2015 MERCEDES-BENZ G-Class trailer

Display messages
Possible causes/consequences and
M
MSolutions ÷
Inoperative. See Inoperative. See
Operator's Manual Operator's Manual ESP
®
, BAS, the HOLD function, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop. T!
÷
Inoperative. See Inoperative. See
Operator's Manual Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, the
HOLD function, hill start assist and ESP ®
trailer stabilization are
unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷,åand! warning lamps light up in the
instrument cluster and a warning tone sounds.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking 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.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. F(USA
only)!
(Canada
only)
Release Release Park.
Park.Brake
Brake You are driving with the parking brake applied. A warning tone also
sounds.
X Release the parking brake. Display
messages
215On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions Front Passenger
Front Passenger
Airbag Disabled. Airbag Disabled.
See See
Operator's
Operator's Man‐
Man‐
ual
ual A special BabySmart™-compatible child restraint system is moun-
ted on the front-passenger seat.
The 45indicator lamp also lights up.
The front-passenger air bag is therefore disabled.
Further information on BabySmart™ (Y page 56).Front Passenger Front Passenger
Airbag Enabled. Airbag Enabled.
See See
Operator's
Operator's Man‐
Man‐
ual
ual The
45indicator lamp does not remain lit if a special
BabySmart™-compatible child restraint system has been installed
on the front-passenger seat.
The BabySmart™ system is malfunctioning.
G WARNING
The front-passenger front air bag can be triggered unintentionally in the event of an accident.
There is a risk of an accident.
X Make sure there is nothing between the seat and the child
restraint system.
X Check that the child restraint system is installed correctly.
X If the 45indicator lamp does not light up, have the
BabySmart™ system checked as soon as possible at a qualified
specialist workshop.
Do not transport a child on the front-passenger seat until the air
bag deactivation system has been repaired. Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages
Possible causes/consequences and
M MSolutions b
Check Left Low Check Left Low
Beam Beam
orCheck
Check
Right Low Beam
Right Low Beam The left or right-hand low-beam headlamp is defective.
X Visit a qualified specialist workshop. b
Check Check
Trailer
Trailer Left
Left
Tail Lamp
Tail Lamp orCheck
Check
Trailer
Trailer Right
RightTail
Tail
Lamp
Lamp The left or right-hand trailer tail lamp is faulty.
X Check whether you are permitted to change the bulb yourself.
or X Visit a qualified specialist workshop. 218
Display messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions b
Check Check
Trailer
Trailer Left
Left
Turn Signal
Turn Signal or
Check Trailer
Check Trailer
Right Turn Signal Right Turn Signal The left or right-hand trailer turn signal lamp is defective.
X Check whether you are permitted to change the bulb yourself.
or X Visit a qualified specialist workshop. b
Check Trailer Check Trailer
Brake Lamp Brake Lamp The trailer brake lamp is defective.
X Check whether you are permitted to change the bulb yourself.
or X Visit a qualified specialist workshop. b
Check Rear Left Check Rear Left
Turn Signal Turn Signal
or
Check Rear Right
Check Rear Right
Turn Signal Turn Signal The rear left-hand or rear right-hand turn signal is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. b
Check Front Left Check Front Left
Turn Signal Turn Signal
or
Check Front Right
Check Front Right
Turn Signal Turn Signal The front left-hand or front right-hand turn signal is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. b
Check Left Mirror Check Left Mirror
Turn Signal Turn Signal
or
Check
Check Right
RightMirror
Mirror
Turn Signal
Turn Signal The turn signal in the left-hand or right-hand exterior mirror is
defective.
X Visit a qualified specialist workshop. b
Check Check
Center
Center Brake
Brake
Lamp
Lamp The high-mounted brake lamp is faulty.
X
Visit a qualified specialist workshop. b
Check Left Brake Check Left Brake
Lamp Lamp
orCheck
Check
Right Brake Lamp
Right Brake Lamp The left or right-hand brake lamp is defective.
X Replace the bulb (Y page 108). b
Check Left High Check Left High
Beam Beam
orCheck
Check
Right High Beam
Right High Beam The left or right-hand high beam is defective.
X Visit a qualified specialist workshop. Display
messages
219On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions Blind Spot Assist
Blind Spot Assist
currently unavail‐ currently unavail‐
able able
See See
Operator's
Operator's Man‐
Man‐
ual
ual 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 sta-
tions or other sources of electromagnetic radiation.
The yellow 9indicator lamps also light up in the exterior mir-
rors.
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 284).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
Blind Spot Assist is operational again. Blind Spot Assist Blind Spot Assist
or
Inoperative Inoperative Blind Spot Assist is defective.
The yellow
9indicator lamps also light up in the exterior mir-
rors.
X Visit a qualified specialist workshop. DISTRONIC PLUS DISTRONIC PLUS
Off Off DISTRONIC PLUS has been deactivated (Y
page 169).
If it was deactivated automatically, a warning tone also sounds. DISTRONIC PLUS
DISTRONIC PLUS
Now Available Now Available DISTRONIC PLUS is operational again after having been tempo-
rarily unavailable. You can now reactivate DISTRONIC PLUS
(Y
page 169). Display
messages
227On-board computer and displays Z

Problem
Possible causes/consequences and
M
MSolutions !
The yellow ABS warning
lamp is lit while the
engine is running. ABS (Anti-lock Braking System) is deactivated due to a malfunc-
tion. BAS (Brake Assist), ESP ®
(Electronic Stability Program), the
HOLD function, hill start assist, the adaptive brake lights and
ESP ®
trailer stabilization, for example, are therefore also deacti-
vated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking 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.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic trans-
mission, will not be available. Warning and indicator lamps in the instrument cluster
237On-board computer and displays Z

Problem
Possible causes/consequences and
M
MSolutions !
The yellow ABS warning
lamp is lit while the
engine is running. ABS is temporarily unavailable. BAS, ESP
®
, EBD (electronic brake
force distribution), the HOLD function, hill start assist, ESP ®
trailer
stabilization and the adaptive brake lights, for example, are there-
fore also deactivated.
Possible causes are:
R self-diagnosis is not yet complete.
R the on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking 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.
X Carefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on: X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. 238
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Problem
Possible causes/consequences and
M
MSolutions !
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is malfunctioning. Therefore, ABS, BAS, ESP
®
, the HOLD
function, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilization are also not available, for example.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking 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.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. !
The yellow ABS warning
lamp is lit while the
engine is running. You have engaged the differential locks. ABS is deactivated.
X Disengage the differential locks.
Subsequently ABS is reactivated. $
(USA only)
J (Canada only)
֌!
The yellow brake warn-
ing lamp, the yellow
ESP ®
and ESP ®
OFF
warning lamps and the
yellow ABS warning
lamp are lit while the
engine is running. ABS and ESP
®
are malfunctioning. Therefore, BAS, EBD, the HOLD
function, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilization, for example, are also not available.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking 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.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
239On-board computer and displays Z

Problem
Possible causes/consequences and
M
MSolutions ÷
The yellow ESP
®
warn-
ing lamp flashes while
the vehicle is in motion. ESP
®
or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
X When pulling away, only depress the accelerator pedal as far as
necessary.
X Ease off the accelerator pedal while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
For exceptions, see: (Y page 63).å
The yellow ESP
®
OFF
warning lamp is lit while the engine is running. ESP
®
is deactivated.
G WARNING
If ESP ®
is switched off, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Reactivate ESP ®
.
For exceptions, see: (Y page 63).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Have ESP ®
checked at a qualified specialist workshop. ֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
, BAS, the HOLD function, hill start assist, the adaptive brake
lights and ESP ®
trailer stabilization are not available due to a mal-
function.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. 240
Warning and indicator lamps in the instrument clusterOn-board computer and displays