2008 MERCEDES-BENZ CLK550 alarm
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Contents
Safety and Security........................... 63
Occupant safety................................... 64
Air bags .......................................... 65
Occupant Classification System ..... 72
Seat belts ....................................... 77
Active head restraints .................... 81
Roll bars (only CLK cabriolet) ......... 82
Children in the vehicle .................... 83
Blocking of rear
side window operation ................... 88
Panic alarm .......................................... 89
Activating ....................................... 89
Deactivating ................................... 89
Driving safety systems ......................... 90
ABS ................................................ 90
BAS ................................................ 92
ESP
®............................................... 92
Anti-theft systems................................ 97
Immobilizer..................................... 97
Anti-theft alarm system .................. 97
Controls in detail............................... 99
Locking and unlocking ....................... 100
SmartKey ..................................... 100
SmartKey with KEYLESS-GO* ...... 103
Checking the batteries in the
SmartKey or SmartKey with
KEYLESS-GO* .............................. 108
Loss of the SmartKey or
SmartKey with KEYLESS-GO* ...... 109
Opening the doors from the inside 109
Opening the trunk ........................ 110
Closing the trunk.......................... 112
Trunk emergency release ............. 117
Valet locking ................................ 118
Automatic central locking ............ 118
Locking and unlocking
from the inside ............................. 119
Seats ................................................. 120
Front seat active head restraints . 120
Rear seat head restraints
(CLK coupe) ................................. 120
Rear seat head restraints
(CLK cabriolet) ............................. 123
Multicontour seat* ....................... 124
Seat heating* ............................... 125Seat ventilation* .......................... 126
Memory function ............................... 127
Storing positions into memory ..... 128
Recalling positions from memory . 128
Lighting ............................................. 129
Exterior lamp switch .................... 129
Combination switch ..................... 133
Corner-illuminating
front fog lamps* (With Bi-Xenon*
headlamps only)........................... 133
Hazard warning flasher ................ 135
Interior lighting ............................ 136
Door entry lamps ......................... 137
Trunk lamp ................................... 137
Instrument cluster ............................. 138
Adjusting instrument cluster
illumination .................................. 138
Coolant temperature indicator ..... 139
Resetting trip odometer ............... 139
Tachometer .................................. 140
Clock............................................ 140
Outside temperature indicator ..... 140
Control system .................................. 141
Multifunction display.................... 141
Multifunction steering wheel........ 142
Menus .......................................... 144
Page 32 of 521
31 At a glance
Center console
Center console
Upper part
CLK coupe
ItemPage
1Seat heater*, driver’s side
Seat ventilation*, driver’s
side125
126
2Parktronic system* deacti-
vation switch (Canada all
vehicles, USA only CLK 63
AMG cabriolet)274
3Rear window sunshade*
switch (CLK coupe Canada
only)188
4ESP® control switch92
5Hazard warning flasher
on/off switch135
6Central unlocking switch
Central locking switch119
119
7Switch for folding
(CLK coupe) or lowering
(CLK cabriolet) rear seat
head restraints121
ItemPage
8Anti-theft alarm system
indicator lamp97
9Seat heater*,
passenger side
Seat ventilation*,
passenger side125
126
aFront passenger front air
bag off indicator lamp 76,
390
bAudio system,
or
COMAND* (see separate
operating instructions)151
cClimate control
Automatic climate control
Rear window defroster 190
200
189
Page 37 of 521
36 Getting started
The “Getting started” section provides an
overview of the vehicle’s most basic func-
tions. First-time Mercedes-Benz owners
should pay special attention to the infor-
mation given here.
If you are already familiar with the basic
functions described here, the “Controls in
detail” section will provide you with further
information. The corresponding page
references are located at the end of each
segment.
Unlocking
Unlocking with the SmartKey
SmartKey with remote control
1‹Lock button
2ŠOpening button for trunk
3ŒUnlock button
4ÂPanic button (
page 89)
Press unlock button Πon the
SmartKey.
All turn signal lamps flash once.
An acoustic signal sounds once.
For more information, see “Factory
setting” (
page 106).
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
Enter the vehicle and insert the
SmartKey in the starter switch.
Page 38 of 521
37 Getting started
Unlocking
For more information, see “SmartKey”
(
page 100).
Unlocking with KEYLESS-GO*
With the KEYLESS-GO function, you can
lock and unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey in the starter switch.Pull an outside door handle.
All turn signal lamps flash once.
An acoustic signal sounds once.
For more information, see “Factory
setting” (
page 106).
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
Enter the vehicle.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 103).
Warning!G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. A child’s
unsupervised access to a vehicle could
result in an accident and/or serious
personal injury.
iOpening a door causes the windows on that
side of the car to open slightly. They will return to
the up position when the door is closed.
iTo unlock the vehicle, the SmartKey with
KEYLESS-GO must be outside the vehicle, no fur-
ther than approximately 3 feet (1 meter) away
from the door to be opened.
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an acci-
dent and/or serious personal injury.
iOpening a door causes the windows on that
side of the car to open slightly. They will return to
the up position when the door is closed.
Page 63 of 521
62 Getting started
Parking and locking
Locking with the SmartKey
Press lock button‹on the
SmartKey (
page 36).
With the trunk and both doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
For more information, see “Factory
setting” (
page 106).
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
For more information, see “SmartKey”
(
page 100).Locking with KEYLESS-GO*
1Lock button
Press lock button1 on an outside
door handle.With the trunk and both doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
For more information, see “Factory
setting” (
page 106).
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 103).
Page 64 of 521
63 Safety and Security
Occupant safety
Panic alarm
Driving safety systems
Anti-theft systems
Page 90 of 521
89 Safety and Security
Panic alarm
Panic alarm
1Â button
Activating
Press and hold button  for at least
1 second.
An audible alarm and flashing exterior
lamps will operate briefly.
Deactivating
Press button  again.
or
Insert the SmartKey or the SmartKey
with KEYLESS-GO* in starter switch.
or
Press the KEYLESS-GO* start/stop
button (
page 39).
The SmartKey with KEYLESS-GO* must
be inside the vehicle.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
Page 98 of 521
97 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
When leaving the vehicle, always take the
SmartKey or SmartKey with KEYLESS-GO*
with you and lock the vehicle. The engine
can be started by anyone with a valid
SmartKey or SmartKey with KEYLESS-GO*
that is left inside the vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*
Turn off the engine by means of the
start/stop button (
page 39) on the
gear selector lever.
Open the driver’s door.Deactivating
With the SmartKey
Insert the SmartKey in the starter
switch.
With KEYLESS-GO*
Switch on the ignition (page 40).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the trunk
the hood
The alarm will stay on even if the activating
element (e.g. a door) is immediately
closed.
The alarm system will also be triggered
when
the vehicle is opened with the
mechanical key.
someone opens a door from the inside.
someone opens the trunk with the
emergency release button.
iStarting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the ve-
hicle’s battery is charged), the system is not op-
erational. Contact an authorized Mercedes-Benz
Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).