2019 MERCEDES-BENZ GLA warning

Display messagesPossible causes/consequences andPPSolutions
Transmission NotTransmission 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 isin position^,\\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 145).
XClose the driver's door completely.
Service RequiredService RequiredDo Not Shift GearsDo Not 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 position^,\\or]is selected:
XSecure the vehicle against rolling away (Ypage 145).
XNotify a qualified specialist workshop or breakdown service.
Only Shift to 'P'Only Shift to 'P'when Vehicle iswhen Vehicle isStationaryStationary
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].
To Engage Trans‐To Engage Trans‐miss. Position Rmiss. Position RFirst Depress theFirst Depress theBrakeBrake
You have attempted to shift from position[or\\to position^.
XShift the transmission to position^with the brake pedaldepressed.
Reversing Not Pos‐Reversing Not Pos‐sible Servicesible ServiceRequiredRequired
The automatic transmission is malfunctioning. You cannot back up.
XVisit a qualified specialist workshop.
Transmission Mal‐Transmission Mal‐functionfunctionThe automatic transmission is malfunctioning.
XVisit a qualified specialist workshop.
Transmission Mal‐Transmission Mal‐function Stopfunction StopThe automatic transmission is malfunctioning.
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 145).
XConsult a qualified specialist workshop.
226Displaymessages
On-b oard computer and displays

Display messagesPossible causes/consequences andPPSolutions
Stop Vehicle ShiftStop Vehicle Shiftto P Leave Engineto P Leave EngineRunningRunning
The automatic transmission has overheated.
XDrive on carefully.The automatic transmission is available again when the displaymessage goes out.
If the multifunction display still shows the display message:
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 145).
XWait until the automatic transmission has cooled down and thedisplay message has disappeared.
Auxiliary BatteryAuxiliary BatteryMalfunctionMalfunctionThe auxiliary battery for the automatic transmission is no longerbeing charged.
XVisit a qualified specialist workshop.
XUntil then, always shift the transmission to position]beforeyou switch off the engine.
XBefore leaving the vehicle, apply the electric parking brake.
Trans. Oil Overhea‐Trans. Oil Overhea‐ted Drive on withted Drive on withCareCare
Mercedes-AMG vehicles: the transmission oil has overheated.
Manual drive programcand the temporarily active manual driveprogram are no longer available. The engine power output isreduced.
XAllow the vehicle to cool down.
4matic Currently4matic CurrentlyUnavailableUnavailable4MATIC has overheated. The vehicle is only driven by the frontwheels.
XDrive on.The airflow cools 4MATIC more quickly.
When the display message goes out, 4MATIC is available againand the vehicle is driven by all four wheels.
4matic Inoperative4matic Inoperative4MATIC is malfunctioning. The vehicle is only driven by the frontwheels.
XVisit a qualified specialist workshop.
eThe tailgate is open
GWARNING
When the engine is running, exhaust gases can enter the vehicleinterior if the tailgate is open.
There is a risk of poisoning.
XClose the tailgate.
Displaymessages227
On-b oard computer and displays
Z

Display messagesPossible causes/consequences andPPSolutions
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 145).
XClose the hood.
QAt least one door is open. A warning tone also sounds.
XClose all the doors.

Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions

Safety systems
Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions

Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions
%QThe yellow ABS warning lamp is lit while the engine is running.
ABS (Anti-lock Braking System) is deactivated due to a malfunction. Therefore,
BAS (Brake Assist), Active Brake Assist, ESP®(Electronic Stability Program), theHOLD function and hill start assist, for example, are also deactivated.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions lis-ted above. The wheels could therefore lock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The brak-ing distance in an emergency braking situation can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction display.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
If the ABS control unit is defective, there is also a possibility that other systems,such as the navigation system or the automatic transmission, will not be availa-ble.
Warning and indicator lamps in the instrument cluster233
On-board computer and displays
Z

Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions
%QThe yellow ABS warning lamp is lit while the engine is running.
ABS is temporarily unavailable. Therefore, BAS, Active Brake Assist, ESP®, EBD(electronic brake force distribution), the HOLD function and hill start assist, forexample, are also deactivated.
Possible causes are:
RSelf-diagnosis is not yet complete
RThe on-board voltage may be insufficient
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions lis-ted above. The front and rear wheels could therefore lock if you perform a fullbrake application, for example.
The steerability and braking characteristics may be severely affected. The brak-ing distance in an emergency braking situation can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is a risk of an accident.
XCarefully drive a suitable distance, making slight steering movements at aspeed above 12 mph (20 km/h).The functions mentioned above are available again when the warning lampgoes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction display.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
%QThe yellow ABS warning lamp is lit while the engine is running. A warningtone also sounds.
EBD is malfunctioning. Therefore, ABS, BAS, Active Brake Assist, ESP®, theHOLD function and hill start assist, for example, are not available either.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the functions lis-ted above. The front and rear wheels could therefore lock if you perform a fullbrake application, for example.
The steerability and braking characteristics may be severely affected. The brak-ing distance in an emergency braking situation can increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction display.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
234Warning and indicator lamps in the instrument cluster
On-board computer and displays

Warning/indicatorlamp
QQSignal type
Possible causes/consequences andPPSolutions
%