2013 MERCEDES-BENZ G-Class Owner's Manual

Display messages Possible causes/consequences and
M SolutionsDifferential Locks
Available Only in
LOW RANGE The LOW RANGE button has been pressed. The transfer case is in
the LOW RANGE off-road driving position and a differential lock
is engaged.
X
Disengage the differential locks (Y page 201).
X Repeat the gearshift process. TC-NEUTRAL
On The transfer case is in the Neutral
neutral position.
A warning tone will also sound when the driver's door is opened
and the brake pedal is not depressed.
X Close the driver's door.
X Secure the vehicle against rolling away ( Y page 156).
X Shift the transfer case according to driving conditions
(Y page 198). Differential Lock
Preselected
ESP Not Available A differential lock has been engaged. The differential gear has not
yet locked the respective differential. The activation indicator
lamp (yellow)
(Y page 201) of the switch lights up.
ESP is unavailable.
ABS is still available. Differential Locks
Active
ABS and ESP Not
Available A differential lock was engaged and the differential gear has
locked the respective differential. The activation indicator lamp
(yellow) and function indicator lamp (red)

(Y page 201) on the
switch light up.
ABS and ESP are unavailable. Display messages
239
On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsBlind Spot Assist
Currently
Unavailable See
Operator's Manual
or
Active Blind Spot
Assist Currently
Unavailable See
Operator's Manual Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
R
you have established the electrical connection between the
trailer and your vehicle.
R the sensors are dirty.
R function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
X When towing a trailer, confirm the display message with a.
If you are driving without a trailer and the display message does
not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Clean the sensors ( Y page 297).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again. Blind Spot Assist
Inoperativeor
Active Blind Spot
Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
9 indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. DISTRONIC PLUS
Off DISTRONIC PLUS has been deactivated (
Y page 177).
If it was deactivated automatically, a warning tone also sounds. DISTRONIC PLUS
Now Available DISTRONIC PLUS is operational again after having been
temporarily
unavailable. You can now reactivate DISTRONIC PLUS
(Y page 177). 240
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M SolutionsDISTRONIC PLUS
Currently
Unavailable See
Operator's Manual DISTRONIC is deactivated and temporarily inoperative. Possible
causes are:
R
the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the transfer case is in the LOW RANGE transmission position.
R the vehicle is on an uphill or downhill gradient of greater than
22%-25%.
R the on-board voltage is too low.
A warning tone also sounds.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Clean the DISTRONIC PLUS cover in the radiator trim and the
bumper ( Y page 297).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
DISTRONIC is operational again. DISTRONIC PLUS
Inoperative DISTRONIC PLUS is defective.
BAS (Brake Assist) may also have failed.
A warning tone also sounds.
X
Visit a qualified specialist workshop. DISTRONIC PLUS
Passive You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS
--- mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 177). DISTRONIC PLUS and
SPEEDTRONIC
Inoperative DISTRONIC PLUS and SPEEDTRONIC are faulty. A warning tone
also sounds.
X
Visit a qualified specialist workshop. Display messages
241On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsCruise Control and
SPEEDTRONIC
Inoperative Cruise control and SPEEDTRONIC are malfunctioning.
X
Visit a qualified specialist workshop. Limit
--- mph While depressing the accelerator pedal beyond the pressure point
(kickdown), SPEEDTRONIC cannot be activated.
Cruise Control
--- mph A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below
20 mph (30 km/h), for
example.
X If conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
X Check the activation conditions for cruise control
(Y page 169). Tires
Display messages Possible causes/consequences and
M SolutionsTire pressure will
be

displayed after
driving a few
minutes The tire pressure monitor is measuring the tire pressure.
X
Drive on.
The

tire pressures appear in the multifunction display after you
have been driving for a few minutes. Tire Press.
Monitor
Inoperative The tire pressure monitor is faulty.
X
Visit a qualified specialist workshop. Tire Pressure
Monitor
Inoperative No
Wheel Sensors The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
X
Mount wheels with suitable tire pressure sensors.
The

tire pressure monitor is activated automatically after driving
for a few minutes. 242
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M SolutionsCheck Tires The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
G WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they
may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers.

Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Y page 156).
X If there is a flat tire, inspect the tires ( Y page 304).
X Check the tire pressure (Y page 325).
X If necessary, correct the tire pressure. Warning Tire
Malfunction The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
G WARNING
If you drive with a flat tire, there is a risk of the following hazards:
R A flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued

driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers.

Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Y page 156).
X If there is a flat tire, inspect the tires ( Y page 304).Correct Tire
Pressure The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 325).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 327). Display messages
243
On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsTirePress.
Sensor(s) Missing There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
X
Have the faulty tire pressure sensor replaced at a qualified
specialist workshop. Tire Press.
Monitor Currently
Unavailable Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X
Drive on.
The
tire pressure monitor restarts automatically as soon as the
problem has been solved. h
Tire Pressure
Warning Tire
Failure The tire pressure in one or more tires has dropped suddenly.
A warning tone also sounds.
G WARNING
If you drive with a flat tire, there is a risk of the following hazards:
R A flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued

driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers.

Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Y page 156).
X If there is a flat tire, inspect the tires ( Y page 304).244
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M Solutionsh
Check
Tire Pressure The tire pressure in one or more tires has dropped significantly.
G WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they

may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers.

Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Y page 156).
X If there is a flat tire, inspect the tires ( Y page 304).
X Check the tire pressure (Y page 325).
X If necessary, correct the tire pressure. h
Correct Tire
Pressure The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 325).
X If necessary, correct the tire pressure. Vehicle
Display messages Possible causes/consequences and
M SolutionsShift to 'P' or
'N'

to Start Engine You have attempted to start the engine with the transmission in
position R or D.
X
Shift the transmission to position P or N.Auxiliary Battery
Malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position P before
you switch off the engine.
X Before leaving the vehicle, apply the parking brake. Display messages
245
On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsA The rear door is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the rear door is open.
There is a risk of poisoning.
X Close the rear door. ? The hood is open.
G WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 156).
X Close the hood. C At least one door is open.
A warning tone also sounds.
X
Close all the doors. D
Power Steering
Malfunction See
Operator's Manual The power steering is malfunctioning.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely:
do not drive on. Contact the
nearest qualified specialist workshop. Phone No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. ¥
Check Washer Fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Add washer fluid ( Y page 292).246
Display messages
On-board computer and displays