engine coolant MERCEDES-BENZ C-Class COUPE 2017 CL205 Owner's Manual

Centrallocking
Locking/unlockin g(SmartKey) ........ 74
Changing bulbs
High-beam headlamps .................. .115
Low-beam headlamps .................... 115
Turn signals (front) ......................... 115
Changing the media source ............. 208
Charge-air pressure (on-board
computer, Mercedes-AMG vehi-
cles) .................................................... 216
Child
Restraint system .............................. 58
Child seat
Forward-facing restraint system ...... 61
LATCH-typ e(ISOFIX) chil dseat
anchors ............................................ 59
On the front-passenger seat. ........... 60
Rearward-facing restraint system .... 60
Top Tether ....................................... 59
Children
Specia lsea tb eltr etractor ............... 57
Cigarette lighter ................................ 275
Cleaning
Mirror turn signal ........................... 296
Climate control
Control panel for dual-zone auto-
mati cclimate control ..................... 121
Controlling automaticall y............... 123
Cooling with ai rdehumidifica tion .. 123
Cooling with ai rdehumidifica tion
(multimedia system) ...................... 263
Defrosting the window s................. 125
Defrosting the windshield .............. 124
ECO start/stop function (3-zone
automatic climate control )............. 122
Genera lnotes ................................ 120
Indicato rlam p................................ 123
Ionization ....................................... 128
Ionization (multimedia system) ...... 263
Note sonu sing the automatic cli-
mate control .................................. 121
Overview ........................................ 262
Overview of systems ...................... 120
Perfum eatomize r.......................... 126
Perfum eatomize r(multimedia
system) .......................................... 263
Problem with the rea rwindow
defroster ........................................ 126 Problems with cooling with air
dehumidification
............................ 123
R

efrigerant ..................................... 348
Refrigerant filling capacity ............. 349
Setting the ai rdistribution ............. 124
Setting the ai rvents ...................... 128
Setting the airflow ......................... 124
Setting the climate mod e(multi-
media system) ............................... 263
Setting the temperature ................ 124
Switching air-recirculation mode
on/of f............................................ 126
Switching on/of f........................... 122
Switching the rea rwindow
defroster on/of f............................ 125
Switching the synchronization
function on and off ........................ 124
Synchronization function (multi-
media system) ............................... 263
Climate controls ettings
Multimedia system ........................ 262
Climate controls ystem
Climate control (3-zone automatic
climate control )............................. 122
Cockpit
Overview .......................................... 33
COLLISIO NPREVENTION ASSIST
PLUS
Activating/deactivating ................. 212
Displa ymessage ............................ 225
Operation/note s.............................. 64
COMAND display
Cleaning ......................................... 297
Combination switch .......................... 111
Connecting aUSB device
see also Digital Operator's Man-
ua l.................................................. 258
Consumptions tatistics (on-board
computer) .......................................... 205
Controller ........................................... 259
Convenience closin gfeature .............. 88
Convenience opening feature ............ 88
Coolant (engine)
Checking the level ......................... 290
Displa ymessage ............................ 232
Filling capacity ............................... 348
Important safety notes .................. 347
6Index

Sensors (cleaning instructions).......296
Service menu (on-board com-
puter) ..................................................2 11
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 347
Coolant (engine) ............................ 347
Engine oil ....................................... 346
Fuel ................................................ 344
Important safety notes .................. 344
Refrigerant (air-conditioning sys-
tem) ............................................... 348
Washer fluid ................................... 348
Settin gthe date/time format
see also Digita lOperator's Man-
ua l..................................................2 58
Settin gthe language
see also Digita lOperator's Man-
ua l..................................................2 58
Settin gthe time
see also Digita lOperator's Man-
ua l..................................................2 58
Settings
Factory (on-board computer) ......... 215
On-board computer ....................... 211
SETUP (on-board computer) ............. 216
Side impact air bag .............................4 8
Side marker lamp (display mes-
sage) ................................................... 231
Side windows
Cleaning ......................................... 295
Conveniencec losing feature ............ 88
Convenienceo pening feature ..........8 8
Important safety information ........... 87
Opening/closing .............................. 87
Problem( malfunction) .....................9 0
Resettin g......................................... 89
Reversin gfeature ............................ .87
SIRIUS services
see also Digital Operator's Man-
ual .................................................. 258
Sliding sunroof
Opening/closing .............................. 91
Resetting ... ...................................... 92
see Panorama roof with power
tilt/sliding panel SmartKey
Changing the bat
tery ....................... 77
Changing the programming .............7 6
Checkin gthe battery ...................... .77
Convenience closingf eature ............ 89
Convenience opening feature .......... 88
Display message ............................ 245
Door central locking/unlocking ...... .74
Important safety notes .................... 74
KEYLESS-GO start function .............. 76
Loss .................................................7 9
Mechanical key ................................ 76
Overview .......................................... 74
Positions (ignition lock) ................. 131
Problem (malfunction) ..................... 79
Starting the engine ........................ 133
Smartphone
Starting the engine ........................ 134
SMS
see also Digital Operator's Man-
ual .................................................. 258
Snow chains ...................................... 319
Socket (12 V)
Center console .............................. 276
General notes ................................ 276
Rear compartment. ........................276
Sound
Switching on/off ........................... 259
Special seat bel tretractor .................. 57
Specialist workshop ............................ 29
Speed, controlling
see Cruise control
Speedometer
Activating/deactivating the addi-
tional speedometer ........................ 215
Digita l............................................ 205
In the Instrument cluster ................. 34
Segments ...................................... 200
Sel

ecting the displa yunit ...............2 15
SPORT handling mode
Deactivating/activating
(Mercedes-AMG vehicles) ................ 68
Warning lamp ................................. 251
Sports exhaus tsystem
see AMG sports exhaust system
Standin glamps
Display message ............................ 231
Switching on/off ........................... 111
Index17

Start/Stop buttonStarting the engine ........................ 133
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 133
STEER CONTROL ..................................7 2
Steering
Display message ............................2 45
Warning lamps ............................... 257
Steering Assist and Stop&Go Pilot
(DISTRONI CPLUS)
Display message ............................ 240
Steering assistant STEE RCON-
TROL
see STEER CONTROL
Steering wheel
Adjusting (electrically). .................. 104
Adjusting (manually). ..................... 103
Butto noverview ............................... 35
Buttons (on-board computer) ......... 201
Cleaning ......................................... 297
EASY ENTRY/EXI Tfeature ............. 105
Important safety notes .................. 103
Steering wheelh eating .................. 104
Storing settings (memory func-
tion) ............................................... 109
Steering whee lheating
Problem (malfunction) ................... 105
Switching on/of f........................... 104
Steering whee lpaddle shifters ........ 146
Stopwatch (RACETIMER) ................... 217
Stowag eareas ................................... 268
Stowag ecom partments
Armrest (under )............................. 269
Center console .............................. 269
Cu ph olders ................................... 274
Door ............................................... 270
Eyeglasses compartment ............... 269
Glove box ....................................... 269
Important safety information ......... 268
Mapp ockets .................................. 270
Stowag enet ................................... 270
see Stowag eareas
Stowag enet....................................... 270
Stowag ewellb enea th the trunk
floor .................................................... 273 Summert
ires
In winter ........................................ 318
Sun visor ............................................ 274
Suspension setting
AIRMATIC. ..................................... 173
AMG adaptive sport suspension
system ........................................... 173
Suspension settings
SETUP (on-board computer) .......... 216
Switchin gair-recirculatio nmode
on/o ff
................................................. 126
Sw

itchin gonm ediam ode
Via the device list .......................... 266
T
Tachometer ........................................ 201
Tail lamps
Displa ymessage ............................ 231
see Lights
Tank content
Fuelgauge ....................................... 34
Technical data
Capacities ...................................... 344
Information .................................... 342
Tires/wheels ................................. 340
Vehicl edata. .................................. 349
Telephone
Accepting acall( multifunction
steering wheel) .............................. 210
Authorizing amobilephone (con-
necting) ......................................... 265
Connecting amobilephone (gen-
era linformation) ............................ 265
Displa ymessage ............................ 245
Introduction ................................... 210
Menu (on-board computer) ............ 210
Numbe rfrom the phone boo k........ 210
Redialing ........................................ 211
Rejecting/ending acall. ................ 210
see also Digital Operator's Man-
ua l.................................................. 258
Switching between mobile
phones ........................................... 266
Temperature
Coolant (displa yinthe instrument
cluster) .......................................... 201
18Index

Type identificationplate
see Vehicl eide ntificatio nplate
U
Unlocking
Emergency unlocking ....................... 82
From insid ethe vehicl e(central
unlocking button) ............................. 81
US Bd evices
Connecting to the Media Inter-
face ...............................................2 67
V
Vanity mirror (in the sun visor)........275
Vehicle
Correct use ...................................... 29
Data acquisition ............................... 30
Display message ............................ 243
Equipment ....................................... 26
Individua lsettings .......................... 211
Limited Warranty .............................3 0
Loading .......................................... 326
Locking (in an emergency) ............... 82
Locking (SmartKey) .......................... 74
Lowering ........................................ 340
Maintenance .................................... 27
Operating safety .............................. 28
Parking .......................................... 152
Parking for along period. ............... 155
Pulling awa y................................... 134
Raising ........................................... 337
Reporting problems ......................... 29
Securing from rolling away ............ 336
Towing away .................................. 310
Transporting .................................. 312
Unlocking (i nanemergency) ........... 82
Unlocking (SmartKey )...................... 74
Vehicl edata. .................................. 349
Vehicl edata
Roof load (maximum) ..................... 349
Trunk load (maximum) ................... 349
Vehicl edimensions ........................... 349
Vehicl eemergencyl ocking ................ 82
Vehicl eidentificatio nnumber
see VIN
Vehicl eidentificatio nplate .............. 343 Vehicl
elevel
AIRMATIC. ..................................... 172
Displa ymessage ............................ 236
Vehicl etoolkit.................................. 300
Video
Operating the DVD ......................... 209
see also Digital Operator's Man-
ual.................................................. 258
VIN
Seat. .............................................. 344
Type plate ...................................... 343
Voice ControlS ystem
see Separate operating instructionsW
Warning and indicator lamps ABS ................................................ 249
Brakes ........................................... 248
Check Engine ................................. 252
Coolant .......................................... 253
Distance warning ........................... 255
ESP
®.............................................. 249
ESP®OFF ....................................... 251
Fue ltank ........................................ 252
Genera lnotes ................................ 246
Overview .......................................... 34
Parking brake ................................ 252
PASSENGER AIR BAG ...................... 42
Reserve fue l................................... 252
Restraint system ............................ 252
Seatb elt. ....................................... 247
SPOR Thandling mod e................... 251
Steering ......................................... 257
Tire pressure monitor .................... 256
Warranty .............................................. 26
Washer fluid
Displa ymessage ............................ 245
Wheel and tire combinations
Tires ............................................... 340
Wheel bolt tightenin gtorque ........... 340
Wheel chock ...................................... 336
Wheels
Changing awheel .......................... 335
Checking ........................................ 317
Cleaning ......................................... 295
Important safety notes .................. 316
Information on driving .................... 316
Index21

Problems with the engine
ProblemPossible causes/consequences andMSolutions
The engine does not
start. The starter motor
can be heard.RThere isamalfunction in the engine electronics.
RThere is amalfunction in the fuel supply.
Before attempting to start the engine again:
XTurn the SmartKey back to position 0in the ignition lock.
or
XPress the Start/Stop button repeatedly until all indicator lamps in
the instrumentc luster go out.
XTry to start the engine again (Ypage 133). Avoid excessively long
and frequent attemptstos tart the engine as these will drain the
battery.
If the engine does not start after several attempts:
XConsult aqualified 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-start the vehicle (Ypage 308).
If the engine does not start despite attempt stojump-start it:
XConsult aqualified specialist workshop.
The starter motor was exposed to athermal load that was too high.
XTry to start the engine again (Ypage 133).
If the engine still does not start:
XConsult aqualified specialist workshop.
The engine is not running
smoothly and is misfir-
ing.There is amalfunction in the engine electronics or in amechanical
componentoft he engine management system.
XOnly depress the accelerator pedal slightly.
Otherwise, non-combusted fuel may get into the catalytic converter
and damage it.
XHave the cause rectified immediately at aqualified specialist work-
shop.
The coolant temperature
gauge shows avalue
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 290). Observe the warning notes
as you do so and add coolant if necessary.
138Driving
Driving and parking

Tachometer
!
Do not drive in the overrevving range ,asthis
could damage the engine.
The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupte dtoprotect the
engine when the red band is reached.
Outside temperature display
Yo us houl dpayspecial attentio ntoroadc ondi-
tions when temperatures ar earound freezing
point.
Bea rinm indt hatt he outside temperatur edis-
play indicates the temperatur emeasured and
does not record the roa dtemperature.
The outside temperatur edisplay is in the multi-
functio ndisplay (
Ypage 202).
Changes in the outside temperatur earedis-
played after ashort delay.
Coolant temperature display
GWARNING
Opening the hoo dwhent he engine is over-
heate dorw hent here is afireint he engine
compartment could expose yo utohot gases
or othe rservic eproducts. There is arisko f
injury.
Let an overheate dengine coo ldow nb efore
opening the hood. If there is afireint he
engine compartment, kee pthe hoo dclosed
and contact the fir edepart ment.
!Adisplay message is shown if the coolant
temperatur eistoo high.
If the coolant temperatur eisover2 48 ‡
(12 0† ),do not continue driving. The engine
will otherwis ebedamaged .
The coolant temperatur edisplay is in the lower
sectio nofthe tachometer (
Ypage 34).
Under normal operating conditions and with the
specifie dcoolant level ,the coolant temperature
mayr iseto2 48‡(120† ).
Operatin gthe on-board computer
:Multifunctio ndisplay
;Right contro lpan el
=Lef tcontro lpan el
XTo activate the on-board computer: turn
the SmartKeytop osition1in the ignition lock.
Yo uc an contro lthe multifunctio ndisplay and
the settings in the on-board compute rusing the
buttons on the multifunctio nsteerin gwheel .
Left contro lpanel
òROpens the menu list
9
:Press briefly:
RScrolls in lists
RSelects amenu or function
RIn the RadioorMediamenu:
opens the track or statio nlista nd
selects astation, an audi otrack or
av ideo scene
RIn the Telephonemenu:switches
to the phone book and selects a
nam eorat elephon enumber
9
:Press and hold:
RScrolls quickl ythroug halllists
RIn the RadioorMediamenu:
selects astation, audi otrack or
video scene using rapi dscrolling
RIn the Telephonemenu:starts
rapi dscrolling if the phone book is
open
Displays an doperation201
On-boa rd computera nd displays
Z

Display messagesPossible causes/consequences andMSolutions
Adaptive HighbeamAssist InoperativeAdaptive HighbeamAssistisf aulty.
XVisit aqualified specialist workshop .
Adaptive HighbeamAssist CurrentlyUnavailable SeeOperator'sManual
Adaptive Highbea mAssistisd eactivated and temporarily inoperative.
Possibl ecauses are:
Rthew indshield in th ecamera' sfield of vision is dirty.
Rvisibilit yisimpaire ddue to heav yrain ,sno worf og.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,the
Adaptive
HighbeamAssistNowAvailablemessage is displayed.
Adaptive Highbea mAssistiso perational again .
Engine
Display messagesPossible causes/consequences and MSolutions
+
CheckCoolantLevelSee Operator' sMan‐ual
The coolan tlevel is to olow.
!Avoid making lon gjou rneys wit htoo littl ecoolan tint heengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAddc oolant, observing th ewarning note sbefore doin gso
(Ypage 290).
If you have to ad dcoolant frequently:
XContac taqualified specialist workshop and hav ethe engin ecooling
system checked.
?The fan motor is faulty.
XAt coolan ttem peratures belo w248‡(120 †), drive to the nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainou sterrai nand stop-and-go traffic.
232Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
?
CoolantToo HotStopVehicl eTurnEngine Off
The coolan tistoohot .
Aw arning tone also sounds.
GWARNIN G
Do no tdrive when your engin eisoverheated. This can caus esom e
fluids whic hmay hav eleaked int othe engin ecom partmen ttocatch
fire.
Steam from th eoverheate denginec an also caus eserious burn swhich
can occur jus tbyopening th ehood.
There is ariskofi njury.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 152).
XWait until th eengineh as cooled down .
XMakesuret hatthe air supply to th eenginer adiato risnotblocked,
e.g. by snow, slus horice.
XDo no tstart th eenginea gain until th edisplay message goe sout and
th ec oolan ttem perature is belo w248‡(120† ). Otherwise ,the
engin ecould be damaged.
XPay attention to th ecoolan ttem perature display.
If th etemperatur eincreases again:
XVisit aqualified specialist workshop immediately.
Under normal operating condition sand wit hthe specified coolan t
level, th ecoolan ttem perature may ris eto2 48 ‡(120† ).
#
See Operator' sMan‐ual
The battery is no tbein gcharged.
Aw arning tone also sounds.
Possibl ecauses are:
Rad efective alternato r
Ratornp oly-V-belt
Ram alfunction in th eelectronics
!Do no tcontinue driving. The engin ecould otherwise overheat.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 152).
XConsult aqualified specialist workshop .
Display messages233
On-boardc omputer andd isplays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
8NThe yellow reserve fuel warning lamp flashes while the vehicleisinm otion.
In addition, the ;Check Engine warning lamp may light up.
The fuel filler cap is not closed correctly or the fuel system is leaking.
XCheck that the fuel filler cap is correctly closed.
XIf the fuel filler cap is not correctly closed: close the fuel filler cap.
XIf the fuel filler cap is closed:visitaqualified specialist workshop.
?NThe red coolant warning lamp lights up while the engine is running and the
coolant temperature gauge is at the start of the scale.
The temperature sensor for the coolant temperature gage is defective.
The coolant temperature is no longer being monitored .There is arisk of engine
damage if the coolant temperature is too high.
XPul lover and stop the vehicles afelyand switch off the engine, paying attention
to road and traffic conditions. Do not continue driving under any circumstances.
XSecure the vehiclea gainst rolling away(Ypage152).
XConsult aqualified specialist workshop.
Warning and indicator lamps in the instrument cluster253
On-board computer and displays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
?NThe red coolant warning lamp comes on while the engine is running.
The coolant leve listoo low.
If the coolant leve liscorrect, 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 cooleds ufficiently.
XObserve the additionaldisplay messages in the multifunction display.
XPul lover and stop the vehicles afelyand switch off the engine, paying attention
to road and traffic conditions.
XSecure the vehiclea gainst rolling away(Ypage152).
XLeave the vehiclea nd keepasafe distance from the vehicleu ntil the engine has
cooledd own.
XCheck the coolant leve land add coolant, observing the warning notes
(Ypag e290).
XIf you have to add coolant frequently, have the engine cooling system checked.
XMake sure that the air supply to the engine radiator is not blocked ,e.g. by snow,
slush or ice.
XDo not start the engine again until the coolant temperature is below 248 ‡
(120 †). Otherwise, the engine coul dbedamaged.
XDrive to the neares tqualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-and-go traffic.
?NThe red coolant warning lamp comes on while the engine is running. Awarning
tone als osounds.
The coolant temperature has exceeded2 48‡(120 †). The airflow to the engine
radiator may be blocked or the coolant leve lmay be too low.
GWARNING
The engine is not being cooleds ufficiently and may be damaged.
Do not drive whe nyoure ngine is overheated. This can cause some fluids which
may have leaked into the engine compartment to catch fire.
Steam from the overheated engine can also cause serious burns which can occur
just by opening the hood.
There is arisk of injury.
XObserve the additiona ldisplaym essages in the multifunction display.
XPullover and stop the vehicle safely and switch off the engine, paying attention
to road and traffic conditions.
XSecure the vehicle against rolling away (Ypag e152).
XLeav ethe vehicle and keep asafe distance from the vehicle until the engine has
coole ddown.
XCheck the coolant leve land add coolant, observing the warning notes
(Ypag e290).
XIf you have to add coolant frequently, have the engine cooling system checked.
XMake sure that the ai rsupply to the engine radiator is not blocked, e.g. by snow,
slush or ice.
254Warning and indicator lamps in the instrument cluster
On-board computer and displays