2004 MERCEDES-BENZ CLK55AMG CABRIOLET lock

349 Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
A minimum height clearance of 5.41 ft
(1.65 m) is required to open the trunk lid.
The lock is located next to the recessed
handle.
1Unlocking in an emergency
2Handle

Insert the mechanical key into the
trunk lid lock.

Turn the mechanical key counterclock-
wise to position1 and hold it in this
position.

Pull the trunk lid handle2 and lift the
trunk lid.
The trunk opens.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger door and the trunk
lid.

Press the central locking switch in the
cockpit (
page 108).

Check to see whether the locking knob
on the passenger door down. If neces-
sary push it down manually.

Lock the driver’s door with the me-
chanical key.

Lock the trunk lid if necessary with the
mechanical key (
page 106).
! Always make sure there is sufficient
overhead clearance.

350 Practical hintsUnlocking/locking in an emergencyChanging 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 autho-
rized 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
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.

Remove mechanical key1
(page 348).

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

Pull the battery compartment out of the
SmartKey housing in direction of ar-
row.

Remove the batteries.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

351 Practical hints
Unlocking/locking in an emergency
3Battery
4Contact spring
Using a lint-free cloth, insert new bat-
teries under the contact spring with the
plus (+) side facing up.

Return battery compartment into hous-
ing until it locks into place.SmartKey with KEYLESS-GO*
1Battery
2Tilt battery up
3Mechanical key
Replacement batteries: Lithium, type
CR 2025 or equivalent.

Remove mechanical key (
page 348).

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 in direction of ar-
row.

Using mechanical key3, apply pres-
sure to position2.
Battery1 tilts up slightly.

Pull batteries1 out in direction of ar-
row.

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

Return battery compartment into hous-
ing until it locks into place.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

352 Practical hintsUnlocking/locking in an emergencyFuel filler flap
In case the central locking system does
not release the fuel filler flap, you can open
it manually.
Open trunk lid.

Remove right side trim panel in the
trunk.

Reach inside through opening2 in di-
rection of arrow.

Turn release knob 1 clockwise (ar-
row).
The fuel filler flap can be opened.Manually unlocking the gear selector
lever
In case of power failure, the gear selector
lever can be manually unlocked, e.g. to tow
the vehicle.
Open the storage compartment under
the center armrest (
page 251).

Take out cover 1.

Insert a pin into the opening of
division2 and pry the division out.

Insert a tool3 (e.g. screwdriver) into
the opening.

Perform the following two steps simul-
taneously:
Push pin3 forward in the direction
of the arrow.

Move selector lever from
positionP.

Reinstall the division and cover after re-
moving the tool from the opening.iThe gear selector lever is locked again
when moving it to positionP.

353 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Operating roll bars manually
Releasing roll bars manually
If the roll bar system is malfunctioning, you
can release the roll bars manually.

Close the soft top (
page 219)

Open the trunk (
page 98)

Fold back the luggage cover
(page 216).

Open ski sack roller blind
(page 217).

Take hex wrench out of the
Mercedes-Benz vehicle literature
pouch.1Perforation

Push hex wrench through
perforation1 in trim of rear wall in
trunk.
Warning!
G
If the yellow roll bar warning lamp in
the clock does not go out after starting the
engine, or if it comes on while driving, then
the roll bar system is not operating properly
and may not activate in an accident. In this
case, raise the roll bars manually before
continuing to drive.
For safety reasons drive only with the roll
bars raised until the malfunction is repaired.
Have your vehicle checked at an authorized
Mercedes-Benz Center.
iThe soft top cannot be operated after
the roll bars have been manually re-
leased.
Warning!
G
Make sure no one is located in the roll bar’s
path of motion while the next steps are be-
ing carried out.
When the roll bar is manually released, the
rear head restraints and the roll bar under-
neath shoot up almost instantaneously.


356 Practical hintsOpening/closing in an emergencyYour vehicle may be equipped with an ad-
ditional locking mechanism for soft top
emergency operation.
Before continuing, check whether your ve-
hicle is equipped with the additional lock-
ing mechanism:
Open the trunk.

Open the left side trim panel in the
trunk.
Vehicles without additional locking
mechanism1Screw of hydraulic pump
Follow the instructions on
(page 357).
Vehicles with additional locking
mechanism1Locking mechanism
2Screw of hydraulic pump
Follow the instructions on
(page 364).

357 Practical hints
Opening/closing in an emergency
Vehicles without additional locking
mechanism
Engage parking brake

Lower the side windows.

Lower rear head restraints
(page 111).

For safety reasons, remove SmartKey
from starter switch.

Open the trunk.

Lift the trunk floor cover.

Take the two straps for soft top emer-
gency operation out of vehicle tool kit
(page 343)

Take hex wrench out of the
Mercedes-Benz vehicle literature
pouch.

Open the left side trim panel in the
trunk.1Hex wrench
2Screw of hydraulic pump

Insert hex wrench 1 into screw2.

Turn hydraulic pump screw2 counter-
clockwise one revolution with hex
wrench 1.
iIf the rear head restraints cannot be
lowered, the roll bars may have been
released. For more information, see
“Operating roll bars manually”
(page 353).
!Do not operate the soft top switch with
screw2 in the opened position, other-
wise the hydraulic pump could be dam-
aged.


359 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.