coolant temperature MERCEDES-BENZ S-COUPE 2016 Owners Manual

Defrosting the windows ................. 141
Defrosting the windshield .............. 141
ECO start/stop function ................ 137
General notes ................................ 136
Indicator lamp ................................ 139
Ionization ....................................... 146
Notes on using the automatic cli-
mate control .................................. 137
Overview of systems ...................... 136
Perfume atomizer .......................... 144
Problem with the rear window
defroster ........................................ 143
Problems with cooling with air
dehumidification ............................ 139
Refrigerant ..................................... 405
Refrigerant filling capacity ............. 406
Setting the air distribution ............. 140
Setting the air vents ...................... 146
Setting the airflow ......................... 141
Setting the climate mode ............... 140
Setting the temperature ................ 140
Switching air-recirculation mode
on/off ............................................ 143
Switching on/off ........................... 138
Switching residual heat on/off ...... 143
Switching the rear window
defroster on/off ............................ 142
Switching the synchronization
function on and off ........................ 141
Climate control system
Climate control .............................. 138
Cockpit
Overview .......................................... 32
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................. 245
Display message ............................ 259
Operation/notes .............................. 70
COMAND display
Cleaning ......................................... 337
Combination switch .......................... 126
Consumption statistics (on-board
computer) .......................................... 236
Convenience closing feature .............. 99
Convenience opening feature ............ 99
Coolant (engine)
Checking the level ......................... 328
Display message ............................ 268 Filling capacity ............................... 405
Important safety notes .................. 404
Temperature gauge ........................ 231
Warning lamp ................................. 294
Coolbox .............................................. 308
C

ooling
see Climate control
Copyright ............................................. 29
Cornering light function
Display message ............................ 265
Function/notes ............................. 127
Crash-responsive emergency light-
ing ....................................................... 130
Crosswind Assist (vehicles with
MAGIC BODY CONTROL) ................... 194
Crosswind Assist (vehicles with-
out MAGIC BODY CONTROL) ............... 74
Cruise control
Calling up the speed last stored .... 180
Cruise control lever ....................... 180
Deactivating ................................... 181
Display message ............................ 278
Driving system ............................... 179
Function/notes ............................. 179
General notes ................................ 179
Important safety notes .................. 179
Setting a speed .............................. 181
Storing and maintaining current
speed ............................................. 180
Cup holder
Center console .............................. 304
Important safety notes .................. 304
Rear compartment ......................... 305
Customer Assistance Center
(CAC) ..................................................... 27
Customer Relations Department ....... 27
D
Data
see Technical data
Data carrier
Selecting ........................................ 240
Daytime running lamps
Display message ............................ 267
Function/notes ............................. 124
Switching on/off (on-board com-
puter) ............................................. 248
Index7

Button overview ............................... 35
Buttons (on-board computer) ......... 231
Cleaning .........................................338
EASY ENTRY/EXIT feature ............. 116
Important safety notes .................. 114
Paddle shifters ............................... 163
Steering wheel heating .................. 115
Storing settings (memory func-
tion) ............................................... 121
Steering wheel heating
Problem (malfunction) ................... 116
Switching on/off ........................... 115
Steering wheel paddle shifters ........163
Stop&Go Pilot
see DISTRONIC PLUS
Stowage areas ................................... 300
Stowage compartments
Armrest (under) .............................3 02
Center console .............................. 301
Center console in rear compart-
ment .............................................. 302
Cup holders ................................... 304
Door ............................................... 302
Eyeglasses compartment ...............3 01
Glove box ....................................... 301
Important safety information ......... 300
Rear ............................................... 302
Rear seat backrest ......................... 302
Stowage net ................................... 303
see Stowage areas
Stowage net ....................................... 303
Stowage space
Parcel net retainers ....................... 303
Securing a load .............................. 303
Stowage well beneath the trunk
floor .................................................... 303
Summer tires
In winter ........................................ 364
Sun visor ............................................ 305
Suspension tuning
Active Body Control ABC ...............1 95
AIRMATIC ...................................... 198
SETUP (on-board computer) .......... 250
Switching air-recirculation mode
on/off ................................................. 143T
Tachometer ........................................ 230
Tail lamps
Display message ............................ 266
see Lights
Tank content
Fuel gauge ....................................... 33
Technical data
Capacities ...................................... 400
Information ....................................3 98
Tires/wheels ................................. 388
Vehicle data ................................... 406
Telephone
Accepting a call (multifunction
steering wheel) .............................. 242
Display message ............................ 283
Introduction ................................... 241
Menu (on-board computer) ............ 241
Number from the phone book ........2 42
Redialing ........................................ 243
Rejecting/ending a call ................. 242
Temperature
Coolant .......................................... 231
Engine oil (on-board computer,
Mercedes-AMG vehicles) ...............2 49
Outside temperature ......................2 31
Setting (climate control) ................ 140
Transmission oil (on-board com-
puter, Mercedes-AMG vehicles) ..... 249
Tire pressure
Calling up (on-board computer) ..... 369
Checking manually ........................ 368
Display message ............................ 279
Maximum ....................................... 368
Not reached (TIREFIT) .................... 346
Notes ............................................. 367
Reached (TIREFIT) .......................... 346
Recommended ............................... 365
Tire pressure monitor
Checking the tire pressure elec-
tronically ........................................ 370
Function/notes .............................3 69
General notes ................................ 369
Important safety notes .................. 369
Radio type approval for the tire
pressure monitor ........................... 372
Restarting ...................................... 371
18Index

Instrument cluster
Displays
FunctionPage
:Speedometer
;Multifunction display232
=Tachometer230
?Coolant temperature231
FunctionPage
AFuel gauge
Fuel filler flap location ind i-
cator 8: the fuel filler
cap ison the right-hand
side.
iIn formation on displaying the outside
temperature inthe multifunction display
can befound under "Outside temperature
disp lay" (
Ypage 231).
Instrument cluster33
At a glance

The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protect the
engine when the red band is reached.
Outside temperature display
You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
Bear in mind that the outside temperature
display indicates the temperature measured
and does not record the road temperature.
The outside temperature display is in the mul-
tifunction display (
Ypage 232).
There is a short delay before a change in out-
side temperature is shown in the multifunc-
tion display.
Coolant temperature display
GWARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could 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 a fire in the
engine compartment, keep the hood closed
and contact the fire department.
!A display message is shown if the coolant
temperature is too high.
If the coolant temperature is above 257 ‡
(125 †) do not drive any further. The
engine will otherwise be damaged.
The coolant temperature gauge is in the lower
section of the tachometer (
Ypage 33).
Under normal operating conditions and with
the specified coolant level, the coolant tem-
perature may rise to 255 ‡ (124 †).
Operating the on-board computer
:Multifunction display
;Right control panel
=Left control panel
XTo activate the on-board computer: turn
the SmartKey to position 1in the ignition
lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel.
Left control panel
òROpens the menu list
9
:Press briefly:
RScrolls in lists
RSelects a menu or function
RIn the RadioorMediamenu:
opens the track or station list
and selects a station, an audio
track or a video scene
RIn the Telephonemenu:
switches to the phone book and
selects a name or a telephone
number
Displays and operation231
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
b
SwitchOnHeadlamps
You are drivingwit hlow-beam headlamp sswitched off.
XTur nth eligh tswitch to position LorÃ.
Adaptive Highbeam
AssistPlu sInoper ‐
ative
Adaptive Highbeam Assis tPlus is faulty.
XVisit aqualified specialist workshop .
Adaptive Highbeam
Assist PlusCur ‐
rentlyUnavailable
SeeOperator' sMan‐
ual
Adaptive Highbeam Assis tPlus is deactivated and temporarily
inoperative. Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive
HighbeamAssistPlu sAvailableAgainmessage
is displayed.
Adaptive Highbeam Assis tPlus is operational again .
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See Opera‐
tor's Manual
The coolantlevel is to olow.
!Avoid makin glon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observin gth ewarnin gnote sbefore doin gso
(
Ypage 328).
XIf you need to add coolan tmor eofte nthan usual, hav eth e
engin ecoolan tsystem checke dat aqualified specialist work-
shop.
?The fan motor is faulty.
XAt coolan ttemperatures belo w25 7 ‡ (125†), drive to th e
neares tqualified specialist workshop .
XAvoid subjecting theengin eto heav yloads ,e.g. drivin gin moun-
tainous terrain ,and stop-and-g otraffic.
268Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
?
CoolantToo Hot
Sto pVehicl eTur n
Engine Off
The coolan tis to ohot .
A warnin gtone also sounds.
GWARNIN G
Do notdrive when your engin eis overheated. This can caus esom e
fluids whic hmay hav eleaked into th eengin ecompartmen tto
catch fire.
Steam from th eoverheated engin ecan also caus eserious burn s
whic hcan occur jus tby openin gth ehood.
There is aris kof injury.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 170).
XWait until th eengin ehas cooled down .
XMakesur ethat th eair supply to th eengin eradiato ris no t
blocked, e.g. by snow, slus hor ice .
XDo no tstart th eengin eagain until th edisplay message goe sout
and th ecoolan ttemperature is belo w25 7 ‡ (125†). Other -
wise ,th eengin ecould be damaged.
XPay attention to th ecoolan ttemperature display.
XIf th etemperature increase sagain ,visit aqualified specialist
workshop immediately.
Under normal operating condition sand wit hth especified coolan t
level, th ecoolan ttemperature may ris eto 25 5 ‡(124†).
#
SeeOperator' sMan‐
ual
The battery is no tbein gcharged.
A warnin gtone also sounds.
Possibl ecauses are:
Radefective alternato r
Ratorn poly-V-belt
Ramalfunction in th eelectronics
!Do no tcontinue driving. The engin ecould otherwise overheat .
XPull overand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 170).
XConsult aqualified specialist workshop .
Display messages269
On-board computer and displays
Z

Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
?NThe red coolant warning lamp lights up while the engine is running and the
coolant temperature gage is at the start of the bar display.
The temperature sensor for the coolant temperature gage is defective.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
XPull over and stop the vehicle safely and switch off the engine, paying
attention to road and traffic conditions. Do not continue driving under any
circumstances.
XSecure the vehicle against rolling away (Ypage 170).
XConsult a qualified specialist workshop.
294Warning and indicator lamps in the instrument cluster
On-board computer and displays

Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
?NThe 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.
XObserve the additional display messages in the multifunction display.
XPull over and stop the vehicle safely and switch off the engine, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 170).
XLeave the vehicle and keep a safe distance from the vehicle until the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning notes
(
Ypage 328).
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 257 ‡
(125 †). Otherwise, the engine could be damaged.
XDrive to the nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in mountainous
terrain, and stop-and-go traffic.
?N The red coolant warning lamp comes on while the engine is running. A
warning tone also sounds.
The coolant temperature has exceeded 255 ‡ (124 †). The airflow to the
engine radiator may be blocked or the coolant level may be too low.
GWARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive when your engine 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 a risk of injury.
XObserve the additional display messages in the multifunction display.
XPull over and stop the vehicle safely and switch off the engine, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 170).
Warning and indicator lamps in the instrument cluster295
On-board computer and displays
Z

Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
XLeave the vehicle and keep a safe distance from the vehicle until the engine
has cooled down.
XCheck the coolant level and add coolant, observing the warning notes
(
Ypage 328).
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.
XAt coolant temperatures below 257 ‡(125 †), you can continue driving to
the nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in mountainous
terrain, and stop-and-go traffic.
Driving systems
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
·NThe red distance warning lamp lights up while the vehicle is in motion. A
warning tone also sounds.
You are approaching a vehicle, a pedestrian or a stationary obstacle in your
line of travel at too high a speed.
XBe prepared to brake immediately.
XPay careful attention to the traffic situation. You may have to brake or take
evasive action.
Further information on PRE ‑SAFE
®Brake (Ypage 75).
For further information about the distance warning function of COLLISION
PREVENTION ASSIST PLUS, see (
Ypage 71).
296Warning and indicator lamps in the instrument cluster
On-board computer and displays

opening the cap, you could be scalded by hot
coolant spraying out. There is a risk of injury.Let the engine cool down before opening the
cap. Wear eye and hand protection when
opening the cap. Open the cap slowly half a
turn to allow pressure to escape.
XPark the vehicle on a level surface.
Only check the coolant level when the vehi-
cle is on a level surface and the engine has
cooled down.
XTurn the SmartKey to position 2in the igni-
tion lock (
Ypage 151).
or
XPress Start/Stop button twice
(
Ypage 151).
XCheck the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158 ‡ (70 †).
XTurn the SmartKey to position
0 (
Ypage 151) in the ignition lock.
or
XRemove Start/Stop button from ignition
lock (
Ypage 151).
XSlowly turn cap :half a turn counter-
clockwise and allow excess pressure to
escape.
XTurn cap :further 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 filler
neck when warm, there is enough coolant
in expansion tank ;.
XIf necessary, add coolant that has been tes-
ted and approved by Mercedes-Benz.
XReplace cap:and turn it clockwise as far
as it will go.
For further information on coolant, see
(
Ypage 404).
Adding washer fluid to the windshield
washer system
GWARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and touch only the components described in the
following.
GWARNING
Windshield washer concentrate could ignite if it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
XTo open: pull cap:upwards by the tab.
XPlace cap :on the edge of the filler neck
and engage in place.
Engine compartment329
Maintenance and care
Z