2016 MERCEDES-BENZ G-Class check engine

ATo switch between cruise control and varia-
ble SPEEDTRONIC
BTo deactivate cruise control
If you fail to adapt your driving style, SPEED-
TRONIC can neither reduce the risk of accident
nor override the laws of physics. SPEEDTRONIC
cannot take account of road, weather and traffic
conditions. SPEEDTRONIC is only an aid. You
are responsible for the distance to the vehicle in
front, for vehicle speed, for braking in good time
and for staying in lane. Only engage SPEED-
TRONIC when the current road, weather and
traffic conditions permit it to be done safely.
Drive carefully and maintain a suitable distance to the vehicle in front.
XCheck whether LIM indicator lamp ;is on.
If it is on, variable SPEEDTRONIC is already
selected.
If it is not, press the cruise control lever in the
direction of arrow A.
LIM indicator lamp ;in the cruise control
lever lights up. Variable SPEEDTRONIC is
selected.
Storing the current speed
:To activate or increase speed
;LIM indicator lamp
=To activate at the current speed/last stored speed
?To activate or reduce speed
ATo switch between cruise control and varia-
ble SPEEDTRONIC
BTo deactivate cruise control
You can use the cruise control lever to limit the speed to any speed above 18 mph while the
engine is running.
XBriefly press the cruise control lever up :or
down ?.
The current speed is stored and shown in the
multifunction display.
Calling up the last speed stored
:To activate or increase speed
;LIM indicator lamp
=To activate at the current speed/last stored speed
?To activate or reduce speed
ATo switch between cruise control and varia-
ble SPEEDTRONIC
BTo deactivate cruise control
If you fail to adapt your driving style, SPEED-
TRONIC can neither reduce the risk of accident
nor override the laws of physics. SPEEDTRONIC
cannot take account of road, weather and traffic
conditions. SPEEDTRONIC is only an aid. You
are responsible for the distance to the vehicle in
front, for vehicle speed, for braking in good time
and for staying in your lane. Only activate
SPEEDTRONIC when the prevailing road,
weather and traffic conditions permit. Drive
carefully and maintain a suitable distance to the
vehicle in front.
XBriefly pull the cruise control lever towards
you =.
iIf you call up the stored speed and your cur-
rent speed is higher, you will hear a warning
tone. You will see the Limit Exceeded
mes-
sage in the multifunction display.
iIf no speed is stored, variable SPEED-
TRONIC stores the current speed and main-
tains it.
146Driving systems
Driving and parking

:Indicator lamp
;LOW RANGE button
Switching on the off-road gear ratio
!Only carry out the gear selection if:
Rthe engine is running.
Rthe vehicle is rolling.
Rthe automatic transmission is in selector
lever positionN.
Ryou are driving no faster than 25 mph
(40 km/h).
You could otherwise damage the transfer
case.
XMake sure the ECO start/stop function is
switched off (Ypage 114).
XPress LOW RANGE button ;.
When the shift procedure is complete, the
LOW RANGE
transfer case position appears in
the multifunction display.
Indicator lamp :lights up.
XShift the transmission to position D.
Switching off the off-road gear ratio
GWARNING
When the transfer case is in the neutral posi-
tion, power transmission to the driven wheels
is interrupted. As a result, the vehicle could
roll away. There is a risk of an accident.
Secure the vehicle with the parking brake, and
on uphill or downhill gradients, also secure it
with a device such as a wheel chock.
!Only carry out the gear selection if:
Rthe engine is running.
Rthe vehicle is rolling.
Rthe automatic transmission is in selector
lever position N.
Ryou are driving no faster than 43 mph
(70 km/h).
You could otherwise damage the transfer
case.
XPress button ;.
When the shift procedure is complete, the
HIGH
RANGEtransfer case position appears in
the multifunction display.
Indicator lamp :goes out.
If the gear change is not completed, the follow-
ing messages could appear in the display:
RTC Shift Conditions Not Fulfilled
You have not met one or more shift condi-
tions.
RTC NEUTRAL On
The transfer case has canceled the gear
change process and is in N. Transfer case
position N
appears in the multifunction dis-
play.
RTC Shift Canceled
The transfer case has canceled the gear
change process.
XCarry out the gear change process again.
Make sure to meet all conditions for changing gears.
RTC Malfunction Visit Workshop
There is a malfunction in the transfer case.
XDo not shift the transfer case.
XHave the vehicle checked as soon as possible
at a qualified specialist workshop.
Shifting to neutral
GWARNING
When the transfer case is in the neutral posi-
tion, power transmission to the driven wheels
Off-road driving systems163
Driving and parking
Z

The maximum noseweight of the trailer drawbar
on the ball coupling for up to 3 people is 562 lbs
(255 kg). The maximum permissible trailer draw-bar noseweight for more than 3 persons and the
maximum load in the trunk can be found in the
trailer drawbar noseweight table (
Ypage 298).
However, the actual noseweight must not
exceed the value given on the trailer tow hitch or trailer identification plates. The lowest weight
applies.
Please note that when towing a trailer,
PARKTRONIC (
Ypage 158) and Blind Spot
Assist (Ypage 154) are only available with lim-
itations, or not at all.
iOn vehicles without level control, the height
of the ball coupling will alter according to the
load placed on the vehicle. If necessary, use a
trailer with a height-adjustable drawbar.
Driving tips
XOn long and steep downhill gradients, select
shift range 1,2or 3(Ypage 123) in good
time.
iThis also applies if you have activated cruise
control or SPEEDTRONIC.
XIf necessary, shift the transfer case to LOW
RANGE (Ypage 162).
This will use the braking effect of the engine,
so that less braking will be required to main-
tain the speed. This relieves the load on the
brake system and prevents the brakes from
overheating and wearing too quickly. If you
need additional braking, depress the brake
pedal repeatedly rather than continuously.
The maximum permissible speed for vehicle/
trailer combinations depends on the type of
trailer. Before beginning the journey, check the
trailer's documents to see what the maximum
permissible speed is. Observe the legally pre-
scribed maximum speed in the relevant country.
For certain Mercedes-Benz vehicles, the maxi-
mum permissible rear axle load is increased
when towing a trailer. Refer to the "Technical
data" section to find out whether this applies to
your vehicle. If you utilize any of the added max- imum rear axle load when towing a trailer, the
vehicle/trailer combination may not exceed a
maximum speed of 60 mph (100 km/h) for rea-
sons concerning the operating permit. This also applies in countries in which the permissible
maximum speed for vehicle/trailer combina-
tions is above 60 mph (100 km/h). When towing a trailer, your vehicle's handling
characteristics will be different in comparison to
when driving without a trailer and it will con-
sume more fuel.
On long and steep downhill gradients, you must
select shift range
1,2or 3in good time.
iThis also applies if you have activated cruise
control or DISTRONIC PLUS.
This will use the braking effect of the engine, so
that less braking will be required to maintain the
speed. This relieves the load on the brake sys-
tem and prevents the brakes from overheating
and wearing too quickly. If you need additional
braking, depre ss the bra
ke pedal repeatedly
rather than continuously.
Driving tips
If the trailer swings from side to side:
XDo not accelerate.
XDo not counter-steer.
XBrake if necessary.
RMaintain a greater distance from the vehicle
in front than when driving without a trailer.
RAvoid braking abruptly. If possible, brake gen- tly at first to allow the trailer to run on. Then,
increase the braking force rapidly.
RThe values given for gradient-climbing capa-
bilities from a standstill refer to sea level.
When driving in mountainous areas, note that
the power output of the engine and, conse-
quently, the vehicle's gradient-climbing capa-
bility, decreases with increasing altitude.
Trailer power supply
!
You can connect accessories with a maxi-
mum power consumption of 180 W to the
permanent power supply.
You must not charge a trailer battery using the
power supply.
The trailer socket of your vehicle is equipped at
the factory with a permanent power supply.
The permanent power supply is supplied via
trailer socket pin 9.
A qualified specialist workshop can provide
more information about installing the trailer
electrics.
168Towing a trailer
Driving and parking

or
XTo exit the telephone book:press the~
or % button.
Redialing
The on-board computer saves the last names or
numbers dialed in the redial memory.
XPress the =or; button on the steering
wheel to select the Telmenu.
XPress the6button to switch to the redial
memory.
XPress the 9or: button to select the
desired name or number.
XPress the 6ora button to start dialing.
or
XTo exit the redial memory: press the~
or % button.
Assistance menu
Introduction
In the DriveAssistmenu, you have the follow-
ing options:
RShowing the distance display (Ypage 178)
RActivating/deactivating Blind Spot Assist
(Ypage 178)
Showing the distance display
XPress =or; on the steering wheel to
select the DriveAssistmenu.
XPress the9or: button to select Dis‐tance Display.
XPress theabutton.
The DISTRONIC PLUS distance display
appears in the multifunction display
(
Ypage 151).
Activating/deactivating Blind Spot
Assist
XPress =or; on the steering wheel to
select the DriveAssistmenu.
XPress the9or: button to select
Blind Spot Asst.
XPress the abutton.
The current selection is displayed.
XTo activate/deactivate: press theabut-
ton again.
For further information about Blind Spot Assist,
see (
Ypage 154).
Service menu
Example: service menu
In the Servicemenu, you have the following
options:
RCalling up display messages (Ypage 184)
RChecking the tire pressure electronically
(Ypage 270)
RCalling up the service due date
(Ypage 240)
REngine oil, check oil level (Ypage 236)
Settings menu
Introduction
Example: settings menu
In the Sett.menu, you have the following
options:
178Menus and submenus
On-board computer and displays

Engine
Display messagesPossible causes/consequences andMSolutions
+
Check CoolantLevel. See Opera‐tor's Manual
The coolant level is too low.
XAdd coolant, observing the warning notes before doing so
(Ypage 238).
XHave the coolant system checked at a qualified specialist workshop
if the coolant needs topping up more often than usual.
?The fan motor is faulty.
XAt coolant temperatures below 248 ‡(120 †), drive to the nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic.
?
Coolant Too HotStopVehicleSwitchEngine Off
The coolant is too hot.
A warning tone also sounds.
GWARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to catch
fire.
Steam from the overheated engine can also cause serious burns which
can occur just by opening the hood.
There is a risk of injury.
XPull over and stop the vehicle safely and switch off the engine, pay- ing attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 130).
XLeave the vehicle and keep a safe distance from the vehicle until the
engine has cooled down.
XMake sure that the air supply to the engine radiator is not blocked,
e.g. by snow, slush or ice.
XDo not start the engine again until the display message goes out and
the coolant temperature is below 248 ‡ (120 †). Otherwise, the
engine could be damaged.
XPay attention to the coolant temperature display.
XIf the temperature increases again, visit a qualified specialist work-
shop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †).
192Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
The poly-V-belt may havetorn .
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XChec kth epoly-V-belt .
If th epoly-V-belt is torn:
!Do no tcontinu edriving. The engin ecould otherwise overheat.
XConsult aqualified specialist workshop .
If th epoly-V-belt is not damaged :
XWait until thedisplay message disappear sbefore restarting th e
engine. Otherwise ,th eengin ecould be damaged.
XPay attention to th ecoolan ttemperature display.
XVisit aqualified specialist workshop .
#The battery is notbein gcharged.
A warning tone also sounds.
Possibl ecauses are:
Radefective alternato r
Ratorn poly-V-belt
Ramalfunction in th eelectronics
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XOpe nth ehood.
XChec kwhether th epoly-V-belt is torn .
If th epoly-V-belt is torn:
!Do no tcontinu edriving. The engin ecould otherwise overheat.
XConsult aqualified specialist workshop .
If th epoly-V-belt is not damaged :
XVisitaqualified specialist workshop .
4
CheckEngineOilAtNextRefueling
The engin eoil level has dropped to th eminimum level.
A warning tone also sounds.
XChec kth eoil level when next refueling, at th elatest (Ypage 236).
XIf necessary, add engin eoil (Ypage 237).
XHav eth eengin echecke dat aqualified specialist workshop if engin e
oil needs to be added mor eoften than usual.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill oth-
erwise be damaged.
Information on approve dengin eoils can be obtained from any quali-
fie dspecialist workshop or on th eInternet at http:/ /
www.mbusa.com (US Aonly).
Display messages19 3
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
4
Engine Oil LevelLow StopVehicl eSwitch Engine Off
The engin eoil level is to olow. There is aris kof engin edamage.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XAd dengin eoil (Ypage 237) and chec kth eoil level (Ypage 236).
4
Check Engine OilLevel (Ad d 1quart)
AMGvehicles: th eengin eoil level is to olow.
XChec kth eoil level when next refueling, at th elatest (Ypage 236).
XIf necessary, add engin eoil (Ypage 237).
XHav eth eengin echecke dat aqualified specialist workshop if engin e
oil needs to be added mor eoften than usual.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill oth-
erwise be damaged.
Information on approve dengin eoils can be obtained from any quali-
fie dspecialist workshop or on th eInternet at http:/ /
www.mbusa.com (US Aonly).
4
Engine Oil LevelCannot Be Measured
The measurin gsystem is malfunctioning .
XVisitaqualified specialist workshop .
8
FuelLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
CThere is only aver ysmall amount of fuel in th efuel tank.
XRefue lat th eneares tgas station without fail .
8
Gas Cap Loose
The fuel system pressur eis to olow. The fuel filler cap is no tclosed
correctl yor th efuel system is leaking .
XCheckthat th efuel filler cap is correctl yclosed .
If th efuel filler cap is not correctl yclosed :
XCloseth efuel filler cap .
If th efuel filler cap is correctl yclosed :
XVisitaqualified specialist workshop .
194Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
DISTRONIC PLUS
Off
DISTRONICPLU Shas been deactivated (Ypage 147).
If it was deactivated automatically, awarning tone also sounds.
DISTRONIC PLU S
Now Available
DISTRONICPLU Sis operational again after having been temporarily
unavailable .You can no wreactivat eDISTRONI CPLU S (Ypage 147).
DISTRONIC PLU S
Currently Unavaila‐ble.SeeOperator' sManual
DISTRONICis deactivated and temporarily inoperative. Possibl ecau-
ses are:
Rth eDISTRONI CPLU Scover in th eradiato rtrim is dirty
Rfunction is impaire ddue to heav yrain or snow.
Rth esensor sin th ebumpers are dirty.
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
Rthesystem is outside th eoperating temperature range.
Rth etransfer cas eis in th eLOW RANGE transmission position .
Rthevehicl eis on an uphil lor adownhill slop eof mor ethan
22‑25 %
Rtheon-boar dvoltag eis to olow.
A warning tone also sounds.
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XApply th eparking brake.
XClean th eDISTRONI CPLU Scover in th eradiato rtrim and th e
bumper (Ypage 244).
XRestart th eengine.
If th esystem detects that th esensor sare fully operational, th edisplay
message disappears.
DISTRONI CPLU Sis operational again .
DISTRONIC PLUS
Inoperative
DISTRONICPLU Sis defective.
BA S(Brake Assist) may also hav efailed.
A warning tone also sounds.
XVisit aqualified specialist workshop .
DISTRONIC PLUS
Passive
You hav edepressed th eaccelerato rpedal .DISTRONI CPLU Sis no
longer controllin gth espeed of th evehicle.
XRemove your foo tfrom th eaccelerato rpedal .
DISTRONIC PLU S
- - -mph
An activation condition for DISTRONI CPLU Sis no tfulfilled .
XCheckth eactivation condition sfor DISTRONI CPLU S (Ypage 147).
DISTRONIC PLU SandSPEEDTRONIC
Inoperative
DISTRONI CPLU Sand SPEEDTRONI Care faulty. Awarning tone also
sounds.
XVisit aqualified specialist workshop .
Display messages197
On-board computer and displays
Z