radiator MERCEDES-BENZ CLS-Class 2014 W218 Owner's Manual

Active Driving Assistance package
Genera lnotes The Active Drivin
gAssistance package
consist sofDISTRONICPLUS(Ypage 177),
Active Blind Spot Assis t(Y page 211) and
Active Lan eKeepin gAssist( Ypage 214).
Active Blind Spot Assist Genera
lnotes
Active Blind Spot Assis tuses aradar sensor
system, pointed toward the rear of the
vehicle, to monitor the area to the sides of the
vehicle which the driver is unable to see. A
warning displayint he exterior mirrors draws
your attention to vehicles detected in the
monitored area. If you then switch on the
corresponding turn signal to change lane, you
will also receive an optical and audible
warning. If arisk of lateral collision is
detected, corrective braking may help you
avoid acollision. Before acourse-correcting
brake application, Active Blind Spot Assist
evaluates the space in the direction of travel
and at the sides of the vehicle. For this, Active
Blind Spot Assist uses radar sensors which
are pointed in the direction of travel.
Active Blind Spot Assist supports you from a
speed of approximately 20 mph (30 km/h).
For Active Blind Spot Assist to assist you
when driving, the radar sensor system must
be:
R activated(Y page 232)
R operational
Important safety notes
Active Blind Spot Assist is only an aid and is
not asubstitute for attentive driving. G
WARNING
Active Blind Spot Assist does not react to:
R vehicles overtaken too closely on the side,
placing them in the blind spot area
R vehicles which approach with alarge speed
differential and overtak eyour vehicle As
aresult, Active Blind Spot Assist may
neither give warnings nor intervene in such
situations. There is arisk of an accident.
Always observe the traffic conditions
carefully, and maintain asafe lateral distance.
i USA only:
This device has been approved by the FCC
as a"Vehicular RadarS ystem". The radar
sensor is intended fo ruse in an automotive
radar system only. Removing, tampering
with, or altering the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada only: This device complies with
RSS-210ofI ndustry Canada.O peration is
subject to the following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Removal, tampering, or altering of the
device will void any warranties, and is not
permitted. Do not tamper with, alter, or use
in any non-approved way.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
Radars ensors
The Active Blind Spot Assist radar sensors are
integrated into the front and rear bumpers
and behind acover in the radiator grill. Make
sure that the bumpers and the cover in the
radiator grill are free of dirt, ice or slush. The
rear sensors must not be covered, for
example by cycle racks or overhanging cargo.
Following asevere impact or in the event of
damage to the bumpers, have the function of
the radar sensors checked at aqualified Driving systems
211Driving and parking Z

Active Lan
eKeeping Assist Genera
lnotes Active Lan
eKeepin gAssistm onitor sthe area
in front of your vehicle by means of
camera 001Aat the top of the windshield. Active
Lane Keeping Assist detect slane markings on
th er oad and warn syou before you leave your
lane unintentionally. If you do no treact to the
warning, alane-correctinga pplication of the
brakes can bring the vehicle back intot he
original lane.
If you have chosen the function DisplayUnit Speed-/Odometer: (Y
page 229)a nd
selected the display unit km in the on-board
computer, Active Lane Keeping Assist
supports you from aspeed of 60 km/h. If
miles is selected as the display unit, the
assistanc erange begins at 40 mph.
For Active Lane Keeping Assist to assist you
when driving, the radar sensor system must
be operational.
Important safet ynotes
If you fail to adapt your driving style, Active
Lane Keeping Assist can neither reduce the
risk of acciden tnor override the laws of
physics. Active Lane Keeping Assist cannot
take into account road, weather or traffic
conditions. It cannot detect possible road and
traffic conditions. Active Lane Keeping Assist
is only an aid. You are responsible for the
distance to the vehicle in front,f or vehicle
speed, for braking in good time and for
staying in your lane. Active Lane Keeping Assist cannot
continuously keep your vehicle in its lane. G
WARNING
Active Lane Keeping Assist cannot always
clearly detect lane markings.
In such cases, Active Lane Keeping Assist
can:
R give an unnecessary warning and then
make acourse-correcting brake application
to the vehicle
R not give awarning or intervene
There is arisk of an accident.
Always pay particular attention to the traffic
situation and keep within the lane, especially
if Active Lane Keeping Assist alerts you.
Terminate the intervention in anon-critical
driving situation.
The system may be impaired or may not
function if:
R there is poor visibility, e.g. due to
insufficient illumination of the road, or due
to snow, rain, fog or spray
R there is glare, e.g. from oncoming traffic,
the sun or reflections (e.g. when the road
surface is wet)
R the windshield is dirty, fogged up, damaged
or covered, for instance by asticker, in the
vicinit yofthe camera
R the radar sensors in the front or rear
bumper or in the radiator grill are dirty, e.g.
due to snow
R there are no, several or unclear lane
markings for alane, e.g. in areas with road
construction work
R the lane markings are worn away,d ark or
covered up, e.g. by dirt or snow
R the distance to the vehicle in front is too
small and the lane markings thus cannot be
detected
R the lane markings change quickly, e.g.
lanes branch off, cross one another or
merge 214
Driving systemsDriving and parking

Display messages Possible causes/consequences and
000B Solutions
0002
Check Brake Pad
Wear The brak
epads/lining shaver eached their wear limit.
X Visit aqualified specialist workshop. 0003
mbrace Inoperative On
eorm orem ain features of th embrace system are
malfunctioning.
X Hav ethe mbrace system checke dimmediately at aqualified
specialist workshop. PRE-SAFE
Inoperative See
Operator'
sManual Importan
tfunction sofPRE-SAFE ®
have failed .All other occupant
safet ysystems, e.g. air bags, remain available.
X Visit aqualified specialist workshop immediately. PRE-SAFE
Functions
Currentl
yLimited See Operator's
Manual PRE-SAFE
®
Brake is temporarily inoperative.
Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
station sorother sources of electromagnetic radiation.
R AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE ®
Brake is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions.
X Secure the vehicle against rollin gaway (Y page 167).
X Clean the sensors in the radiator grill and the bumper
(Y page 315).
X Restar tthe engine.
X AMG vehicles: reactivate ESP ®
(Y page 70). PRE-SAFE
Functions Limited
See Operator's
Manual PRE-SAFE
®
Brake is inoperative due to amalfunction. BAS PLUS
or the distance warning signal may also have failed.
X Visit aqualified specialist workshop. Display messages
241On-board computer and displays Z

Display messages Possible causes/consequences and
000B Solutions
0017
Coolan
tToo Hot Sto
pV ehicl eTurn Engine Off The coolan
tistoo hot.
Aw arning tone also sounds.
G WARNING
Do no tdrive when youre ngine is overheated. Thi scan caus esome
fluids whic hmay have leaked int othe engin ecom partmen tto
catch fire.
Stea mfrom the overheated engine can alsoc auseserious burns
which can occur just by opening the hood.
There is arisk of injury.
X Pullo ver and stop the vehicl esafel yand switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicl eagainst rolling away (Y page167).
X Waitu ntil the engine ha scoole ddown.
X Make sure tha tthe air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the displaym essage goes out
and the coolant temperature is below 248 ‡(120 †).
Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit aqualified specialist
workshop immediately.
Under normal operating conditionsa nd with the specified coolant
level, the coolant temperature may rise to 248 ‡(120 †). Display messages
249On-board computer and displays Z

Display messages Possible causes/consequences and
000B Solutions
DISTRONIC PLUS
Currently
Unavailable See
Operator'
sManual DISTRONIC PLU
Sistemporarily inoperative.
Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
When th ecauses state dabov enol onger apply, th edisplay
message disappears.
DISTRONI Cisoperational again.
If th edisplay message does no tdisappear:
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions.
X Secure the vehicle against rollin gaway (Y page 167).
X Clean the sensors in the radiator grill and the bumper
(Y page 315).
X Restar tthe engine. DISTRONIC PLUS
Inoperative DISTRONIC PLUS is defective.
The following may have also failed:
R
BAS PLUS (Brake Assist System PLUS)
R PRE-SAFE ®
Brake
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. DISTRONIC PLUS
Suspended You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS
---m
ph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation condition sfor DISTRONIC PLUS
(Y page 177). 256
Display messagesOn-boar
dcomputer and displays

Problem Possible causes/consequences and
000B Solutions
0017
The red coolant
warning lamp comes on
while the engine is
running.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator
may be blocked or the electric engine radiator fan may be
malfunctioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X
Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).
X Leave the vehicle and keep asafe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant, observing the warning
notes (Y page 308).
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the coolant temperature is
under 248 ‡(120 †). Otherwise ,the engine coul dbedamaged.
X Drive to the nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainou sterrain, and stop-and-go traffic. 0017
The red coolant
warning lamp comes on
while the engine is
running.
Awarning tone
also sounds. The coolant temperature has exceeded 248
‡(120 †). The
airflow to the engine radiator may be blocked or the coolant level
may be too low.
G WARNING
The engine is not being coole dsufficiently and may be damaged.
Do not drive whe nyour engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catchf ire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is arisk of injury.
X Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).274
Indicator and warning lampsint
he instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
000B Solutions
X
Leave the vehicle and keep asafe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant, observing the warning
notes (Y page 308).
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X At coolant temperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainou sterrain, and stop-and-go traffic. Driving systems
Problem Possible causes/consequencesa
nd000B Solutions
0008
The red distance
warning lamp lights up
while the vehicle is in
motion.
The distance to the vehicle in front is too smal
lfor the speed
selected.
X Increase the distance. 0008
The red distance
warning lamp lights up
while the vehicle is in
motion
.Awarning tone
also sounds. You are approaching
avehicle or astationary obstacle in your line
of travel at too high aspeed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on PRE-SAFE ®
Brake (Y page 72). Indicator and warning lampsint
he instrument cluster
275On-board computer and displays Z

Useful information
i This 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 not ethat your vehicle may
not be equipped with all features
described. This also applies to safety-
related system sand functions.
i Read the information on qualified
specialist workshops: (Y page 26).Engine compartment
Hood
Important safet ynotes G
WARNING
If the hood is unlatched, it may open up when
the vehicle is in motion and block your view.
There is arisk of an accident.
Never unlatc hthe hood while driving. G
WARNING
When openin gand closin gthe hood, it may
suddenly fall int othe closed position .There is
ar isk 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. G
WARNING
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
poses arisk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following. G
WARNING
Opening the hood when the engine is
overheated or when there is afire in the
engine compartmentc ould 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 is afire in the
engine compartment, keep the hood closed
and contact the fire department. G
WARNING
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
is ar isk of injury.
If you need to do any work inside the engine
compartment,
R switch off the ignition
R never reach into the area where there is a
risk of danger from moving components,
such as the fan rotation area
R keep clothin gaway from moving parts G
WARNING
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 is arisk of
injury.
Never touch components of the ignition
system or fuel injection system when the
ignition is switched on.
Opening the hood G
WARNING
When the hood is open and the windshield
wipers are set in motion ,you can be injured
by the wiper linkage. There is arisk of injury.
Always switch off the windshield wipers and
the ignition before opening the hood. 306
Engine compartmentMaintenance and care

Windshield washe
rsyste mand
headlamp cleaning system
Important safety notes G
WARNING
Windshiel dwasher concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust syste mit
could ignite. There is ariskoff ire and injury.
Make sure that no windshield washer
concentrate is spilled nex ttothe filler neck.
! Only use washer fluid that is suitable for
plastic lamp lenses, e.g. MB SummerFit or
MB WinterFit. Unsuitable washer fluid
could damage the plastic lenses of the
headlamps.
! Do not add distilled or de-ionized water to
the washer fluid container. Otherwise, the
level sensor may be damaged.
! Only MB SummerFit and MB WinterFit
washer fluid should be mixed together. The
spray nozzles may otherwise become
blocked.
Comply with the importan tsafet ynotes for
servic eproduct swhen handlin gwasher fluid
(Y page 373).
At temperatures abov efreezing:
X Fill th ewashe rfluid reservoir with amixture
of water and windshield washer fluid, e.g.
MB SummerFit.
Add 1part MB SummerFit to 100 part swater. At temperatures below freezing:
X
Fill th ewashe rfluid reservoir with amixture
of water and washer fluid, e.g. MB
WinterFit.
Adapt the mixing ratio to the outside
temperature.
R Down to 14 ‡(002210 †): mix 1part MB
WinterFit to 2partsw ater.
R Down to 00224‡(002220 †): mix 1part MB
WinterFit to 1part water.
R Down to 002220.2‡(002229 †): mix 2partsMB
WinterFit to 1part water.
i Add windshield washer fluid, e.g. MB
SummerFit or MB WinterFit, to the washer
fluid all year round. Climate control system refrigerant
Important safety notes Typ
eofr efrigerant
The climate control system of your vehicle is
The instruction label regarding the refrigerant
type used can be foun donthe radiator cross
member.
Refrigerant R-134a !
Only the refrigeran tR-134a and the PAG
oil approved by Mercedes-Ben zmay be
used. The approved PA Goil may no tbe
mixed with any other PAG oil that is not
approved for R-134a refrigerant.
Otherwise, the climate control system may
be damaged.
Service work, such as topping-u prefrigerant
or replacing components, may only be carried
out by aqualified specialist workshop .All
applicable regulations must be adhered to,
SA Es tandard J639 included.
Always have work on the climate control
system carried out at aqualified specialist
workshop. 378
Service products and filling capacitiesTechnica
ldata
filled with refrigerant sR-134a.