key battery MERCEDES-BENZ SL55AMG 2008 R230 User Guide

109 Controls in detail
Locking and unlocking
Important notes on using KEYLESS-GO

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(
page 104).

You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with the ‹button).

Always carry the SmartKey with
KEYLESS-GO with you.

Never store the SmartKey with
KEYLESS-GO together with:

Electronic items such as a cellular
phone or another SmartKey with
KEYLESS-GO

Metallic objects such as coins or
metal foil
Doing so could impair the function of
the KEYLESS-GO system.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also close the power windows
(
page 201) and the retractable hardtop using
the SmartKey with KEYLESS-GO (
page 206).
iWhen you unlock the vehicle, the
electro-hydraulic brake system is activated.
!If you cannot lock or unlock the vehicle with
the SmartKey with KEYLESS-GO, then the
batteries in the SmartKey are discharged, the
SmartKey with KEYLESS-GO is malfunctioning or
the vehicle battery is drained.

Check the batteries in the SmartKey with
KEYLESS-GO (
page 113) and replace
them if necessary (
page 407).

Use the mechanical key to unlock the
driver’s door (
page 403) and the
trunk (
page 404).

Have the vehicle batteries and their
connections checked (
page 427).

Use the mechanical key to lock or unlock the
doors (
page 405).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact Roadside Assistance or an
authorized Mercedes-Benz Center.

112 Controls in detail
Locking and unlocking
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so that grasping an outside
door handle only unlocks the driver’s door,
interior lockable storage compartments
and the fuel filler flap.
Press and hold buttons Œ and ‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 108) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:Unlocking the driver’s door and fuel fill-
er flap
Grasp the driver’s door handle.

All turn signal lamps flash once.

An acoustic warning sounds once.

The locking knob in the driver’s
door moves up.

The anti-theft alarm system is
disarmed.
Global unlocking
Grasp the door handle on the passen-
ger side.

All turn signal lamps flash once.

An acoustic warning sounds once.

The locking knobs in the doors
move up.

The anti-theft alarm system is
disarmed.Global locking
Press lock button on an outside door
handle.
With all doors and the trunk closed:

All turn signal lamps flash three
times.

An acoustic warning sounds three
times.

The locking knobs in the doors
move down.

The anti-theft alarm system is
armed.
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 108) flashes twice.
iVehicles with trunk opening/closing
system*: You can also lock the vehicle using
the KEYLESS-GO locking/closing switch
(
page 119).

113 Controls in detail
Locking and unlocking
Checking the batteries in the SmartKey
or SmartKey with KEYLESS-GO*
Press button ‹or Œ.
The battery check lamp (
page 104)
or (
page 108) comes on briefly to in-
dicate that the SmartKey or SmartKey
with KEYLESS-GO batteries are in
order.Loss of the SmartKey or SmartKey with
KEYLESS-GO*
If you lose your SmartKey or SmartKey
with KEYLESS-GO or the mechanical key,
you should do the following:
Have the SmartKey or SmartKey with
KEYLESS-GO deactivated by an
authorized Mercedes-Benz Center.
Report the loss of the SmartKey or
SmartKey with KEYLESS-GO or the
mechanical key to your car insurance
company immediately.
Have the mechanical lock replaced if
necessary.
Any authorized Mercedes-Benz Center will
be glad to supply you with a replacement.
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Pull on inside door handle2 in direc-
tion of arrow.
If the door was locked, locking knob1
will move up.
Opening a door causes its window to
open slightly. It will fully close when the
door is shut.
iIf the battery check lamp does not come
on briefly during check, then the SmartKey or
SmartKey with KEYLESS-GO batteries are
discharged.
Replace the batteries (
page 407).
You can obtain the required batteries at any
authorized Mercedes-Benz Center.
iIf the batteries are checked within signal
range of the vehicle, pressing the‹orŒ
button will lock or unlock the vehicle
accordingly.

114 Controls in detail
Locking and unlocking
Opening the trunk
You can open the trunk if the vehicle is sta-
tionary and the retractable hardtop is fully
opened or closed.
A minimum height clearance of
6.2 ft (1.88 m) is required to open the
trunk lid.!A side window will not work if it is blocked
with ice or if the battery needs charging. If you
cannot shut a door, do not force it or you could
damage the door or the side window.
Fix whatever is affecting the window before
trying to shut the door.
iIf you hear a warning signal, you have forgot-
ten to switch off the low beam headlamps or the
parking lamps before opening the driver’s door.
In addition, the message
Lights Are Still
On
appears in the multifunction display.
Switch off the low beam headlamps or the park-
ing lamps.
If the message
Switch off lights or
remove key.
appears in the multifunction
display, remove the SmartKey from the starter
switch or switch off the automatic headlamp
mode.
!Failure to switch off the exterior lamps when
leaving the vehicle may result in a discharged
battery.
iIf the vehicle has previously been locked
with the SmartKey or KEYLESS-GO*, opening a
door from the inside will trigger the anti-theft
alarm system.
To cancel the alarm, do one of the following:

Press buttonŒ or‹on the
SmartKey.

Insert the SmartKey in the starter switch.
Vehicles with KEYLESS-GO*:

Grasp an outside door handle.
The SmartKey with KEYLESS-GO* must be
within 3 ft (1 m) of the vehicle.

Press the KEYLESS-GO* start/stop button
(
page 41).
The SmartKey with KEYLESS-GO* must be
inside the vehicle.
Warning!G
Make sure the trunk is closed when the
engine is running and while driving.
Among other dangers, deadly carbon
monoxide (CO) gases may enter vehicle
interior resulting in unconsciousness and
death.
iIf the trunk lid does not open, the trunk lid is
still locked separately (
page 120).

131 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 57)
and “Turn signals” (
page 57).
Exterior lamp switch
Exterior lamp switch
iIf you drive in countries where vehicles drive
on the other side of the road than the country in
which the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
any authorized Mercedes-Benz Center.
1‚Standing lamps, left
(turn left two stops)
2ˆStanding lamps, right
(turn left one stop)
3MOff
Daytime running lamp mode
(
page 133)
4UAutomatic headlamp mode
Daytime running lamp mode
(
page 133)
5CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
6BLow beam headlamps or high
beam headlamps.
7‡Front fog lamps
8†Rear fog lamp
iIf you hear a warning signal, you have forgot-
ten to switch off the low beam headlamps or the
parking lamps before opening the driver’s door.
In addition, the message
Lights Are Still
On
appears in the multifunction display.
Switch off the low beam headlamps or the park-
ing lamps.
If the message
Switch off lights or
remove key.
appears in the multifunction
display, remove the SmartKey from the starter
switch or switch off the automatic headlamp
mode.
!Failure to switch off the exterior lamps when
leaving the vehicle may result in a discharged
battery.

203 Controls in detail
Power windows
Fully closing the door windows
(Express-close)
Pull switch1 or2 past the resis-
tance point and release.
The corresponding door window closes
completely.
If the upward movement of the door win-
dow is blocked during the closing proce-
dure, the door window will stop and open
slightly.
Stopping windows
Press or pull the respective switch
again.Closing the windows with
KEYLESS-GO*
Press and hold lock button on an out-
side door handle (
page 66) until the
windows are closed.
Synchronizing power windows
The power windows must be synchronized
each time

after the battery has been dis-
connected

if the power windows cannot be fully
opened (Express-open) or closed
(Express-close)
Synchronizing the power windows
Switch on the ignition (page 40).
Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
1 second.
The power windows are synchronized.
Warning!G
Driver’s door only:
If within 5 seconds the switch is again
pulled past the resistance point and
released, the automatic reversal will not
operate.
Warning!G
When closing the windows make sure that
there is no danger of anyone being harmed
by the closing procedure.
The windows will not automatically re-open
if blocked during convenience closing.
If potential danger exists, proceed as
follows:

Release the lock button.

Pull on the door handle and hold firmly.
The side windows open for as long as
the door handle is held but the door not
opened.

249 Controls in detail
Useful features
If applicable, remove the cover for the
external antenna connection from the
back of the mobile phone and store it in
a s a f e p l a c e . B e s u r e t o c o m p l y w i t h t h e
mobile phone’s operating instructions
as well.
Example illustration
1Insert the mobile phone
2Connector contact
3Mobile phone cradle
Slide the lower end of the mobile phone
into connector contact 2 on
cradle3.
Push the top of the mobile phone in di-
rection of arrow 1, until the lug on the
mobile phone release button engages.
The mobile phone is connected to the
network via the external antenna.
The mobile phone is linked to the
hands-free device and the multifunc-
tion steering wheel.
The battery is charged depending on its
charge status and the position of the
SmartKey in the starter switch. The
charge procedure will be indicated in
the mobile phone’s display.
You can place or receive phone calls. You
can control other functions of the mobile
phone via the control system
(
page 169), the Voice Control System*
(see separate operating instructions), or
COMAND (see separate operating
instructions). Removing mobile phone from mobile
phone cradle
Example illustration
1Release catch for mobile phone
2Mobile phone cradle
iWhen you take the SmartKey out of the
starter switch, the mobile phone remains
switched on for approximately 10 minutes. If you
place or receive a call during this time, the
mobile phone switches off 10 minutes after the
call has been completed.
iWhen using a flip-style mobile phone, open
flip top before removing from the cradle while a
call is connected. Otherwise, the call will be dis-
connected.


391 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
FKey
Not DetectedThe SmartKey with KEYLESS-GO* is
not recognized while the engine is
running because:

The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.

There is strong radio-frequency
interference.
Stop the vehicle in a safe location or as soon
as it is safe to do so.
Search for the SmartKey with KEYLESS-GO*.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again af-
ter the engine is stopped.
Operate the vehicle with the SmartKey with
KEYLESS-GO* in the starter switch.
Key
Not DetectedThe SmartKey with KEYLESS-GO* is
not recognized when attempting to
start the engine with the
KEYLESS-GO start/stop button* on
the gear selector lever because:

The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.

The battery in the SmartKey
with KEYLESS-GO* is not insert-
ed properly or completely dis-
charged.
Change the position of the SmartKey with
KEYLESS-GO* in the vehicle.
Make sure the batteries in the SmartKey with
KEYLESS-GO* are properly inserted
(
page 407) and are not discharged
(
page 113).
Start the engine with the SmartKey with
KEYLESS-GO* in the starter switch if
necessary.

407 Practical hints
Replacing SmartKey batteries
Replacing SmartKey batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended
to have the batteries replaced at an
authorized Mercedes-Benz Center.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.Remove the mechanical key from the
SmartKey or SmartKey with
KEYLESS-GO* (
page 403).
1Mechanical key
2Battery compartment
Insert mechanical key 1 into opening.
Press mechanical key 1 in direction of
arrow.
The battery compartment is unlatched.
Pull battery compartment 2 out of the
housing.
Warning!G
Batteries contain poisonous and corrosive
substances. Therefore keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.
Warning!G
SmartKey batteries contain Perchlorate
material, which may require special handling
and regard for the environment. Check with
your local government’s disposal guidelines.
California residents, see
http://www.dtsc.ca.gov/HazardousWaste
/Perchlorate/index.cfm.
iWhen inserting batteries, make sure they
are clean and free of lint.
iWhen replacing batteries, always replace
both batteries.
The required replacement batteries (Lithium,
type CR 2025 or equivalent) are available at any
authorized Mercedes-Benz Center.


408 Practical hints
Replacing SmartKey batteries
3Batteries
4Contact spring
Pull out batteries3.
Using a lint-free cloth, insert new
batteries 3 under contact springs 4
with the positive terminal (+) side
facing up.
Return battery compartment 2 into
housing until it locks into place.
Slide mechanical key 1 back into
SmartKey or SmartKey with
KEYLESS-GO*.
Check the operation of the SmartKey
or SmartKey with KEYLESS-GO* as well
as the KEYLESS-GO* function.