2014 MERCEDES-BENZ CLS ignition

Stolen vehicle recovery service
If your vehicle has been stolen:
XNotify the police.
The police will issueanumbered incident
report.
XThis number will be forwarded to the
Mercedes-Benz Customer Assistance
Center together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The
Mercedes-Benz Customer Assistance
Center contacts you and the local law
enforcement agency if the vehicle is
located. However, only the law
enforcement agency is informed of the
location of the vehicle.
iIf the anti-theft alarm system is activated
for longer than 30 seconds,the Mercedes-
Benz Customer Assistance Center is
automatically informed.
Vehicle remote malfunction diagnosis
With the vehicle remote malfunction
diagnosis (Vehicle Health Check), the
Customer Assistance center can provide
improved support for problems with your
vehicle. During an existing call, vehicle data
is transferred to the Customer Assistance
center. The customer service representative
can use the received data to decide what kind
of assistance is required. You are then, for
example, guided to the nearest authorized
Mercedes-Benz Center orarecovery vehicle
is called.
If vehicle data needs to be transferred during
an MB Info call oraRoadside Assistance call,
this is initiated by the Customer Assistance
center. You will see theRoadside
Assistance Connectedmessage in the
COMAND display.Ifthe vehicle remote
malfunction diagnosis can be started, the
Request for vehicle diagnosis
received. Start vehicle diagnosis?
message appears in the display.
XConfirm the message withYes.
XWhen theVehicle Diagnosis Please
Start Ignitionmessage appears, turn
the SmartKey to position2in the ignition
lock (Ypage 147).
XWhen thePlease follow the
instructionsreceivedbyphoneand
move your vehicle toasafe
position.message appears, follow the
customer service representative's
instructions.
The message in the displaydisappears.
If you selectCancel,the vehicle remote
malfunction diagnosis is canceled
completely.
The vehicle operating state check begins.
You will see theVehicle diagnosis
activated.message.
When the diagnosis is completed, the
Transfer vehicle diagnostics data
(Voice connection may be
interrupted during data transfer.)
message appears. The vehicle data can now
be sent to the Customer Assistancecenter.
XPressOKto confirm the message.
The voice connection with the Customer
Assistancecenter is terminated.
You will see theVehicle Diagnosis:
Transferring data...message.
The vehicle data is sent to the Customer
Assistancecenter.
Depending on what the customer service
representative agreed with you, the voice
connection is re-established after the transfer
is complete. If necessary, you will be
contacted atalater time by another means,
e.g. by e-mail or phone.
Further functions of the vehicle remote
malfunction diagnosis include, for example:
Rtransfer of service data to the Customer
Assistancecenter. Ifaservice is overdue,
the COMAND display showsamessage
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Triggeringthe vehicle alarm
With thisfunction, youcan triggerthe
vehicle's panic alarm via text message. An
alarm sounds and the exterior lighting
flashes. Depending on the setting, the panic
alarm lasts five or ten seconds. Afterwards,
the alarm switches off.
Garage door opener
Important safety notes
GWARNING
When you operate or program the garage door
with the integrated garage door opener,
persons in the range of movement of the
garage door can become trapped or struck by
the garage door. There isarisk of injury.
When using the integrated garage door
opener, always make sure that nobody is
within the rangeofmovementofthe garage
door.
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbonmonoxide. Inhaling
these exhaust gases leads to poisoning. There
isarisk of fatal injury. Therefore never leave
the engine runninginenclosed spaces
without sufficient ventilation.
The HomeLink®garage door opener
integrated in the rear-view mirror allows you
to operate up to three different door and gate
systems.
Use the integrated garage door opener only
on garage doors that:
Rhave safety stop and reverse features and
Rmeet current U.S. federal safety standards
When programmingagarage door opener,
park the vehicle outside the garage.
iCertain garage door drives are
incompatible with the integrated garage
door opener. If you have difficulty
programming the integrated garage door
opener, contact an authorized Mercedes-
Benz Center.
Alternatively, you can call the following
telephone assistance services:
RUSA:Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
RCanada:Customer Serviceat
1-800-387-0100
RHomeLink®hotline 1-800-355-3515
(free of charge)
More information on HomeLink®and/or
compatible products is also available
online at http://www.homelink.com.
iNotes on the declaration of conformity
(Ypage 25).
USA:FCC ID: CB2HMIHL4
Canada: IC: 279B-HMIHL4
Programming
Programming buttons
Observe the "Important safety notes"
(Ypage 299).
Integrated garage door opener in the rear-viewmirror
Garage door remote controlis not part of
the integrated garage door opener.
XThe first time before programming, clear
the integrated garage door opener memory
(Ypage 301).
XTurn the SmartKey to position2in the
ignition lock.
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XPress and hold one of buttonsto!on
the integrated garage door opener.
Afterashort time, indicator lamplights
up yellow.
iIndicator lamplights up yellow as soon
as button,$or!is programmed for
the first time. If the selected button has
already been programmed, indicator
lampwill only light up yellow after ten
seconds have elapsed.
XRelease button,$or!.Indicator
lampflashes yellow.
XPoint garage door remotecontrol
towards buttonsto!on the rear-view
mirror atadistanceof2to8inches (5 to
20 cm).
iThe required distancebetween remote
controland the integrated garage door
opener depends on the garage door drive
system. Several attempts might be
necessary. You should test every position
for at least 25 seconds before trying
another position.
XPress and hold button%on remotecontrol
until indicator lamplights up green.
If indicator lamplights up green or
flashes, then programming has been
successful.
XRelease button%on remote controlfor
the garage door drive system.
XIf indicator lamplights up red: repeat
the programming procedure for the
corresponding button on the rear-view
mirror. When doing so, vary the distance
between remote controland the rear-
view mirror.
iIf the indicator lamp flashes green after
successful programming, the garage door
system is usingarolling code. After
programming, you must synchronize the
garage door opener integrated in the rear-
view mirror with the receiver of the garage
door system.
Synchronizing the rolling code
Observe the "Important safety notes"
(Ypage 299).
Your vehicle must be within reach of the
garage door or exterior gate drive. Make sure
that neither your vehicle nor any persons/
objectsare present within the sweep of the
door or gate.
XTurn the SmartKey to position2in the
ignition lock.
XPress the program button of the door or
gate drive (see the door or gate drive
operating instructions, e.g. under
"programming of additional remote
controls").
iUsually,you now have 30seconds to
initiate the next step.
XPress previously programmed button,
$or!of the integrated garage door
opener until the door closes.
The rolling code synchronization is then
complete.
Notes on programming the remote
control
Canadianradio frequency laws require a
"break"(or interruption)ofthetransmission
signals after broadcastingforafew seconds.
Therefore, these signals may notlast long
enough for theintegratedgaragedoor
opener. The signal is notrecognized during
programming. Comparable with Canadian
law, some U.S.garage door openers also
featurea"break".
Proceedasfollows:
Rif you live in Canada
Rif you have difficulties programmingthe
garagedoor opener (regardless of where
you live)when usingtheprogramming
steps
300Features
Stowage and features

XPress and hold one of buttonsto!on
the integrated garage door opener.
Afterashort time, indicator lamplights
up yellow.
XRelease the button.
Indicator lampflashes yellow.
XPress button%of garage door remote
controlfor two seconds, then release it
for two seconds.
XPress button%again for two seconds.
XRepeat this sequence on button%of
remotecontroluntil indicator lamp
lights up green.
If indicator lampturnsred, repeat the
process.
XContinue with the other programming
steps (see above).
Problems when programming
If you are experiencing problems
programmingthe integrated garage door
opener on the rear-view mirror, take noteof
the following instructions:
RCheck the transmitter frequencyofgarage
door drive remotecontrol.This can
usually be found on the back of the remote
control.
The integrated garage door opener is
compatible with devices that have units
which operate in the frequency range of
280to433MHz.
RReplace the batteries in garage door
remote control.This increases the
likelihood that garage door remote control
will transmitastrongand precisesignal
to the integrated garage door openerinthe
rear-view mirror.
RWhen programming, hold remote control
at varying distances and angles from the
button that you are programming. Try
various angles atadistance between 2and
12 inches (5to 30 cm) or at the same angle
but at varying distances.
RIf another remote control for the same
garage door drive is available, repeat the
same programming steps with this remote
control. Before performing these steps,
make sure that new batteries have been
installed in garage door drive remote
control.
RNote that some remote controls only
transmit foralimited amount of time (the
indicator lamp on the remote control goes
out). Press button%on remote control
again before transmission ends.
RAlign the antennacable of the garage door
opener unit. This can improve signal
reception/transmission.
Opening/closing the garage door
After it has been programmed, the integrated
garage door opener performs the function of
the garage door system remote control.
Please also read the operating instructions
for the garage door system.
XTurn the SmartKey to position2in the
ignition lock.
XPress button,$or!which you have
programmed to operate the garage door.
Garage door system withafixed code:
indicator lamplights up green.
Garage door system witharolling code:
indicator lampflashes green.
iThe transmitter will transmitasignal as
long as the button is pressed. The
transmission is halted afteramaximum of
ten seconds and indicator lamplights
up yellow. Press button,$or!again
if necessary.
Clearing the memory
XTurn the SmartKey to position2in the
ignition lock.
XPress buttonsand!.
The indicator lamp lights up yellow.
XPress and hold buttonsand!until the
indicator lamp turns green.
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Calibratingthecompass
XMakesure that there is sufficient spacefor
you to driveinacircle without impeding
traffic.
In order to calibratethecompasscorrectly,
do thefollowing:
Rcalibratethecompassintheopen and not
in thevicinity of steel structures or high-
voltage transmission lines.
Rswitch off electrical consumerssuchasthe
climate control, windshield wipersorrear
window defroster.
Rclose all doorsand thetrunk lid.
XSwitch on theignition.
XPress and hold button$(Ypage 302) for
approximately six seconds until the
Csymbol appearsincompassdisplay
(Ypage 302).
XDrive inafull circle at approximately
3mph (5 km/h)to6mph (10 km/h).
When thecalibration has successfully been
completed, thecurrentdirection is shown
in compass display(Ypage 302).
Floormats
GWARNING
Objectsinthe driver's footwell can restrictthe
pedal travel or obstructadepressed pedal.
The operatingand road safety of the vehicle
is jeopardized. There isarisk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficientclearancefor the pedals. Do not use
loose floormats.
XSlide the seat backwards.
XTo install:place the floormat in the
footwell.
XPress studsontoretainers.
XTo remove:pull the floormat off
retainers.
XRemove the floormat.
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Useful information
iThis Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please notethat your vehicle may
not be equipped with all features
described. This also applies to safety-
related systemsand functions.
iRead the information on qualified
specialist workshops: (Ypage 26).
Engine compartment
Hood
Important safetynotes
GWARNING
If the hood is unlatched, it may open up when
the vehicle is in motion and block your view.
There isarisk of an accident.
Never unlatchthe hood while driving.
GWARNING
When openingand closingthe hood, it may
suddenly fall intothe closed position.There is
arisk of injury to persons within range of
movement of the hood.
Open and close the hood only when no one is
within its range of movement.
GWARNING
Certain components in the engine
compartment, such as the engine, radiator
and parts of the exhaust system, can become
very hot. Working in the engine compartment
posesarisk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
GWARNING
Opening the hood when the engine is
overheated or when there isafire in the
engine compartmentcould expose you to hot
gases or other service products. There is a
risk of injury.
Let an overheated engine cool down before
opening the hood. If there isafire in the
engine compartment, keep the hood closed
and contact the fire department.
GWARNING
The engine compartment contains moving
components. Certain components, such as
the radiator fan, may continue to run or start
again suddenly when the ignition is off. There
isarisk of injury.
If you need to do any work inside the engine
compartment,
Rswitch off the ignition
Rnever reach into the area where there is a
risk of danger from moving components,
such as the fan rotation area
Rkeep clothingaway from moving parts
GWARNING
The ignition system and the fuel injection
system work under high voltage. If you touch
components which are under voltage, you
could get an electric shock. There isarisk of
injury.
Never touch components of the ignition
system or fuel injection system when the
ignition is switched on.
Opening the hood
GWARNING
When the hood is open and the windshield
wipers are set in motion,you can be injured
by the wiper linkage. There isarisk of injury.
Always switch off the windshield wipers and
the ignition before opening the hood.
306Engine compartment
Maintenance and care

XPark the vehicle onalevel surface.
Only check the coolant level when the
vehicle is onalevel surface and the engine
has cooled down.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Ypage 147).
XCheck the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158‡(70 †).
XTurn the SmartKey to position
0(Ypage 147) in the ignition lock.
XSlowly turn caphalfaturn counter-
clockwise to allow excess pressure to
escape.
XTurn capfurther counter-clockwise and
remove it.
If the coolant is at the level of marker bar
$in the filler neck when cold, there is
enough coolant in coolant expansion
tank.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar$in the fuel
filler neck when warm, there is enough
coolant in expansion tank.
XIf necessary, add coolant that has been
tested and approved by Mercedes-Benz.
XReplace capand turn it clockwise as far
as it will go.
For further information on coolant,see
(Ypage 377).
Adding washer fluid to the windshield
washer system/headlampcleaning
system
GWARNING
Windshield washer concentrate is highly
flammable. If it comes intocontactwith hot
enginecomponentsorthe exhaust systemit
could ignite. There isariskoffire and injury.
Make sure that no windshield washer
concentrate is spilled nexttothe filler neck.
XTo open:pull capupwards by the tab.
XAdd the premixed washer fluid.
XTo close:press capontothe filler neck
until it engages.
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
If the washer fluid level drops below the
recommended minimum of1liter,amessage
appears in the multifunction display
promptingyou to refill the washer fluid
(Ypage 262).
Further information on windshield washer
fluid/antifreeze (Ypage 378).
Maintenance
ASSYST PLUS
Service messages
The ASSYSTPLUS service interval display
informsyou of the nextservice due date.
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Information on the type of service and service
intervals (see the separate Maintenance
Booklet).
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only).
iThe ASSYST PLUS service interval display
does not show any information on the
engine oil level.Observe the notes on the
engineoil level (Ypage 307).
The multifunction display showsaservice
message for several seconds, e.g.:
RServiceAin..Days
RServiceADue
RServiceAExceeded by .. Days
Depending on the operatingconditionsofthe
vehicle, the remainingtime or distance until
the nextservice due date is displayed.
The letterAorB,possibly in connection with
anumber or another letter, shows the type of
service.Astands foraminor serviceandBfor
amajor service.
You can obtain further information from an
authorized Mercedes-Benz Center.
The ASSYST PLUS serviceinterval display
does not take intoaccountany periods of
time during which the battery is
disconnected.
Maintaining the time-dependent service
schedule:
XNote down the serviceduedate displayed
in the multifunctiondisplay before
disconnecting the battery.
or
XAfter reconnecting the battery, subtract
the battery disconnection periods fromthe
service date shown on the display.
Hidingaservice message
XPresstheorbutton on the
steeringwheel.
Displaying service messages
XSwitch on theignition.
XPressthe\norbutton on the
steeringwheel to selecttheServ.menu.
XPress theorbutton to select the
ASSYST PLUSsubmenu and confirm by
pressing thebutton.
The service due date appears in the
multifunction display.
Information about Service
Resetting the ASSYST PLUS service
interval display
!If the ASSYST PLUS service interval
displayhas been inadvertently reset, this
settingcan be corrected ataqualified
specialist workshop.
Have service work carried out as described
in the MaintenanceBooklet. This may
otherwise lead to increased wear and
damage to the major assemblies or the
vehicle.
Aqualified specialist workshop, e.g. an
authorizedMercedes-BenzCenter, will reset
the ASSYST PLUS serviceinterval display
after the servicework has been carried out.
You can also obtain further information on
maintenancework, for example.
Special service requirements
The specified maintenanceinterval takes only
the normal operation of the vehicle into
account. Under arduous operatingconditions
or increased load on the vehicle,
maintenancework must be carried out more
frequently, for example:
Rregular city driving with frequent
intermediate stops
Rif the vehicle is primarily used to travel
short distances
Ruse in mountainous terrain or on poor road
surfaces
Rif the engineisoften left idling for long
periods
310Maintenance
Maintenance and care