2007 MERCEDES-BENZ SLK350 lock

387 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey, open the driver’s door and the
trunk using the mechanical key. Removing 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
Insert mechanical key 2 into the
driver’s door lock until it stops.
Turn mechanical key 2 counterclock-
wise to position1 until the locking
knobs moves up.
The driver’s door is unlocked.
Pull the door handle to open the
driver’s door.
iUnlocking the vehicle with the mechanical
key and opening the driver’s door or the trunk
will trigger the anti-theft alarm system
(
page 90).
To cancel the alarm, insert the SmartKey in the
starter switch.
1Unlocking
2Mechanical key

388 Practical hints
Unlocking/locking in an emergency
Unlocking and opening the trunk
A minimum height clearance of
5.78 ft (1.76 m) is required to open the
trunk lid.Insert mechanical key 3 into the trunk
lid lock until it stops.
Turn mechanical key 3 counterclock-
wise to position1 until it stops,
and simultaneously
pull trunk lid handle 2 and lift lid.
Turn mechanical key 3 back and
remove it from the trunk lid lock.
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey, do the following:
Close the passenger door and the trunk
lid.
Press the central locking switch in the
upper part of the center console
(
page 103).
Check to see whether the locking knob
on the passenger door has moved
down.
If necessary, push it down manually.
The passenger door is locked.
Exit the vehicle and close the driver’s
door.
1Unlocking
2Handle
3Mechanical key
!Always make sure there is sufficient over-
head clearance.

389 Practical hints
Unlocking/locking in an emergency
Insert mechanical key 2 into the
driver’s door lock until it stops.
Turn mechanical key 2 clockwise to
position1.
The driver’s door is locked.
Turn back mechanical key 2 and
remove it from driver’s door lock.Manually unlocking the gear selector
lever (automatic transmission*)
In case of power failure, the gear selector
lever can be manually unlocked, e.g. to tow
the vehicle.
1Gear selector lever cover
2Release
Insert flat, blunt object (e.g. screw-
driver) into the left edge of cover1 at
the position indicated by the arrows.
Loosen cover1 using this object.
Using your hands, pull cover1 out
and remove.
Push down and hold release2 in
direction of arrow.
Simultaneously move gear selector
lever out of positionP.
The gear selector lever is unlocked
now.1Locking
2Mechanical key
iThis procedure does not arm the anti-theft
alarm system, nor does it lock the fuel filler flap.
iThe gear selector lever is locked again as
soon as you place it in positionP again.

390 Practical hints
Opening/closing in an emergency
Raising retractable hardtop manually
Warning!G
If the retractable hardtop does not com-
pletely open or close, the roof hydraulics will
lose pressure and the retractable hardtop is
lowered

after approximately 7 minutes when the
ignition is switched on

after approximately 15 seconds when
the ignition is switched off
Shortly before the hardtop is lowered, a
warning will sound. In the multifunction dis-
play you will seeK and the message
Retractable roof being opened.

Properly lock retractable hardtop before
continuing to drive (
page 240).
Warning!G
Manually closing the retractable hardtop is a
complicated and technically demanding pro-
cedure and should only be performed by an
authorized Mercedes-Benz Center or quali-
fied technician. Attempting to manually
close the retractable hardtop may cause
damage to the retractable hardtop and/or
personal injury.
Warning!G
To prevent possible accidents, drive the
vehicle only with the retractable hardtop
either completely closed and locked, or fully
lowered into its storage compartment.

391 Practical hints
Replacing SmartKey batteries
Replacing SmartKey batteries
If the batteries in the SmartKey are
discharged, 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
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove the mechanical key from the
SmartKey (
page 387).
1Mechanical key
2Battery compartment
Insert mechanical key1 into opening.
Press mechanical key1 in direction of
arrow.
Battery compartment2 is unlatched.
Pull battery compartment2 out of the
housing.
Warning!G
Batteries contain poisonous and corrosive
substances. Therefore 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 replacing batteries, always replace
both batteries.
The required replacement batteries are available
at any Mercedes-Benz Center.


392 Practical hints
Replacing SmartKey batteries
3Batteries
4Contact springs
Pull out batteries 3.
Using a lint-free cloth, insert new
batteries3 under contact springs4
with the positive terminal (+) side
facing up.
Return battery compartment2
(
page 391) into the housing until it
locks into place.
Slide the mechanical key back into the
SmartKey.
Check the operation of the SmartKey.


397 Practical hints
Replacing bulbs
Low beam bulb (Halogen headlamps
only)
Turn housing cover1 counterclock-
wise and remove.
Turn bulb socket5 with the bulb
counterclockwise and remove.
Pull the bulb out of bulb socket5.
Press the new bulb into bulb socket5.
Place bulb socket5 back into the
lamp and turn it clockwise.
Reinstall housing cover1.
High beam/high beam flasher bulb
(Halogen headlamps) / High beam
flasher bulb (Bi-Xenon* headlamps)
Turn bulb socket3 with the bulb
counterclockwise and remove.
Pull the bulb out of bulb socket3.
Press the new bulb into bulb socket3.
Place bulb socket3 back into the
lamp and turn it clockwise.Front turn signal bulb
Turn bulb socket2 with the bulb
counterclockwise and remove.
Press gently onto the bulb and turn it
counterclockwise out of bulb
socket2.
Press the new bulb gently into bulb
socket2 and turn it clockwise.
Place bulb socket2 back into the
lamp and turn it clockwise.
Parking and standing lamp bulb
Turn bulb socket4 with the bulb
counterclockwise and remove.
Pull the bulb out of bulb socket4.
Press the new bulb into bulb socket4.
Place bulb socket4 back into the
lamp and turn it clockwise.
Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear
lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 109).
Open the trunk lid (page 100).
Tail lamp unit
1Bulb socket for rear fog lamp
(driver’s side only)
2Bulb socket for turn signal lamp
3Bulb socket for backup lamp

398 Practical hints
Replacing bulbs
Fold corresponding trim to side.
Turn the respective bulb socket coun-
terclockwise and remove.
Press gently onto the bulb and turn
counterclockwise out of its bulb sock-
et.
Press the new bulb gently into its bulb
socket and turn clockwise.
Reinstall the bulb socket and turn
clockwise until it engages.
Reinstall trim.License plate lamp
1ScrewsLoosen both screws1.
Remove the license plate lamp.
Replace the bulb.
Reinstall the license plate lamp.
Retighten screws1.