2014 MERCEDES-BENZ CLS-Class start stop button

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 startingt he engine.
There is arisk 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 ar isk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation. G
WARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or
parts of the engine that heat up. There is arisk
of fire.
Carry out regular checkstom ake sure that
there are no flammable foreign materials in
the engine compartmen torinthe exhaust
system.
! Do not depress the accelerator pedal
when startingt he engine. General notes i
The catalytic converter is preheated for
up to 30 seconds after acold start. The
sound of the engine may change during this
time.
Automatic transmission X
Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
Starting procedurew ith the SmartKey i
To start the engine using the SmartKey
instead of KEYLESS-GO, pull the Start/
Stop button out of the ignition lock.
X Turn the SmartKey to position 3in the
ignition lock (Y page 147) and release it as
soon as the engine is running.
Using KEYLESS-GO to startt he engine i
The Start/Stop button can be use dto
start the vehicle manually without inserting
the SmartKey into the ignition lock. The
Start/Stop button must be inserted in the
ignition lock and the SmartKey must be in
the vehicle. This mode for starting the
engine operates independently of the ECO
start/stop automatic engine start function.
X Depress the brake pedal and keep it
depressed.
X Press the Start/Stop button once
(Y pag e147).
The engine starts. Driving
149Driving and parking Z

Important safety notes
G
WARNING
If th eengineiss witched off automatically and
you exit th evehicle, th eengine is restarted
automatically. The vehicl emay begi nmoving.
There is arisk of accident and injury.
If you wish to exit the vehicle, alwayst urn off
the ignition and secure the vehicle against
rolling away.
General notes 001A
ECO start/stop display
If the 000C 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 152) or a
malfunction has caused the system to be
deactivated, the 000Csymbol 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 151) and automatic
engine start (Y page 152). Automatic engine switch-off General notes
If the vehicle is braked to
astandstill in Dor
N,t he ECO start/stop function switches off
the engine automatically.
The ECO start/stop function is operational
and the 000Csymbol is displayed in green in
the multifunction display ,if:
R the indicator lamp in the ECO button is lit
green.
R the outside temperature is within the
comfor trange.
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 detect sthat 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 000Csymbol will
be shown in yellow.
AMG vehicles: the AMG menu in the
multifunction display also shows the Stop/ Start inactive message.
i If you shift the transmission from Rto D,
the ECO start/stop function is available
again once the 000Csymbol reappears in
green in the multifunction display.
i All of the vehicle's systems remain active
when the engine has been stopped
automatically.
i All vehicles (apartf rom AMG
vehicles): automatic engine switch-off can
take place amaximum of four times
consecutively (initial stop then repeated
three times). The 000Csymbol is shown in
yellow in the multifunction display after the
engine has been started automatically for Driving
151Driving and parking Z

the fourth time. When the
000Csymbo lis
shown in green in the multifunctio ndisplay,
automatic engine switch-off is again
possible.
i AMG vehicles: times which the engine
can be automatically switched off.
i The HOL Dfunction can also be activated
if the engine has been switched off
automatically. It is the nnot necessary to
continue applying the brakes durin gthe
automatic stop phase. When you depress
the accelerator pedal, the engine starts
automatically and the braking effect of the
HOL Dfunction is deactivated.
Automatic engine start The engine start
sautomatically if:
R you switc hoff the ECO start/stop function
by pressing the ECO button.
R you release the brakes when in
transmission position Dor Nand when the
HOL Dfunction is not active.
R you depres sthe accelerator pedal.
R you engage reverse gear R.
R you mov ethe transmission out of position
P.
R you switc htodrive program S,S+ orM
(AMG vehicles).
R you unfasten your seat belt or open the
driver's door.
R the vehicle start storoll.
R the brak esystem require sthis.
R the temperature in the vehicle interior
deviates fro mthe set range.
R the system detectsm oisture on the
windshield when the air-conditioning
system is switched on.
R the charge level of the battery is too low.
i Shiftingt he 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
000Csymbol 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 001A.
Indicator lamp 0010and the 000Csymbol in
the multifunction displaygoo ut.
X To switch on (except AMG vehicles):
press button 001A.
Indicator lamp 0010lights up. If all conditions
for automatic engine switch-off
(Y page 151) are fulfilled,t he000C symbol
is shown in green in the multifunction
display.
If not all conditionsf or automatic engine
switch-off (Y page 151) are fulfilled,t he
000C symbol is shown in yellow in the
multifunction display. If this is the case, the
ECO start/stop function is not available.
X To switch off (AMG vehicles): press
button 001Ain drive program C.
or
X Switch to drive program S,S+ orM
(Y page 159).
Indicator lamp 0010and the 000Csymbol in
the multifunction displaygoo ut.
The Stop/Start active or
Stop/Start inactive message in the AMG menu in the
multifunction displayg oes out.152
DrivingDriving and parking

X
To switc hon(AMG vehicles): press
button 001A.
Indicator lamp 0010lights up. If drive
program S,S+ orMis active, the automatic
transmission switches to drive program C.
If all conditions for automatic engine
switch-off (Y page 151) are fulfilled, the
000C 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 151) have not been fulfilled, the
000C symbol will be shown in yellow. If this
is the case, the ECO start/stop function is
not available. In addition, the Stop/Startinactive message is shown in the AMG
menu in the multifunction display.
i If indicator lamp 0010is off, the ECO start/
stop function has been deactivated
manually or as the result of amalfunction.
The engin ewill then not be switched off
automatically when the vehicle stops. Driving
153Driving and parking Z

Problems with the engine
Problem Possible causes/consequences and
000B Solutions
The engine does not
start. The starter motor
can be heard. R
There is amalfunction in the engine electronics.
R There is amalfunction in the fuel supply.
X Before attempting to start the engine again, turn the SmartKey
in the ignition back to position 0or press the Start/Stop button
repeatedly until all indicator lamps in the instrumen tcluster go
out.
X Try to start the engine again (Y page 149). Avoid excessively
long and frequent attempt stostart the engine as these will drain
the battery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop. 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-star tthe vehicle (Y page 326).
If the engine does not start despite attemptstoj ump-start it:
X Consult aqualified specialist workshop. The starter motor was exposed to
athermal 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 aqualified specialist workshop. The engine is not
running smoothly and
is misfiring. There is
amalfunction in the engine electronics or in amechanical
componentoft he engine management system.
X Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at aqualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it. The coolant
temperature gauge
shows
avalue above
248 ‡(120 †). 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 308). Observe the warning
notes as you do so and add coolant if necessary. 154
DrivingDriving and parking

Engaging park position
PinAMG
vehicles X
When th evehicle is stationary, press P
button 001A.
Engaging revers egear R !
Only shif tthe automatic transmission to
R when the vehicle is stationary.
X When the vehicle is stationary, depress the
brake pedal.
X Push the DIRECT SELECT lever up past the
first point of resistance.
Shifting to neutralN 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 startingt he engine.
There is arisk 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 When the vehicle is stationary, depress the
brake pedal.
X Push the DIRECT SELECT lever up or down
to the first point of resistance.
If the engine has been switched off, the
automatic transmission automatically shifts
to N.
If the automatic transmission is to remain in
neutral N,e.g. for washing the vehicle in car
washes with atowing device, please observe
the following instructions:
Using the SmartKey:
R Make sure that the ignition is switched on.
R When the vehicle is stationary, depress the
brake pedal and keep it depressed.
R Shift to neutral N.
R Release the brake pedal.
R If the parking brake is engaged, release it.
R Switch off the ignition and leave the
SmartKey in the ignition lock.
Using KEYLESS-GO:
R Make sure that the ignition is switched on.
R When the vehicle is stationary, depress the
brake pedal and keep it depressed.
R Engage park position P.
R Release the brake pedal.
R Remove the Start/Stop button from the
ignition lock.
R Insert the SmartKey into the ignition lock.
R Switch on the ignition.
R Depress the brake pedal and keep it
depressed.
R Shift to neutral N.
R Release the brake pedal.
R If the parking brake is engaged, release it.
R Switch off the ignition and leave the
SmartKey in the ignition lock. Automatic transmission
157Driving and parking Z

When leaving the vehicle, alway
stake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
! Always secure the vehicle correctly
against rolling away .Otherwise, the vehicle
or its drivetrai ncould be damaged.
To ensure that the vehicle is secured against
rolling away unintentionally:
R the parking brake must be applied.
R the transmission must be in position Pand
the SmartKey must be removed from the
ignition lock.
R on uphill or downhill gradients, the front
wheels must be turned towards the curb. Switching off the engine
Important safety notes G
WARNING
The automatic transmission switches to
neutral position Nwhen you switch off the
engine. The vehicle may roll away.T here is a
risk of an accident.
After switching off the engine, always switch
to parking position P.Prevent the parked
vehicle from rolling away by applying the
parking brake.
Vehicles with automatic transmission X
Apply the parking brake firmly.
X All vehicles( except AMG vehicles): shift
the transmission to position P. Selector lever in AMG vehicles with
Pbutton
X AMG vehicles: pressPbutton 001A.
Using the SmartKey
X Turn the SmartKey to position 0in the
ignition lock and remove it.
The immobilizer is activated.
i If you turn off the engine with the
SmartKey and then remove it from the
ignition lock or open afront door, the
automatic transmission shifts to P
automatically.
Using KEYLESS-GO
X Press the Start/Stop button (Y page 147).
The engine stops and all the indicator
lamps in the instrumentc luster go out.
i When the driver's door is closed, this
corresponds to key position 1.When the
driver's door is open ,this corresponds to
key position 0:"key removed".
i If yo uturno ff the engine with the Start/
Stop button, the automatic transmission
shifts to N.Ifyou then open one of the front
doors, the automatic transmission shifts to
P.
i The engine can be turned off while the
vehicle is in motion by pressing and holding
the Start/Stop button for about three
seconds. This function operates
independently of the ECO start/stop
automatic engine switch-off function. 168
ParkingDriving and parking

Servicing the brakes
!
If the red brake warning lamp lights up in
the instrumen tcluster and you hear a
warnin gtonew hile the engine is running,
the brak efluid level may be too low.
Observe additional warnin gmessages in
the multifunction display.
The brak efluid level may be too low due to
brak epad wear or leakin gbrak elines.
Have the brak esystem checked
immediately. This work should be carried
out at aqualified specialist workshop.
! Vehicles with 4MATIC: function or
performanc etests may only be carried out
on a2 -axle dynamometer. If you are
planning to have the vehicle tested on such
ad ynamometer, contac tanauthorized
Mercedes-Ben zCenter to obtain further
information first. Otherwise, you could
damage the drive train or the brak esystem.
! Vehicles with 4MATIC: as the ESP®
system operates automatically, the engine
and the ignition must be switched off
(SmartKey in position 0or 1in the ignition
lock or Start/Stop button in position 0or
1)w hile the parking brak eisbeing tested
on abrak edynamometer.
Brakin gmaneuvers triggere dautomatically
by ESP ®
may seriousl ydamag ethe brake
system.
! Vehicles with 4MATIC: as theESP®
system operate sautomatically, th eengine
and th eignition system must be switched
off (SmartKey in position 0or 1in the
ignition loc korStart/Sto pbutto nin
position 0or 1)w hen:
R testing th eparking brak eonabrake
dynamometer.
R you inten dtohave th evehicl etow ed with
on eoft heaxle sraised.
Braking maneuvers triggered automatically
by ESP ®
may seriousl ydamag ethe brake
system. All check
sand maintenance work on the
brak esystem must be carried out at a
qualified specialist workshop. Consult a
qualified specialist worksho ptoarrangethis.
Hav ebrak epads installed and brak efluid
replace dataq ualified specialist workshop.
If th ebrak esystem has only been subject to
moderat eloads ,you should test the
functionalit yofyour brakes at regular
intervals. To do so, press firmly on th ebrake
pedal when driving at ahigh speed. This
improve sthe gripoft hebrak epads.
You can fin dadescription of Brake Assist
(BAS) on (Y page 67)orofBASPLU Son
( Ypage 67).
The braking characteristics of th evehicl ecan
be seriousl yimpaired if:
R brak epads other than those recommended
are installed
R ther ecommended brak efluid is no tused
Safe braking can no longer be guaranteed.
AMG high-performance and ceramic
brakes The high-performance brake system is
installed only on the CLS 63 AMG.
The AMG brake systems are designed for
heavy loads. This may lead to noise when
braking. This will depend on:
R
Speed
R Braking force
R Environmental conditions, such as
temperature and humidity
The wear of individualc omponentsofthe
brake system, such as the brake pads/linings
or brake discs, depends on the individual
driving style and operating conditions.
For this reason, it is impossibletos tate a
mileage that will be valid under all
circumstances. An aggressive driving style
will lead to high wear. You can obtain further
information aboutt his from your authorized
Mercedes-Ben zCenter. Driving tips
173Driving and parking Z