service MERCEDES-BENZ CLS 2014 Owner's Guide

iDestinationaddresses are loaded in the
same order as the order in which they were
sent.
Please notethe following if you have
multiple Mercedes-Benz vehicles with
mbrace and activembrace accounts:
if multiple vehicles are registered under the
same e-mail address, the destination will
be sent to all the vehicles.
Vehicle remote opening
You can use the vehicle remoteopeningifyou
have unintentionally locked your vehicle and
areplacementSmartKey is not available.The
vehicle can be opened by the Mercedes-Benz
Customer AssistanceCenter.
The vehicle can be immediately opened
remotely within four days of the ignition being
turned off. After this time, the remote
unlocking may be delayed by 15 to
60 minutes. After 30 days, the vehicle can no
longer be opened remotely.
XContact the following service hotlines:
RUSA:Mercedes-BenzCustomer
AssistanceCenterat
1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada:Customer Service at
1-888-923-8367
You will be asked for yourpassword.
XReturn to your vehicle at thetimeagreed
upon withtheMercedes-BenzCustomer
AssistanceCenter.
USAonly:alternatively, the vehicle can be
opened via:
Rthe Internet,under the "OwnersOnline"
section
Rthe telephoneapplication (e.g.iPhone®,
Blackberry)
To do this, you will need your identification
number and password.
iVehicle remoteopening is only possible if
the corresponding mobile phone network
is accessible.
Vehicle remoteclosing
The remoteclosing feature can be used when
you have forgotten to lock the vehicle and you
are no longer nearby. The vehicle can then be
locked by the Mercedes-Benz Customer
Assistance Center.
The vehicle can be immediately remotely
locked within four days of the ignition being
turned off. After this time, the remoteclosing
may be delayed by 15 to 60 minutes. After
30 days the vehicle can no longer be closed
remotely.
XContact the following service hotlines:
RUSA:Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372)or1-866-990-9007
RCanada:Customer Serviceat
1-888-923-8367
You will be asked for your PIN.
The next time you are inside the vehicle and
you switch on the ignition, theDoors
Locked Remotelymessage appears in the
multifunction display.
USA only: alternatively, the vehicle can be
locked via:
Rthe Internet,under the "Owners Online"
section
Rthe telephone application (e.g. iPhone®,
Blackberry)
To do this, you will need your identification
number and password.
iThe vehicle remote closing feature is
available when the relevant mobile phone
network is available and data connection is
possible.
296Features
Stowage and features

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
Features297
Stowage and features
Z

about various special offers at your
workshop.
Rmonthly status informatione-mail on oil
level,air pressure, maintenance, brakes,
etc. If applicable,you willreceive
information on special offers in the e-mail.
USA only:this information can alsobe
called up under "Owners Online" at http://
www.mbusa.com.
Information on the data stored in the vehicle
(Ypage27).
Information on RoadsideAssistance
(Ypage23).
Downloading routes
Downloading routes allows you to transfer
and save predefined routes in the navigation
system. To do this, an SD memory card must
be inserted into the COMAND system. If no
SD memory card is inserted, you must insert
the card into the card slot on the COMAND
system before saving.
Aroute can be prepared and sent either by a
customer service representative or via the
mbrace portal on the Internet.
Each route can include up to 20 way points.
Oncearoute has been received by the
navigation system, you will see the name>hasbeensavedtomemorycard.
Do you want to start route
guidance?message in the COMAND display.
The route is saved to the SD memory card.
XTo startrouteguidance:selectYes.
An overview of the route is shown in the
display.
iIf you selectNo,the saved route can be
called up later via the navigation menu.
XSelectStart.
Route guidance is started.
iDownloaded and saved data can be called
up again in COMAND.
You can find further information in the
separate COMAND Operating Instructions.
Speed alert
You can define the upper speed limit, which
must not be exceeded by the vehicle. If this
selected speed is exceeded by the vehicle, a
message will be sent to the Customer
Assistance center. The Customer Assistance
center then forwards this information to you.
You can select the way in which you receive
this information beforehand. Possible options
include text message, e-mail or an automated
call.
The data which is sent to the Customer
Assistance Center contains the following
information:
Rthe location where the speed limit was
exceeded
Rthe time at which the speed limit was
exceeded
Rthe selected speed limit which was
exceeded
Geo fencing
Geo fencing allows you to select areas which
the vehicle should not enter or leave. You will
be informed if the vehicle crosses the
boundaries of the selected areas. You can
select the way in which you receive this
information beforehand. Possible options
include text message, e-mail or an automated
call.
The area can be determined as eitheracircle
orapolygon withamaximum of ten corners.
You can specify up to ten areas
simultaneously. Different settings are
possible for each area.
USA only: these settings can be called up
under "Owners Online" at http://
www.mbusa.com.
Alternatively, you can trigger an MB Info call
and inform the customer service
representative that you wish to activate geo
fencing.
Currently inactive areas can be activated by
text message.
298Features
Stowage and features

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.
Features299
Stowage and features
Z

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

Adding engineoil
GWARNING
If engineoil comes intocontactwithhot
componentsintheenginecompartment, it
may ignite. There isariskoffireand injury.
Makesurethatengineoil is notspilled next
to the filler neck. Let the enginecool down
and thoroughly clean the engineoil off the
componentsbefore starting the engine.
HEnvironmental note
When adding oil, take care not to spill any. If
oil enters the soil or waterways, it is harmful
to the environment.
!Only use engineoils and oil filtersthat
have been approved for vehicles with a
servicesystem. You can obtainalist of the
engineoils and oil filterstested and
approved in accordance with the
Mercedes-Benz Specificationsfor Service
Productsatany Mercedes-Benz Service
center.
Damage to the engineorexhaust system is
caused by the following:
Rusing engineoils and oil filtersthat have
not been specifically approved for the
servicesystem
Rreplacing engineoil and oil filtersafter
the interval for replacementspecified by
the servicesystem has been exceeded
Rusing engineoil additives.
!Do not add too much oil. adding too much
engineoil can result in damage to the
engineortothe catalytic converter. Have
excess engineoil siphoned off.
Example: engineoil capXTurn capcounter-clockwise and remove
it.
XAdd engineoil.
If the oil level is at or below the MIN mark
on the oil dipstick, add 1.1 US qt(1.0 liter)
of engine oil.
XReplace capon the fillerneck and turn
clockwise.
Ensurethatthe cap locks into place
securely.
XCheck the oillevel againwith the oil
dipstick (Ypage 307).
Further information on engine oil
(Ypage 375).
Additionalservice products
Checking coolant level
GWARNING
The engine cooling system is pressurized,
particularly when the engine is warm. When
opening the cap, you could be scaldedbyhot
coolantspraying out. There isarisk of injury.
Let the enginecool down before openingthe
cap. Wear eye and hand protection when
openingthe cap. Open the cap slowly half a
turn to allow pressure to escape.
308Engine 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.
Maintenance309
Maintenance and care
Z

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

Under these or similarconditions, have, for
example, the air filter, engine oil and oil filter
replaced or changed more frequently. Under
arduous operating conditions, the tires must
be checked more often.Further information
can be obtained ataqualified specialist
workshop, e.g. an authorized Mercedes-Benz
Center.
Driving abroad
An extensive Mercedes-Benz Servicenetwork
is also available in other countries. You can
obtain further information from any
authorized Mercedes-Benz Center.
Care
General notes
HEnvironmental note
Dispose of empty packagingand cleaning
clothsinanenvironmentally responsible
manner.
!For cleaningyour vehicle, do not use any
of the following:
Rdry, rough or hard cloths
Rabrasive cleaningagents
Rsolvents
Rcleaningagents containingsolvents
Do not scrub.
Do not touch the surfaces or protective
films with hard objects, e.g.aring or ice
scraper. You could otherwise scratch or
damage the surfaces and protective film.
!Do not park the vehicle for an extended
period straight after cleaningit, particularly
after having cleaned the wheels with wheel
cleaner. Wheel cleaners could cause
increased corrosion of the brake discs and
brake pads/linings. For this reason, you
should drive forafew minutes after
cleaning. Braking heats the brake discs and
the brake pads/linings, thus drying them.
The vehicle can then be parked.
Regular care of your vehicle isacondition for
retaining the quality in the long term.
Use care productsand cleaningagents
recommended and approved by Mercedes-
Benz.
Washing the vehicle and cleaning the
paintwork
Automatic car wash
GWARNING
Braking efficiency is reduced after washing
the vehicle. There isarisk of an accident.
After the vehicle has been washed, brake
carefully while paying attention to the traffic
conditions until full brakingpower is restored.
!If DISTRONIC PLUS or the HOLD function
is activated, the vehicle brakes
automatically in certain situations. To
preventdamage to thevehicle,deactivate
DISTRONICPLUS and the HOLD function in
the following or other similar situations:
Rwhen towing the vehicle
Rin the car wash
!Never clean yourvehicle inaTouchless
Automatic Car Wash as these use special
cleaningagents.These cleaning agents can
damage the paintwork or plastic parts.
!Make sure that:
Rthe side windows and the sliding sunroof
are fully closed.
Rthe ventilation/heating is switched off
(the OFF button has been pressed).
Rthe windshield wiper switch is in position
0.
Otherwise, the vehicle might be damaged.
!In car washes withatowing mechanism,
make sure that the automatic transmission
is in transmission positionN,otherwise the
vehicle could be damaged.
RVehicles withaSmartKey:
Care311
Maintenance and care
Z

Beforehandling the battery,touch the vehicle
bodytoremove any existing electrostatic
build-up.
The highly flammable gasmixture forms when
charging the battery as well as whenjump-
starting.
Always makesure that neither you northe
battery is electrostatically charged.Abuild-
up of electrostaticcharge can be caused, for
example:
Rby wearing clothing made from synthetic
fibers
Rdue to friction between clothing and seats
Rif you push or pull the battery across the
carpet or other synthetic materials
Rif you wipe the battery withacloth
GWARNING
During the charging process,abattery
produces hydrogen gas. Ifashort circuit
occurs or sparks are created, the hydrogen
gas can ignite. There isarisk of an explosion.
RMake sure that the positive terminal of a
connected battery does not come into
contact with vehicle parts.
RNever place metal objectsortools on a
battery.
RIt is important that you observe the
described order of the battery terminals
when connecting and disconnecting a
battery.
RWhen jump-starting, make sure that the
battery poles with identical polarity are
connected.
RIt is particularly important to observe the
described order when connecting and
disconnecting the jumper cables.
RNever connect or disconnectthe battery
terminals while the engine is running.
GWARNING
Batteryacid is caustic. There isarisk of injury.
Avoid contact with the skin, eyes or clothing.
Do not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash battery acid immediately with
water and seek medical attention.
HEnvironmental note
Batteries contain dangerous
substances. It is against the
law to dispose of them with
the household rubbish. They
must be collected separately
and recycled to protect the
environment.
Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries toaqualified
specialist workshop or a
special collection point for
used batteries.
!Have the battery checked regularly at a
qualified specialist workshop.
Observe the service intervals in the
MaintenanceBooklet or contactaqualified
specialist workshop for more information.
!You should have all work involving the
battery carried out ataqualified specialist
workshop. In theexceptional casethatitis
necessaryfor you to disconnect thebattery
yourself, makesure that:
Ryou switch off theengineand remove the
SmartKey. On vehicles withKEYLESS-
GO, ensure that theignition is switched
off.Check that all the indicator lamps in
the instrumentcluster are off.Otherwise,
electroniccomponents, such as the
alternator,may be damaged.
Ryou first remove the negative terminal
clamp and then the positive terminal
clamp. Never swap the terminal clamps.
Otherwise, the vehicle's electronic
system may be damaged.
Rthe transmission is locked in positionP
after disconnectingthe battery. The
vehicle is secured against rolling away.
You can then no longer move the vehicle.
Battery (vehicle)323
Breakdown assistance
Z