coolant temperature MERCEDES-BENZ CLS 2010 Owners Manual

Chrome-plated exhaust tip,
cleaning
.............................................. 221
Cigarette lighter ................................ 163
Climate control system
4-zone automatic climate control
.. 143
Air conditioning ............................. 146
Air conditioning refrigerant ............ 298
Air distribution ............................... 149
Air recirculation mode ................... 150
Air volume ..................................... 149
Automatic mode ............................ 146
Deactivating system ......................145
Front defroster .............................. 149
Maximum cooling MAX COOL ........150
Residual heat and ventilation ......... 151
Temperature .................................. 147
Clock ..................................................... 28
Cockpit ................................................. 27
Cold tire inflation pressure ..............206
Collapsible tire (spare wheel) ..........296
Collapsible wheel chock ...................225
COMAND system see separate COMAND system
operating instructions
Combination switch ............................89
Control system .................................. 110
Multifunction display .....................111
Multifunction steering wheel ......... 110
Resetting to factory settings .......... 118
Control system menus ...................... 112
AMG ............................................... 113
Audio/DVD .................................... 116
Distronic ........................................ 117
Navigation ..................................... 117
Settings ......................................... 118
Standard display ............................ 112
Telephone ...................................... 125
Trip computer ................................ 124
Vehicle status message memory ...117
Control system submenus
Convenience .................................. 124
Instrument cluster .........................119
Lighting .......................................... 121
Vehicle ........................................... 123
Convenience submenu
Easy-entry/exit feature .................. 124 Coolant

Anticorrosion/antifreeze ...............301
Capacities ...................................... 297
Checking level ............................... 180
Messages in the multifunction
display ........................................... 243
Warning lamp ................................. 257
Corner-illuminating front fog
lamps .................................................... 91
Cruise control .................................... 127
Activating ....................................... 128
Canceling ....................................... 128
Changing the set speed .................129
Last stored speed .......................... 129
Lever .............................................. 128
Messages in the multifunction
display ........................................... 233
Resume function ............................ 129
Setting current speed .................... 128
Cup holders ........................................ 160
Curb weight ....................................... 206
Customer Assistance Center (CAC) ...22
Customer Relations Department .......22 D
Dashboard see Instrument cluster


Data recording ..................................... 22
Daytime running lamp mode ..............88
Switching on or off ......................... 121
Deep water
see Standing water
Defogging (windshield) .....................150
Defroster Front (Climate control system) ......149
Rear window .................................. 151
Delayed shut-off
Exterior lamps ................................ 122
Interior lighting .............................. 123
Department of Transportation
see DOT
Difficulties
While driving .................................... 99
With starting .................................... 98
Digital speedometer .........................113
Dimensions (vehicle) see Vehicle specification 6
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Technical data (engine)
see Vehicle specification
Technical data (weights)
see Vehicle specification
Tele Aid ............................................... 164
Emergency calls ............................. 165
Information button .........................167
Initiating an emergency call
manually ........................................ 166
Messages in the multifunction
display ........................................... 240
Remote door unlock ...................... 168
Roadside Assistance button .......... 166
Search & Send ............................... 168
SOS button .................................... 166
Stolen Vehicle Recovery Services .. 169
System self-test ............................. 165
Telephone ............................................. 29
Answering/ending a call ................ 126
Hands-free microphone ...................33
Menu ............................................. 125
Operation ....................................... 125
Phone book .................................... 126
Redialing ........................................ 127
Temperature
Coolant .......................................... 109
Interior temperature ......................147
Outside .................................. 113, 120
Tether anchorage points
see Children in the vehicle
Tie-down hooks ................................. 157
Tightening torque Wheels ........................................... 277
TIN (Tire Identification Number) ...... 207
Tire and Loading Information
placard ............................................... 193
Tire and loading terminology ...........205
Tire Identification Number see TIN
Tire inflation pressure
Checking ........................................ 185
Important notes on ........................ 184
Label on the inside of fuel filler
flap ................................................ 185
Placard on driver’s door B-pillar ..... 193
Tire labeling ....................................... 201
Tire load rating .................................. 206Tire ply composition and material
used ....................................................
207
Tire pressure loss warning system .
186
Tire Pressure Monitoring System
(TPMS) ................................................ 188
Messages in the multifunction
display ................................... 236, 250
Tires ........................................... 182, 291
Advanced Tire Pressure
Monitoring System (Advanced
TPMS) ............................................ 190
Air pressure ................................... 183
Care and maintenance ................... 198
Cleaning ......................................... 199
Direction of rotation, spinning .......197
Important notes on tire inflation
pressure ........................................ 184
Inflation pressure ........................... 185
Information placard ....................... 193
Inspection ...................................... 198
Labeling ......................................... 201
Load index ............................. 202, 206
Load rating .................................... 206
Messages in the multifunction
display ................................... 235, 250
MOExtended .................................. 292
Ply composition and material
used ............................................... 207
Problems under-/overinflation ...... 185
Retreads ........................................ 182
Rims and tires (technical data) ...... 291
Rotation ......................................... 200
Service life ..................................... 198
Sizes .............................................. 291
Snow chains .................................. 208
Speed rating .......................... 203, 207
Storing ........................................... 199
Temperature .......................... 184, 200
Terminology ................................... 205
Tire Identification Number ............. 207
Tire pressure loss warning system . 186
Tire Pressure Monitoring System
(TPMS) ........................................... 188
TPMS low tire pressure/
malfunction telltale ........................ 259
Traction ................................. 199, 207
Tread ............................................. 207
Tread depth ........................... 198, 20816
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Instrument cluster
Function Page
:
# Left turn signal
indicator lamp
;
d ESP
®
warning lamp 255
=
Speedometer
?
Multifunction display 111
A
· Distance warning
lamp
2 256
B
! Right turn signal
indicator lamp
C
Coolant temperature
indicator
109
? Coolant temperature
warning lamp
257
D
Tachometer with:
+ Supplemental
Restraint System (SRS)
indicator lamp
254 Function Page
! Antilock Brake
System (ABS) indicator
lamp
252
7 Seat belt telltale
253
K High-beam headlamp
indicator lamp
89
L Low-beam headlamp
indicator lamp
87
E
Main odometer with:
Transmission position
indicator
103
Program mode 105
F
Clock with:
$ Brake warning lamp,
USA only
252
J Brake warning lamp,
Canada only
252
= Engine malfunction
indicator lamp, USA only
257
2
Vehicles without Distronic: Warning lamp without function. It illuminates when the ignition is on. It should
go out when the engine is running. 28
Instrument clusterAt a glance
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X
Give very little gas.
X Have the problem checked at an authorized
Mercedes-Benz
Center as soon as possible.
The coolant temperature is above
248‡
(120†) The coolant is too hot and is no longer cooling
the engine.
X
Stop the vehicle in a safe location as soon
as possible.
X Turn off the engine immediately.
X Allow the engine and coolant to cool off.
X Check the coolant level and add coolant if
necessary ( Y page 180).
In case of accident If the vehicle is leaking fuel:
X
Do not start the engine under any
circumstances.
X Exit the vehicle at a safe distance from the
roadway.
X Notify local fire and/or police authorities.
If the extent of the damage cannot be
determined:
X Contact an authorized Mercedes-Benz
Center or call Roadside Assistance.
If no damage on major assemblies, fuel
system, and engine mount can be
determined:
X Start the engine in the usual manner. Parking
G
Warning!
Do not park this vehicle in areas where
combustible materials such as grass, hay or
leaves can come into contact with the hot
exhaust system. These materials could be
ignited and cause a vehicle fire. Vehicle movement may result in serious
personal injury or damage to the vehicle or
vehicle drivetrain. Therefore, always do the
following before turning off the engine and
leaving the vehicle:
R
Keep right foot on the brake pedal.
R Engage the parking brake.
R Shift the automatic transmission into park
position P.
R Slowly release the brake pedal.
R When

parked on an incline, always turn the
front wheels towards the road curb.
R Turn the SmartKey in the starter switch to
position 0 and remove the SmartKey from
the starter switch, or press the KEYLESS-
GO start/stop button.
R Take the SmartKey with you and lock the
vehicle when leaving. G
Warning!
Vehicles with AIRMATIC:
If you have selected the Comfort suspension
tuning, the vehicle lowers slightly when you
lock

it within approximately 60 seconds after
turning off the engine. You should therefore
make sure that no one is standing near the
wheel arches or lying underneath the vehicle
when it is being locked. Otherwise, personal
injury could result.
Also, make sure your vehicle cannot come
into contact with objects, such as a road curb,
while lowering. Your vehicle could otherwise
be damaged.
Parking brake G
Warning!
Engaging the parking brake while the vehicle
is
in motion can cause the rear wheels to lock
up. You could lose control of the vehicle and
cause an accident. In addition, the vehicle’s
brake lights do not light up when the parking
brake is engaged. 100
Driving and parking
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G
Warning!
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see
information about your driving conditions,
such as
R speed
R outside temperature
R warning/indicator lamps
R malfunction/warning messages
R failure of any systems
Driving characteristics may be impaired.
If you must continue to drive, do so with added
caution. Contact an authorized Mercedes-
Benz Center as soon as possible. :
Reset button
For information on changing the instrument
cluster settings, e.g. the language, see
(Y page 119). Activating the instrument cluster
The instrument cluster is activated when you
R open a front door
R switch on the ignition
R press reset button :
R switch on the exterior lamps Adjusting the instrument cluster
illumination
X To brighten illumination: Turn reset
button : clockwise until the desired level
of illumination is reached.
X To dim illumination: Turn reset
button : counterclockwise until the
desired level of illumination is reached.
i The instrument cluster illumination is
dimmed or brightened automatically to suit
ambient light conditions.
The instrument cluster illumination will also
be adjusted automatically when you switch
on the vehicle’s exterior lamps. Coolant temperature indicator
G
Warning!
Driving when your engine is overheated can
cause some fluids which may have leaked into
the engine compartment to catch fire. You
could be seriously burned.
Steam from an overheated engine can cause
serious burns which can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until
the engine has cooled down.
During severe operating conditions, e.g. stop-
and-go traffic, the coolant temperature may
rise close to 248‡ (120†).
! Excessive coolant temperature triggers a
warning in the multifunction display and the
red coolant temperature warning
lamp ? in the instrument cluster comes
on.
The engine should not be operated with a
coolant temperature above 248‡ (120†).
Doing so may cause serious engine damage
which is not covered by the Mercedes-Benz
Limited Warranty. Instrument cluster
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The indicator lamp in button
g is not lit
when the air recirculation mode is switched
on automatically.
A quantity of outside air is added after
approximately 30 minutes.
X Deactivating: Press button g again.
The indicator lamp in the button goes out.
i The manually selected air recirculation
mode is deactivated automatically:
R after 5 minutes if the outside
temperature is below approximately
41‡ (5†)
R after 5 minutes if the air conditioning is
turned off
R after 30 minutes if the outside
temperature is above approximately
41‡ (5†) Residual heat and ventilation
This feature is only available in Canada
vehicles.
With the engine turned off, it is possible to
continue to heat or ventilate the interior for
up to 30 minutes. This feature makes use of
the residual heat produced by the engine.
i If

you switch on the residual heat function
when outside temperatures are high, only
the ventilation will be switched on.
i Regardless of the selected air volume, the
blower operates at low speed.
i How long the system will provide heating
depends on the coolant temperature and
the selected temperature. The blower will
run at speed setting 1 regardless of the air
volume control setting.
X Activating: Switch off the ignition.
X Press button Ì.
The
indicator lamp in the button comes on. X
Deactivating: Press button Ì.
The indicator lamp in the button goes out.
The residual heat is deactivated
automatically:
R when the ignition is switched on
R after approximately 30 minutes
R if the battery voltage drops
R if the coolant temperature is too low Rear window defroster
G
Warning!
Any accumulation of snow and ice should be
removed
from the rear window before driving.
Visibility could otherwise be impaired,
endangering you and others.
The rear window defroster uses a large
amount of power. To keep the battery drain
to a minimum, switch off the defroster as
soon as the rear window is clear. The
defroster is switched off automatically after
some time of operation depending on the
outside temperature.
X Switch on the ignition.
X Switching on: Press button ¤ on the
respective climate control panel.
The

indicator lamp in the button comes on.
X Switching off: Press button ¤ again.
The rear window defroster switches off when
the battery voltage is too low. The indicator
lamp in button ¤ flashes. Too many
electrical consumers may be operating
simultaneously.
X Switch off consumers that are currently not
needed if required. Rear window defroster
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R
Washer system and headlamp cleaning
system (Y page 181)
R Brake fluid ( Y page 182) Engine compartment
Hood
G
Warning!
Do not pull the release lever while the vehicle
is in motion. Otherwise the hood could be
forced open by passing air flow.
This could cause the hood to come loose and
injure you and/or others.
Opening G
Warning!
If you see flames or smoke coming from the
engine compartment, or if the coolant
temperature indicator indicates that the
engine is overheated, do not open the hood.
Move away from vehicle and do not open the
hood until the engine has cooled. If necessary,
call the fire department. G
Warning!
You could be injured when the hood is open –
even when the engine is turned off.
Parts of the engine can become very hot. To
prevent burns, let the engine cool completely
before touching any components on the
vehicle. Comply with all relevant safety
precautions. G
Warning!
To help prevent personal injury, stay clear of
moving parts when the hood is open and the
engine is running.
The radiator fan may continue to run for
approximately 30 seconds or may even
restart after the engine has been turned off.
Stay clear of fan blades. G
Warning!
The engine is equipped with a transistorized
ignition system. Because of the high voltage
it is dangerous to touch any components
(ignition coils, spark plug sockets, diagnostic
socket) of the ignition system
R with the engine running
R while starting the engine
R when the ignition is switched on and the
engine is turned manually X
Pull hood lock release lever :.
The hood is unlocked.
! Never open the hood if the wiper arms are
folded forward away from the windshield.
Otherwise the windshield wipers or the
hood could be damaged. X
Push handle ; under the hood upwards.
X Pull up on the hood and then release it.
The hood will be held open at shoulder
height by gas-filled struts automatically. 178
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Closing
G
Warning!
When closing the hood, use extreme caution
not to catch hands or fingers. Be careful that
you do not close the hood on anyone.
Make sure the hood is securely engaged
before driving off. Do not continue driving if
the hood can no longer engage after an
accident, for example. The hood could
otherwise come loose while the vehicle is in
motion and injure you and/or others.
X Let the hood drop from a height of
approximately 8 in (20 cm).
X Check to make sure the hood is fully
closed.
If you can raise the hood at a point above
the headlamps, then it is not properly
closed. Open it again and let it drop with
somewhat greater force. Engine oil
The amount of oil your engine consumes will
depend on a number of factors, including
driving style. Increased oil consumption can
occur when the vehicle is new or the vehicle
is driven frequently at higher engine speeds.
Engine oil consumption checks should only
be made after the vehicle break-in period.
! Do not use any special lubricant additives,
as these may damage the drive assemblies.
Using special additives not approved by
Mercedes-Benz may cause damage not
covered by the Mercedes-Benz Limited
Warranty.
For further information contact an
authorized Mercedes-Benz Center.
Notes on checking engine oil level When checking the oil level
R
the vehicle must be parked on level ground
R with the engine at operating temperature,
the vehicle must have been stationary for at least 5 minutes with the engine turned
off
R with the engine not at operating
temperature, the vehicle must have been
stationary for at least 30 minutes with the
engine turned off
Checking engine oil level X
Open the hood (Y page 178). X
Pull out oil dipstick :.
X Wipe oil dipstick : clean.
X Slowly insert oil dipstick : fully into the
dipstick guide tube.
X Pull out oil dipstick : again after
approximately 3 seconds to obtain
accurate reading.
The oil level is correct when it is between
lower (min) mark = and upper (max)
mark ; of oil dipstick :.
i CLS 550:
The filling quantity between the upper and
lower marks on the oil dipstick is
approximately 2.1 US qt. (2.0 l).
i CLS 63 AMG:
The filling quantity between the upper and
lower marks on the oil dipstick is
approximately 1.6 US qt. (1.5 l).
X If necessary, add engine oil.
For more information on engine oil, see
“Fuels, coolants, lubricants etc.”
(Y page 296). Engine compartment
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For information on messages in the
multifunction display concerning engine oil,
see the “Practical hints” section
(Y page 246).
Adding engine oil
!
Only use approved engine oils and oil
filters required for vehicles with
Maintenance System. For a listing of
approved engine oils and oil filters, contact
an authorized Mercedes-Benz Center or
visit www.mbusa.com (USA only).
The following will result in engine or
emission control system damage not
covered by the Mercedes-Benz Limited
Warranty:
R Using engine oils and oil filters of
specification other than those expressly
required for the Maintenance System.
R Changing of oil and oil filter at change
intervals longer than those called for by
the Maintenance System.
R Using any oil additives. CLS 550 CLS 63 AMG
X
Unscrew filler cap : from filler neck.
X Add engine oil as required. Be careful not
to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.
! Excess oil must be siphoned or drained
off. It could cause damage to the engine
and emission control system not covered
by the Mercedes-Benz Limited Warranty.
X Screw filler cap : back on filler neck.
For more information on engine oil, see the
“Technical data” section ( Y page 296) and
(Y page 298). Transmission fluid level
The transmission fluid level does not need to
be checked. If you notice transmission fluid
loss or gearshifting malfunctions, have an
authorized Mercedes-Benz Center check the
transmission. Coolant level
The engine coolant is a mixture of water and
anticorrosion/antifreeze.
When checking the coolant level, the vehicle
must be parked on level ground, and the
coolant temperature must be below 158‡
(70†). 180
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G
Warning!
In order to avoid any potentially serious burns:
R Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system, or
if the coolant temperature indicator
indicates that the coolant is overheated.
R Do not remove the cap on the coolant
expansion tank if the coolant temperature
is above 158‡ (70†). Allow the engine to
cool down before removing the cap. The
coolant expansion tank contains hot fluid
and is under pressure.
R Using a rag, slowly open the cap
approximately 1
/ 2 turn counterclockwise
to relieve excess pressure. If opened
immediately, scalding hot fluid and steam
will be blown out under pressure.
R Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. X
Using a rag, slowly open cap :
approximately 1
/ 2 turn counterclockwise
to relieve excess pressure.
X Continue turning cap : counterclockwise
and remove it. The coolant level is correct if the level
R
for cold coolant: reaches marking bar
= in coolant expansion tank ;
R for warm coolant: is approximately 0.6 in
(1.5 cm) higher
X Add coolant as required.
X Screw cap : back on and tighten it.
For more information on coolant, see the
“Technical data” section ( Y page 297) and
(Y page 300). Washer system and headlamp
cleaning system
G
Warning!
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may
ignite and burn. You could be seriously
burned.
! Always use washer solvent/antifreeze
where temperatures may fall below
freezing point. Failure to do so could result
in damage to the washer system/fluid
reservoir.
! Only use washer fluid which is suitable for
plastic lenses. Improper washer fluid can
damage the plastic lenses of the
headlamps.
! Do not use distilled or deionized water in
the washer fluid reservoir. Otherwise, the
washer fluid level sensor could be
damaged.
Fluid for the washer system and the headlamp
cleaning system is supplied from the washer
fluid reservoir.
During all seasons, use MB Windshield
Washer Concentrate “MB SummerFit”. Mix it
with water or premixed washer solvent/
antifreeze depending on the ambient
temperature ( Y page 302). Engine compartment
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