2015 MERCEDES-BENZ SLK-CLASS ROADSTER fog light

USA only :
Sets the temperature, left (Ypage 129)
;Defrosts the windshield ( Ypage 131)
=Switches maximum cooling on/off ( Ypage 131)
?Switches cooling with air dehumidification on/off ( Ypage 127)
ASwitches the rear window defroster on/off ( Ypage 132)
BSets the temperature, right ( Ypage 129)
CActivates/deactivates air-recirculation mode ( Ypage 133)
DSets the air distribution ( Ypage 130)
EIncreases the airflow ( Ypage 130)
FReduces the airflow ( Ypage 130)
GSwitches climate control on/off ( Ypage 127)
HSets climate control to automatic ( Ypage 129)
Optimum use of dual-zone climate control
Automatic climate control
The following contains instructions and rec-
ommendations to enable you to get the most
out of your automatic climate control.
R Activate climate control using the Ãand
¿ buttons or the Ábutton on the
control panel of the climate control. The
indicator lamps in the Ãand¿ but-
tons or the Ábutton light up.
R Set the temperature to 72 ‡ (22 †). R
Only use the "Windshield defrosting" func-
tion briefly until the windshield is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could oth-
erwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the tem-
perature settings on the driver's side for
the front-passenger side as well. The indi-
cator lamp in the ábutton goes out.
R Use the residual heat function if you want to
heat or ventilate the vehicle interior when
the ignition is switched off. The residual
126Overview of climate control systems
Climate control

heat function can only be activated or deac-tivated with the ignition switched off.
ECO start/stop function
During automatic engine switch-off, the cli-
mate control only operates at a reduced capa-city. If you require full climate control capa-
city, the ECO start/stop function can be
deactivated by pressing the ECO button( Y page 147).
Operating the climate control sys- tems
Switching climate control on/off
General notes
When the climate control is switched off, the air supply and air circulation are also
switched off. The windows could fog up.
Therefore, switch off climate control onlybriefly
iActivate climate control primarily using
the à button ( Ypage 129).
Air-conditioning system
X
Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X To switch on: turn airflow control C
clockwise to the desired position (except position 0) ( Y page 123).
X To switch off: turn airflow control C
counter-clockwise to position 0
( Y page 123).
Dual-zone automatic climate control
X
Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X To switch on: press theÃbutton.
The indicator lamp in the Ãbutton lights
up. Airflow and air distribution are set to
automatic mode.
or
X Press the ^button.
The indicator lamp in the ^button goes
out. The previously selected settings arerestored.
X To switch off: press the^button.
The indicator lamp in the ^button lights
up.
Activating/deactivating cooling with
air dehumidification
General notes
If you deactivate the "Cooling with air-dehu-
midification" function, the air inside the vehi- cle will not be cooled. The air inside the vehi-
cle will also not be dehumidified. The win-
dows can fog up more quickly. Therefore,
deactivate the cooling with air-dehumidifica-
tion function only briefly.
The "Cooling with air dehumidification" func-
tion is only available when the engine is run-
ning. The air inside the vehicle is cooled and
dehumidified according to the temperatureselected.
Condensation may drip from the underside of the vehicle when it is in cooling mode. This isnormal and not a sign that there is a malfunc-
tion.
Operating the climate control systems127
Climate control

Problems with the "Cooling with air dehumidification" function
ProblemPossible causes/consequences andMSolutions
The indicator lamp in the¿ /Á button
flashes three times or
remains off. The "Cool-
ing with air dehumidifi-
cation" function cannot
be switched on.Cooling with air dehumidification has been deactivated due to a
malfunction.
X Visit a qualified specialist workshop.
Setting climate control to automatic
General notes
Automatic mode is only available with dual-
zone automatic air conditioning.
In automatic mode, the set temperature is
maintained automatically at a constant level. The system automatically regulates the tem-
perature of the dispensed air, the airflow and
the air distribution.
The automatic mode functions optimally
when the "Cooling with air dehumidification"
function is activated. If necessary, cooling
with air dehumidification can be deactivated.
If you deactivate the "Cooling with air-dehu-
midification" function, the air inside the vehi-
cle will not be cooled. The air inside the vehi- cle will also not be dehumidified. The win-
dows can fog up more quickly. Therefore,
deactivate the cooling with air-dehumidifica-
tion function only briefly.
Activating/switching
X Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X Set the desired temperature.
X To activate: press theÃbutton.
The indicator lamp in the Ãbutton lights
up. Automatic air distribution and airflow
are activated. X
To switch to manual mode: press the
_ button.
or X Press the IorK button.
The indicator lamp in the Ãbutton goes
out.
Setting the temperature
Air-conditioning system
X Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X To increase/reduce: turn control:
clockwise or counter-clockwise ( Y page 123).
Only change the temperature setting in
small increments. Start at 72 ‡ (22 †).
iIf you turn control :counter-clockwise
to the lowest temperature setting, air-recir-
culation mode may activate automatically,
depending on the outside temperature.
Dual-zone automatic climate control
Different temperatures can be set for the
driver's and front-passenger sides.
X Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X To increase/reduce: turn control:orB
clockwise or counter-clockwise( Y page 125).
Operating the climate control systems129
Climate control

side is not adopted for the front-passengerside.
X To switch off: press theábutton.
The indicator lamp in the ábutton goes
out. The temperature setting for the driv-
er's side is adopted for the front-passengerside.
Defrosting the windshield
General notes
You can use this function to defrost the wind-
shield or to defrost the inside of the wind-
shield and the side windows.
Switch off the "Windshield defrosting" func-
tion as soon as the windshield is clear again.
Switching the "Windshield defrosting"
function on/off
X Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X To switch on: press the¬button.
The indicator lamp in the ¬button lights
up.
The climate control system switches to the
following functions:
R high airflow
R high temperature
R air distribution to the windshield and
front side windows
R air-recirculation mode off
X To switch off: press the¬button.
The indicator lamp in the ¬button goes
out. The previously selected settings are
restored. Air-recirculation mode remainsdeactivated.
or X Dual-zone automatic climate control: pressthe à button.
The indicator lamp in the ¬button goes
out. Airflow and air distribution are set to
automatic mode.
MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
X To activate: press theÙbutton.
The indicator lamp in the button lights up.
X To deactivate: press theÙbutton.
The indicator lamp in the button goes out.
The previously selected settings arerestored.
When you activate MAX COOL, climate con-
trol switches to the following functions: R maximum cooling
R maximum airflow
R air-recirculation mode on
Defrosting the windows
Windows fogged up on the inside
X Activate the ¿/Á cooling with air
dehumidification function.
X Dual-zone automatic air conditioning: acti-
vate the Ãmode button.
X If the windows continue to fog up, activate
the ¬ "Windshield defrosting" function.
iYou should only select this setting until
the windshield is clear again.
Windows fogged up on the outside
X Activate the windshield wipers.
X Air-conditioning system: press the Por
O button.
X Dual-zone automatic air conditioning:
press the _button until the Por
O symbol appears in the display.
iYou should only select this setting until
the windshield is clear again.
Operating the climate control systems131
Climate control

Problems with the rear window defroster
ProblemPossible causes/consequences andMSolutions
The indicator lamp on the¤ button
flashes. The rear win-
dow defroster has
deactivated prema-
turely or cannot be acti- vated.The on-board voltage is too low because too many electrical con-sumers are switched on.
X Switch off any consumers that are not required, e.g. reading
lamps, interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window
defroster can be activated again.
The roof is open.
X Close the roof.
When the roof is closed, the rear window defroster can be acti-
vated again.
Activating/deactivating air-recircula-
tion mode
General notes
If you switch on air-recirculation mode, the
windows can fog up more quickly, in particu-
lar at low temperatures. Only use air-recircu-
lation mode briefly to prevent the windows
from fogging up.
Activating/deactivating
X Turn the SmartKey to position 2in the igni-
tion lock ( Ypage 139).
X To activate: press thegbutton.
The indicator lamp in the gbutton lights
up.
iAir-recirculation mode is automatically
activated at high levels of pollution (dual-
zone automatic climate control only) or at
high outside temperatures. When air-recir-
culation mode is activated automatically,
the indicator lamp in the gbutton is not
lit. Outside air is added after about
30 minutes.
X To deactivate: press thegbutton.
The indicator lamp in the gbutton goes
out.
iAir-recirculation mode deactivates auto-
matically:
R after approximately five minutes at out-
side temperatures below approximately
41 ‡ (5 †)
R after approximately five minutes if cool-
ing with air dehumidification is deactiva-
ted
R after approximately 30 minutes at out-
side temperatures above approximately
41 ‡ (5 †) if the "Cooling with air dehu-
midification" function is activated
Activating/deactivating the residual
heat function
General notes
The residual heat function is only available on
vehicles for Canada.
It is possible to make use of the residual heat
of the engine to continue heating the station- ary vehicle for up to 30 minutesafter the
engine has been switched off. The heating
time depends on the set interior temperature.
Depending on the equipment level, the con-
trol panel has either the Ìbutton or the
Á button.
Operating the climate control systems133
Climate control

Activating/deactivating surround light-
ing and exterior lighting delayed switch-off
X Press the =or; button on the steer-
ing wheel to select the
Sett.menu.
X Press the :or9 button to select the
Lightsubmenu.
X Press ato confirm.
X Press the :or9 button to select the
Surround Lightingfunction.
When the
Surround Lightingfunction is
activated, the light cone and the area
around the vehicle are displayed in orange
in the multifunction display.
X Press the abutton to save the setting.
Deactivating delayed switch-off of the exte-
rior lighting temporarily: X Before leaving the vehicle, turn the Smart-
Key to position 0in the ignition lock.
X Turn the SmartKey to position 2in the igni-
tion lock.
The exterior lighting delayed switch-off is
deactivated.
Delayed switch-off of the exterior lighting is
reactivated the next time you start the
engine.
If you have activated the
Surround LightZ
ingfunction and the light switch is set to
à , the following functions are activated
when it is dark:
R surround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the SmartKey. If you start the engine,
the surround lighting is switched off and
automatic headlamp mode is activated( Y page 108).
R exterior lighting delayed switch-off: the
exterior lighting remains lit for 60 seconds
after the engine is switched off. If you close all the doors and the trunk lid, the exterior
lighting goes off after 15 seconds.
iDepending on your vehicle's equipment,
when the surround lighting and delayed switch-off exterior lighting are on, the fol-
lowing light up:
R Parking lamps
R Front fog lamps
R Low-beam headlamps
R Daytime running lamps
R Side marker lamps
R Surround lighting in the exterior mirrors
Activating/deactivating the interior light-
ing delayed switch-off
If you activate the
Interior Lighting
Delayfunction, the interior lighting remains
on for 20 seconds after you remove the
SmartKey from the ignition lock.
X Press the =or; button on the steer-
ing wheel to select the
Settmenu.
X Press the :or9 button to select the
Lightssubmenu.
X Press ato confirm.
X Press the :or9 button to select the
Interior Lighting Delayfunction.
If the
InteriorLightingDelayfunction
has been switched on, the vehicle interior is
displayed in orange in the multifunction
display.
X Press the abutton to save the setting.
Vehicle
Activating/deactivating the automatic
door locking mechanism
X Press the =or; button on the steer-
ing wheel to select the
Settmenu.
X Press the :or9 button to select the
Vehiclesubmenu.
X Press ato confirm.
X Press the :or9 button to select the
Automatic Door Lockfunction.
When the
AutomaticDoorLockfunction
is activated, the left-hand vehicle door is
displayed in orange in the multifunction
display.
X Press the abutton to save the setting.
206Menus and submenus
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
b
Rear Fog Lamp
The rear fog lamp is faulty.
X Visit a qualified specialist workshop.
b
Check Front Left
Parking Lampor
Check Front Right
Parking Lamp
The front left or front right parking or standing lamp is defective. X Check whether you are permitted to replace the bulb yourself (Y page 115).
or
X Visit a qualified specialist workshop.
b
Backup Light
The backup lamp is defective.
X Check whether you are permitted to replace the bulb yourself (Y page 115).
or
X Visit a qualified specialist workshop.
b
Check Front Left
Sidemarker Lampor
Check Front Right
Sidemarker Lamp
The front left-hand or front right-hand side marker lamp is faulty.
X Visit a qualified specialist workshop.
b
Check Rear Left
Sidemarker Lampor
Check Rear Right
Sidemarker Lamp
The rear left-hand or rear right-hand side marker lamp is faulty.
X Visit a qualified specialist workshop.
b
CheckLeftDaytime
Running Lightor
Check Right DayZ
time Running Light
The left or right-hand daytime running lamp is faulty.
X Check whether you are permitted to replace the bulb yourself (Y page 115).
or
X Visit a qualified specialist workshop.
b
Active Headlamps
Inoperative
The active light function is faulty.
X Visit a qualified specialist workshop.
b
Malfunction See
Operator's Manual
The exterior lighting is defective.
X Visit a qualified specialist workshop.
Display messages227
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
b
AutoLampFunction
Inoperative
The light sensor is defective.
X Visit a qualified specialist workshop.
b
Switch Off Lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X Turn the light switch to Ã.
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assist is faulty. X
Visit a qualified specialist workshop.
Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily inoper-
ative. Possible causes are:
R the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
X Clean the windshield.
If the system detects that the camera is fully operational again, the
Adaptive Highbeam Assist Now Availablemessage is dis-
played.
Adaptive Highbeam Assist is operational again.
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See OperaZ
tor'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 Add coolant, observing the warning notes before doing so (Y page 283).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop.
?The fan motor is faulty. XAt coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
228Display messages
On-board computer and displays