2005 MERCEDES-BENZ CLK500 CABRIOLET keyless

353 Practical hints
What to do if …?
Where will I find...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Replacing batteries in the SmartKey/ SmartKey with KEYLESS-GO*
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses

373 Practical hints
What to do if …?
Display
Display message
Possible cause
Possible solution
P
Selector lever
in park position
You have turned off the engine with the
KEYLESS-GO* start/stop button in gear
selector lever positionN and opened the
driver’s door.
or
You have attempted to switch off the en-
gine with the KEYLESS-GO* start/stop
button while the gear selector lever was in
positionR orD.

Place the gear selector lever in
positionP.
Please
shift to
P or N
You have attempted to start the engine
with the KEYLESS-GO* start/stop button
while the gear selector lever was in
positionR orD.

Place the gear selector lever in
positionP or N.

382 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.

Refuel at the next gas station
(page 302).
Y
Hood open!
You are driving with the hood open.

Close the hood (
page 306).
I
Remove key
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the start-
er switch.
Replace key
No additional code available for SmartKey
or SmartKey with KEYLESS-GO*.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Key
Check battery!
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Change the batteries (
page 412).
Key
not recognized!
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause

the SmartKey is not in the vehicle


there is strong radio-frequency inter-
ference

Stop the vehicle as soon as it is safe to
do so.

Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started
again after the engine has been stopped.
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.

Change the position of the SmartKey
in the vehicle.

Operate the vehicle with the SmartKey
in the starter switch if necessary.
Keyless Go
Check system
The KEYLESS-GO* system is malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.

383 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
I
Key recognized
in vehicle!
A SmartKey with KEYLESS-GO* left in the
vehicle was recognized while locking the
vehicle from the outside.

Take the SmartKey out of the vehicle.
Key
do not forget key
This display appears (for a maximum of
60 seconds) if the driver’s door is opened
with the engine shut off and no SmartKey
in the starter switch.
Message is only a reminder.

Insert SmartKey in the starter switch.

Take the SmartKey with
KEYLESS-GO* with you when leaving
the vehicle.
.
3rd brake lamp
The high mounted brake lamp is malfunc-
tioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Brake lamp
Drive to workshop
Stop lamp illumination is delayed or lamp
is permanently on.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Brake lamp, left
The left brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Brake lamp, right
The right brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Display malfunction
Visit workshop
The display for the lamps or the system is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Front foglamp, left
The left front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
Front foglamp, right
The right front fog lamp is malfunctioning.

Replace the bulb as soon as possible.

397 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you are unable to unlock the vehicle with
the SmartKey or KEYLESS-GO*, open the
driver’s door and the trunk using the
mechanical key.
1Mechanical key locking tab
2Mechanical key

Move locking tab1 in direction of
arrow.

Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking

Insert the mechanical key into the
driver’s door lock until it stops.

Turn the mechanical key counterclock-
wise to position1.
The driver’s door is unlocked.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button Œ or ‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
Vehicles with KEYLESS-GO*:


Pull the outside door handle.


Press the KEYLESS-GO* start/stop
button (
page 35).

407 Practical hints
Opening/closing in an emergency

Place both straps on soft top compart-
ment cover.

Take hex wrench out of trunk.

Close trunk lid.
You will only have access to the trunk
again when the emergency operation
has been completed.

You and your assistant should each
take one of the straps by the handle.

With a strong, simultaneous tug on the
loops, pull soft top compartment cover
upward and out to the rear.
iDo not place the SmartKey in the open
trunk. You may lock yourself out.
Vehicles with KEYLESS-GO*: To pre-
vent a possible inadvertent lockout, the
trunk lid will open automatically if a
SmartKey with KEYLESS-GO* is recog-
nized in the area of the rear shelf or in-
side the trunk.!The trunk lid must remain closed during
the next steps in the procedure. Other-
wise the trunk lid and the soft top com-
partment cover may come into contact
with one another and be damaged.Warning!
G
At this point, the remaining procedure
needs to be done by two people. Otherwise
you could be injured.


412 Practical hintsReplacing batteries in the SmartKey/ SmartKey with KEYLESS-GO*If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an
authorized Mercedes-Benz Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
SmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key1
(page 397).
1Mechanical key
2Battery compartment

Insert mechanical key 1 in side
opening and push gray slide.
Battery compartment2 is unlatched.

Pull battery compartment 2 out of the
SmartKey housing in direction of
arrow.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen inserting the batteries, make
sure they are clean and free of lint.iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

413 Practical hints
Replacing batteries in the SmartKey/ SmartKey with KEYLESS-GO*

Remove the batteries.
3Battery
4Contact spring

Using a lint-free cloth, insert new
batteries 3 under the contact
spring4 with the plus (+) side facing
up.

Return battery compartment 2 into
housing until it locks into place.

Slide mechanical key 1 back into the
SmartKey.

Check the operation of the SmartKey.
SmartKey with KEYLESS-GO*
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key (
page 397).

Insert the mechanical key in side open-
ing and push grey slide.
The battery compartment is unlatched.

Pull the battery compartment out of the
SmartKey housing.
1Battery
2Tilt battery up
3Mechanical key

Using mechanical key3, apply
pressure to position2.
Battery1 tilts up slightly.

Pull batteries1 out in direction of
arrow.

Using a lint-free cloth, insert new
batteries1 with the plus (+) side
facing up.

Return battery compartment into hous-
ing until it locks into place.

Slide mechanical key 1 back into the
SmartKey.

Check the operation of the SmartKey
and the KEYLESS-GO*.