2014 MERCEDES-BENZ CLS coolant temperature

Refrigerant .....................................378
Refrigerant filling capacity.............379
Setting the airdistribution.............138
Setting the airflow.........................139
Setting the airvents......................142
Setting the climate mode (AIR
FLOW)............................................137
Setting the temperature................138
Setting the temperature with 3-
zone automatic climate control.....138
Setting the temperature with dual-
zone automatic climate control.....138
Switching air-recirculation mode
on/off............................................141
Switching on/off...........................135
Switching residualheaton/off......141
Switching the rear window
defroster on/off............................140
Switching the ZONE function on/
off..................................................139
Cockpit
Overview..........................................30
see Instrument cluster
Collapsiblespare wheel
Inflating.........................................368
see Emergency spare wheel
COMAND
see separate operating instructions
COMAND display
Cleaning ......................................... 315
Combination switch..........................119
Compass
Calibrating.....................................303
Calling up ....................................... 302
Setting...........................................302
Consumptionstatistics(on-board
computer)..........................................222
Convenience closing feature..............90
Convenience opening feature............89
Coolant(engine)
Checkingthe level.........................308
Display message............................248
Filling capacity...............................377
Important safety notes..................377
Temperature (on-board computer).234
Temperature gauge ........................ 219
Warning lamp ................................. 273
Cooling
see Climate control
Copyright.............................................27
Corneringlight function
Display message............................245
Function/notes.............................121
Crash-responsive emergency
lighting...............................................124
Cruisecontrol
Activation conditions.....................176
Cruise control lever.......................176
Deactivating ................................... 177
Display message............................257
Driving system...............................175
Function/notes.............................175
Important safety notes..................175
Settingaspeed .............................. 177
Storing and maintaining current
speed ............................................. 176
Cup holder
Centerconsole..............................284
Center console in the rear
compartment.................................285
Important safety notes..................284
Rearcompartment.........................285
Customer AssistanceCenter (CAC)...26
Customer Relations Department.......26
D
Data
see Technical data
Daytime runninglamps
Display message............................247
Function/notes.............................117
Switching on/off (on-board
computer)......................................230
Declarations of conformity................. 25
Delayedswitch-off
Exteriorlighting (on-board
computer)......................................231
Interior lighting..............................232
Diagnosticsconnection......................25
Digital speedometer.........................223
DIRECT SELECTlever
see Automatic transmission
Index7

Stowagenet ................................... 281
Underdriver'sseat/front-
passenger seat..............................280
Stowage net.......................................281
Stowage space
Center console (rear).....................280
Stowage well beneath the trunk
floor....................................................283
Summer tires.....................................336
Sun visor............................................286
Surround lighting (on-board
computer)..........................................231
Suspensiontuning
AIRMATIC......................................190
AMG adaptive sport suspension
system...........................................191
SETUP (on-board computer)..........234
Switchingair-recirculation mode
on/off.................................................141
Switchingoff the alarm (ATA)............74
T
Tachometer........................................ 219
Tail lamps
Display message............................246
Tank content
Fuel gauge...............................31, 219
Technical data
Capacities......................................373
Emergency spare wheel.................370
Information....................................372
Tires/wheels.................................362
Vehicle data...................................379
TELEAID
Call priority....................................294
Downloading destinations
(COMAND).....................................294
Downloading routes.......................298
Emergency call..............................291
Geo fencing...................................298
Important safety notes..................290
Locatingastolen vehicle...............297
MB info call button........................293
Remote vehicle locking..................296
Roadside Assistance button..........293
Search&Send...............................295
Self-test.........................................291
Speed alert....................................298
System..........................................291
Triggering the vehicle alarm ........... 299
Vehicle remote malfunction
diagnosis.......................................297
Vehicle remote unlocking..............296
Telephone
Acceptingacall.............................226
Display message............................262
Menu (on-board computer)............226
Number from the phone book ........226
Redialing........................................227
Rejecting/endingacall.................226
Temperature
Coolant..........................................219
Coolant (on-board computer) ......... 234
Engine oil (on-board computer) ...... 234
Outside temperature ......................220
Setting (climate control)................138
Theft deterrentsystems
ATA (Anti-Theft Alarm system).........74
Immobilizer......................................73
Through-loading feature...................281
Timing (RACETIMER).........................235
Tire pressure
Calling up (on-board computer).....342
Checking manually........................341
Display message............................258
Maximum.......................................340
Notes.............................................339
Recommended ............................... 338
Tire pressure losswarning system
General notes................................341
Important safety notes..................341
Restarting......................................342
Tire pressure monitoring system
Checking the tire pressure
electronically.................................344
Function/notes.............................342
Restarting......................................345
Warning lamp ................................. 276
Warning message..........................344
Tires
Aspect ratio (definition).................356
Averageweight of the vehicle
occupants (definition)....................355
Bar (definition)...............................354
Changingawheel..........................357
Index17

Instrumentcluster
Displays
FunctionPage
Speedometer with
segments220
Multifunction display221
$Tachometer219
FunctionPage
!Coolant temperature219
Fuel gauge
iAdjust the instrumentcluster lighting
using the on-board computer
(Ypage 230).
Instrument cluster31
At ag lance

Problems with the engine
ProblemPossible causes/consequences andSolutions
The engine does not
start. The starter motor
can be heard.
RThere isamalfunction in the engine electronics.
RThere isamalfunction in the fuel supply.
XBefore attempting to start the engine again, turn the SmartKey
in the ignition back to position0or press the Start/Stop button
repeatedly until all indicator lamps in the instrumentcluster go
out.
XTry to start the engine again (Ypage 149). Avoid excessively
long and frequent attemptstostart the engine as these will drain
the battery.
If the engine does not start after several attempts:
XConsultaqualified specialist workshop.
The engine does not
start.You cannot hear
the starter motor.
The on-board voltage is too low because the battery is too weak
or discharged.
XJump-startthe vehicle (Ypage 326).
If the engine does not start despite attemptstojump-start it:
XConsultaqualified specialist workshop.
The starter motor was exposed toathermal load that was too high.
XAllow the starter motor to cool down for approximately two
minutes.
XTry to start the engine again.
If the engine still does not start:
XConsultaqualified specialist workshop.
The engine is not
running smoothly and
is misfiring.
There isamalfunction in the engine electronics or inamechanical
componentofthe engine management system.
XOnly depress the accelerator pedal slightly.
XHave the cause rectified immediately ataqualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it.
The coolant
temperature gauge
showsavalue above
248‡(120 †).
The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
XStop as soon as possible and allow the engine and the coolant
to cool down.
XCheck the coolant level (Ypage 308). Observe the warning
notes as you do so and add coolant if necessary.
154Driving
Driving and parking

Displaysandoperation
Instrument cluster
Speedometer withsegments (Ypage 220)
Multifunction display (Ypage 221)
$Tachometer (Ypage 219)
!Coolant temperature (Ypage 219)
Fuelgauge
Coolant temperaturedisplay
GWARNING
Opening thehoodwhen theengineis
overheated or when there isafireinthe
enginecompartmentcould 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.
!Adisplay message is shown if the coolant
temperature is too high.
If the coolanttemperature is over
248 ‡(120 †), do not continue driving. The
engine will otherwise be damaged.
The coolanttemperature gauge is in the
instrument cluster on the left-hand side
(Ypage 31).
Under normal operatingconditions and with
the specified coolant level, the coolant
temperature may rise to 248‡(120 †).
Tachometer
!Do not drive in the overrevving range, as
this could damage the engine.
The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protectthe
engine when the red band is reached.
Displays and operation219
On-board computer and displays
Z

mirrors willnot fold out automatically
(Ypage110).
You can then only fold out the exterior mirrors
using button.
Restoringthe factory settings
XPress the\norbutton on the
steering wheeltoselect theSett.menu.
XPress theorbutton to select the
Factory Settingsubmenu.
XPressto confirm.
TheReset All Settings?message
appears.
XPress theorbutton to select
NoorYes.
XPressto confirm the selection.
If you have selectedYes,the multifunction
display showsaconfirmation message.
For safety reasons, theDaytime Running
Lightsfunction in theLightssubmenu is
only reset if the vehicleisstationary.
AMG menu in AMG vehicles
AMG displays
Digital speedometer
Gear indicator
$Upshift indicator
!Engine oil temperature
Coolant temperature
%ECO start/stop function status indicator
(Ypage 151)
XPress the\norbutton on the
steering wheel to select theAMGmenu.
Upshift indicatorUP$indicates that the
engine has reached the overrevving range
when in the manual gearshift program.
Upshift indicatorUP$fades out other
messages until you have shifted up.
When the engine oil temperature is below
176‡(80 †) the oil temperature is shownin
blue. Avoid drivingatfull engineoutput during
this time.
SETUP
Driveprogram (C/SS+/M)
ESP®mode (ON/OFF)orSPORT handling
mode (SPORT)
$Suspension tuning(COMFORT/SPORT/
SPORT+)
SETUP shows the drive program, the ESP®
(Electronic Stability Program) mode and the
suspension tuning.
XPress the\norbutton on the
steering wheel to select theAMGmenu.
XPress thebutton repeatedly until
SETUP is displayed.
or
XBriefly press the AMG button on the center
console (Ypage 191).
234Menus and submenus
On-boar dc omputer and displays

Display messagesPossible causes/consequences andSolutions
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assistisfaulty.
XVisitaqualified specialist workshop.
Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
Rthe windshieldinthe camera's field of vision is dirty.
Rvisibility is impaired due to heavy rain, snow or fog.
XCleanthe windshield.
If the system detectsthat the camera is fully operational again,
theAdaptive Highbeam Assist Now Availablemessage is
displayed.
Adaptive Highbeam Assist is operational again.
Engine
Display messagesPossible causes/consequencesandSolutions

Check Coolant
Level See
Operator's Manual
The coolant level is too low.
!Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
XAdd coolant, observing the warning notes before doing so
(Ypage 308).
XIf coolant needs to be added more often than usual, have the
engine coolant system checked ataqualified specialist
workshop.
The fan motor is faulty.
XAt coolant temperatures below 248‡(120 †), drive to the
nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.
248Display messages
On-board computer and displays

Display messagesPossible causes/consequences andSolutions

CoolantToo Hot
StopVehicleTurn
Engine Off
The coolantistoo hot.
Awarning tone also sounds.
GWARNING
Do notdrive when yourengine is overheated. Thiscan causesome
fluids whichmay have leaked intotheenginecompartmentto
catch fire.
Steamfrom the overheated engine can alsocauseserious burns
which can occur just by opening the hood.
There isarisk of injury.
XPullover and stop the vehiclesafelyand switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicleagainst rolling away (Ypage167).
XWaituntil the engine hascooleddown.
XMake sure thatthe air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XDo not start the engine again until the displaymessage goes out
and the coolant temperature is below 248‡(120 †).
Otherwise, the engine could be damaged.
XPay attention to the coolant temperature display.
XIf the temperature increases again, visitaqualified specialist
workshop immediately.
Under normal operating conditionsand with the specified coolant
level, the coolant temperature may rise to 248‡(120 †).
Display messages249
On-board computer and displays
Z