2016 MERCEDES-BENZ SL ROADSTER coolant temperature

Problems with cooling with air
dehumidification ............................1
25
Setting the air distribution ............. 126
Setting the air vents ..................... .129
Setting the airflow ......................... 126
Setting the climate mode (AIR
FLOW) ............................................ 125
Setting the temperature ................ 125
Switching air-recirculation mode
on/off ............................................ 128
Switching on/off ........................... 124
Switching residual heat on/off ...... 129
Switching the rear window heat-
ing on/off ...................................... 127
Switching the ZONE function on/
off ................................................. .126
THERMOTRONIC (2-zone) auto-
matic climate control ..................... 123
Cockpit
Overview .......................................... 30
see Instrument cluster
Collapsible emergency spare
wheel
see Emergency spare wheel
COMAND Online
Driving dynamics display (except
Mercedes-AMG vehicles) ....... 175, 177
Driving dynamics display
(Mercedes-AMG vehicles) .............. 180
Switching on/off ........................... 253
Combination switch .......................... 115
Connecting a USB device
See also Digital Owner's Manual ... 253
Consumption statistics (on-board
computer) .......................................... 202
Controller .......................................... .254
Convenience closing feature .............. 91
Convenience opening/closing (air-
recirculation mode) ........................... 128
Coolant (engine)
Checking the level ......................... 279
Display message ............................ 229
Important safety notes .................. 325
Temperature (on-board computer,Mercedes-AMG vehicles) .............. .213
Temperature gauge ........................ 200
Warning lamp ................................. 249 Cooling
see Climate control
Copyright ............................................. 29
Cornering light function
Display message ............................ 228
Function/notes ............................ .116
Cruise control
Cruise control lever ....................... 160
Deactivating ................................... 161
Display message ............................ 236
Driving system ............................... 159
Important safety notes .................. 159
LIM indicator lamp ......................... 160
Selecting ........................................ 160
Setting a speed .............................. 161
Storing and maintaining current
speed ............................................. 160
Cup holder
Centre console .............................. 266
Important safety notes .................. 266 D
Data see Technical data
Data carrier
Selecting ........................................ 205
Data modem mode
Telephone with Bluetooth ®
(SAP
profile) .......................................... .259
Daytime driving lights
Display message ............................ 228
Function/notes ............................ .113
Switching on/off (on-board com-
puter) ............................................. 209
Dealership
see Qualified specialist workshop
Declarations of conformity ................. 25
Delayed switch-off
Exterior lighting (on-board com-
puter) ............................................. 210
Interior lighting .............................. 211
Diagnostics connection ......................27
Digital Owner's Manual
Help ................................................ .22
Introduction .....................................22
Digital speedometer .........................203 Index
7

Introduction ................................... 257
Saving/deleting the PIN for the
SIM card ........................................ 259
Settings .........................................2 59
SIM card mode .............................. 258
Text messages ............................... 260
Transferring the phone book .......... 259
Temperature
Coolant .......................................... 200
Coolant (on-board computer,
Mercedes-AMG vehicles) .............. .213
Engine oil (on-board computer,
Mercedes-AMG vehicles) .............. .213
Outside temperature ..................... .199
Setting (climate control) ................ 125
Transmission oil (on-board com-
puter, Mercedes-AMG vehicles) ..... 213
TEMPOMAT
Function/notes ............................ .159
Text messages
Telephone module with Blue-
tooth ®
(SAP profile) ....................... 260
Timing (RACETIMER) ......................... 213
TIREFIT kit .......................................... 290
Declaration of conformity ................ 26
Important safety notes .................. 290
Storage location ............................ 288
Tyre pressure not reached ............. 291
Tyre pressure reached ................... 292
Total distance recorder .................... 202
Tow-away protection
Activating ......................................... 75
Deactivating ..................................... 75
Function .......................................... .75
Tow-starting
Emergency engine starting ............ 301
Important safety notes .................. 298
Towing
Important safety notes .................. 298
Transporting the vehicle ................ 300
With the rear axle raised ................ 300
Towing away
Fitting the towing ey e.................... 299
Removing the towing eye ............... 299
With both axles on the ground ....... 300 Traffic Sign Assist
Activating/deactivating the warn-ing function .................................... 207
Display message ............................ 232
Function/note s............................. 191
Important safety notes .................. 192
Instrument cluster display ............. 192
Transmission
Selector lever ................................ 141
see Automatic transmission
Transmission position display ......... 142
Transporting the vehicle .................. 300
Trip computer (on-board com-
puter) .................................................. 202
Trip meter
Calling up ....................................... 202
Resetting (on-board computer) ...... 203
Turn signals
Switching on/of f........................... 115
TV
Operating (on-board computer) ..... 205
see Separate operating instructions
Two-way radio
Frequencies ................................... 320
Installation ..................................... 320
Transmission output (maximum) .... 320
Type identification plate
see Vehicle identification plate
Tyre changing tool kit ....................... 288
Tyre inflation compressor
see TIREFIT kit
Tyre pressure
Calling up (on-board computer) ..... 309
Display message ............................ 237
Not reached (TIREFIT) .................... 291
Reached (TIREFIT) .......................... 292
Recommended ............................... 307
Tyre pressure loss warning
General notes ................................ 308
Important safety notes .................. 309
Restarting ...................................... 309
Tyre pressure monitor
Checking the tyre pressure elec-
tronically ........................................ 310
Function/note s............................. 309
General notes ................................ 309
Important safety notes .................. 310 Index
19

Instrument cluster
i
Instrument cluster with speedometer
(km/h) Function Page
:
Speedometer with segments 199
Warning and indicator lamps:
!
Electric parking brake
(red) 248
!
Electric parking brake
(yellow) 248
J
Brakes (yellow) 245
·
Distance warning 251
å
ESP®
OFF 246
!
ABS 246
J
Brakes (red) 245
L
Dipped-beam head-
lamps 114
T
Side lamps 114
K
Main-beam headlamps 115
÷
ESP® 246
;
#!
Turn signals 115
=
Multifunction display 201 Function Page
?
Rev counter 199
Warning and indicator lamps:
M
SPORT handling mode
in Mercedes-AMG vehicles 248
R
Rear foglamp 114
N
This lamp has no func-
tion ;
Engine diagnostics 249
h
Tyre pressure monitor 252
6
Restraint system 40
ü
Seat belts 244
A
Coolant temperature gauge 200
Warning and indicator lamps:
?
Coolant 249
B
Fuel gauge display
Warning and indicator lamps:
8
Reserve fuel with fuel
filler cap location indicator
(right-hand side) 249
C
Instrument cluster lighting 199
Information on displaying the outside tempera-
ture in the multifunction display can be found
under "Outside temperature display"
(Y
page 199). 32
Instrument clusterAt a glance

Problem
Possible causes/consequences and
M
MSolutions The coolant temperature
display is showing more
than 120 †. The coolant warning lamp may also
be on and a warning tone
may sound. The coolant level is too low. The coolant is too hot and the engine is no
longer being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 279). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolant level is correct, the engine radiator fan may be faulty. The
coolant is too hot and the engine is no longer being cooled sufficiently.
X If the coolant temperature is below 120 †, you can continue driving
to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. DYNAMIC SELECT button (all vehicles
except Mercedes-AMG vehicles)
Use the DYNAMIC SELECT button to change the drive program. Depending on the drive program
selected, the following vehicle characteristics
will change:
R the drive (engine and transmission manage-
ment)
R the suspension
R the steering
R the curve tilting function (vehicles with Active
Body Control)
R the control thresholds of ESP ®
If the ignition is switched off for less than four
hours, the previously selected drive program is
activated when the engine is next started. If the ignition is switched off for more than four hours,
drive program Cis activated when the engine is
next started. X
Press DYNAMIC SELECT controller :as
many times as necessary until the desired
drive program is selected.
The selected drive program appears in the
multifunction display. After a short time the
display goes out and the status icon of the
selected drive program appears.
In addition, the current drive program settings are displayed briefly in the display of the mul-
timedia system.
i In a few countries, the ECO start/stop func-
tion is deactivated at the factory due to the
quality of the available fuel. In this case, the
ECO start/stop function is not available in any
drive program, regardless of the display in the
multimedia system display.
Available drive programs: C
Comfort Comfortable and economi-
cal driving characteristics
S
Sport Sporty driving characteris-
tics
S+
Sport Plus Particularly sporty driving
characteristics
I
Individual Individual settingsDYNAMIC SELECT button (all vehicles except Mercedes-AMG vehicles)
139Driving and parking Z

The outside temperature display is in the multi-
function display (Y page 201).
A change in the outside temperature is shown in
the multifunction display after a delay. Coolant temperature gauge
G
WARNING
If you open the bonnet while the engine is
overheating or while there is a fire in the
engine compartment, you could come into
contact with hot gases or other leaking ser-
vice products. There is a danger of injury.
Allow an overheating engine to cool down
before opening the bonnet. If there is a fire in the engine compartment, leave the bonnet
closed and notify the fire brigade.
The coolant temperature gauge is in the instru-
ment cluster on the right-hand side (Y page 32).
Under normal operating conditions and at the
correct coolant level, the coolant temperature
may rise to 120 †.
At high outside temperatures and when driving
uphill, the coolant temperature may rise to the
end of the scale. Operating the on-board computer
Overview :
Multifunction display
; Right control panel
= Left control panel
X To activate the on-board computer: turn
the key 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 =
; R
Calls up the menu and menu bar 9
: Press briefly:
R Scrolls through lists
R Selects a submenu or function
R In the Audio Audio menu: selects the
previous or next station, when the preset list or station list is active,
or an audio track or video scene
R In the Tel Tel(telephone) menu:
switches to the phone book and
selects a name or telephone num-
ber 200
Displays and operationOn-board computer and displays

AMG menu (Mercedes-AMG vehicles)
Warm-up :
Digital speedometer
; Gear indicator
= Upshift indicator
? Engine oil temperature
A Coolant temperature
B Transmission oil temperature
X Press the =or; button on the steering
wheel to select the AMG
AMG menu.
Upshift indicator: upshift indicatorUP
UP=
indicates that the engine has reached the
overrevving range when in the manual drive
program.
Engine and transmission oil temperature:
when the engine and transmission are at nor-
mal operating temperature, oil tempera-
ture ?and Bare displayed in white in the
multifunction display.
If the multifunction display shows oil temper- ature ?orB in blue, the engine or the
transmission are not yet at normal operating
temperature. Avoid using the full output of the engine during this time.
SETUP :
Engine mode C C,S
S,S+
S+ orM
M
; Suspension setting SPORT
SPORTorCOMFORT
COMFORT
= Transmission position D
D/ M
M
? ESP ®
mode ( On
On/OffOff) SETUP displays the following information, func-
tions and settings:
R the digital speedometer
R the gear indicator
R the engine mode
R the suspension mode
R the transmission position
R the ESP ®
(Electronic Stability Program) mode
X Press =or; on the steering wheel to
select the AMG
AMG menu.
X Press 9repeatedly until SETUP appears.
RACETIMER Displaying and starting the RACETIMER
The RACETIMER is only intended for use on a
closed race circuit. Do not use the function on
public roads. :
Lap
; RACETIMER
You can start the RACETIMER when the engine is running or if the key is in position 2in the ignition
lock.
X Press =or; on the steering wheel to
select the AMG AMGmenu.
X Press the 9button repeatedly until the
RACETIMER appears.
X To start: press the abutton to start the
RACETIMER.
Displaying the intermediate time Menus and sub
menus
213On-board computer and displays Z

Engine
Display messages
Possible causes/consequences and
M
MSolutions ?
Top up coolant See Top up coolant See
Owner's Manual Owner'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.
X Top up the coolant, observing the warning notes before doing so
(Y page 279).
X If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist workshop. ? The fan motor is faulty.
X If the coolant temperature is below 120 †, you can continue driving
to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. ?
Coolant Stop vehi‐ Coolant Stop vehi‐
cle Switch engine cle Switch engine
off off The coolant is too hot.
A warning tone also sounds.
G WARNING
Never drive with an overheated engine. Driving when your engine is
overheated can cause some fluids which may have leaked into the
engine compartment to catch fire.
In addition, steam from an overheated engine can cause serious
burns, which can occur just by opening the bonnet.
There is a risk of injury.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 153).
X Leave the vehicle and keep a safe distance from the vehicle until the
engine has cooled down.
X Make sure that the air supply to the engine radiator is not blocked,
e.g. by frozen slush.
X Do not start the engine again until the display message goes out and
the coolant temperature is below 120 †. The engine may otherwisebe damaged.
X Pay attention to the coolant temperature gauge, observing the
warning notes (Y page 279).
X If the temperature increases again, consult a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †. Display messages
229On-board computer and displays Z

Engine
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ;
N
The yellow engine diagnostics warning lamp lights up while the engine is run-
ning.
There may be a fault, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
R in the fuel system
The emission limit values may be exceeded and the engine may be running in
emergency mode.
X Consult a qualified specialist workshop immediately. 8
N
The yellow reserve fuel warning lamp is on while the engine is running.
The fuel level has dropped into the reserve range.
X Refuel at the nearest filling station. ?
N
The 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 gauge is faulty.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
X Stop the vehicle immediately, paying attention to road and traffic conditions,
and switch off the engine. Do not continue driving under any circumstances.
X Safeguard the vehicle against rolling away (Y page 153).
X Consult a qualified specialist workshop. Warning and indicator lamps
249On-board computer and displays Z