heating MERCEDES-BENZ SLK-CLASS ROADSTER 2015 Owners Manual

Fog lampsSwitching on/off .......................... .109
Front fog lamps
Display message ............................ 226
Switching on/off ........................... 109
Fuel
Additives ........................................ 351
Consumption statistics .................. 197
Displaying the current consump-
tion ................................................ 198
Displaying the range ..................... .198
Driving tips ................................... .165
Fuel gauge ....................................... 31
Grade (gasoline) ............................ 350
Important safety notes .................. 350
Problem (malfunction) ................... 161
Refueling ........................................ 158
Tank content/reserve fuel ............. 350
Fuel filler flap
Opening ......................................... 159
Fuel level
Calling up the range (on-board
computer) ...................................... 198
Fuel tank
Capacity ........................................ 350
Problem (malfunction) ................... 161
Fuse allocation chart (vehicle tool kit) ...................................................... 294
Fuses
Allocation chart ............................ .308
Before changing ............................ .308
Fuse box in the engine compart-
ment .............................................. 309
Fuse box in the trunk ..................... 309
Important safety notes .................. 308
G
Garage door opener
Clearing the memory ..................... 275
General notes ................................ 272
Important safety notes .................. 272
Opening/closing the garage door .. 274
Programming (button in the rear-
view mirror) ................................... 272
Synchronizing the rolling code ....... 273
Gear indicator (on-board com- puter) ................................................. .208 Genuine parts
...................................... 21
Glove box .......................................... .258
H
Handbrake
see Parking brake
Hazard warning lamps ......................111
Display message ............................ 242
Head bags
Display message ............................ 222
Operation ......................................... 48
Head level heating (AIRSCARF) ........100
Head restraints
Adjusting ......................................... 98
see NECK-PRO head restraints
Headlamps
Cleaning system (notes) ................ 353
Fogging up ..................................... 113
see Automatic headlamp mode
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 116
Display message ............................ 226
Switching on/off ........................... 110
Hill start assist .................................. 143
HOLD function
Activating ....................................... 181
Deactivating ................................... 181
Display message ............................ 231
Function/notes ............................ .180
Hood
Closing .......................................... .281
Display message ............................ 240
Important safety notes .................. 280
Opening ......................................... 280
Horn ...................................................... 30
Hydroplaning ..................................... 168
I
Ignition lock
see Key positions
Immobilizer .......................................... 68
Indicator lamps
see Warning and indicator lamps
10Index

Trunk lid ...........................................81
Reversing lamps (display mes-
sage) ................................................... 227
Roadside Assistance (breakdown) .... 23
Roof
Display messag e............................ 241
Important safety notes .................... 87
Opening/closing (with roof
switch) ............................................. 88
Opening/closing (with Smart-
Key) ................................................. 89
Overview .......................................... 87
Problem (malfunction) ..................... 94
Relocking ......................................... 89
Roof carrier ........................................ 260
Roof lining and carpets (cleaning
guidelines) ......................................... 292
Roof switch .......................................... 88
S
Safety
Occupant Classification System
(OCS) ............................................... 49
Safety system
see Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 45
Cleaning ......................................... 291
Correct usage .................................. 43
Fastening ......................................... 44
Important safety guidelines ............. 42
Introduction ..................................... 42
Releasing ......................................... 44
Switching belt adjustment on/off
(on-board computer) ...................... 207
Warning lamp ................................. 244
Warning lamp (function) ................... 45
Seats
Adjusting (electrically) ..................... 98
Adjusting (manually) ........................ 98
Adjusting the 4-way lumbar sup-
port .................................................. 99
Adjusting the head restraint ............ 98
Cleaning the cover ......................... 291
Correct driver's seat position ........... 96
Important safety notes .................... 97 Overview .......................................... 97
Seat heating problem .................... 100
Storing settings (memory func-
tion) ............................................... 106
Switching AIRSCARF on/of
f.......... 100
Switching seat heating on/of f......... 99
Selector lever
Cleaning ......................................... 290
Sensors (cleaning instructions) ....... 289
Service menu (on-board com- puter) .................................................. 204
Service products
Brake fluid ..................................... 352
Coolant (engine) ............................ 352
Engine oil ....................................... 351
Fuel ................................................ 350
Important safety notes .................. 349
Refrigerant (air-conditioning sys-
tem) ............................................... 354
Washer fluid ................................... 353
Setting the air distribution ............... 130
Setting the airflow ............................ 130
Settings
Factory (on-board computer) ......... 208
On-board compute r....................... 204
SETUP (on-board computer) ............. 209
Side impact air bag ............................. 47
Side marker lamp
Changing bulbs (rear) .................... 116
Side marker lamp (display mes-
sage) ................................................... 227
Side windows
Cleaning ......................................... 288
Convenience closing feature ............ 85
Important safety information ........... 83
Opening/closing (all) ....................... 84
Opening/closing (front) ................... 84
Overview .......................................... 83
Problem (malfunction) ..................... 87
Resetting ......................................... 86
SmartKey
Changing the battery ....................... 75
Changing the programming ............. 73
Checking the battery ....................... 75
Convenience opening feature .......... 85
Display message ............................ 242
Door central locking/unlocking ....... 72
Index15

Center console
Center console, upper section
FunctionPage
:COMAND; see the separateoperating instructions
;c Seat heating99
=ÒAIRSCARF100
?cPARKTRONIC182
AèECO start/stop func-
tion
144
FunctionPage
B£ Hazard warning
lamps
111
C4 PASSENGER AIR BAG
ON/OFF indicator lamp
41
Då ESP®64
Eà
Dynamic handling
package with sports mode
180
34Center console
At a glance

ProblemPossible causes/consequences andMSolutions
The engine can no lon-
ger be started using the
SmartKey.The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 301).
or
X Jump-start the vehicle ( Ypage 303).
or
X Consult a qualified specialist workshop.
The engine can no lon-
ger be started using
KEYLESS-GO. The
SmartKey is in the vehi-
cle.The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again.
There is interference from a powerful source of radio waves.
X Start your vehicle with the SmartKey in the ignition lock.
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of park
position P or shift manual transmission into
neutral.
R start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
Unlocking and opening doors from
the inside
!
The side windows will not open/close if
the battery is discharged or if the side win- dows have iced up. It will then not be pos-
sible to close the door. Do not attempt to
force the door closed. You could otherwise
damage the door or the side window.
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle was previously locked with the
SmartKey or with KEYLESS-GO, opening the
vehicle from the inside will activate the anti-
theft alarm system. Switch off the alarm( Y page 69).
78Doors
Opening and closing

The seat belt should:
R fit snugly across your body
R be routed across the middle of your shoul- der
R be routed in your pelvic area across the hip
joints
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors ( Ypage 103) in
such a way that you have a good view of
road and traffic conditions.
X Vehicles with a memory function: save
the seat, steering wheel and exterior mirror settings ( Ypage 106).
Seats
Important safety notes
GWARNING
Children could become trapped if they adjust
the seats, particularly when unattended.
There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Neverleave children unsupervised in the vehicle.
The seats can still be adjusted when there is
no SmartKey in the ignition lock.
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no one
has any body parts in the sweep of the seat.
Observe the safety notes on "Air bags" ( Y page 46) and "Children in the vehicle"
( Y page 57).
GWARNING
If the driver's seat is not engaged, it could
move unexpectedly while the vehicle is in
motion. This could cause you to lose control of
the vehicle. There is a risk of an accident.
Always make sure that the driver's seat is
engaged before starting the vehicle.
GWARNING
If you adjust the seat height carelessly, you orother vehicle occupants could be trapped andthereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment buttons and become trapped. There is a
risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-tem.
GWARNING
If head restraints are not installed and adjus-
ted correctly, they cannot provide protection
as intended. There is an increased risk of
injury in the head and neck area, e.g. in the
event of an accident or when braking.
Always drive with the head restraints instal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head
restraint supports the back of the head at
about eye level.
GWARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
!To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
Seats97
Seats, steering wheel and mirrors
Z

heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating mate- rials, e.g. blankets, coats, bags, seat cov-
ers, child seats or booster seats.
!Make sure that there are no objects in the
footwell under or behind the seats when
moving the seats back. There is a risk that
the seats and/or the objects could be dam-
aged.
iThe head restraints are equipped with the
NECK-PRO system ( Ypage 56). For this
reason, it is not possible to remove the
head restraints from the seats.
For more information, contact a qualified
specialist workshop.
Adjusting the seats manually
X To set seat fore-and-aft adjustment: lift
lever :and slide the seat forwards or
backwards.
X Release lever :again.
Make sure that you hear the seat engage in
position. X
To adjust the backrest angle: relieve the
pressure on the backrest.
X Pull handle ;and adjust the backrest to
the desired angle.
X Release handle ;again.
The backrest must audibly engage.
X To adjust the seat height: pull handle=
upwards or push it down repeatedly until
the seat has reached the desired height.
Adjusting the seats electrically
:Backrest angle
;Seat fore-and-aft adjustment
=Seat cushion angle
?Seat height
iYou can store the seat settings using the
memory function ( Ypage 106).
Adjusting the head restraints
GWARNING
You could lose control of your vehicle if you do
the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
98Seats
Seats, steering wheel and mirrors

XTo raise/lower: push the head restraint
upwards or pull it down into the desired
position.
Adjusting the 4-way lumbar support
:To raise the backrest contour
;To soften the backrest contour
=To lower the backrest contour
?To harden the backrest contour
You can adjust the contour of the seat backr-
ests individually to provide optimum support
for your back.
Switching the seat heating on/off
Activating/deactivating
GWARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high tempera-
tures may be affected or they may even suffer burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly.
Driver's and front-passenger seat
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3to level 2after approximately
eight minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the SmartKey is in position
1 or 2in the ignition lock.
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
Seats99
Seats, steering wheel and mirrors
Z

Problems with the seat heating
The seat heating has switched off prema-
turely or cannot be switched on. The vehicle'selectrical system voltage is too low because
too many electrical consumers are switchedon.
X Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
X Once the battery is sufficiently charged,
switch on the seat heating again.
AIRSCARF
Activating/deactivating
GWARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head restraints. This could result in burns in the immediate
vicinity of the air vents. There is a risk of injury.
Reduce the heater output before it becomes
too hot.
The AIRSCARF function warms the head and
neck area of vehicle occupants with warm air.
The warm air flows out of the holes in the head restraints.
The three red indicator lamps in the button
indicate the heating level you have selected. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button:.
Three red indicator lamps in the button light
up. The blower starts up after a preheating phase of seven seconds.
X Press button :repeatedly until the
desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
iThe blower continues running for seven
seconds to cool down the heating ele-
ments.
iIf the battery voltage is too low, AIRSCARF
may switch off.
Problems with AIRSCARF
AIRSCARF has switched off prematurely or
will not switch on. The vehicle's electrical sys-
tem voltage is too low because too many
electrical consumers are switched on.
X Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
X Switch on AIRSCARF again.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do
the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
100Steering wheel
Seats, steering wheel and mirrors

tion of the SmartKey in the ignition lock. This
makes it easier to exit the vehicle and rescue
the occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY fea- ture is activated in the on-board computer( Y page 207).
Mirrors
Rear-view mirror
X
Anti-glare mode: flick anti-glare lever :
forwards or back.
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
X Make sure that the SmartKey is in position
1 or 2in the ignition lock.
X Press button :for the left-hand exterior
mirror or button ;for the right-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button =as long
as the indicator lamp is lit.
X Press adjustment button =up, down, to
the right or to the left.
The exterior mirror must be set to a position
that provides you with a good overview of
traffic conditions.
The convex exterior mirrors provide a larger
field of vision.
The exterior mirrors are automatically heated after starting the vehicle if the rear window
defroster is switched on and the outside tem-
perature is low. Mirror heating lasts up to 10 minutes.
iYou can also heat up the exterior mirrors
manually by switching on the rear window
defroster.
Mirrors103
Seats, steering wheel and mirrors
Z

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