2007 MERCEDES-BENZ CLK550 fuel
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98 Controls in detail
In the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed in your vehicle.
If you are already familiar with the basic
functions of your vehicle, this section will
be of particular interest to you.
To quickly familiarize yourself with the
basic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.
Locking and unlocking
For more information on locking and
unlocking, see “Getting started”
(
page 34) and (page 58).
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys are a
different color to help distinguish each
SmartKey unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks:
the doors
the glove box
the trunk
the fuel filler flap
SmartKey with remote control
1‹Lock button
2Š Opening button for trunk
(
page 107)
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 87)
!To prevent possible malfunction, avoid ex-
posing the SmartKey to high levels of electro-
magnetic radiation.
Page 101 of 505
100 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of
unlocking if:
neither door nor trunk is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not
activated
Global locking
Press button‹.
With the trunk and both doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that press-
ing buttonŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 98)
flashes twice.
The SmartKey will then function as fol-
lows:
Unlocking driver’s door and fuel filler
flap
Press buttonΠonce.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knob in the driver’s
door moves up.
The anti-theft alarm system is dis-
armed.
Global unlocking
Press buttonΠtwice.
All turn signal lamps flash once.
An acoustic signal sounds once.
iWhen unlocking or locking the vehicle with
the SmartKey an acoustic signal sounds. The
acoustic signal is activated at the factory. If you
wish to deactivate the feature, or adjust its signal
volume, contact an authorized Mercedes-Benz
Center.
Page 102 of 505
101 Controls in detail
Locking and unlocking
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
Global locking
Press button‹.
With the trunk and both doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 98)
flashes twice.Unlocking and opening the trunk
You can unlock and open the trunk
separately.
A minimum height clearance of 5.41 ft
(1.65 m) is required to open the trunk lid.
Press and hold button Š until trunk
unlocks and begins to open.
The trunk can also be opened from its in-
side in an emergency, see “Trunk emer-
gency release” (
page 116).
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys with
KEYLESS-GO are a different color to help
distinguish each SmartKey with
KEYLESS-GO unit.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you pull an outside
door handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks
the doors
the glove box
the trunk
the fuel filler flap
!The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
Vehicles with trunk opening/closing system*: To
stop the opening procedure, press button Š.
The trunk lid stops moving.
iIf the trunk does not open, it is still locked
separately (
page 117).
Page 106 of 505
105 Controls in detail
Locking and unlocking
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither door nor trunk is opened.
the central locking switch is not
activated.
Global locking
Press the lock button on an outside
door handle (
page 62) or the trunk
lid (
page 106).
With the trunk and both doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you, pull the driver’s
door handle only the driver’s door and the
fuel filler flap unlocks.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 102)
flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:Unlocking driver’s door and fuel filler
flap
Pull the driver’s outside door handle.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knob in the driver’s
door move up.
The anti-theft alarm system is dis-
armed.
Global unlocking
Pull the outside door handle on the pas-
senger side.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
iThe vehicle could inadvertently be unlocked
if the SmartKey with KEYLESS-GO is within 3 ft (1
m) of the vehicle and:
an outside door handle is splashed with wa-
ter, or
you attempt to clean an outside door handle.
Page 119 of 505
118 Controls in detail
Locking and unlocking
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
or unlocking switch. This can be useful, for
example, if you want to lock the vehicle
before starting to drive.
You cannot lock or unlock the fuel filler flap
with the central locking or unlocking
switch.The switches are located in the center
console.
1Central locking switch
2Central unlocking switch
Locking
Press central locking switch1.
If both doors are closed, the vehicle
locks.
Unlocking
Press central unlocking switch2.
The vehicle unlocks.
Warning!G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it 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 ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
iYou can open a locked door from the inside.
Open door only when conditions are safe to do
so.
If the vehicle was previously centrally locked
with the SmartKey or the SmartKey with
KEYLESS-GO*, it will not unlock using the central
unlocking switch2.
If the vehicle was previously locked with the cen-
tral locking switch1
while in the selective remote control mode,
only the door opened from inside is un-
locked.
while in the global remote control mode, the
complete vehicle is unlocked when a door is
opened from the inside.
Page 139 of 505
138 Controls in detail
Instrument cluster
Tachometer
The red marking on the tachometer
(
page 26) denotes excessive engine
speed.
To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
Clock
In vehicles with Audio 20, the clock can be
set via the control system (
page 158).
Outside temperature indicator
The outside temperature is indicated in the
multifunction display (
page 139).The temperature sensor is located in the
front bumper area. Due to its location, the
sensor can be affected by road or engine
heat during idling or slow driving. This
means that the accuracy of the displayed
temperature can only be verified by com-
parison to a thermometer placed next to
the sensor, not by comparison to external
displays (e.g. bank signs etc.).
When moving the vehicle into colder ambi-
ent temperatures (e.g. when leaving your
garage), you will notice a delay before the
lower temperature is displayed.
A delay also occurs when ambient temper-
atures rise. This prevents inaccurate tem-
perature indications caused by heat
radiated from the engine during idling or
slow driving.
!Avoid driving at excessive engine speeds, as
it may result in serious engine damage that is not
covered by the Mercedes-Benz Limited Warran-
ty.
iVehicles with COMAND*:
For information on setting the time in COMAND,
refer to the separate COMAND operating in-
structions.
Warning!G
The outside temperature indicator is not de-
signed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
Page 145 of 505
144 Controls in detail
Control system
Menu5Menu6Menu7Menu8
Commands/submenus
Vehicle status message
memory1
1The vehicle status message memory menu is only displayed if there is a message stored.
SettingsTrip computerTEL*
(page 152)(page 153)(page 165)(page 167)
Calling up vehicle malfunction,
warning and system status
messages stored in memoryReset to factory settingsFuel consumption statistics
after startLoad phone book
Instrument cluster submenuFuel consumption statistics
since the last resetSearch for name in phone book
Time/Date submenuCall up range
Lighting submenu
Vehicle submenu
Convenience submenu
iThe headings used in the menus table are
designed to facilitate navigation within the sys-
tem and are not necessarily identical to those
shown in the control system displays.
The first function displayed in each menu will au-
tomatically show you which part of the system
you are in.
Page 166 of 505
165 Controls in detail
Control system
Move the selection marker with
buttonæ orç to the
Convenience submenu.
Press buttonj ork repeatedly
until the message
Easy-entry func-
tion
appears in the multifunction dis-
play.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the easy-entry/exit feature
On or Off.
Trip computer menu
Use the trip computer menu to call up sta-
tistical data on your vehicle.
The following information is available:
Fuel consumption statistics from start
Press buttonÿ orè repeatedly
until the first function of the trip com-
puter menu appears in the multifunc-
tion display.
Press buttonj ork repeatedly
until the message
From start appears
in the multifunction display.1Distance driven from start
2Time elapsed from start
3Average speed from start
4Average fuel consumption from start
FunctionPage
Fuel consumption statistics from
start165
Fuel consumption statistics
since last reset166
Call up range (distance to empty)166iAll statistics stored from the last engine
start will be reset approximately four hours after
the SmartKey in the starter switch is turned to
position0 or removed from the starter switch.
Resetting will not occur if you turn the SmartKey
back to position1 or2 within this time period.