooth.
XActivate Bluetooth®s.
Mobile phone:
XActivate Bluetooth®and, if necessary, Blue-
tooth®visibility for other devices (see themanufacturer's operating instructions).
The Bluetooth®device names for all of onemanufacturer's products might be identical. Tomake it possible to clearly identify your mobilephone, change the device name (see the man-ufacturer's operating instructions).
If the mobile phone supports the PBAP (PhoneBookAccessProfile) and MAP (Message
AccessProfile) Bluetooth®profiles, the follow-ing information is transmitted after you con-nect the main telephone:
RPhone book
RCall lists
RText messages and e-mail
iFurther information on suitable mobilephones can be found at:http://www.mercedes-benz.com/connect
iIn the USA, you can get in touch with theMercedes-Benz Customer Assistance Centeron 1-800-FOR-MERCedes(1-800-367-6372).
In Canada, you can get in touch with theCustomer Relations Center on1-800-387-0100.
Searching for and authorizing (con-
necting) a mobile phone
Before using your mobile phone with the multi-media system for the first time, you will needto search for the phone and then authorize(connect) it. Depending on the mobile phone,authorization either takes place by means ofSecure Simple Pairing or by entering a pass-key. The multimedia system automaticallymakes the procedure that is relevant for yourmobile phone available. The mobile phone isalways connected automatically after authori-zation. Further information on using a mobilephone with the multimedia system (see theDigital Operator's Manual).
If the multimedia system does not detect yourmobile phone, this may be due to particularsecurity settings on your mobile phone (seethe manufacturer's operating instructions).
Searching for a mobile phone
Multimedia system:
XSelectTel/Tel/

Connecting a mobile phone
XOne-telephone mode:selectConnect asConnect as
New Main PhoneNew Main Phone.
XTwo-telephone mode:selectConnect asConnect as
Additional PhoneAdditional Phonewhen a mobile phone isalready connected.
XAuthorization using Secure Simple Pair-ing:
A code is displayed in the multimedia sys-tem and on the mobile phone.
XConfirm code on the mobile phone. Depend-ing on the mobile phone used, confirm theconnection to the multimedia system and
for the PBAP and MAP Bluetooth®profiles.The prompt to confirm may take up to twominutes to be displayed (see the manufac-turer's operating instructions).
XIf the codes are different: selectNoNoon themultimedia system.The process is canceled.
Repeat authorization.
or
XAuthorization by entering a passkey(passcode):enter any one- to sixteen-digitnumber sequence which you have chosenyourself into the passkey input menu.
XPressTto confirm.
XEnter and confirm the passkey on themobile phone. Depending on the mobilephone used, confirm the connection to themultimedia system and for the PBAP and
MAP Bluetooth®profiles. The prompt toconfirm may take up to two minutes to bedisplayed (see the manufacturer's operatinginstructions).
Symbols in the device manager
The symbols are shown in color depending ontheir use.
SymbolExplanation
Mobile phone connected to themultimedia system
Main telephone with full range offunctions
Additional telephone for incom-ing calls in two telephone mode
Media mode
General notes
If you wish to play external media sources, theappropriate media mode must already beturned on. Further information on media mode(see the Digital Operator's Manual).
The following external media sources can beused:
RApple®devices (e.g. iPhone®)
RUSB devices (e.g. USB stick, MP3 player)(Ypage 224)
RCD
RDVD (COMAND)
RSD cards
RVia devices connected by Bluetooth®
iInformation on single CD/DVD drive orDVD changer (see the Digital Operator'sManual).
Selecting using the device list
Multimedia system:
XSelectMediaMedia{DevicesDevices.The available media sources will be shown.The;dot indicates the current setting.
XSelect the media source.Playable files are played.
Inserting/removing an SD card
Important safety notes
GWARNING
SD cards are small parts. They can be swal-
lowed and cause choking. This poses an
increased risk of injury or even fatal injury.
Keep the SD card out of the reach of chil-
dren. If a SD card is swallowed, seek medi-
cal attention immediately.
!If the SD card is no longer in use, youshould take it out and remove it from thevehicle. High temperatures can damage thecard.
Operating system223
Multimedia system
Z

Stowage areas
Stowage spaces
Important safety notes
GWARNING
If objects in the passenger compartment are
stowed incorrectly, they can slide or be
thrown around and hit vehicle occupants. In
addition, cup holders, open stowage spaces
and mobile phone brackets cannot always
retain all objects they contain. There is a
risk of injury, particularly in the event of sud-
den braking or a sudden change in direction.
RAlways stow objects so that they cannot
be thrown around in such situations.
RAlways make sure that objects do not pro-
trude from stowage spaces, parcel nets or
stowage nets.
RClose the lockable stowage spaces before
starting a journey.
RAlways stow and secure heavy, hard, poin-
ted, sharp-edged, fragile or bulky objects
in the trunk.
Glove compartment
XTo open:pull handleCand open glove boxflapD.
XTo close:fold glove box flapDup until itengages.
The glove box flap contains brackets for coins,pens, and credit and service cards.
The glove box can be locked and unlockedusing the mechanical key.
XTo lock:insert the mechanical key into thelock and turn it to positionH.
XTo unlock:insert the mechanical key intothe lock and turn it to positionG.
Stowage compartment/telephone
compartment under the armrest
XTo open:push buttonCup and raise arm-restD.
The stowage compartment can be locked andunlocked centrally using the SmartKey(Ypage 66).
iDepending on the vehicle equipment, aUSB port and a Media Interface is installedin the stowage compartment. A Media Inter-face is a universal interface for mobile audio
equipment, e.g. for an iPod®or MP3 Player .
Stowage areas225
Stowage and features
Z

Customer Assistance Center. The customerservice representative can use the receiveddata to decide what kind of assistance isrequired. You are then, for example, guided tothe nearest Mercedes-Benz Service Center ora recovery vehicle is called.
If vehicle data needs to be transferred duringan MB Info call or a Roadside Assistance call,this is initiated by the Customer AssistanceCenter. You will see theRoadside Assis‐Roadside Assis‐tance Connectedtance Connectedmessage in the COMANDdisplay. If the Vehicle Health Check can bestarted, theRequest for vehicle diagno‐Request for vehicle diagno‐sis received. Start vehicle diagno‐sis received. Start vehicle diagno‐sis?sis?message appears in the display.
XConfirm the message withYesYes.
XWhen theVehicle Diagnosis: PleaseVehicle Diagnosis: Pleasestart ignition.start ignition.message appears, turnthe SmartKey to positionHin the ignitionlock (Ypage 118).
XWhen thePlease follow the instruc‐Please follow the instruc‐tions received by phone and movetions received by phone and moveyour vehicle to a safe positionyour vehicle to a safe positionmes-sage appears, follow the customer servicerepresentative's instructions.The message in the display disappears.
If you selectCancelCancelthe Vehicle HealthCheck is canceled completely.
The vehicle operating state check begins.You will see theVehicle diagnosisVehicle diagnosisactivated.activated.message.
When the check is completed, theSendSendvehicle diagnostics data (Voice con‐vehicle diagnostics data (Voice con‐nection may be interrupted duringnection may be interrupted duringdata transfer)data transfer)message appears. The vehi-cle data can now be sent to the CustomerAssistance Center.
XPressOKOKto confirm the message.The voice connection with the CustomerAssistance Center is terminated.
You will see theVehicle Diagnosis:Vehicle Diagnosis:Transferring data...Transferring data...message.
The vehicle data is sent to the CustomerAssistance Center.
Depending on what the customer service rep-resentative agreed with you, the voice connec-tion is re-established after the transfer is com-plete. If necessary, you will be contacted at alater time by another means, e.g. by e-mail orphone.
Another function of the Vehicle Health Checkis the transfer of service data to the Customer
Assistance Center. If a service is overdue, theCOMAND display shows a message about vari-ous special offers at your workshop.
USA only: this information can also be calledup under "Owners Online" at http://www.mbusa.com.
Information on the data stored in the vehicle(Ypage 28).
Information on Roadside Assistance(Ypage 25).
Garage door opener
General notes
The HomeLink®garage door opener integratedin the rear-view mirror allows you to operateup to three different door and gate systems.
Use the integrated garage door opener only ongarage doors that:
Rhave safety stop and reverse features and
Rmeet current U.S. federal safety standards
Once programed, the integrated garage dooropener in the rear-view mirror will assume thefunction of the garage door system's remotecontrol. Please also read the operating instruc-tions for the garage door system.
When programming a garage door opener,park the vehicle outside the garage. Do notrun the engine while programming.
Certain garage door drives are incompatiblewith the integrated garage door opener. If youhave difficulty programing the integratedgarage door opener, contact an authorizedMercedes-Benz Center.
Alternatively, you can call the following tele-phone assistance services:
RUSA:Mercedes-Benz Customer AssistanceCenter at 1-800-FOR-MERCedes
RCanada:Customer Service at1-800-387-0100
RHomeLink®hotline 1-800-355-3515 (free ofcharge)
More information on HomeLink®and/or com-patible products is also available online athttp://www.homelink.com.
Notes on the declaration of conformity(Ypage 26).
USA: FCC ID: CB2HMIHL4
Canada: IC: 279B-HMIHL4
234Features
Stowage and features

located on the door drive unit on the garageceiling.
Familiarize yourself with the garage door driveoperating instructions, e.g. under "Program-ming additional remote controls", before carry-ing out the following steps.
Your vehicle must be within reach of thegarage door or gate opener drive. Make surethat neither your vehicle nor any persons/objects are present within the sweep of thedoor or gate.
XTurn the SmartKey to positionHin the igni-tion lock (Ypage 118).
XGet out of the vehicle.
XPress the programming button on the doordrive unit.
Usually, you now have 30 seconds to initiatethe next step.
XGet into the vehicle.
XPress previously programed buttonD,

If you need to do any work inside the engine
compartment:
Rswitch off the ignition
Rnever reach into the area where there is a
risk of danger from moving components,
such as the fan rotation area
Rremove jewelry and watches
Rkeep items of clothing and hair, for exam-
ple, away from moving parts
GWARNING
The cooling system is pressurized, particu-
larly when the motor is warm. If you open
the cap, you could be scalded if hot coolant
sprays out. There is a risk of injury.
Let the engine cool down before you open
the cap. Wear protective gloves and protec-
tive eyewear when opening. Open the cap
slowly to release pressure.
Example
XPark the vehicle on a level surface.
Only check the coolant level when the vehi-cle is on a level surface and the engine hascooled down.
XTurn the SmartKey to positionHin the igni-tion lock (Ypage 118).
On vehicles with KEYLESS-GO, press theStart/Stop button twice (Ypage 118).
XCheck the coolant temperature gage in themultifunction display.The coolant temperature must be below158 ‡ (70 †).
XTurn the SmartKey to position