2015 MERCEDES-BENZ G-Class engine

The ECO start/stop function is activated each
time the engine is switched on.
The ECO start/stop function is only available in drive program C.
The system is operational if all conditions for
automatic engine switch-off have been fulfil-
led (Y page 136) and the ¤symbol is
shown in green in the multifunction display.
In addition, the Stop/Start active Stop/Start active mes-
sage is shown in the AMG menu in the multi-
function display.
If not all conditions for automatic engine
switch-off are fulfilled, (Y page 136), the
¤ symbol is shown in yellow in the multi-
function display.
In addition, the Stop/Start inactive
Stop/Start inactive mes-
sage is shown in the AMG menu in the multi- function display.
If the ECO start/stop function has been man-ually deactivated (Y page 136) or a malfunc-
tion has caused the system to be deactivated, the ¤ symbol is not displayed.
The Stop/Start active
Stop/Start active orStop/Start Stop/Start
inactive
inactive message in the AMG menu in the
multifunction display goes out.
Deactivating/activating the ECO start/
stop function ECO button X
To deactivate: in drive program C, press
button :.
or X Switch to drive program Sor M
(Y page 143).
Indicator lamp ;on button :and the
¤ symbol in the multifunction display go
out.
The Stop/Start active Stop/Start active orStop/Start Stop/Start
inactive
inactive message in the AMG menu in the
multifunction display goes out.
X To activate: press button :.
Indicator lamp ;lights up. If drive pro-
gram Sor Mis active, the automatic trans-
mission switches to drive program C.
If all conditions for automatic engine
switch-off (Y page 136) are fulfilled, the
¤ symbol is shown in green in the mul-
tifunction display. In addition, the Stop/ Stop/
Start active
Start active message is shown in the
AMG menu in the multifunction display.
If conditions for automatic engine switch-
off (Y page 136) have not been fulfilled, the
¤ symbol will be shown in yellow. If this
is the case, the ECO start/stop function is
not available. In addition, the Stop/Start Stop/Start
inactive
inactive display message is shown in the
AMG menu in the multifunction display.
i If indicator lamp
;is off, the ECO start/
stop function has been deactivated man-
ually or as the result of a malfunction. The
engine will then not be switched off auto-
matically when the vehicle stops.
Automatic engine switch-off If the vehicle is braked to a standstill in
Dor N,
the ECO start/stop function switches off the engine automatically.
The ECO start/stop function is operational
and the ¤symbol is displayed in green in
the multifunction display, if:
R the indicator lamp in the ECO button is lit
green.
R no off-road program has been selected. 136
DrivingDriving and parking

R
the vehicle is stationary.
R the outside temperature is within the com-
fort range.
R the engine is at normal operating temper-
ature.
R the set temperature for the vehicle interior
has been reached.
R the battery is sufficiently charged.
R the system detects that the windshield is
not fogged up when the air-conditioning
system is switched on.
R the hood is closed.
R the driver's door is closed and the driver's
seat belt is fastened.
If conditions for automatic engine switch-off
have not been fulfilled, the ¤symbol will
be shown in yellow.
In addition, the Stop/Start inactive Stop/Start inactive mes-
sage is shown in the AMG menu in the multi- function display.
i If you shift the transmission from
Rto D,
the ECO start/stop function is available
again once the ¤symbol reappears in
green in the multifunction display.
i The engine can be automatically switched
off an unlimited number of times.
i You can still activate the HOLD function
when the vehicle is stationary, even if the
engine has been switched off automati-
cally. It is then not necessary to continue
applying the brakes during the automatic
stop phase. When you depress the accel-
erator pedal, the engine starts automati-
cally and the braking effect of the HOLD
function is deactivated. Depress the accel-
erator pedal carefully, as the engine must
be started first.
i During automatic engine switch-off, the
climate control system only operates at a
reduced capacity. If you require full climate
control capacity, the ECO start/stop func-
tion can be deactivated by pressing the
ECO button (Y page 136). Automatic engine start The engine starts automatically if:
R In general:
- you switch off the ECO start/stop func-
tion by pressing the ECO button.
- you release the brakes when in transmis-
sion position Dor Nand when the HOLD
function is not active.
R By the driver:
- you release the brakes when in transmis-
sion position Dor N.
- you depress the accelerator pedal.
- you engage reverse gear R.
- you move the transmission out of posi-
tion P.
- you switch to drive program Sor M.
- you unfasten your seat belt or open the
driver's door.
R By the system:
- the vehicle starts to roll.
- the brake system requires this.
- the temperature in the vehicle interior
deviates from the set range.
- the system detects moisture on the
windshield when the air-conditioning
system is switched on.
- the battery's condition of charge is too
low.
i Shifting the transmission to position
P
does not start the engine. Driving
137Driving an d parking Z

Problems with the engine
Problem
Possible causes/consequences and
M
MSolutions The engine does not
start. The starter motor
can be heard. R
There is a malfunction in the engine electronics.
R There is a malfunction in the fuel supply.
X Turn the SmartKey back to position 0in the ignition lock before
attempting to start the engine again.
X Try to start the engine again (Y page 134). Avoid excessively
long and frequent attempts to start the engine, as this
(Y page 133) will drain the battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop. The engine does not
start. The starter motor
can be heard. The yel-
low reserve fuel warn-
ing lamp is lit and the
needle of the fuel gauge
display shows 0. The fuel tank is empty.
X Refuel the vehicle. The engine does not
start. You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak or
discharged.
X Jump-start the vehicle (Y page 296).
If the engine does not start despite attempts to jump-start it:
X Consult a qualified specialist workshop. The starter motor was exposed to a thermal load that was too high.
X Allow the starter motor to cool down for approximately two
minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult a qualified specialist workshop. The engine is not run-
ning smoothly and is
misfiring. There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
X Only depress the accelerator pedal slightly.
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it.
X Have the cause rectified immediately at a qualified specialist
workshop. 138
DrivingDriving and parking

Problem
Possible causes/consequences and
M
MSolutions The coolant tempera-
ture gauge shows a
value above 248 ‡
(120 †). A display mes-
sage may also appear in the multifunction dis-
play and a warning tone may sound. The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 278). Observe the warning
notes as you do so and add coolant if necessary. If the coolant level is correct, the radiator fan may be faulty. The
coolant is too hot and the engine is no longer being cooled suffi-
ciently.
X At coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-and-go traffic. Automatic transmission
Important safety notes
G
WARNING
If the engine speed is above the idling speed
and you engage transmission position Dor R,
the vehicle could pull away suddenly. There is a risk of an accident.
When engaging transmission position Dor R,
always firmly depress the brake pedal and do not simultaneously accelerate. G
WARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away. There is a risk of an
accident.
After switching off the engine, always switch
to parking position P. Prevent the parked vehi-
cle from rolling away by applying the parking
brake.
i Bear in mind that the power transmission
between the engine and the transmission is
interrupted when the engine is switched
off. For this reason, shift the automatic
transmission to Pwhen the engine is
switched off and the vehicle is at a stand- still. Apply the parking brake to prevent the
vehicle from rolling away. Selector lever
Overview of transmission positions !
If the engine speed is too high or if the
vehicle is rolling, do not shift the transmis- sion directly from Dto R, from Rto Dor
directly to P.
Do not open the driver's door while the
vehicle is in motion. At low speeds in trans-
mission position Dor R, park position Pis
otherwise engaged automatically.
The transmission could be damaged. Automatic transmission
139Driving and parking Z

Selector lever
j
Park position
k Reverse gear
i Neutral
h Drive
When you select a transmission position, the
selector lever subsequently returns to its
original position.
The current transmission position P,R, Nor D
appears in the transmission position display
in the multifunction display.
Transmission position and drive pro-
gram display !
If the transmission position display in the
multifunction display is not working, you
should pull away carefully to check whether the desired transmission position is
engaged. Select transmission position D.
Do not restrict the shift range. :
Transmission position
; Drive program
Current transmission position :and current
drive program ;appear in the multifunction
display. The current position of the selector lever is
shown by the indicators next to the selector
lever.
The indicators light up when the SmartKey is
inserted into the ignition lock. The indicators go out when the SmartKey is removed from
the ignition lock.
When the selector lever is in position D, you
can influence the gearshifts made by the
automatic transmission by:
R restricting the shift range
R changing gear yourself
Engaging park position P X
When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Press the Pbutton in the center console.
i If you depress the brake pedal and push
the selector lever forwards or back to the
first point of resistance, park position Pis
disengaged. The transmission shifts to neu- tral N.
Park position Pis automatically engaged:
R if you remove the SmartKey from the igni-
tion lock
R if you open the driver's door while traveling
at low speed in transmission position Dor
R
R if DISTRONIC PLUS (Y page 169) brakes
your vehicle until it is stationary and at least one of the following conditions is fulfilled:
- the engine is switched off.
- the driver's door is open and the seat belt
is not fastened.
- there is a system malfunction.
- the power supply is insufficient.
Engaging reverse gear R !
Only shift the automatic transmission to
R
when the vehicle is stationary. 140
Automatic transmissionDriving and parking

X
When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Push the selector lever forwards past the
first point of resistance.
Transmission position Ris engaged.
i For AMG vehicles:
when reverse gear is
engaged and the ECO start/stop function
is switched on, the engine starts up auto-
matically (Y page 135).
Shifting to neutral N G
WARNING
If children are left unsupervised in the vehicle, they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
If the vehicle is stationary: X Depress the brake pedal.
X Depending on the current transmission
position, press the selector lever forwards
or backwards to the first point of resist-
ance.
The automatic transmission shifts to N.
If the engine has been switched off, the auto-
matic transmission automatically shifts to N.
i For AMG vehicles:
the ECO start/stop
function switches the engine off automati- cally if the vehicle is braked to a standstill
when in neutral Nand the brake is still
depressed (Y page 135).
Remaining in neutral N G
WARNING
If children are left unsupervised in the vehicle, they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
X Make sure that the ignition is switched on.
X When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Shift to neutral N.
X Release the brake pedal.
X If the parking brake is applied, release it.
X Switch off the ignition and leave the Smart-
Key in the ignition lock.
Shifting to transmission position D X
When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Push the selector lever back past the first
point of resistance.
Transmission position Dis engaged.
i For AMG vehicles:
the ECO start/stop
function switches the engine off automati- Automatic transmission
141Driving and parking Z

cally if the vehicle is braked to a standstill
when in transmission position
Dand the
brake is still depressed (Y page 135).Transmission positions
B Park position
Do not shift the transmission into
position P(Y page 139) unless the
vehicle is stationary. The parking
lock should not be used as a brake when parking. In addition to engag-
ing the parking lock, you must
always apply the parking brake to
secure the vehicle.
i The SmartKey can only be
removed if the transmission is in
position P. When there is no
SmartKey in the ignition lock, the
selector lever is locked in posi-
tion P. C Reverse gear
Only shift the transmission to R
when the vehicle is stationary. A Neutral
No power is transmitted from the
engine to the drive wheels.
Releasing the brakes will allow you
to move the vehicle freely, e.g. to
push it or tow it.
Do not shift the transmission to N
while driving. Otherwise, the auto-
matic transmission could be dam-
aged.
If ESP ®
is deactivated or faulty:
only shift the transmission to posi-
tion Nif the vehicle is in danger of
skidding, e.g. on icy roads.
If you want to engage the transfer
case, shift briefly into N
(Y page 186).
! Rolling in neutral
Ncan damage
the drive train. 7 Drive
The automatic transmission
changes gear automatically. All
forward gears are available.
Changing gear
The automatic transmission shifts to the indi- vidual gears automatically when it is in trans-
mission position D. This automatic gearshift-
ing behavior is determined by:
R a shift range restriction, if selected
R the position of the transfer case ( HIGH
RANGE orLOW RANGE )
R the position of the accelerator pedal
R the road speed 142
Automatic transmissionDriving and parking

Driving tips
Accelerator pedal position Your style of driving influences how the auto-
matic transmission shifts gear:
R little throttle: early upshifts
R more throttle: late upshifts
Kickdown Use kickdown for maximum acceleration.
X Depress the accelerator pedal beyond the
pressure point.
The automatic transmission shifts to a
lower gear depending on the engine speed.
X Ease off the accelerator pedal once the
desired speed is reached.
The automatic transmission shifts back up.
Kickdown is not available in the permanent
manual drive program on AMG vehicles.
Rocking the vehicle free Shifting the transmission repeatedly between
gears Dand Rmay help to free the vehicle if it
has become stuck in slush or snow. The vehi-
cle's engine management system limits the
speed to a maximum of 5 mph (9 km/h) when shifting back and forth. To shift back and forth
between transmission positions Dand R,
move the selector lever forwards and back-
wards past the point of resistance.
Towing a trailer X
Drive in the middle of the engine speed
range on uphill gradients.
X Vehicles except AMG vehicles: shift
down to shift range 3or 2depending on the
uphill or downhill gradient (Y page 145),
even if cruise control or SPEEDTRONIC is
activated.
AMG vehicles: shift down to gear 3or 2
depending on the uphill or downhill gradi-
ent (Y page 145), even if cruise control, DISTRONIC PLUS or SPEEDTRONIC is acti-
vated.
X Shift the transfer case into low-range driv-
ing position LOW RANGE on extreme uphill
gradients or steep downhill gradients
(Y page 186). Program selector button
General notes The program selector button allows you to
choose between drive programs with differ-
ent driving characteristics.
i In AMG vehicles, drive program
Eis called
drive program C.
i The automatic transmission switches to
automatic drive program E(drive program
C in AMG vehicles) each time the engine is
started.
i Only change from automatic drive pro-
gram Cor Sto manual drive program M
when the vehicle is stationary.
Drive program except for AMG vehicles E
Economy Comfortable, economical
driving
S
Sport Sporty driving style
Drive programs on AMG vehicles
C
Controlled
Efficiency Comfortable, economical
driving
S
Sport Sporty driving style
M
Manual Manual gear shifting
i
For further information on the automatic
drive program, see (Y page 144). Automatic transmission
143Driving and parking Z