2004 MERCEDES-BENZ CLK COUPE keyless

317
Practical advice
Tr ou bleshooting
1 Au
dibl ewarning signals Problem Possible caus
e/consequ ence Suggested sol
utions The anti-theft alarm system* is suddenly
trigger
ed. You have opened the vehicle using the
emergency key ele
ment while the anti-
theft alarm system* was still primed. Remote control:
6
Press the Œor‹ button.
or 6 Insert the key into the ignition lock.
The anti-thef talarm system* is deacti-
vated.
KEYLESS GO*:
6 Press the KEYLESS GO button* on the
selector lever. The KEYLESS GO key
must be inthe vehicle.
The anti-theft alarm syste mis deactivat-
ed. 209en_d2.boo Seite
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322 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequ ence Su
ggested solutions The fuel tank has run dry in a vehicle with
a diesel engine. There is air
inthe fuel system. 6
After refuelling, turn th estarter motor
for up to 60 seconds without interrup-
tion until the engine is runn ing smooth-
ly.
The fuel system is bled.
If the engine does not start:
6 Wait for two minutes.
6 Repeat the startin gprocedure for up to
60 seconds.
If the vehicle still does not start:
6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. The fuel filler flap cannot be opened. The fuel filler flap
isnot unlocked. The
batteries in the remote control or the
KEYLESS GO key* are discharged. 6
Unlock the boot using the emergency
key element (
=page 34 1).
6 Unlock the fuel filler flap manually
( = page 342). The fuel filler flap
isunlocked but the
opening mechanism is jamme d. 6
Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. 209en_d2.boo Seite
322 Dienstag, 25. Mai 2004 7:26 19

337
Practical advice
Tr ou bleshooting KEYLESS GO*
Problem Possible cause
/consequ ence Suggested solutions
You cannot
lock or unlock the vehicle us-
ing the KEYLESS GO key. The KEYLESS GO key batteries are dis-
charged or nearly discharged. 6
Lock or unlock the vehicle with the re-
mote control function on the KEYLESS
GO key. Point the tip of the key at the
driver's door from close ra nge.
If this does not work:
6 Lock or unlock the vehicle using the
emergency key element (
=pa ge 341).
6 Check the KEY LESSGOkey batteries
and change them if necessary
(= page 355). There is a fault in the KEYLESS GO system. 6
Lock or unlock the vehicle with the re-
mote control function on the KEYLESS
GO key.
6 Have the KE YLESS GO key checked at
a qu alifie dspecialist workshop, e.g. a
Mercedes-Benz Serv ice Ce ntre. 209en_d2.boo Seite
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338 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequence Suggested solutions
You cannot lock or unlock the vehicle us-
ing the KEYLESS GO key. There is strong interference from a radio
source. 6
Lock or unlock the vehicle using the
emergency key element (=
page 341). The battery check lamp in the KEYLESS GO
key does not light up
when tested. The KEYLESS GO key batteries are dis-
charged. 6
Change the batteries ( =page 355). The vehicle cannot be started using the
KEYLESS GO key and the selector lever
button. The KEYLESS GO key is in the vehi-
cle. A door is open. The key cannot be easily
detected. 6
Close the door and restart the engine. You did not depress the brake pedal
when
starting the engine. 6
Depress the brake pedal and press the
KEYLESS GO button on the selector le-
ver. There is strong interference from a radio
source. 6
Start your vehic lewith the KEYLESS GO
key in the ignition lock. You have lost the KEYLESS GO key. 6
Have the KEYLESS GO ke ycancelled at
a Mercedes-Benz Servic eCentre.
6 Report the loss immediately to the ve-
hicle insurers.
6 If necessary, have the manual locks
changed too. 209en_d2.boo Seite
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354 Practical advice
Changing the key batteries
If the remote control or KEYLESS GO key*
batteries are discharged, you will only be
able lock and unlock the vehicle manually
with the emergency key element
( = pa ge 341).
If the auxiliary heating* remote control
batteries are discharged, you will only be
able to switch the auxiliary heating on and
off with the sw itch inside the vehicle
( = pa ge 176).
It is advisable to have the batteries re-
placed at a qua lified speci alist workshop,
e.g. a Mercedes-Benz Servi ceCentre. i
Onlyever replace batteries in pairs.
Suitable batteries can be ob tained at a qualified
sp ecialist workshop, e.g. at a Mercede s-Be nz
Service Centre.
They will also cha nge batteries for youand take
back old ba tteries. In manyEU cou ntries and
some other countri es, retail outlets are obliged
to take bac kold batteries. You need two
3VCR 2025 cell batteries.
1 Emergency key element
2 Battery tray with release cat ch
6 Pull out emergency key element 1
(= page 341).
6 Press the grey release catch in the
opening in the direction of the arrow
using the emergency key element.
The battery compartment is unlocked.
6 Pull battery tray 2out of the remote
control in the direction of the arrow. Changing the key batteries
G
Risk of poisoning Batteries cont
ain poisonous and caustic
substances. Yoush ould therefore keep bat-
teries out of the reach of children.
If a battery is swallowed, consult a doctor
immediatel y. H
Environmental note Do not dispose of bat
teries with the house-
hold rubbish. Batteries contain highly toxic
substances.
Take discharged batteries to a qualified
sp ec ialist works hop, e.g. a Mercedes -Benz
Service Centre, or a special collection point
for old batteries. Remote control209en_d2.boo Seite
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355
Practical advice
Changing the key batteries
3 Batteries
4 Contact spring
6 Remo ve old batter ies3 out of the bat-
tery tray.
6 Insert the new batteries undern eath
contact spring 4with the positive ter-
minal facing upwards. Use a lint-free
cloth to do this.
6 Slide the bat tery tray back into the re-
mote contro lhousing until itsnaps into
place.
i When inserting the batteries, make sure that
the yare clean and lint-free.
6 Test the function of all the remote con-
trol buttons on the vehicle. Yo
un eed two 3V CR 2025 cel lbatteries.
6 Pull out the emergency key element
(
= page 341).
6 Release the battery tray and pull out
the key (=
page 355).
1 Batteries
2 Contact spring 6
Pull out old batteries 1in the direction
of the arrow.
6 Insert the new batteries underneath
contact spr ing 2 with the posit ive ter-
minal facing upwards. Use a lint-free
cloth to do this.
6 Slide the battery tray back into thekey
housing until it snaps into place.
i When inserti ngthe batteries, make sure that
they ar eclean and lint-free.
6 Test the KEYLESS GO functions on the
vehicle. KEYLESS GO key*209en_d2.boo Seite
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377
Practical advice
Battery
Always disconnect the batte ryin the order
describ edbelow. Youco uld otherwise
damage the vehicle's electronics. 1
Retainin g clamps
6 Firmly depress the parking brak e and
move the selector lever to position P.
6 Switch off all electr ical consumers.
6 Turn the key to position 0and remove
it.
6 Open the bonnet. 6
Loosen retaining clamps 1and re-
move the airint ake housing.
6 Remove the negative terminal from the
battery.
6 Remove the cover from the positive
termi nal.
6 Remove the positive ter minal fromthe
battery.
6 Disconnect the breather hose from the
battery.
6 Disconnect the battery ( =page 377).
6 Unscrew the battery holder used to
prevent the battery from slipping and
remove the battery. Disconnecting the battery
G
Risk of accident If the batt
ery is dis connected:
! thebrake boosting effect will not be
available to you. Considerably greater
braking force will then be required and
brake pedal travel will be increased. It
may be necessary to depress the brake
pedal with full force
! youca n no longer turn the ignitio nkey
or , if using KEYLESS GO*, pressin gthe
KEY LESS GO button* has no effect on
the selector lever
! the selector lever is locked in position P
on vehicles with automatic transmis-
sio n* P
54 .10-2137-31 Removing the
vehicle battery 209en
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423
Technical terms
Interior motion sen sor*
Anti-theft system which triggers an
alarm if the side windows are smashed
and someone reaches into the vehicle
when the vehicle is locked.
IRS* (->Interior motion sensor)
KEYLESS GO* System for operating the vehicle with-
out a key.
Ki ck down
On vehicles with ->automatic transmis-
sion*, the transmission is shifted down
to a lower gear when the accelerator
ped alis depressed beyond the pres-
sure point. This increases the rate of
vehicle acceleration. Knock
resistance
Resistance of petrol against uncon-
trolled self-ignition of th egas-air mix-
ture in the cylinder head (knocking).
The octane number is a measure of
knock res istance. The higher the oc-
tane number, the higher the knock re-
sistance.
Lamp Spreads and forms the beam of light
from a ->bulb, e.g. headlamps.
LED (L ig
ht -E mitting D iode);
Semiconductor element that converts
electr icity directly into light.
Light emitting diode
->LED Light sensor
Detects ambient light conditions to
contro lwhether the following lamps
should be switched on and off automat-
ically:
! Dipped -beam headlamps
! Side lamps
! Licence plate lighting
LI M indicator lamp
(Lim it
er)
Indicator lamp in the ->cruise control
lever which indicates whether the
->Speedtronic variable speed limiter is
ac tivated.
Locking knob Knob on the door whi chshows whether
the doo ris locked or unlocked. 209en_d2.boo Seite
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