display MERCEDES-BENZ M-Class 2014 W166 Service Manual

Setting the air distribution
Air distribution settings Front control panel
001C
Directs the airflow through the center
vents
001B Directs air through the footwell air
vents
001D Directs the airflow through the center
and footwell vents
0008 Directs air through the defroster vents
0015 Directs the airflow through the
defroster and center vents (Canada
only)
0014 Directs air through the defroster and
footwell vents
0017 Directs the airflow through the
defroster, center and footwell air vents
(Canada only)
Rear control panel
001A Directs the airflow through the rear
center and rear side air vents
001B Directs air through the footwell air
vents
i Using the rear control panel, you can also
activate both air distribution positions
simultaneously .Inorder to do this, press
both air distributio nbuttons. The air is then
routed through all rear air vents.
i Regardless of the air distribution setting,
airflow is always directed through the side
air vents .The side air vents can only be
closed when the controls on the side air
vents are turned downwards. Adjusting X
Turn the SmartKey to position 2in the
ignition lock (Y page 157).
X Press the 0017button repeatedly until the
desired symbol appears in the display. Setting the airflow
X
Turn the SmartKey to position 2in the
ignition lock (Y page 157).
X To increase: press the0019button.
X To reduce: press the0018button.
i You can use 3-zone automatic climate
control to set the airflow in the rear
compartments eparately.148
Operating the climate control systemsClimate control

MAX COOL is only operational when the
engine is running.
X
To activate: press the0001button.
The indicator lamp in the button lights up.
X To activate: press off-road button 0001
again.
The indicator lamp goes out. The previously
selected settings are restored.
When you activate MAX COOL, climate
control switches to the following functions:
R maximum cooling
R maximum airflow
R air-recirculation mode on Defrosting the windows
Windows fogged up on the inside X
Activate the 0007/0005cooling with air
dehumidification function.
X Activate automatic mode 0006.
X If the windows continue to fog up, activate
the "windshield defrosting" function
(Y page 149).
i You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside X
Press the 0017button repeatedly until the
001C or001B symbol appears in the
display.
i You should only select this setting until
the windshield is clear again. Rear window defroster
Activating/deactivating The rear window defroster has a high current
draw. You should therefore switch it off as
soon as the rear window is clear. Otherwise,
the rear window defroster switches off
automatically after several minutes.
If the battery voltage is too low, the rear
window defroster may switch off.
X
Turn the SmartKey to position 2in the
ignition lock (Y page 157).
X Press the 000Dbutton.
The indicator lamp in the 000Dbutton lights
up or goes out. 150
Operating the climate control systemsClimate control

i
The power supply is switched off again if:
R the driver's door is opened and
R you press Start/Stop button 0002twice
when in this position.
Switching on the ignition
X Press Start/Stop button 0002twice.
The ignition is switched on.
i The power supply is switched off again if:
R the driver's door is opened and
R you press Start/Stop button 0002once
when in this position. Start/Stop button
0023
USA only
0022 Canada only Starting the engine
Important safety notes 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 shift the automatic transmission out of
parking position P.
R starting 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. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation.
i Vehicles with agasoline engine: the
catalytic converter is preheated for up to
30 seconds after a cold start. The sound of
the engine may change during this time.
Automatic transmission X
Shift the transmission to position
P(Y page 165).
The transmission position displa yinthe
multifunction display shows
P(Y page 165).
i You can also start the engine when the
transmission is in position N.
Starting procedure with the SmartKey X
To startag asoline engine: turn the
SmartKey to position 3in the ignition lock Driving
159Driving and parking Z

To ensure that you do not roll backwards
when pulling away on an uphill slope, engage
the electric parking brake.
X Press and hold handle 0002.
The electric parking brake continues to
brake and prevent the vehicle from rolling
backwards.
The red 0007(USA only) or 000C(Canada
only) indicator lamp in the instrument
cluster remains on.
X Depress the accelerator pedal.
X As soon as the vehicle/trailer combination
is held by the driving force of the engine,
release lever 0002.
The electric parking brake is released.
The red 0007(USA only) or 000C(Canada
only) indicator lamp in the instrument
cluster goes out.
Hill starta ssist Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient.
It holds the vehicle for a short time after you
have removed your foot from the brake pedal.
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal
and to depress it before the vehicle begins to
roll. G
WARNING
After a short time, hill start assist will no
longer brake your vehicle and it could roll
away. There is a risk of an accident and injury.
Therefore, quickly move your foot from the
brake pedal to the accelerator pedal. Never
leave the vehicle when it is held by hill start
assist.
X Remove your foot from the brake pedal.
The vehicle is then held for about a second.
X Pull away.
Hill start assist is not active if:
R you are pulling away on a level road or on
a downhill gradient.
R the transmission is in position N.R
the electric parking brake is applied.
R ESP ®
is malfunctioning. ECO start/stop function
Introduction The ECO start/stop function switches the
engine off automatically if the vehicle is
stopped under certain conditions.
The engine starts automatically when the
driver wants to pull away again. The ECO
start/stop function thereby helps you to
reduce the fuel consumption and emissions
of your vehicle.
Important safety notes
G
WARNING
If the engine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving.
There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes 0002
ECO start/stop display
If the 0012 symbol is shown in green in the
multifunction display, the ECO start/stop
function switches the engine off
automatically if the vehicle stops moving.
Every time you switch on the engine using the
SmartKey or the Start/Stop button, the ECO
start/stop function is activated.
If the ECO start/stop function has been
manually deactivated (Y page 163) or a Driving
161Driving and parking Z

malfunction has caused the system to be
deactivated, the
0012symbol is not
displayed.
AMG vehicles: theStop/Start active or
Stop/Start inactive message in the AMG
menu in the multifunction display goes out.
AMG vehicles: the ECO start/stop function
is only available in drive program C.
For further information on automatic engine
switch-off (Y page 162) and automatic
engine start (Y page 162).
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 0012symbol is displayed in green in
the multifunction display, if:
R the indicator lamp in the ECO button is lit
green.
R no off-road progra mhas been selected.
R the outside temperature is within the
comfort range.
R the engine is at normal operating
temperature.
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
no tfogged 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 0012symbol will
be shown in yellow.
AMG vehicles: the AMG menu in the
multifunction display additionally shows the
Stop/Start inactive message.i
All of the vehicle's systems remain active
when the engine has been stopped
automatically.
i The HOLD function can be activated if the
engine has been switched off
automatically. It is then not necessary to
continue applying the brakes during the
automatic stop phase. When you depress
the accelerator pedal, the engine starts
automatically and the braking effect of the
HOLD function is deactivated.
i All vehicles (apart from AMG
vehicles): automatic engine switch-off can
take place a maximum of four times
consecutively (initial stop then repeated
three times). The 0012symbol is shown in
yellow in the multifunction display after the
engine has been started automatically for
the fourth time. When the 0012symbol is
shown in green in the multifunction display,
automatic engine switch-off is again
possible.
i AMG vehicles: times which the engine
can be automatically switched off.
Automatic engine start The engine starts automatically if:
R
you switch off the ECO start/stop function
by pressing the ECO button.
R you release the brakes when in
transmission position Dor Nand when the
HOLD function is not active.
R you depress the accelerator pedal.
R you engage reverse gear R.
R you move the transmission out of position
P.
R you switch to drive program Sor M(AMG
vehicles).
R you switch to an off-road program (except
for AMG vehicles).
R you unfasten your seat belt or open the
driver's door.
R the vehicle starts to roll. 162
DrivingDriving and parking

R
the brake syste mrequires this.
R the temperature in the vehicle interior
deviates from the set range.
R the system detects moisture on the
windshield when the air-conditioning
system is switched on.
R the charge level of the battery is too low.
i Shifting the transmission to position P
does not start the engine.
i If you shift the transmission from Rto D,
the ECO start/stop function is available
again once the 0012symbol reappears in
green in the multifunction display.
Deactivating/activating the ECO start/
stop function ECO button
X
To switch off (except AMG vehicles):
press button 0002.
Indicator lamp 0003and the 0012symbol in
the multifunction display go out.
X To switch on (except AMG vehicles):
press button 0002.
Indicator lamp 0003lights up. If all conditions
for automatic engine switch-off
(Y page 162)a re fulfilled, the 0012symbol
is show ningreen in the multifunction
display.
If not all conditions for automatic engine
switch-off (Y page 162) are fulfilled, the
0012 symbol is show ninyellow in the
multifunction display. If this is the case, the
ECO start/stop function is not available. X
To switch off (AMG vehicles): in program
C, press button 0002.
or
X Switch to drive program Sor M
(Y page 169).
Indicator lamp 0003and the 0012symbol in
the multifunction display go out.
The Stop/Start active or
Stop/Start inactive message in the AMG menu in the
multifunction display goes out.
X To switch on (AMG vehicles): press
button 0002.
Indicator lamp 0003lights up. If drive
program Sor Mis active, the automatic
transmission switches to drive program C.
If all conditions for automatic engine
switch-off (Y page 162) are fulfilled, the
0012 symbol is shown in green in the
multifunction display. In addition, the
Stop/Start active message is shown in
the AMG menu in the multifunction display.
If conditions for automatic engine switch-
off (Y page 162)h ave notbeen fulfilled , the
0012 symbol will be shown in yellow. If this
is the case, the ECO start/stop function is
not available. In addition, the Stop/Start inactive display message is shown in the
AMG menu in the multifunction display.
i If indicator lamp 0003is off, the ECO start/
stop function has been deactivated
manually or as the result of a malfunction.
The engine will then not be switched off
automatically when the vehicle stops. Driving
163Driving and parking Z

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
no tsimultaneously accelerate. G
WARNING
The automatic transmission switches to
neutral 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
vehicle fro mrolling away by applying the
parking brake. DIRECT SELECTl
ever
Overview of transmission positions 0012
Park position with parking lock
000F Reverse gear
0010 Neutral
0011 Drive
The DIRECT SELECT lever is on the righ tofthe
steering column.
i The DIRECT SELECT lever always returns
to its original position. The current transmission position
P,R, Nor Dappears
in the transmission position display
(Y page 165) in the multifunction display.
Transmission position and drive
program 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. Ideally, you should select
transmission position Dand, in AMG
vehicles, drive program Cor S. Transmission position and drive program display
0002
Transmission position display
0003 Drive program display
The current transmission position and drive
program appearint he multifunction display.
i The arrows in the transmission position
display show how and into which
transmission positions you can change
using the DIRECT SELECT lever.
Engaging parkp osition P !
If the engine speed is to ohigh or the
vehicle is moving, do not shift the
automatic transmission directly from Dto
R, from Rto Dor directly to P.The
automatic transmission could otherwise be
damaged. Automatic transmission
165Driving and parking Z

Program selector button
General notes Vehicles with the ON&OFFROAD package
X
Press program selector button 0002.
The letter Mappears in the multifunction
display.T he manual drive program Mis
activated. AMG vehicles
X
Press program selector button 0002
repeatedly until the letter for the desired
gearshift program appears in the
multifunction display.
The program selector button allows you to
choose between different driving
characteristics.
In AMG vehicles, drive program Eis called
drive program C.
i The permanent drive program Mis
available on the following vehicles:
R Vehicles with the
ON&OFFROAD package
R AMG vehicles Further information about permanent drive
program M(Ypage 171).
As well as this permanent drive program
M, you can also activate temporary drive
program M(Ypage 170).
i AMG vehicles: the automatic
transmission switches to automatic drive
program Ceach time the engine is started.
Drive programs on AMG vehicles C
Controlled
Efficiency Comfortable, economical
driving
S
Sport Sporty driving style
M
Manual Permanent manual
gearshifting
i
For further information on the automatic
drive program, see (Y page 170). Steering wheel paddle shifters
In the manual drive program, you can change
gears manually using steering wheel paddle
shifters
0002and 0003.
Further information about permanent drive
program M(Ypage 171).
Further information about temporary drive
program M(Ypage 170).
i You can only change gear with the
steering wheel paddle shifters when the
transmission is in position D. Automatic transmission
169Driving and parking Z

Automatic drive program
Automatic drive program sEand SDrive program
E(drive program Con MAG
vehicles) is characterized by the following:
R comfort-oriented engine and automatic
transmissio nsettings
R optimal fuel consumption resulting from
the automatic transmission shifting up
sooner
R the vehicle pulling away more gently in
forward and reverse gears, unless the
accelerator pedal is depressed fully
R increased sensitivity. This improves driving
stability on slippery road surfaces, for
example
R the automatic transmission shifting up
sooner .This results in the vehicle being
driven at lower engine speeds and the
wheels being less likely to spin
Drive program Sis characterized by the
following:
R sporty engine and transmission settings
R the automatic transmission shifting up
later
R the fuel consumption possibly being higher
as a result of the later automatic
transmission shift points
Manual drive program M General notes
In this drive program, you can briefly change
gear yourself by using the steering wheel
paddle shifters. The transmission must be in
position
D.
All vehicles (except AMG vehicles): you
can activate manual drive program Musing
the steering wheel paddle shifters.
AMG vehicles: you can activate manual drive
program Min automatic drive programs Cand
S.
Vehicles with the
ON&OFFROAD package: if manual drive
program Mis deactivated using the program selector button, you can activate manual
drive program
Musing the steering wheel
paddle shifters.
i As well as temporary drive program M,
you can also activate permanent drive
program M(Ypage 169).
Further information about permanent drive
program M(Ypage 171).
Activating
X Shift the transmission to position D.
X Pull the left or right steering wheel paddle
shifter (Y page 169).
Manual drive program Mis temporarily
activated. The selected gear and Mappear
in the multifunction display.
Shifting gears
If you pull on the left or right steering wheel
paddle shifter, the automatic transmission
switches to manual drive program Mfor a
limited amount of time. Depending on which
paddle shifter is pulled, the automatic
transmission immediately shifts into the next
gear down or up, if permitted.
X To shift up: pull the right-hand steering
wheel paddle shifter (Y page 169).
The automatic transmission shifts up to the
next gear.
i If the maximum engine speed on the
currently engaged gear is reached and you
continue to accelerate, the automatic
transmission automatically shifts up in
order to prevent engine damage.
X To shift down: pull on the left-hand
steering wheel paddle shifter
(Y page 169).
The automatic transmission shifts down to
the next gear.
i If the engine exceeds the maximum
engine speed when shifting down, the
automatic transmission protects against
engine damage by not shifting down.
i Automatic down shifting occurs when
coasting. 170
Automatic transmissionDriving and parking

Shift recommendation
The gearshift recommendations assist you in
adopting an economical driving style. The
recommended gear is shown in the
multifunction display.
X Shift to recommended gear 0003according
to gearshift recommendation 0002when
shown in the multifunction display of the
instrument cluster.
Deactivating
If you have activated manual drive program
M, it will remain active for a certain amount
of time. Under certain conditions the
minimum amount of time is extended, e.g. in
the case of lateral acceleration, during an
overrun phase or when driving on steep
terrain.
If manual drive program Mhas been
deactivated, the automatic transmission
shifts into the automatic drive program that
was last selected.
You can also deactivate manual drive
program Myourself:
X Pull on the right-hand steering wheel
paddle shifter and hold it in place
(Y page 169).
or
X Use the DIRECT SELECT lever to switch the
transmission position.
or
X AMG vehicles: use the program selector
button to change the drive program
(Y page 169).
Manual drive program Mis deactivated.
The automatic transmission switches into
the drive program that was last selected,
C or S. or
X
Vehicles with the
ON&OFFROAD package: use the selector
wheel to switch to the on-road program
(Y page 243) or the off-road program
(Y page 248). Manual drive program
General information In this drive program, you can permanently
change gear yourself by using the steering
wheel paddle shifters. The transmission must
be in position
D.
i As well as this permanent drive program
M, you can also activate temporary drive
program M(Ypage 170).
Switching on the manual drive program In manual drive program
M, you can change
gear using the steering wheel paddle shifters
if the transmission is in position D.You can
see the currently selected drive program and
which gear is engaged in the multifunction
display.
X AMG vehicles: press the program selector
button (Y page 169) until Mappears in the
multifunction display.
X Vehicles with the ON&OFFROAD
package: press the program selector
button (Y page 169).
The letter Mappears in the multifunction
display.
Shifting up (all vehicles except AMG
vehicles) Automatic transmission
171Driving and parking Z