2005 MERCEDES-BENZ SLK55AMG battery

113 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Interior lighting on/off
2Automatic control on/off
3Right reading lamp on/off
4Left reading lamp on/offAutomatic control
Activating

Press automatic control switch2 until
it is flush to the other switches.
The interior lighting switches on in
darkness, when you

unlock the vehicle


remove the SmartKey from the
starter switch


open a door
The interior lighting switches off automati-
cally following an adjustable time delay.
For more information, see “Setting interior
lighting delayed shut-off” (
page 140).Deactivating

Press automatic control switch2 until
it engages at a deeper position than the
other switches.
The interior lighting remains switched
off in darkness, even when you

unlock the vehicle


remove the SmartKey from the
starter switch


open a door
iLeaving an interior light switch in the
ON position for extended periods of
time with the engine turned off could
result in a discharged battery.
iIf the door remains open, the interior
lighting switches off automatically after
approximately five minutes, when the
SmartKey is in starter switch position0
or removed.
iWhen you open the trunk, the trunk
lighting switches on automatically.
If the trunk lid remains open, the trunk
lighting switches off automatically after
approximately ten minutes.

171 Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the defrost-
er as soon as the rear window is clear.
The defroster is automatically deactivated
after approximately 6 to 17 minutes of op-
eration depending on the outside tempera-
ture.Switching on

Press the rear window defroster
switchF in the control panel of the
climate control (
page 175) or the au-
tomatic climate control* (
page 185).
The indicator lamp on the rear window
defroster switchF comes on.Switching off

Press the rear window defroster
switchF again in the control panel
of the climate control or the automatic
climate control*.
The indicator lamp on the rear window
defroster switchF goes out.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.
!The rear window defroster cannot be
switched on when the retractable hard-
top is open. The indicator lamp starts
flashing if the hardtop is open.

Close the retractable hardtop first.
The rear window defroster can be
switched on again.
!If the rear window defroster switches
off too soon and the indicator lamp
starts flashing, this means that too
many electrical consumers are operat-
ing simultaneously and there is insuffi-
cient voltage in the battery. The system
responds automatically by deactivating
the rear window defroster.
As soon as the battery has sufficient
voltage, the rear window defroster au-
tomatically turns itself back on.

181 Controls in detail
Climate control
Deactivating
Press air condition on/off switch°
again (
page 175).
The indicator lamp on the air condition
on/off switch° goes out.
The residual heat switches off
automatically


when you switch on ignition
(page 35)


after about 30 minutes


if the battery voltage drops
Defrosting
Windows fogged up on the inside
Press defrosting switchP
(page 175).
The indicator lamp on defrosting
switchP comes on.
The temperature rises and the ventila-
tion operates with maximum blower
speed.

Press defrosting switchP again.
The indicator lamp on defrosting
switchP goes out.
The previous climate control settings
will be activated again.Windshield fogged up on the outside

Switch on the windshield wipers
(page 53).

Turn air distribution control3 to
positionaorY (
page 176).

189 Controls in detail
Automatic climate control*
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes, depending on the
temperature setting of the climate control.
This feature makes use of the residual heat
produced by the engine.
Activating
Turn the SmartKey in the starter switch
to position1or0, or remove it from
the starter switch.

Press residual heat/ventilation
switchT (
page 185).
The indicator lamp on the residual
heat/ventilation switchT comes
on.Deactivating

Press residual heat/ventilation
switchT again (
page 185).
The indicator lamp on the residual
heat/ventilation switchT goes out.
The residual heat switches off
automatically


when you switch on ignition
(page 35)


after about 30 minutes


if the battery voltage drops
Defrosting
Windows fogged up on the inside
Press defrosting switchP
(page 185).
The indicator lamp on defrosting
switchP comes on.
The temperature rises and the ventila-
tion operates with maximum blower
speed.

Press defrosting switchP again.
The previous automatic climate control
settings will be activated again.
iHow long the system will provide heat-
ing depends on the coolant tempera-
ture and the temperature set by the
operator. The blower will run at speed
setting1 regardless of the air distribu-
tion control setting.

236 Controls in detailPower windows
Aim transmitter eye at the outside
driver’s or passenger door handle.
Opening (Summer opening feature)

Press and hold buttonΠafter un-
locking the vehicle.
The windows and retractable hardtop
begin to open after approximately
one second.
In the multifunction display you will see
the message
Retractable roof open
.

Release buttonΠon the SmartKey
to interrupt procedure.Closing (Convenience closing feature)

Press and hold lock button‹ after
locking the vehicle.
The windows and retractable hardtop
begin to close after approximately
one second.
In the multifunction display you will see
the message
Retractable roof
closed
.

Release button‹ on the SmartKey
to interrupt procedure.
Synchronizing power windows
The power windows must be synchronized

after the battery has been disconnect-
ed.


if the power windows cannot be fully
opened (Express-open) or closed
(Express-close).
Each power window must be synchronized.

Close all doors.

Switch on the ignition (
page 35).

Press and hold both switches1
and2 at the symbolj until the
windows are completely closed.

Hold on to switches1and2 for ap-
proximately one second.
The power windows are synchronized.
Warning!
G
If the retractable hardtop does not com-
pletely open or close, a warning sounds. In
the multifunction display you will see
K

and the message
Retractable roof
being lowered. After about 15 seconds
the roof hydraulics lose pressure.
Properly lock the retractable hardtop
(
page 240) before continuing to drive.

257 Controls in detail
Useful features
Tele Aid* The Tele Aid system
(Telematic Alarm Identification on
Demand)
The Tele Aid system consists of three
types of response:


Automatic and manual emergency


Roadside Assistance


Information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted when using the volume control
on the multifunction steering wheel. To
raise, press buttonæ and to lower,
press buttonç or use the volume knob
on your audio system or COMAND* head
unit.

To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.
Shortly after the completion of your
Tele Aid acquaintance call, you will receive
a user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock, profile,
and more.
!The initial activation of the Tele Aid sys-
tem may only be performed by com-
pleting the subscriber agreement and
placing an acquaintance call using the
¡button. Failure to complete either
of these steps will result in a system
that is not activated.
If you have any questions regarding ac-
tivation, please call the Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
iThe SOS button is located in the over-
head control panel.
The Roadside Assistance button•
and the Information button¡ are
located below the center armrest cov-
er.

294 OperationEngine compartmentThe coolant expansion tank is located on
the passenger side of the engine compart-
ment.SLK 350 (example)1Coolant expansion tank
2Cap
3Marking bar in the expansion tank

Using a rag, turn cap2 slowly approx-
imately one half turn counterclockwise
to release any excess pressure.

Continue turning cap2 counterclock-
wise and remove it.
The coolant level is correct if the level

for cold coolant: reaches marking
bar3 in expansion tank1


for warm coolant: is approximately
0.6 in (1.5 cm) higher

Add coolant as required.

Replace and tighten cap2.
For more information on coolant, see
“Coolants” (
page 426).
Battery
Your vehicle’s battery is located in the en-
gine compartment.
The battery should always be sufficiently
charged in order to achieve its rated ser-
vice life. Refer to the Maintenance Booklet
for battery maintenance intervals.
If you use your vehicle mostly for
short-distance trips, you will need to have
the battery charge checked more frequent-
ly.
When replacing the battery, always use
batteries approved by Mercedes-Benz.
If you do not intend to operate your vehicle
for an extended period of time, consult an
authorized Mercedes-Benz Center about
steps you need to observe.

295 Operation
Engine compartment
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.Windshield washer system and
headlamp cleaning system*
The windshield washer reservoir is located
on the passenger side of the engine com-
partment.SLK 350 (example)1Washer fluid reservoir cap
Fluid for the windshield washer system and
the headlamp cleaning system* is supplied
from the windshield washer reservoir. It
has a capacity of approx. 7.4 US qt (7 l).
G
Observe all safety instructions
and precautions when handling
automotive batteries.
A
Risk of explosion
D
Keep flames or sparks away
from battery. Do not smoke.
B
Battery acid is caustic. Do not
allow it to come into contact
with skin, eyes or clothing.
In case it does, immediately
flush affected area with clean
water and seek medical help if
necessary.
E
Wear eye protection.
C
Keep children away.
F
Follow the instructions in this
Operator's Manual.