2014 MERCEDES-BENZ CLS start stop button

XTo deactivate:press buttonuntilthe
ESP®OFF warning lamp lights up in
the instrument cluster.
TheOFFmessage appearsinthe
multifunctiondisplay.
Deactivate ESP®when drivingon
designated roads when the vehicle's own
oversteeringand understeering
characteristics are desired. Drivingwithout
ESP®requiresanextremely qualified and
experienced driverwho is able to cope with
these critical driving conditions.
XTo activate:briefly press button.
The ESP®OFF warning lamp in the
instrumentcluster goes out. TheON
message appears in the multifunction
display.
ESP®is activated automatically when the
engine is started.
If ESP®is deactivated and one or morewheels
start to spin,theESP®warninglamp in
the instrumentcluster does not flash. In such
situations, ESP®will not stabilize the vehicle.
It may be best to deactivateESP®in the
followingsituations:
Rwhen using snowchains
Rin deep snow
Ron sand or gravel
If you deactivateESP®:
RESP®no longer improves drivingstability.
Rtraction control is still activated.
RPRE-SAFE®is no longer available, nor is it
activated if you brakefirmly and ESP®
intervenes.
RPRE-SAFE®Brake is no longer available, it
is also not activated if you brakefirmly and
ESP®intervenes.
RESP®still provides support when you
brake.
Rengine torque is no longer limited and the
drive wheels are able to spin.The spinning
wheels produceacuttingeffect for better
traction.
Vehicles with ECO start/stop function: the
ECO start/stop function switches the engine
off automatically when the vehicle comes to
astop. The engine starts automatically when
the driver wants to pull away again. ESP®
remains in its previously selected status. For
example, if ESP®was deactivated before the
engine was switched off, ESP®remains
deactivated when the engine is switched on
again.
EBD (electronic brake force
distribution)
iObserve the "Important safety notes"
section (Ypage 66).
GWARNING
If EBD has malfunctioned, the rear wheels can
still lock, e.g. under full braking. This
increases the risk of skidding and an accident.
You should therefore adapt your driving style
to the different handling characteristics. Have
the brake system checked ataqualified
specialist workshop.
Observe information regarding indicator and
warning lamps (Ypage 267) as well as
displaymessages (Ypage 240).
EBD monitors and controls the brake
pressure on the rear wheels to improve
driving stability while braking.
Driving safety systems71
Safety
Z

ContactanauthorizedMercedes-Benz
Centerorcall 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada).
ATA (anti-theftalarm system)
XTo arm:lockthe vehicle with the SmartKey
or KEYLESS-GO.
Indicator lampflashes. The alarm
system is armed after approximately
15 seconds.
XTo disarm:unlock the vehicle with the
SmartKey or KEYLESS-GO.
Avisual and audible alarm is triggeredifthe
alarm system is armed and you open:
Radoor
Rthe vehicle with the mechanical key
Rthe trunk lid
Rthe hood
XTo turn thealarmoff with the
SmartKey:press theorbutton
on the SmartKey.
The alarm is switched off.
or
XInsert the SmartKey intothe ignition lock.
The alarm is switched off.
XTo stop thealarmusing KEYLESS-GO:
grasp the outside door handle. The
SmartKey must be outside the vehicle.
The alarm is switched off.
or
XPress the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that triggered it, for
example.
iIf the alarm stays on for more than
30 seconds, the mbrace emergency call
system automatically sendsamessage to
the Customer Assistance Center by text
message or data connection.The
emergency call system sends the message
provided that:
Ryou have subscribed to the mbrace
service
Rthe mbrace service has been activated
properly
Rthe necessary mobile phone network is
available
74Theft deterrent locking system
Safety

approximately six seconds until thebattery
check lamp flashes twice (Ypage 79).
iIf thesettingofthelockingsystem is
changed within thesignal range of the
vehicle,pressingtheorbutton:
Rlocks or
Runlocksthevehicle
The SmartKey nowfunctionsasfollows:
XTo unlock thedriver's door:pressthe
buttononce.
XTo unlock centrally:pressthe
buttontwice.
XTo lock centrally:pressthebutton.
The KEYLESS-GO function is changed as
follows:
XTo unlock thedriver's door:touch the
inner surface of thedoor handle on the
driver'sdoor.
XTo unlock centrally:touch theinner
surface of thedoor handle on thefront-
passenger door or therear door.
XTo lock centrally:touch theoutersensor
surface on one of the door handles.
XTo restorethe factorysettings:press
and hold down theandbuttons
simultaneously for approximately six
seconds until the batterychecklamp
flashes twice (Ypage 79).
Mechanicalkey
General notes
If thevehicle can no longer be lockedor
unlocked withtheSmartKey, use the
mechanical key.
If you use themechanical keytounlock and
open thedriver'sdoor or thetrunk lid, the
anti-theftalarm system will be triggered
(Ypage 74).
There are several ways to turnoff the alarm:
XTo turn the alarm off with the
SmartKey:press theorbutton
on the SmartKey.
or
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO:press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
If you unlock the vehicle using the mechanical
key, the fuel filler flapwill not be unlocked
automatically.
XTo unlock thefuel filler flap:insert the
SmartKey intothe ignition lock.
Removing themechanical key
Release catch
Mechanical key
XPush release catchin the direction of
the arrow and at the same timeremove
mechanical keyfromthe SmartKey.
78SmartKey
Opening and closing

Position of the steering wheel for
driving
The steering wheel is moved to the last
selected position when:
Rthe driver's door is closed
Rwith KEYLESS-GO:you press the Start/
Stop button once on vehicles with
KEYLESS-GO
or
Rwith the SmartKey:you insert the
SmartKey into the ignition lock.
When you close the driver's door with the
ignition switched on, the steering wheel is
also automatically moved to the previously
set position.
The last position of the steering wheel is
stored when you switch off the ignition or
when you store the settingwith the memory
function (Ypage 112).
Crash-responsive EASY-EXIT feature
If the crash-responsiveEASY-EXITfeature is
triggeredinanaccident,the steeringcolumn
will moveupwards when the driver's door is
opened. This occurs irrespective of the
position of the SmartKey in the ignition lock.
This makes it easier to exit the vehicle and
rescue the occupants.
The crash-responsiveEASY-EXITfeature is
only operational if the EASY-EXIT/ENTRY
feature is activated in the on-board computer.
(Ypage 233)
Mirrors
Exterior mirrors
Adjusting theexterior mirrors
GWARNING
You could lose control of your vehicle if you
do the followingwhile driving:
Radjust the driver's seat,head restraint,
steeringwheel or mirrors
Rfasten the seat belt
There isarisk of an accident.
Adjust the driver's seat, head restraint,
steeringwheel and mirror and fasten your
seat belt before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the
distancefrom road users travelingbehind,
e.g. when changinglane. There isarisk of an
accident.
For this reason, alwaysmake sure of the
actual distancefrom the road users traveling
behind by glancingover your shoulder.
XTurn the SmartKey to position1or2in the
ignition (Ypage 147).
XPress buttonfor the left-hand exterior
mirror or buttonfor the right-hand
exterior mirror.
The indicator lamp in the corresponding
button lights up in red.
Mirrors109
Seats, steering wheel and mirrors
Z

Problems with the windshield wipers
ProblemPossible causes/consequences andSolutions
The windshield wipers
are jammed.
Leaves or snow, for example, may be obstructing the windshield
wiper movement.The wiper motor has been deactivated.
XFor safety reasons, you should remove the SmartKey from the
ignition lock.
or
XSwitch off the engine using the Start/Stop button and open the
driver's door.
XRemove the cause of the obstruction.
XSwitch the windshield wipers back on.
The windshield wipers
fail completely.
The windshield wiper drive is malfunctioning.
XSelect another wiper speed on the combination switch.
XHave the windshield wipers checked ataqualified specialist
workshop.
128Windshield wipers
Lights and windshield wipers

indicator lamp above thebutton goes
out.
RVehicles with COMANDMultimedia-
System:if you change the settings of the
climate control system, the climate status
display appears for approximately three
seconds at the bottom of the screen in the
COMAND display. See also the separate
COMAND operating instructions.You will
see the current settings of the various
climate control functions.
ECO start/stop function
During automatic engine switch-off, the ECO
start/stop function only operates at a
reduced capacity. If you require the full
climate control output, you can switch off the
ECO start/stop function by pressing the ECO
button (Ypage 152).
Overview of climate control systems133
Climate control

Information aboutusing 3-zone
automatic climate control
Automatic climate control
The 3-zone automatic climate control is only
available on vehicles for Canada.
The following contains instructions and
recommendations to enable you to get the
most out of your automatic climate control.
RActivate climate control using the\rand
buttons. The indicatorlamps above
the\randbuttons light up.
RIn automatic mode, you can also use the
buttontosetaclimate mode
(FOCUS/MEDIUM/DIFFUSE). The
MEDIUM levelisrecommended.
RSet thetemperaturetof72‡(22 †).
ROnly use the"Windshield defrosting"
function briefly until thewindshield is clear
again.
ROnly use air-recirculation modebriefly, e.g.
if there are unpleasantoutside odorsor
when inatunnel. The windows could
otherwise fog up, since no fresh air is drawn
intothevehicleinair-recirculation mode.
RUse theZONEfunction to adopt the
temperature settingsonthedriver's side
for the front-passenger side and the rear
compartment as well. The indicatorlamp
above thebutton goes out.
RUse the residual heat function if you want
to heat or ventilate the vehicle interior
when the ignition is switched off. The
residual heat function can only be activated
or deactivated with the ignition switched
off.
RVehicles with COMAND Multimedia-
System:if you change the settings of the
climate control system, the climate status
displayappears for approximately three
seconds at the bottom of the screen in the
COMAND display. See also the separate
COMAND operating instructions. You will
see the current settings of the various
climate control functions.
ECO start/stop function
During automatic engine switch-off,the ECO
start/stop function only operates at a
reduced capacity. If you require the full
climate control output, you can switch off the
ECO start/stop function by pressing the ECO
button (Ypage 152).
Operating the climate control
systems
Switching climate control on/off
Points to observe before use
When the climate control is switched off, the
air supply and air circulation are also
switched off. The windows could fog up.
Therefore, switch off climate control only
briefly
iActivate climate control primarily using
the\rbutton (Ypage 137).
Activating/deactivating
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo switch on:press the\rbutton on
the control panel for the climate control.
The indicator lamp in the\rbutton lights
up. Airflow and air distribution are set to
automatic mode.
or
XPress thebutton.
The indicator lamp in thebutton goes
out. The previously selected settings are
restored.
XTo switch off:press thebutton.
The indicator lamp in thebutton lights
up.
Operating the climate control systems135
Climat ec ontrol

GWARNING
Unsuitable footwearcan hinder correctusage
of the pedals, e.g.:
Rshoes with thick soles
Rshoes with high heels
Rslippers
There isarisk of an accident.
Wear suitable footwear to ensure correct
usage of the pedals.
GWARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There isarisk
of an accident.
Do not switch off the ignition while driving.
GWARNING
If the parking brake has not been fully
released when driving, the parking brake can:
Roverheat and causeafire
Rlose its hold function.
There isarisk of fire and an accident. Release
the parking brake fully before driving off.
!Warm up the engine quickly. Do not use
the engine's full performance until it has
reached operating temperature.
Only shift the automatic transmission to
the desired drive position when the vehicle
is stationary.
Where possible,avoid spinning the drive
wheels when pulling awayonslippery
roads. You could otherwise damage the
drive train.
!AMG vehicles:at low engine oil
temperatures below 68‡(+20 †), the
maximumengine speed is restrictedin
order to protect the engine.Toprotectthe
engine and maintain smooth engine
operation, avoid driving at full throttle when
the engine is cold.
Key positions
SmartKey
To remove the SmartKey
(shift the transmission to positionP)

Power supply for some consumers, such
as the windshield wipers
Ignition (power supply for all consumers)
and drive position
To start the engine
iThe SmartKey can be turned in the
ignition lock even if it is not the correct
SmartKey for the vehicle. The ignition is not
switched on. The engine cannot be started.
KEYLESS-GO
General notes
RDo not store the KEYLESS-GO key together
with:
-electronic devices, e.g.amobile phone
or another SmartKey
-metallic objects, e.g. coins or metal film
RDo not keep the KEYLESS-GO key in metal
objects, e.g. metal cases.
This can affect the functionality of
KEYLESS-GO.
Vehicles with KEYLESS-GO are equipped with
keys featuring the integrated KEYLESS-GO
function andadetachable Start/Stop button.
Driving147
Driving and parking
Z