MERCEDES-BENZ GLC 2019 Owners Manual

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
Z

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).
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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
Z

Display messagesPossible causes/consequences andPPSolutions
Tire Pressure Moni‐Tire Pressure Moni‐tor Inoperative Notor Inoperative NoWheel SensorsWheel Sensors
The wheels mounted do not have a suitable tire pressure sensor. Thetire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.The tire pressure monitor is activated automatically after driving fora few minutes.
TireTirePress.Press.MonitorMonitorInoperativeInoperativeThe tire pressure monitor is faulty.
XVisit a qualified specialist workshop.
Tires OverheatedTires OverheatedThe tire temperature monitoring function is not available in all vehi-cles.
At least one tire has overheated. Affected tires are shown in red. Attemperatures close to the limit value, the tires are shown in yellow.
XDrive more slowly.
Tires OverheatedTires OverheatedDecrease SpeedDecrease SpeedThe tire temperature monitoring function is not available in all vehi-cles.
At least one tire has overheated.
GWARNING
Overheated tires can burst, particularly at high speeds.
XDrive more slowly so that the tires cool down.
Vehicle
Display messagesPossible causes/consequences andPPSolutions
ShiftShifttoto'P''P'oror'N''N'to Start Engineto Start EngineYou have attempted to start the engine with the transmission in posi-tion^or[.
XShift the transmission to position]or\\.
Apply Brake toApply Brake toShift from 'P'Shift from 'P'You have attempted to shift the transmission to position[,^or\\without depressing the brake pedal.
XDepress the brake pedal.
ToToDeselectDeselectPPororN,N,Depress Brake andDepress Brake andStart EngineStart Engine
With the engine switched off, you have attempted to shift the trans-mission out of position]or\\into another transmission position.
XDepress the brake pedal.
XStart the engine.
To Engage Trans‐To Engage Trans‐miss. Position Rmiss. Position RFirst Depress theFirst Depress theBrakeBrake
You have attempted to shift from position[to position^.
XDepress the brake pedal.
XShift the transmission to position^.
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Display messagesPossible causes/consequences andPPSolutions
Driver's Door OpenDriver's Door Open& Transmission Not& Transmission Notin P Risk of Vehi‐in P Risk of Vehi‐cle Rolling Awaycle Rolling Away
The driver's door is open or not fully closed and the transmission is inposition^,\\or[.
A warning tone also sounds.
GWARNING
The vehicle may roll away.
There is a risk of an accident.
XShift the transmission to position].
XSecure the vehicle against rolling away (Ypage 152).
XClose the driver's door completely.
Only Shift to 'P'Only Shift to 'P'whenwhenVehicleVehicleisisSta‐Sta‐tionarytionary
The vehicle is moving.
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XShift the transmission to position].
ServiceServiceRequiredRequiredDoDoNot Shift GearsNot Shift GearsVisit DealerVisit Dealer
You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission position[is selected:
XDrive to a qualified specialist workshop without shifting the trans-mission from position[.
If transmission position^,\\or]is selected:
XSecure the vehicle against rolling away (Ypage 152).
XNotify a qualified specialist workshop or breakdown service.
ReversingReversingNotNotPossi‐Possi‐blebleServiceServiceRequiredRequiredYou cannot shift into transmission position^due to a malfunction.
The transmission positions],\\or[continue to be available.
A warning tone also sounds.
XVisit a qualified specialist workshop.
Transmission Mal‐Transmission Mal‐function Stopfunction StopA malfunction has occurred in the mechanical transmission compo-nents.
A warning tone also sounds. The transmission automatically shifts toposition\\.
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XShift the transmission to position].
XSecure the vehicle against rolling away (Ypage 152).
XNotify a qualified specialist workshop or breakdown service.
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Display messagesPossible causes/consequences andPPSolutions
Stop Vehicle LeaveStop Vehicle LeaveEngineEngineRunningRunningWaitWaitTransmission Cool‐Transmission Cool‐inging
The transmission has overheated. Pulling away can be temporarilyimpaired or not possible.
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions. Do not continue drivingunder any circumstances.
XLeave the engine running.
XWait until the display message disappears before pulling away.
eThe tailgate is open
GWARNING
When the engine is running, exhaust gases can enter the vehicle inte-rior if the tailgate is open.
There is a risk of poisoning.
XClose the tailgate.
fThe hood is open. A warning tone also sounds.
GWARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
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).
XClose the hood.
QAt least one door is open. A warning tone also sounds.
XClose all the doors.
o
Rear Left BackrestRear Left BackrestNot LatchedNot LatchedorRearRearRight Backrest NotRight Backrest NotLatchedLatched
Vehicle with through-loading feature in the rear bench seat:
The backrest in the rear is not engaged on the left-hand and/or right-hand side.
XPush the backrest back until it engages.
o
Rear Center Back‐Rear Center Back‐rest Not Engagedrest Not Engaged
Vehicle with through-loading facility in the rear compartment:
The center rear seat backrest is not engaged.
XPush the backrest back until it engages.
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Display messagesPossible causes/consequences andPPSolutions

Display messagesPossible causes/consequences andPPSolutions

Safety
Seat belts
Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions

Safety systems
Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions
'MQ'(USA only),M(Canada only): the red brake system warning lamp is litwhile the engine is running.
A warning tone also sounds.
GWARNING
The brake boosting effect is malfunctioning and the braking characteristics may beaffected.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to roadand traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 152).
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
'MQ'(USA only),M(Canada only): the red brake system warning lamp lightsup while the engine is running.
A warning tone also sounds.
There is not enough brake fluid in the brake fluid reservoir.
GWARNING
The braking effect may be impaired.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to roadand traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 152).
XDo not add brake fluid. Adding more will not correct the malfunction.
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
'QUSA only: the red brake system warning lamp is lit while the engine is running.The multifunction display also shows a display message with the&symbol.
The brake pads/linings have reached their wear limit.
XVisit a qualified specialist workshop.
258Warning and indicator lamps in the instrument cluster
On-board computer and displays