2006 MERCEDES-BENZ CLK COUPE start stop button

132 Controls in detailLightingManual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
exterior lamp switch.
Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:

Low beam headlamps


Tail and parking lamps


License plate lamps


Side marker lamps

Turn the exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps will switch on and off
automatically.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
iWith the SmartKey removed from the
starter switch or the engine turned off
with KEYLESS-GO* and the driver’s
door open, a warning sounds if the
parking lamps or low beam headlamps
are switched on.
The message
Turn off lamps
appears
in the multifunction display.
Warning!
G
If the exterior lamp switch is set toU,

the headlamps may switch off unexpect-
edly when the system senses bright
ambient light, for example light from
oncoming traffic.


the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others,
activate headlamps by turning exterior lamp
switch to B when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill in a safe location.
Switching from U to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle’s lights at all
times.

143 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1 or as soon as the
KEYLESS-GO* start/stop button is in
position1. The control system enables you
to

call up information about your vehicle


change vehicle settings
For example, you can use the control sys-
tem to find out when your vehicle is next
due for service, to set the language for
messages in the instrument cluster dis-
play, and much more.
The control system relays information to
the multifunction display.
iThe displays for the audio systems (ra-
dio, CD player etc.) will appear in En-
glish, regardless of the language
selected.
Warning!
G
A driver’s attention to the road and traffic
conditions must always be his /her primary
focus when driving.
For your safety and the safety of others,
selecting features through the multifunction
steering wheel should only be done by the
driver when traffic and road conditions
permit it to be done safely.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approxi-
mately 14 m) every second.

152 Controls in detailControl systemShould the vehicle’s system record any
conditions while driving, the number of
messages will reappear in the multifunc-
tion display when the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch. With
KEYLESS-GO*, turn off the engine by
pressing the KEYLESS-GO* start/stop
button and open the driver’s door.
Settings menu
In the
Settings
menu there are two
functions:


The function
Reset to factory
settings?
, with which you can reset all
the settings to the original factory
settings.


A collection of submenus with which
you can make individual settings for
your vehicle.

Press buttonè orÿ repeatedly
until the
Settings
menu appears in the
multifunction display.Resetting all settings
You can reset all the functions of all
submenus to the factory settings.

Press the reset button in the
instrument cluster (
page 140) for
approximately three seconds.
The request to press the reset button
once more to confirm appears in the
multifunction display.

Press the reset button once more.
The functions of all the submenus will
reset to factory settings.
iThe vehicle status message memory
will be cleared when you switch on the
ignition (
page 36). You will then only
see high-priority messages in the multi-
function display (
page 370).

178 Controls in detailAutomatic transmissionSteering wheel gearshift control one-touch gearshifting (CLK 500)
The steering wheel gearshift control pro-
vides an alternative method for changing
the gears manually and limiting or extend-
ing the gear range for automatic shifting
with the gear selector lever in positionD
and driving in the automatic program
modeC orS.Steering wheel gearshift control
The steering wheel gearshift buttons are
located to the left and right on the back of
the steering wheel.
1Button, inside: downshift
2Button, outside: upshift
iTo avoid overrevving the engine when
downshifting with steering wheel
gearshift buttons, the transmission will
not shift to a lower gear if the engine’s
max. speed would be exceeded.
!Allow engine to warm up under low
load use. Do not place full load on the
engine until the operating temperature
has been reached.
Shift into reverse gearR or parking po-
sition P only when the vehicle is
stopped.
Avoid spinning of a drive wheel for an
extended period when driving off on
slippery road surfaces. This may cause
serious damage to the drivetrain which
is not covered by the Mercedes-Benz
Limited Warranty.
iYou cannot shift with the steering
wheel gearshift buttons when the gear
selector lever is in positionP,N orR.
The last selected automatic program
mode (CorS) is switched on when the
engine is restarted.

179 Controls in detail
Automatic transmission
Downshifting
Briefly press the inside1 of one of the
buttons on the back of the steering
wheel.
The transmission will shift to the next
lower gear as permitted by the shift
program. This action simultaneously limits
the gear range of the transmission
(
page 175).
Upshifting

Briefly press the outside2 of one of
the buttons on the back of the steering
wheel.The transmission will shift to the next
higher gear as permitted by the shift
program.This action simultaneously
extends the gear range of the transmis-
sion.
Canceling gear range limit

Press and hold the outside2 of one of
the buttons on the back of the steering
wheel until
D reappears in the multi-
function display.
The transmission will shift from the current
gear range directly to gear rangeD.
Shifting into optimal gear range

Press and hold the inside1 of one of
the buttons on the back of the steering
wheel.
The transmission will automatically select
the gear range suited for optimal
acceleration and deceleration. This may
involve shifting down one or more gears.Emergency operation
(Limp-Home Mode)
If vehicle acceleration becomes less re-
sponsive, sluggish, or the transmission no
longer shifts, the transmission is most like-
ly operating in limp-home (emergency op-
eration) mode. In this mode only second
gear and reverse gear can be selected.
Stop the vehicle.

Move gear selector lever toP.

Turn off the engine.

Wait at least ten seconds before
restarting.

Restart the engine.

Move gear selector lever to positionD
(for second gear) orR.

Have the transmission checked at an
authorized Mercedes-Benz Center as
soon as possible.
Warning!
G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.

217 Controls in detail
Audio system
Direct frequency input
Select desired waveband.

Press * button.

Enter desired frequency with buttons
1to R.Manual tuning

Select desired waveband.

Press S or Tbutton for approx-
imately three seconds.

Press button repeatedly until desired
frequency has been reached.
Step-by-step station tuning takes place
in ascending or descending order. Each
time the button is pressed, the radio
tunes further by 0.2 MHz. During man-
ual tuning, the radio is muted.
Automatic seek tuning

Select desired waveband.

Press S or T button briefly.
The radio will tune to the next highest
or next lowest receivable frequency.Scan search


Starting scan search
Select desired waveband.

Press
SC soft key.
SC will appear in the display. The ra-
dio briefly tunes in all receivable
stations on the waveband selected.


Ending scan search
Press
SC soft key or S or T.
The station last played will be se-
lected and
SC disappears from the
display.
iYou can only enter frequencies within
the respective waveband.
If a button is not pressed within
four seconds, the radio will return to
the last station tuned.
iIf no station is received after two
consecutive scans of the complete
frequency range, then the scan stops
at the frequency from which it began.

219 Controls in detail
Audio system
Interrupting radio mode
The radio mode is interrupted by an incom-
ing call on the telephone* (
page 236)


Mute on
Press U button.
The radio mode is interrupted and MUTED
appears in the display.


Mute off
Press U button.
The radio mode is again active.
Weather band

Press
WB soft key.
The weather band station last received
is tuned in.Selecting a weather band station
directly

Select desired weather band station
with buttons 1 to 7.
If a station cannot be tuned in, a search
is automatically started.
Search

Press S or T button to tune in
the next receivable weather band sta-
tion.Scan search


Starting scan search
Press
SC soft key.
SC will appear in the display. The ra-
dio briefly tunes in all receivable
weather band stations.


Ending scan search
Press
SC soft key or S or T.
The weather band station last
played will be selected and
SC dis-
appears from the display.
iIf no weather band station is received
after three consecutive scans of the
complete frequency range, then the
scan stops at the channel with which it
began and
NO WB FOUND
appears in the
display.
If this happens, switch back to stan-
dard radio mode.

223 Controls in detail
Audio system
Tuning via the program category list
The category list contains all currently re-
ceivable categories of programs. It is
arranged alphabetically.

Selecting a category
Press
PTY
soft key.
The current PTY category of the sta-
tion is displayed.

Press
<<<
or
>>>
soft key.
This switches between the individu-
al categories.
When changing the category, the chan-
nel selected last in the new category
becomes audible.The system will automatically switch to
a station of the selected category if the
currently selected station is not of the
selected category. Otherwise, the cur-
rently selected station remains tuned.


Tuning a station within the selected
category
The channels identified for the current-
ly selected category are arranged
numerically. Only one entry is visible at
a time.
Press S or T button briefly.
The next station within the category
is started.
or

Press and hold S or T but-
ton for approximately three sec-
onds until desired station has been
reached.Tuning via scan search
Scan search is characterized as follows:


Scan search plays a channel for ap-
proximately eight seconds and then
skips to the next channel within the
current category.


Scan search can be terminated manu-
ally.

Press
SC soft key.
The search starts. SC appears in the
display.

Press
SC soft key again.
The search stops.