2019 MERCEDES-BENZ GLC steering

Display messagesPossible causes/consequences andPPSolutions
ActiveActiveBrakeBrakeAssistAssistFunctions LimitedFunctions LimitedSee Operator's Man‐See Operator's Man‐ualual
Active Brake Assist with cross-traffic function is unavailable due to amalfunction.
XVisit a qualified specialist workshop immediately.
RadarRadarSensorsSensorsDirtyDirtySee Operator's Man‐See Operator's Man‐ualual
The radar sensor system is malfunctioning.
Possible causes are:
Rdirt on sensors
Rheavy rain or snow
Rwhen driving on inter-urban roads without traffic or infrastructure,e.g. in desert-like areas
At least one driving system or driving safety system is malfunctioningor is temporarily unavailable:
RActive Brake Assist
RActive Lane Keeping Assist
RActive Blind Spot Assist
RActive Distance Assist DISTRONIC with Active Steering Assist
If the radar sensor system in front is dirty, Active Blind Spot Assist willnot perform a course-correcting brake application.
Once the cause of the problem is no longer present, the driving anddrive safety systems will be available again. The display message dis-appears.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 152).
XSwitch off the engine.
XClean all sensors (Ypage 309).
XRestart the engine.The display message disappears.
u
SRSSRSMalfunctionMalfunctionSer‐Ser‐vice Requiredvice Required
The restraint system is malfunctioning. Theuwarning lamp alsolights up in the instrument cluster.
GWARNING
The air bags or Emergency Tensioning Devices may either be triggeredunintentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
XVisit a qualified specialist workshop immediately.
Further information about the restraint system (Ypage 43).
Displaymessages235
On-b oard computer and displays
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Display messagesPossible causes/consequences andPPSolutions
LaneLaneKeepingKeepingAssistAssistInoperativeInoperativeorActiveActiveLaneLaneKeepingKeepingAssist InoperativeAssist Inoperative
Lane Keeping Assist or Active Lane Keeping Assist is faulty.
XVisit a qualified specialist workshop.
Blind Spot AssistBlind Spot AssistCurrently Unavaila‐Currently Unavaila‐ble See Operator'sble See Operator'sManualManualorActiveActiveBlind Spot AssistBlind Spot AssistCurrently Unavaila‐Currently Unavaila‐ble See Operator'sble See Operator'sManualManual
Blind Spot Assist or Active Blind Spot Assist is temporarily inoperative.
Possible causes are:
Rthe radar sensor system is outside the operating temperature range
Rthe radar sensor system is temporarily inoperative, e.g. due to elec-tromagnetic radiation emitted by nearby TV or radio stations orother sources of electromagnetic radiation
When the causes stated above no longer apply, the display messagedisappears.
Blind Spot Assist or Active Blind Spot Assist is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 152).
XRestart the engine.
Blind Spot AssistBlind Spot AssistInoperativeInoperativeorActive Blind SpotActive Blind SpotAssist InoperativeAssist Inoperative
Blind Spot Assist or Active Blind Spot Assist is faulty.
XVisit a qualified specialist workshop.
Active ParkingActive ParkingAssist CanceledAssist CanceledThe driver's door is open.
XRepeat the parking gap measurement and parking process with thedriver's door closed.
You touched the multifunction steering wheel while steering inter-vention was active.
XWhile steering intervention is active, make sure that the multifunc-tion steering wheel is not touched unintentionally.
The vehicle has started to skid and ESP®has intervened.
XUse Active Parking Assist again later (Ypage 175).
Active ParkingActive ParkingAssist InoperativeAssist InoperativeActive Parking Assist is malfunctioning or faulty.
XFollow the instructions and helpful hints in the "Problems withParking Assist PARKTRONIC" section (Ypage 182).
If the multifunction display still shows the display message:
XVisit a qualified specialist workshop.
246Displaymessages
On-b oard computer and displays

Display messagesPossible causes/consequences andPPSolutions
Active DistanceActive DistanceAssist CurrentlyAssist CurrentlyUnavailable SeeUnavailable SeeOperator's ManualOperator's Manual
Active Distance Assist DISTRONIC is temporarily inoperative.
Active Steering Assist is also temporarily inoperative.
Possible causes are:
Rthe radar sensor system is temporarily inoperative, e.g. due to elec-tromagnetic radiation emitted by nearby TV or radio stations orother sources of electromagnetic radiation
Rthe system is outside the operating temperature range
Rthe on-board voltage is too low
A warning tone also sounds.
When the causes stated above no longer apply, the display messagedisappears.
Active Distance Assist DISTRONIC is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 152).
XRestart the engine.
Active DistanceActive DistanceAssist InoperativeAssist InoperativeActive Distance Assist DISTRONIC is defective.
The following may have also failed:
RActive Brake Assist with cross-traffic function
A warning tone also sounds.
XVisit a qualified specialist workshop.
Active DistanceActive DistanceAssist SuspendedAssist SuspendedYou have depressed the accelerator pedal. Active Distance AssistDISTRONIC is no longer controlling the speed of the vehicle.
XRemove your foot from the accelerator pedal.
Active DistanceActive DistanceAssist - - - mphAssist - - - mphA condition for activating Active Distance Assist DISTRONIC has notbeen met.
XCheck the activation conditions for Active Distance AssistDISTRONIC (Ypage 164).
248Displaymessages
On-b oard computer and displays

Display messagesPossible causes/consequences andPPSolutions
Active SteeringActive SteeringAssist CurrentlyAssist CurrentlyUnavailable SeeUnavailable SeeOperator's ManualOperator's Manual
Active Steering Assist is temporarily inoperative.
Possible causes are:
Rthe windshield in the camera's field of vision is dirty
Rvisibility is impaired due to heavy rain, snow or fog
Rthere have been no lane markings for an extended period
Rthe lane markings are worn away, dark or covered up, e.g. by dirt orsnow
When the causes stated above no longer apply, the display messagedisappears.
Active Steering Assist is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 152).
XClean the windshield.
Active SteeringActive SteeringAssist InoperativeAssist InoperativeActive Steering Assist is faulty.
However, the Active Distance Assist DISTRONIC functions are stillavailable.
A warning tone also sounds.
XVisit a qualified specialist workshop.
CruiseCruiseControlControlInop‐Inop‐erativeerativeCruise control is malfunctioning.
A warning tone also sounds.
XVisit a qualified specialist workshop.
Cruise ControlCruise Control- - - mph- - - mph
RA condition for activating cruise control has not been met.
You have tried to store a speed below 20 mph (30 km/h), for exam-ple.
RESP®is deactivated The yellow ESP®OFF warning lamp is lit.
XIf conditions permit, drive faster than 20 mph (30 km/h) and storethe speed.
or
XCheck the activation conditions for cruise control (Ypage 160).
or
XReactivate ESP®(Ypage 69).
or
XReactivate ESP®in Mercedes-AMG vehicles (Ypage 70).
Cruise Control OffCruise Control OffCruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-matically (Ypage 160).
Displaymessages249
On-b oard computer and displays
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Tires
Display messagesPossible causes/consequences andPPSolutions
CheckCheckTireTirePressurePressureSoonSoonCanada only:
The tire pressure loss warning system has detected a significant lossin pressure.
A warning tone also sounds.
Possible causes:
Ryou have changed the positions of the wheels and tires or installednew wheels and tires
Rthe tire pressure in one or more tires has dropped significantly
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase.
Rthey may wear excessively and/or unevenly, which may greatlyimpair tire traction.
Rthe driving characteristics, as well as steering and braking, may begreatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or brakingmaneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 152).
XCheck the tires and, if necessary, follow the instructions for a flattire (Ypage 315).
XCheck the tire pressures and, if necessary, correct the tire pressure.
XRestart the tire pressure loss warning system when the tire pres-sure is correct (Ypage 337).
CheckCheckTireTirePressurePressureThen Restart RunThen Restart RunFlat IndicatorFlat Indicator
Canada only:
The tire pressure loss warning system generated a display messageand has not been restarted since.
XSet the correct tire pressure in all four tires.
XRestart the tire pressure loss warning system (Ypage 337).
Run Flat IndicatorRun Flat IndicatorInoperativeInoperativeCanada only:
The tire pressure loss warning system is faulty.
XVisit a qualified specialist workshop.
PleasePleaseCorrectCorrectTireTirePressurePressureThe tire pressure is too low in at least one of the tires, or the tirepressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 339).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 339).
250Displaymessages
On-b oard computer and displays

Display messagesPossible causes/consequences andPPSolutions
Check TiresCheck TiresThe tire pressure in one or more tires has dropped significantly. Thewheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase.
Rthey may wear excessively and/or unevenly, which may greatlyimpair tire traction.
Rthe driving characteristics, as well as steering and braking, may begreatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or brakingmaneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 152).
XCheck the tires and, if necessary, follow the instructions for a flattire (Ypage 315).
XCheck the tire pressure (Ypage 339).
XIf necessary, correct the tire pressure.
Warning Tire Mal‐Warning Tire Mal‐functionfunctionThe tire pressure in one or more tires has dropped suddenly. The wheelposition is shown in the multifunction display.
GWARNING
Driving with a flat tire poses a risk of the following hazards:
Ra flat tire affects the ability to steer or brake the vehicle
Ryou could lose control of the vehicle
Rcontinued driving with a flat tire will cause excessive heat build-upand possibly a fire
There is a risk of an accident.
XStop the vehicle without making any sudden steering or brakingmaneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 152).
XCheck the tires and, if necessary, follow the instructions for a flattire (Ypage 315).
TireTirePress.Press.MonitorMonitorCurrently Unavaila‐Currently Unavaila‐bleble
Because there is interference from a strong source of radio waves, nosignals from the tire pressure sensors are detected. The tire pressuremonitor is temporarily malfunctioning.
XDrive on.The tire pressure monitor restarts automatically as soon as theproblem has been resolved.
TirePress. Sen‐TirePress. Sen‐sor(s) Missingsor(s) MissingThere is no signal from the tire pressure sensor of one or several tires.The pressure of the affected tire is not displayed in the multifunctiondisplay.
XHave the faulty tire pressure sensor replaced at a qualified special-ist workshop.
Displaymessages251
On-b oard computer and displays
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Tires
Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions
wQThe yellow tire pressure monitor warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitor has detected a loss of pressure in at least one of the tires.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase
Rthey may wear excessively and/or unevenly, which may greatly impair tire trac-tion
Rthe driving characteristics, as well as steering and braking, may be greatlyimpaired
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking maneuvers. Payattention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 152).
XObserve the additional display messages in the multifunction display.
XCheck the tires and, if necessary, follow the instructions for a flat tire(Ypage 315).
XCheck the tire pressure (Ypage 339).
XIf necessary, correct the tire pressure.
wQThe yellow tire pressure monitor warning lamp (pressure loss/malfunction)flashes for approximately one minute and then remains lit.
The tire pressure monitor is malfunctioning.
GWARNING
The system is possibly unable to recognize or register low tire pressure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction display.
XVisit a qualified specialist workshop immediately.
266Warning and indicator lamps in the instrument cluster
On-board computer and displays

Roadside Assistance button
XTo call:press buttonCfor Roadside Assis-tance.The call is initiated.
TheConnecting CallConnecting Callmessage appears onthe multifunction display. The audio output ismuted.
For certain countries only: a message on themultifunction display prompts you to confirmthe data transmission. After confirmation, therequired vehicle data is transmitted. Duringdata transmission, you will see a correspond-ing symbol in the display. This may take a fewseconds. You are then connected to anemployee.
XTo end a call:press thevbutton on themultifunction steering wheel.
or
XPress the corresponding multimedia systembutton for ending a phone call.
Info call button
This function is not available in all countries.
XTo call:press Info call buttonC.The call is initiated.
TheConnecting CallConnecting Callmessage appears onthe multifunction display. The audio output ismuted.
For certain countries only: a message on themultifunction display prompts you to confirmthe data transmission. After confirmation, therequired vehicle data is transmitted. Duringdata transmission, you will see a correspond-ing symbol in the display. This may take a fewseconds. You are then connected to anemployee.
XTo end a call:press thevbutton on themultifunction steering wheel.
or
XPress the corresponding multimedia systembutton for ending a phone call.
Garage door opener
General notes
The HomeLink®garage door opener integratedin the rear-view mirror allows you to operate upto 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, parkthe vehicle outside the garage. Do not run theengine while programming.
Certain garage door drives are incompatiblewith the integrated garage door opener. If youhave difficulty programing the integrated garagedoor opener, contact an authorized Mercedes-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)
Features295
Stowage and features
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