2014 MERCEDES-BENZ CLS warning

General notes
An emergency call is dialed automatically if
an air bag or Emergency Tensioning Device is
triggered.
iYou cannot end an automatically
triggered emergency call yourself.
An emergency call can alsobeinitiated
manually.
As soon as the emergency call has been
initiated, the indicator lamp in the SOS button
flashes. The multifunction display shows the
Connecting Callmessage.
The audio outputismuted.
Once the connection has been made, the
Call Connectedmessage appears in the
multifunction display.
All important information on the emergency
is transmitted, for example:
RCurrent location of the vehicle (as
determined by the GPS system)
RVehicle identification number
RInformation on the severity of the accident
Shortly after the emergency call has been
initiated,avoice connection is automatically
established between the Mercedes-Benz
Customer Assistance Center and the vehicle
occupants.
RIf the vehicle occupants respond, the
Mercedes-Benz Customer Assistance
Center attempts to get more information
on the emergency.
RIf there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle.
If no voice connection can be established to
the response center, the system was unable
to initiate an emergency call. This can occur
for instance if the relevant mobile phone
network is not available. The indicator lamp
in the SOS button flashes continuously.
TheCall Failedmessage appears in the
multifunction displayand must be confirmed.
In this case, summon assistance by other
means.
Making an emergency call
GWARNING
It can be dangerous to remain in the vehicle,
even if you have pressed the SOS button in an
emergency if:
Ryou see smoke inside or outside of the
vehicle, e.g. if there isafire after an
accident
Rthe vehicle is onadangerous section of
road
Rthe vehicle is not visible or cannot easilybe
seen by other road users, particularly when
dark or in poor visibility conditions
There isarisk of an accident and injury.
Leave the vehicle immediately in this or
similar situations as soon as it is safe to do
so. Move toasafe location along with other
vehicle occupants. In such situations, secure
the vehicle in accordance with national
regulations, e. g. withawarning triangle.
XTo initiate an emergency call
manually:press coverbriefly to open.
XPress SOS buttonbriefly.
The indicator lamp in SOS button
flashes until the emergency call is
concluded.
XWait foravoice connection to the
Mercedes-Benz Customer Assistance
Center.
XAfter the emergency call, close cover.
iIf the mobile phone network is
unavailable, mbrace will not be able to
make the emergency call. If you leave the
292Features
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

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.
Features303
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

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

Do not remove the SmartKeyfromthe
ignition lock. Do not open the driver's
door or front-passengerdoor when the
engine is switched off. Otherwise, the
automatic transmission selects park
positionPautomatically and locks the
wheels. You can prevent this by shifting
the automatic transmission toN
beforehand.
RVehicles with KEYLESS-GO:
Do not open the driver's door or front-
passenger door when the engine is
switched off. Otherwise, the automatic
transmission selects park positionP
automatically and locks the wheels.
Observe the following to make sure that the
automatic transmission stays in positionN:
XMake sure the vehicle is stationary and the
ignition is switched off.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
Use the SmartKey instead of the Start/
Stop button on vehicles with KEYLESS-GO.
XDepress and hold the brake pedal.
XShift the automatic transmission to
positionN.
XRelease the brake pedal.
XRelease the electric parking brake.
XSwitch off the ignition and leave the
SmartKey in the ignition lock.
You can wash the vehicle in an automatic car
wash from the very start.
If the vehicle is very dirty, pre-wash it before
cleaning it in an automatic car wash.
After using an automatic car wash, wipe off
wax from the windshield and the wiper
blades. This will prevent smears and reduce
wiping noises caused by residue on the
windshield.
Washing by hand
In some countries, washing by hand is only
allowedatspecially equipped washing bays.
Observe the legal requirements in all
countries concerned.
XDo not use hot water and do not wash the
vehicle in direct sunlight.
XUseasoft sponge to clean.
XUseamild cleaning agent, such asacar
shampoo approved by Mercedes-Benz.
XThoroughly hose down the vehicle with a
gentle jet of water.
XDo not point the water jet directly towards
the air inlet.
XUse plenty of water and rinse out the
sponge frequently.
XRinse the vehicle with clean water and dry
thoroughly withachamois.
XDo not let the cleaning agent dry on the
paintwork.
When using the vehicle in winter, remove all
traces of road salt deposits carefully and as
soon as possible.
Power washers
GWARNING
The water jet fromacircular jet nozzle (dirt
blasters) can cause invisible exterior damage
to the tires or chassis components.
Componentsdamaged in this way may fail
unexpectedly. There isarisk of an accident.
Do not use power washers with circular jet
nozzles to clean the vehicle. Have damaged
tires or chassis components replaced
immediately.
!Always maintainadistance of at least
11.8in(30 cm) between the vehicleand the
powerwasher nozzle. Information about
thecorrectdistanceisavailablefromthe
equipmentmanufacturer.
Movethepower washernozzle around
when cleaning your vehicle.
Do not aim directly at any of the following:
Rtires
Rdoor gaps, roof gaps, joints, etc.
Relectrical components
312Care
Maintenance and care