2004 MERCEDES-BENZ CLK CABRIOLET ECO mode

170 Controls in detail
Thermotronic* (intelligent air conditio
ning)
6 When the win dscreen isclear, press
the P button again.
The indicator lamp in the Pbutton
goes out. Windscreen miste
dup on the outside
6 Switch on the win dscreen wipers
(= page 41 ).
6 Close the air vent at the top of the
coc kpit.
If Thermotronic automatic mode is
switched off: 6 Turn air-distribution control 1or8 to
a orY . You can switch off the flow
offresh air if
unpleasant smells are entering the vehicle
from outside. No more fresh air is taken in
and the air inside the vehicle isrecircu-
lated. Switching on
6
Press the Obutton.
The indicator lamp in the button lights
up.
i Air-recirculation mode switches onautomat-
ically at high out side temperature s.The indicator
lamp in theO button is not lit.
Ou tside air is taken in after approximately
30 minutes. Switching
off
6 Press the Obutton.
The indicator lamp in the button goes
out.
i Air-recirculation mode switche soff auto-
matically:
! after around 30 minutes at outsid etem pera-
tures above approximately 5°C
! after around five minutes at outside temper-
atures below approximately 5°C
! after around five minutes if the cooling func-
tio nis swit chedoff (
=page 172)
Air-recirculation mode with conven- ience
opening /closing feature
Switching on /closing
6 Press the Obutton for longer than
two seconds.
The indicator lamp in the button lights
up. The side windows and the slidin g/
tilting sunroof* close. Air-recirculation
mode isswitched on. Air-rec
ircu lation mode G
Risk of accident Only switch over to air-recirculation mode
briefly if the outside
temperature isbelow
5° C. The window scould oth erwise mist up.
As a result, you may no longer be able to
obs erve road and traffic conditions and cause
an acciden t. 209en_d2.boo Seite
170 Dienstag, 25. Mai 2004 7:26 19

171
Controls in detail
The rmotronic* (intelligent air conditionin g)
Switching off /opening
6 Press the Obutton for longer than
two seconds.
The indicator lamp in the button goes
out. The side windows and the sliding /
tilting sunroof* move back to their ori g-
inal position. Air-recirculation mode is
switched off.
i If you op ena window orthe slidi ng/tilting
sunroof* manually after they have been closed
us ingthe convenienc e closing featu re,the ywi ll
remain in this positio nwhen opened using the
convenience opening feature. Ac
tivated charcoal filter with pollutant- sensitive air-re
circulation mode
The act ivat ed charcoal filter reduces pol-
lutants and odours taken into the vehicle
from the outside air. You can swi tch the
activated charcoal filter on or off as you
wi sh.
Th ermotronic automatically switches to
ai r-rec irculation mo deif:
! the activated charcoal filter is switched
on
! speci fied carbon monoxide or nitro gen
oxide values are exceeded in the out-
side air
i Polluta nt-s ensitive air-recirculation mode is
not avai lable if the cooling function is switched
off ( =
page 172) or the out side temperature has
fallen below 5°C.
Switching on
6 Press the ebutton.
The indicator lamp in the button lights
up. The activated charcoal filter is
switched on. Switching off
6 Press the ebutton.
The indicator lamp in the button goes
out. The activated charcoal filter is
switched off.
When you switch off the engine, you can
heat the vehicle for up to a further 30 min-
utes us ing the engine's residual heat.
i Theheatingtim edepen dson:
! the interior temperature seton the control
panel ( =page 165)
! the coolant temperature
The blower runs at a low speed regardless of the
air flow setting. G
Risk of accident Make sure that nob
ody can become trapped
when the slidin g/tilting sunroof* and the
sid ewindows are bei ngclosed.
Pr ess the roof switch in the appropriate
dire ction to halt the closing procedure and
open the slidi ng/tilting sunroof*. Residual heat209en_d2.boo Seite
171 Dienstag, 25. Mai 2004 7:26 19

175
Controls in detail
Auxil iary heating /ventilation*
The auxiliary heating heats or ventilates
the vehicle interior to the temperature that
you have set using the temperature con-
trol.
You can set up to three sw itch-on times
using the operating system, one of whi ch
can be preselected ( =pa ge 126).
You can switch the auxiliary heating /
ve ntilation on and off immediately using:
! the sw itch on the centre console
(= page 176)
! the remote control ( =page 176)
In order to call up the Heater submenu in
the operating system directly:
6 Make sure that the ignition is set to 1
or 2.
6 Briefly press the auxiliary heating /
ventilation swi tch (
=pag e176). The auxiliary heating switches off automat-
ically after 50 minutes. You can have this
time changed. To have this done, please
visit a qua lified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
i The fuel tankmu st be at least a quarter full
to ensur eth at the auxiliary heating can operate. i
The auxiliary heatin g/ventilation automati-
cally adjusts to variat ions inthe outside temper-
ature and changes in wea ther. It is therefore
poss ible for the auxiliary heating to switch from
ventilation mode to heating mode or from heat-
ing mode to ventilation mode.
6 It is preferable to set the air condition-
ing to U.
i The auxi liary heating /ventilation can be
switched on ev en if theair conditioning isset to
manual. However, optim umcomfort wil lonlybe
achiev edif the air conditioning is set to U.
6 Set the interior temperature to the
desired value.
The auxiliary heating /ventilation
adjusts to the temperature set.
i Itis recommended that you set the temper-
ature to 22 °C. Auxiliary heati
ng/ventilation* G
Risk of fire and poisoning Ex
ha ust fumes are produced when the auxil-
iary heating is inoperation. For this reason,
switch off the auxiliary hea ting in confined
spaces which do not have an extraction sys-
tem, e.g. a gara ge.
Operating the auxiliary heating at filling sta-
tions or when refuelling your vehicle isprohib-
ited. For this reason, switch off the auxiliary
heati ngwhe nref uellin g. Be
fore switching on 209en_d2.boo Seite
175 Dienstag, 25. Mai 2004 7:26 19

196 Controls in detail
Driving systemsDeactivating
cruise control
1 Todeactivate cruise control
2 Todeactivate cruise control,
to select Speedtronic
There are various ways of deactivating
cruise cont rol:
6 Pres s the cruise control lever briefly in
the direction of arrow 1.
Cr uise control is deactiv ated.
or
6 Apply the brakes.
Cruise control is deactiv ated.
or 6
Press the cruise control lever briefl yin
the direction of arrow 2.
Cruise control isdea ctivat ed .V ariabl e
Speedtronic is selected. The LIM indi-
cator lamp in the cruise control lever is
lit.
i The last spe edstored is cle ared when you
st op the engine.
All models excep tCLK 500:
Cruise control is automatically deacti vated
if:
! aquaplaning is detected, for example
! you depress the clutch pedal for more
than four seco nds on vehicles with
manual transmission
! you move the selector lever to Non a
vehicle with automatic transmission*
when the vehicle is motion CLK
500:
Cruise control is automatically deactivated
if:
! you move the selector lever to Nwhile
the vehicle isin motion
! you apply the parking brake
! you dea ctivate ESP
! ESPcu ts in
! you are driving at a speed of less than
30 km /h
A signal sounds and the segments in the
speedometer go out when cruise control is
deactivat ed. 209en_d2.boo Seite
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209
Controls in detail
Driving systems
or
6 Press the cruise control lever briefly in
the direction of arrow 2.
The current speed is stored.
All models exce ptCLK 500:
Speedtronic rounds the speed down to
the next multiple of 10 km /h.
The stored speed is shown in the mul ti-
function display. The segments in the
speedometer from the start of the scale up
to the stored speed light up.
i Allmo dels except CLK 500 and vehicles
with Distronic*
Sp eedtron ic maybe unabl etoprevent thespeed
limit fro mbeing exceeded on downhill gradients.
If th is happens:
! a signal sounds
! you will see theLIMIT exceeded!message
in the multi-function display
You should then brake yourself if necessary. Resuming a stored speed
1 To resume a stored speed
6 Press the cruise control lever briefly in
the direction of arrow 1.
If the vehicle is travel ling at a maximum
of 30 km /habove the stored speed
li mi t,Sp eedtro nicadjusts the vehicle's
speed to the last speed stored. Adjustment in 10 km
/hincrements
1 Toadjust: 10 km /hfaster
2 To adjust: 10 km /hslower
Higher speed 6 Pressthe crui secontro l le ver briefly in
the direction of arrow 1.
or
6 Press and hold the cruise control
lever in the direction of arrow 1until
th ede sired speed has been reached. 209en_d2.boo Seite
209 Dienstag, 25. Mai 2004 7:26 19

232 Controls in detail
Features
iVario us mo bile phone models have specific
telephon ebracket sthat may be installed in your
ve hicle .These telephone brackets can be
obtained ata qualified specialist workshop, e.g.
at a Mercedes-Benz Service Centre.
The functions and servic esavailable toyou when
making a call differ depending on your mob ile
phone model and your ser vice provider.
The telephone bracket for the mobile
phone is in the armrest.
6 To open the telephone compartment
(=
page 227). Inse
rtin g the mobile phone inthe tele
phonebr acket
If you insert the mobile phone into the tel-
ephone bracket, you can only speak to the
person you are calling using the hands-free
system.
! Do not attempt toremove the mobile phone
together wit hthe te lephone bracket. You could
otherwis edamage the telephone bracket.
6 Remove the round cover on the rear of
the mobile phone and keep itin a safe
place. Mobile phone*
G
Risk of accident Only use the telephone
when road and traf-
fic conditions permit. If you are not using the
hands-free system, pull over in a suitable
are ato ma kea call.
Mobile phones used inside the vehicle could
interfere with the vehicle's electronics and
thereby impair the correct operation of the
veh icle and your own safety if the phone is
used:
! without an exterior aerial
! without an exterior aerial whi chhas
be en fitted in such a way as to be reflec-
tion-free
! with an incorrectly fitted exterior aerial
The excessive levels of electromagnetic
radiation could also be damaging to your
health and the health of others. For thi
sreason, only have the exterior aerial
fitted at a qualified specialist workshop
which has the necessary specialist knowl-
edge and tools to carry out th ework
required. Mercedes-Benz recom mends that
you use a Mercedes-Benz Service Centre for
this purpose. In particular, work relevant to
safety or on safety-related systems must be
carried out at a qualified specialist work-
shop. 209en_d2.boo Seite
232 Dienstag, 25. Mai 2004 7:26 19

249
Operation
Tyres and wheels
! For safe tyreasons, Mercedes-Benz recom-
mend syou only use tyre swhich have bee nspe-
cially approved for yourvehicle byMercede s-
Benz. These tyres are specially suite dto your
vehicle's control systems, such as ABS or ESP.
Mercedes-Benz can accept no responsibility for
damage resulting from using tyr esother than
those approved for your ve hicle .Information
about tyr esmay be obtained from any
Mercedes-Benz Serv ice Centre.
If you use tyres other tha nthose which have
been test edand recommended for Mercedes-
Benz, cha racteristics suc hashandling, noi se
levels and fuel consum ption may beadversely
affected. Moreo ver, dimensional variations and
different tyre defo rmation characteristics when
running under load could cause the tyre to make
contact with thebo dywork or axle components.
The consequen cecould be damage to the tyre or
to the vehicl e. !
Retreaded tyres are neither tested nor
re commended for Mercedes-Benz vehicle s,as
previous damage cannot always be det ectedon
re treaded tyres. As aresul t, Me rced es-Benz
ca nnot guarantee driving safety.
Modification work on the brake system
and wheels is not permi tted, nor is the use
of spacer plates or brake dust shields. Any
such modifications invalidate the vehicle's
genera loperating permit. !
Only fit tyres and wheels of the same
type and make.
! Onlyfit ty res of the correct size to the
wh eels.
! Run in new tyres at moderate speeds
forthe first 10 0km.
! Check the tyres and wheels for damage
regularly, at least every 14 days. Dam-
aged rims could cause a loss of tyre
pre ssur ean d damag eto th e wheels.
! Check the tyre pressures regularly and
correct them if necessary – see Fuel
fil ler cap (
=pa ge 241).
! Do not continue to use tyres with se-
vere lyworn treads. Tyre grip dec reases
rapidly on wet roads below a tread
depth of 3 mm. Tyres and wheels
G
Risk of accident Only use wheels of the dimensions
stated in
the vehicle registration documents. If other
wheel sizes are used:
! the wheel brakes or chassis compo-
nents could be damaged
! wheel and tyre clearance scan be no
longer guaranteed Poi
nts to bear inmind 209en_d2.boo Seite
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255
Operation
Driving tips
You will find basic driving tips inthe
"Getting started" section ( =page 32). On
long and steep downward gradients,
you shou ldshi ftto a lower gear (shift rang-
es 1,2or 3) (
=page 137). This prevents
the brakes overheat ing and wearing too
qui ckly.
If you have subjected the brakes to a very
high load, do not switch the vehicle off im-
mediately, but drive on for a short dis-
tance. The brakes will cool more qui ckly in
the airflow.
If you drive for a long period in heavy rain
withou tbr ak ing, the first tim eyou br ake:
! the brakes may not react immediately
! you may have to depress the brake
more firmly
You should therefore maintain a greater
distance from the vehicle in front. Brake carefully after driving on a
wet road
surface, particularly if sal thas been spread
on the road. The brake discs will become
warm, will dry quicker and will be protect-
ed from corros ion.
If you only use the brakes moderately, you
shoul doccasionally check their effective-
ness. To do so, brake more firmly and at a
higher speed. This improves brake grip.
Mercedes-Benz recommends that, for
safety reasons, you only fit brake pad sto
your vehicle whi chhave been approve dfor
Mercedes-Benz. Brake pads whi chhave
not been approved for Mercedes-Benz ve-
hicles may adversely affect the safety of
your vehicle. Dr
iving tips Rolling with the engine swi
tchedoff G
Risk of accident There is no power assistance for the
steer-
ing or service brake when the engine is not
running.
You will re quire considerably more effort to
st eer and brake and you could therefore
lose control of the veh icle and cause an
accid ent.
Never switch the engine off while the vehicle
is in motion. Braking
G
Risk of accident Make sure that other road users ar
enot en-
dangered when you brake. 209en_d2.boo Seite
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