143 Controls in detail
Useful features
Cigarette lighter
1Cigarette lighter
2Cover
Turn key in the steering lock to
position1 or2 (
page 29).
Slide cover2 rearward.
Push in cigarette lighter1.
The cigarette lighter will pop out auto-
matically when hot.
Telephone*
Radio transmitters, such as a portable tele-
phone or a citizens band unit, should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
The external antenna must be approved by
Mercedes-Benz. Please contact an autho-
rized Mercedes-Benz Center for informa-
tion on the installation of an approved
external antenna. Refer to the radio trans-
mitter operation instructions regarding use
of an external antenna.
Warning!
G
Never touch the heating element or sides of
the cigarette lighter; they are extremely hot.
Hold the knob only.
When leaving the vehicle, always remove the
key from the steering lock, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.iThe cigarette lighter socket can be
used to accommodate electrical acces-
sories up to a maximum 85 W.
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or serious
personal injury.
144 Controls in detailUseful featuresSee separate operating manual for instruc-
tions on how to use the telephone.
Tele Aid
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. A driver’s
attention to the road must always be
his /her primary focus when driving. For
your safety and the safety of others, we rec-
o m m e n d t h a t y o u p u l l o v e r t o a s a f e l o c a t i o n
and stop the vehicle before placing or taking
a telephone call.
If you choose to use the telephone
1 while
driving, please use the hands-free device
and only use the telephone when road,
weather and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
cellular telephone while driving a vehicle.
Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your vehicle is
covering a distance of approx. 44 feet (ap-
proximately 13.5 m) every second.
1Observe all legal requirements.
Warning!
G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a ve-
hicle. Whether or not prohibited by law, for
safety reasons, the driver should not use the
cellular telephone while the vehicle is in mo-
tion.
Stop the vehicle in a safe location before an-
swering or placing a call.
!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
SOS button. Failure to complete either
of these steps will result in a system
that is not activated. If the system is
not activated, the indicator lamp in the
SOS button stays on after turning the
key in steering lock to position2.
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).
147 Controls in detail
Useful features
The Tele Aid system is available if:
it has been activated and is operation-
al. Activation requires a subscription
for monitoring services, connection
and cellular air time
the relevant cellular phone network
and GPS signals are available and pass
the information on to the response cen-
ter.Initiating an emergency call manually
1Cover
2SOS button
Briefly press on cover1.
The cover will open.
Press SOS button2 briefly.
The indicator lamp in SOS button2 will
flash until the emergency call is con-
cluded.
Wait for a voice connection to the Re-
sponse Center.
Close cover1 after the emergency call
is concluded.
iLocation of the vehicle on a map is only
possible if the vehicle is able to receive
signals from the GPS satellite network
and pass the information on to the re-
sponse center.
Warning!
G
If the indicator lamp in the SOS button is il-
luminated continuously and there was no
voice connection to the Response Center
established, then the Tele Aid system could
not initiate an emergency call (e.g. the rele-
vant cellular phone network is not available).
Should this occur, assistance must be sum-
moned by other means.
149 Controls in detail
Useful features
Information button
¡
Located below the center armrest cover is
the Information button
¡
.
Press and hold the button (for longer
than 2 seconds).
A call to the Customer Assistance Cen-
ter will be initiated. The button will
flash while the call is in progress.
The Tele Aid system will transmit data gen-
erating the vehicle identification number,
model, color and location (subject to avail-
ability of cellular and GPS signals).
A voice connection between the Customer
Assistance Center representative and the
occupants of the vehicle will be estab-
lished. Information regarding the operation
of your vehicle, the nearest
Mercedes-Benz Center or Mercedes-Benz
USA products and services is available to
you.
For more details concerning the Tele Aid
system, please visit www.mbusa.com and
use your ID and password (sent to you sep-
arately) to learn more (USA only).
iThe indicator lamp in the Roadside As-
sistance button
•
remains illumi-
nated in red for approx. 10 seconds
during the system self-check after turn-
ing the key in the steering lock to
position2 (together with the
SOS button and the Information
button
¡
).
See System self-check (
page 145)
when the indicator lamp does not light
up in red or stays on longer than ap-
proximately 10 seconds.
If the indicator lamp in the Roadside
Assistance button
•
is illuminated
continuously and there was no voice
connection to the Response Center es-
tablished, then the Tele Aid system
could not initiate a Roadside Assis-
tance call (e.g. the relevant cellular
phone network was not available).
iThe indicator lamp in the Information
button
¡
remains illuminated in red
for approx. 10 seconds during the sys-
tem self-check after turning key in the
steering lock to position2 (together
with the SOS button and the Roadside
Assistance button
•
).
See System self-check (page 145)
when the indicator lamp does not light
up in red or stays on longer than ap-
proximately 10 seconds.
If the indicator lamp in the Information
button
¡
is illuminated continuous-
ly and there was no voice connection to
the Response Center established, then
the Tele Aid system could not initiate
an Information call (e.g. the relevant
cellular phone network is not avail-
able).
151 Controls in detail
Useful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. key inside vehicle), and the
reserve key is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle and pull
outside trunk handle for minimum of
20 seconds until the SOS button is
flashing.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.
The Response Center will then unlock your
vehicle with the remote door unlocking
feature.
iThe indicator lamp in the respective
button flashes until the call is conclud-
ed. Calls can only be terminated by a
Response Center or Customer Assis-
tance Center representative, except
Roadside Assistance and Information
calls.iWhen a Tele Aid call has been initiated,
the audio system is muted and the se-
lected mode (radio, tape or CD) paus-
es. The optional cellular phone (if
installed) switches off. If you must use
this phone, the vehicle must be parked.
Disconnect the coiled cord and place
the call.
iThe remote door unlock feature is avail-
able if the relevant cellular phone net-
work is available.
The SOS button will flash to indicate re-
ceipt of the door unlock command.
Once the vehicle is unlocked, a Re-
sponse Center specialist will attempt
to establish voice contact with the ve-
hicle occupants.
If the trunk handle was pulled for more
than 20 seconds before door unlock
authorization was received by the Re-
sponse Center, you must wait
15 minutes before pulling the trunk
handle again.
166 OperationDriving instructionsControl and operation of radio trans-mitter
Radio and telephone*Telephones and two-way radios
Radio transmitters, such as a portable tele-
phone or a citizens band unit should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
Refer to the radio transmitter operation in-
structions regarding use of an external an-
tenna.
Catalytic converter
Your Mercedes-Benz is equipped with
monolithic type catalytic converters, an
important element in conjunction with the
oxygen sensors to achieve substantial con-
trol of the pollutants in the exhaust emis-
sions. Keep your vehicle in proper
operating condition by following our rec-
ommended maintenance instructions as
outlined in your Service Booklet.
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. Only op-
erate the radio or telephone
1 if road and
traffic conditions permit.
Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your vehicle is
covering a distance of approximately
44 feet (approximately 13.5 m) every sec-
ond.
1Observe all legal requirements
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or
personal injury.
!To prevent damage to the catalytic con-
verters, use only premium unleaded
gasoline in this vehicle.
Any noticeable irregularities in engine
operation should be repaired promptly.
Otherwise, excessive unburned fuel
may reach the catalytic converter,
causing it to overheat and start a fire.
174 OperationEngine compartment
Within 1 second press knob1 on the
instrument cluster twice.
One of the following messages will sub-
sequently appear in the indicator:
OK
-1.0 Q
(Canada:
-1.0 L
)
-1.5 Q
(Canada:
-1.5 L
)
-2.0 Q
(Canada:
-2.0 L
)
For adding oil (
page 175).If there is excessive engine oil with the en-
gine at normal operating temperature, a
signal sounds and the following message
will blink in the odometer display:
HI
Have excess oil siphoned.
If theI
symbol flashes in the odometer
display field, a proper oil level check can-
not be performed.
Wait 5 minutes before repeating check
procedure.
Perform the oil level check with the dip-
stick (
page 173) if it cannot be complet-
ed via the odometer display field. In this
case we recommend that you that you
have the system checked at a
Mercedes-Benz Center.See “Practical hints” (
page 200) if the
low engine oil level warning lamp in the in-
strument cluster lights up.
!If the message
-2.0 Q
(Canada:
-2.0 L
) blinks and a signal
sounds, add oil according to amount
displayed.
iIf the
:
and
I
symbols are con-
tinuously illuminated after pressing the
left knob on the instrument cluster
twice, and if there is no change in the
odometer display field or the low en-
gine oil level warning lamp comes on, a
malfunction has occurred to the sys-
tem.
Perform the engine oil level check with
the dipstick (
page 173).
If no oil leaks are noted, drive to the
nearest Mercedes-Benz Center to have
the system checked.
175 Operation
Engine compartment
Adding engine oilSLK 230 Kompressor1Oil dipstick
2Oil filler cap
Unscrew oil filler cap2 from the filler
neck.
Be careful not to overfill with oil.
Be careful not to spill any oil when
adding.
Avoid environmental damage caused
by oil entering the ground or water.
Screw oil filler cap2 back onto the filler
neck.
SLK 320, SLK 32 AMG1Oil dipstick
2Oil filler cap
Unscrew oil filler cap2 from the filler
neck.Be careful not to overfill with oil.
Be careful not to spill any oil when
adding.
Avoid environmental damage caused
by oil entering the ground or water.
Screw oil filler cap2 back onto the filler
neck.
More information on engine oil can be
found in the “Technical data” section
(
page 271).
!Excessive oil must be siphoned or
drained off. It could cause damage to
the engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.
!Excessive oil must be siphoned or
drained off. It could cause damage to
the engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.