2019-2024 Mercedes G Class SUV Display messages and warning/indicator lamps -> Warning and indicator lamps User Manual
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Display messages and warning/indicator lamps -> Warning and indicator lamps for Your Mercedes G Class SUV Fourth Generation (2019-2024)

Display messages Possible causes/consequences and M Solutions
5
Engine Oil Level Cannot Be
Measured
* The electrical connection to the oil level sensor has been interrupted or the oil level sensor is faulty.
#
Consult a qualied specialist workshop.
Warning and indicator lamps
Overview of indicator and warning lamps
Some systems will perform a self-test when the
vehicle is switched on. Some indicator and warn-
ing lamps may briey light up or ash. This behav-
ior is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or ash aer the vehicle has been started or dur-
ing a journey.
Instrument display Progressive setting
If you select the Progressive display setting, the
positions of the indicator lamps on the instrument
display will change.
440
Display messages and warning/indicator lamps
Indicator and warning lamps
Occupant safety
6
Restraint system (/ page 442)
ü
Seat belt (/ page 442)
Vehicle
Ù
Power steering (/ page 443)
Engine
ÿ
Coolant temperature (/ page 444)
;
Engine diagnosis (/ page 444)
#
Electrical malfunction (/ page 444)
8
Reserve fuel with fuel ller ap location
indicator (/ page 444)
Braking
!
Electric parking brake (yellow)
(/ page 447)
F
USA: electric parking brake (red)
(/ page 447)
!
Canada: electric parking brake (red)
(/ page 447)
é
USA: Recuperative Brake System
(/ page 447)
J
Canada: brakes (yellow)(/ page 447)
$
USA: brakes (red) (/ page 447)
J
Canada: brakes (red) (/ page 447)
Driving and driving safety systems
!
ABS (/ page 450)
÷
ESP
®
(/ page 450)
å
ESP
®
OFF (/ page 450)
L
Distance warning (/ page 450)
Ó
Active Brake Assist (/ page 450)
ê
Active Brake Assist (/ page 450)
Tire pressure monitoring system
h
Tire pressure monitoring system
(/ page 453)
Exterior lighting
T
Standing lights (/ page 107)
L
Low beam headlamps (/ page 107)
K
High beam headlamps (/ page 108)
#!
Turn signal lights (/ page 108)
R
Rear fog light (/ page 107)
Display messages and warning/indicator lamps
441
Occupant safety
Warning/indicator lamp Possible causes/consequences and M Solutions
6
Restraint system warning
lamp
* The restraint system red warning lamp is lit while the vehicle is on.
The restraint system is malfunctioning (/ page 38).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Drive on carefully.
#
Note the messages on the instrument display.
#
Consult a qualied specialist workshop immediately.
ü
Seat belt warning lamp
* The red seat belt warning lamp ashes and an intermittent warning tone sounds.
or
The red seat belt warning lamp lights up for six seconds once the vehicle has started.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp ashes and an intermittent warning tone sounds:
The driver or front passenger has not fastened his/her seat belt while the vehicle is in motion.
#
Fasten your seat belt (/ page 37).
There are objects on the front passenger seat.
442
Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Remove the objects from the front passenger seat.
The red seat belt warning lamp lights up once the vehicle has started:
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
#
Fasten your seat belt (/ page 37).
If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.
Vehicle
Warning/indicator lamp Possible causes/consequences and M Solutions
Ù
Power steering warning
lamp (red)
* The red power steering warning lamp is lit while the vehicle is running.
The power assistance or the steering itself is malfunctioning.
&
WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardized.
#
Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do not
continue driving under any circumstances.
#
Consult a qualied specialist workshop.
#
Note the messages on the instrument display.
Display messages and warning/indicator lamps
443
Engine
Warning/indicator lamp Possible causes/consequences and M Solutions
ÿ
Coolant warning lamp
* The red coolant warning lamp is lit while the engine is running.
Possible causes are:
R
The temperature sensor is malfunctioning
R
The coolant level is too low
R
The air supply to the radiator is obstructed
R
The radiator fan is faulty
R
The coolant pump is faulty
If there is an additional warning tone, the coolant temperature has exceeded the maximum permissible temperature.
&
WARNING Risk of burns when opening the hood
If you open the hood in the event of an overheated engine or re in the engine compartment, the following situations
may occur:
R
You may come into contact with hot gases.
R
You may come into contact with other escaping hot operating uids.
#
Before opening the hood, allow the engine to cool down.
#
In the event of a re in the engine compartment, keep the hood closed and call the re service.
444
Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Stop immediately in accordance with the trac conditions and switch o the vehicle. Do not continue driving.
#
Note the messages on the instrument display.
If the coolant temperature display is at the lower end of the temperature scale:
#
Consult a qualied specialist workshop.
If the coolant temperature display is at the upper end of the temperature scale:
#
Exit the vehicle and keep a safe distance from it until the engine has cooled down.
#
Check the coolant level (/ page 321).
#
Make sure that the air supply to the radiator is not obstructed.
#
Consult a qualied specialist workshop.
#
Avoiding high loads on the engine, drive to the nearest qualied specialist workshop. In doing so, ensure that the
coolant temperature display remains below the red area.
;
Check Engine warning lamp
* The yellow Check Engine warning lamp is lit while the engine is running.
A malfunction has occurred in the engine, the exhaust system or the fuel system.
The emissions limit value may have been exceeded and the engine may be running in emergency operation mode.
In some states, legal requirements stipulate that you must immediately consult a qualied specialist workshop as soon
as the yellow Check Engine warning lamp lights up.
#
Have the vehicle checked as soon as possible at a qualied specialist workshop.
Display messages and warning/indicator lamps
445
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Electrical malfunction warn-
ing lamp
* The red electrical malfunction warning lamp is lit.
There is a malfunction in the electrics.
#
Note the messages on the instrument display.
8
Fuel reserve warning lamp
* The yellow fuel reserve warning lamp lights up while you are driving.
or
The yellow fuel reserve warning lamp lights up while the engine is running.
The yellow fuel reserve warning lamp lights up while you are driving:
There has been pressure loss in the fuel system. The fuel ller cap is not closed correctly or the fuel system is leaking.
#
Close the fuel ller cap.
If the fuel ller cap has already been closed correctly:
#
Consult a qualied specialist workshop.
The yellow fuel reserve warning lamp lights up while the engine is running:
The fuel supply has dropped into the reserve range.
#
Refuel.
446
Display messages and warning/indicator lamps
Brakes
Warning/indicator lamp Possible causes/consequences and M Solutions
F
Electric parking brake indi-
cator lamp (red) (USA only)
!
Electric parking brake indi-
cator lamp (red) (Canada
only)
!
Electric parking brake indi-
cator lamp (yellow)
* The red electric parking brake indicator lamp ashes or is lit.
The yellow electric parking brake indicator lamp is also lit in the event of a malfunction.
#
Note the messages on the instrument display.
Display messages and warning/indicator lamps
447
Warning/indicator lamp Possible causes/consequences and M Solutions
é
RBS warning lamp (USA
only)
J
Brakes warning lamp (yel-
low) (Canada only)
*The yellow é warning lamp (USA only) or the yellow J brake warning lamp (Canada only) is lit while the vehicle is
running.
&
WARNING Risk of an accident due to a brake system malfunction
If the brake system is malfunctioning, braking characteristics may be impaired.
#
Drive on carefully.
#
Have the brake system checked immediately at a qualied specialist workshop.
#
Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front.
#
If the instrument display shows a display message, observe it.
#
Consult a qualied specialist workshop.
448
Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and M Solutions
$
Brakes warning lamp (USA
only)
J
Brakes warning lamp (Can-
ada only)
* The red brake warning lamp is lit while the vehicle is running.
Possible causes are:
R
The brake force boosting is malfunctioning and the braking characteristics may be aected.
R
There is insucient brake uid in the brake uid reservoir.
#
Note the messages on the instrument display.
&
WARNING Risk of accident and injury if brake force boosting is malfunctioning
If brake force boosting is malfunctioning, increased brake pedal force may be necessary for braking. The braking
characteristics may be impaired. The braking distance can increase in emergency braking situations.
#
Stop in a safe location immediately. Do not continue driving.
#
Consult a qualied specialist workshop.
&
WARNING Risk of an accident due to low brake uid level
If the brake uid level is too low, the braking eect and the braking characteristics may be impaired.
#
Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do not
continue driving under any circumstances.
#
Consult a qualied specialist workshop.
#
Do not add brake uid.
Display messages and warning/indicator lamps
449
Driving and driving safety systems
Warning/indicator lamp Possible causes/consequences and M Solutions
!
ABS warning lamp
* The yellow ABS warning lamp is lit while the vehicle is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving systems and driving safety systems may also be malfunctioning.
#
Note the messages on the instrument display.
&
WARNING There is a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,
other driving safety systems are switched o.
#
Drive on carefully.
#
Have the brake system checked immediately at a qualied specialist workshop.
å
ESP
®
OFF warning lamp
*
The yellow ESP
®
OFF warning lamp is lit while the vehicle is running.
ESP
®
is deactivated.
Other driving systems and driving safety systems may also be inoperative.
&
WARNING Risk of skidding when driving with ESP
®
deactivated
ESP
®
does not act to stabilize the vehicle. The availability of further driving safety systems is also limited.
450
Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Drive on carefully.
#
Deactivate ESP
®
only for as long as the situation requires.
If ESP
®
cannot be activated, ESP
®
is malfunctioning.
#
Have ESP
®
checked immediately at a qualied specialist workshop.
#
Observe the notes on deactivating ESP
®
(/ page 162).
÷
ESP
®
warning lamp
*
The yellow ESP
®
warning lamp ashes while the vehicle is in motion.
or
The yellow ESP
®
warning lamp is lit while the vehicle is running.
The yellow ESP
®
warning lamp ashes while the vehicle is in motion:
One or more wheels have reached their grip limit (/ page 162).
#
Adapt your driving style to suit the road and weather conditions.
The yellow ESP
®
warning lamp is lit while the vehicle is running.
ESP
®
is malfunctioning.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
#
Note the messages on the instrument display.
Display messages and warning/indicator lamps
451
Warning/indicator lamp Possible causes/consequences and M Solutions
&
WARNING Risk of skidding if ESP
®
is malfunctioning
If ESP
®
is malfunctioning, ESP
®
cannot carry out vehicle stabilization. In addition, other driving safety systems are
switched o.
#
Drive on carefully.
#
Have ESP
®
checked at a qualied specialist workshop.
L
Distance warning lamp
* The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
If there is an additional warning tone, you are approaching an obstacle at too high a speed.
#
Be prepared to brake immediately.
#
Increase the distance.
Function of Active Brake Assist (/ page 172).
Ó
Active Brake Assist warning
lamp
* The Active Brake Assist warning lamp is on.
Due to dirty sensors or a malfunction, the system is not available or the range of functions is restricted.
452
Display messages and warning/indicator lamps
Warning/indicator lamp Possible causes/consequences and M Solutions
ê
Active Brake Assist warning
lamp
* The Active Brake Assist warning lamp is on.
The system is switched o or the range of functions has been automatically restricted.
This may be the case if another driving system has been activated.
#
Observe the notes on Active Brake Assist (/ page 172).
Tire pressure monitor
Warning/indicator lamp Possible causes/consequences and M Solutions
h
Tire pressure monitoring
system warning lamp
*The yellow warning lamp for the tire pressure monitoring system (pressure loss/malfunction) ashes for approximately
one minute and then remains lit.
or
The yellow warning lamp for the tire pressure monitoring system (pressure loss/malfunction) is lit.
The yellow warning lamp for the tire pressure monitoring system (pressure loss/malfunction) ashes for approximately
one minute and then remains lit:
The tire pressure monitoring system is malfunctioning.
&
WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.
Tires with insucient tire pressure may impair the driving characteristics as well as steering and braking.
Display messages and warning/indicator lamps
453
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Have the tire pressure monitoring system checked at a qualied specialist workshop.
The yellow warning lamp for the tire pressure monitoring system (pressure loss/malfunction) is lit:
The tire pressure monitoring system has detected tire pressure loss in at least one of the tires.
&
WARNING Risk of an accident due to insucient tire pressure
R
The tires can burst.
R
The tires can wear excessively and/or unevenly.
R
The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle.
#
Observe the recommended tire pressures.
#
Adjust the tire pressure if necessary.
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tire pressure and the tires.
454
Display messages and warning/indicator lamps

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