2004 MERCEDES-BENZ CLK CABRIOLET Owners Manual

334 Practical advice
Trouble
shoo ting Key and remote control
Problem Possible caus
e/consequ ence Su
ggested solutions You cannot lock or unlock the vehicle us-
ing the remote control. The remote control batteries are dis-
charged or almost discharged. 6
Point the tip of the remote control at the
driver's door from close range and try
aga in.
If this does not work:
6 Lock or unlock the vehicle using the
emergency key element ( =page 341).
6 Check the remote control batteries
(
= page 80) and change them if neces-
sary ( =pa ge 354). The remote control is faulty. 6
Lock or unlock the vehicle using the
emergency key element ( =page 341).
6 Have the remote control checked at a
qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre. 209en_d2.boo Seite
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335
Practical advice
Tr ou bleshooting Problem Possible caus
e/consequ ence Suggested sol
utions The battery check lamp on the remote
control does not light up when teste
d. The remote control batteries are dis-
charg
ed. 6
Chang ethe batteries ( =page 35 4). You have lost
are mote control. 6
Have the remote control cancelled at a
Mercedes-Benz Serv ice Ce ntre.
6 Report the loss immediately to the vehi-
cl e insurers.
6 If necessary, have the manual locks
changed too. You have
lost the emergency key element. 6
Report the loss immediately to the vehi-
cl e insurers.
6 If necessary, have the manual locks
changed too. The key cannot be turned in the ignition
lock. The key has been
inposition 0for an ex-
tended period. 6
Remove the key and re-insert it inthe ig-
nition lock.
6 Check the starter battery and chargeit
if necessary.
6 Switch on the ignition. 209en_d2.boo Seite
335 Dienstag, 25. Mai 2004 7:26 19

336 Practical advice
Trouble
shoo ting Problem Po
ssible caus e/consequ ence Su
ggested solutions The key cannot be turned
inthe ignition
lock. The
on-board voltage is too low. 6
Switch off consum ers that are not re-
quired, e.g. seat heating or interior light-
in g, an d try toturn the key again.
If this does not work:
6 Check the star ter battery and charge it
if necessary.
or
6 The vehicle may be jump-started
( = page 379).
or 6 Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. 209en_d2.boo Seite
336 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
337 Dienstag, 25. Mai 2004 7:26 19

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
338 Dienstag, 25. Mai 2004 7:26 19

339
Practical advice
Tr ou bleshooting Aux
iliaryheatin g* Problem Pos
sible caus e/consequ ence Suggested solutions
The auxiliary heating is not
working. The fuel tank is only a quarter full. 6
Refuel at the nearest filling station. The battery check lamp on the auxiliary
heating remote control lights up in orange. The remote control batterie
sare nearly
dis charge d. 6
Change the remote control batte ries
(= page 356). The battery check lamp on the auxiliary
heating remot
e control flashes in oran ge. The remote control batteries are dis-
charg
ed. 6
Change the remote contro lbatte ries
(= page 356). 209en_d2.boo Seite
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340 Practical advice
Trouble
shoo ting Leaving the vehicle parked up
Problem Possibl
ecaus e/consequ ence Su
ggested solutions You wish to
leave the vehicle parked up
for a long period of time (longer than
six weeks). 6
Consult a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
6 Disconnect the battery ( =page 377). 209en_d2.boo Seite
340 Dienstag, 25. Mai 2004 7:26 19

341
Practical advice
Opening /closing in an emergency Unlocking
the driver's door
If you can no longer lock or unlock the driv-
er's door using the key, use the emerge ncy
key element.
1 Emergency key element release catch
2 Emergency key element Pull release catch
1in the direction of the
arrow and, at the same time, pull emergen-
cy key elem ent2 out of the key.
3 To unlock
4 To lock
6 Unlock the door using the emerge ncy
key element. To do this, sli dethe emer-
gency key element to the stop in the
lo ck andt urnit an ti-c lockwise. i
The anti-t heft alarm system will be triggered
if you open yourvehicle using the emergency key
el eme nt.T here are several ways of switchin gof f
the alarm:
! Press theŒ or‹ button onthe key.
! Insert the key into the ignition lock.
! Pressthe KEYLE SSGO button* (= page 23). Un
locking theb oot
If the boot can no longer be locked or un-
locked using the key, unlock it as follows
using the emergency key element: Openi
ng/closi ngin an emergency Unlocking
the vehic le
P 80.20-2319-31 P 80.00-2057-31209en_d2.boo Seite
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