2007 MERCEDES-BENZ CL-CLASS engine

71 Safety and Security
Driving safety systems
Electronic traction system
The electronic traction system is a compo-
nent of ESP
®.
The electronic traction system improves
the vehicle’s ability to utilize available trac-
tion, especially under slippery road condi-
tions by applying the brakes to a spinning
wheel.
When you switch off the ESP
®, the elec-
tronic traction system is still enabled.Switching off the ESP
®
To improve the vehicle’s traction, turn off
the ESP® in driving situations where it
would be advantageous to have the drive
wheels spin and thus cut into surfaces for
better grip such as:

when driving with snow chains

in deep snow

in sand or gravelWhen you switch off the ESP
®

the ESP® does not stabilize the vehicle

the engine output is not limited, which
allows the drive wheels to spin and
thus cut into surfaces for better grip

the electronic traction system will still
apply the brakes to a spinning wheel

the ESP® continues to operate when
you are braking

you cannot activate the cruise control
or the DISTRONIC Plus*
Warning!G
If you are driving too fast, the electronic
traction system cannot reduce the risk of an
accident.
The electronic traction system cannot pre-
vent the natural laws of physics from acting
on the vehicle.
Warning!G
The ESP® should not be switched off during
normal driving other than in the circum-
stances described below. Disabling of the
system will reduce vehicle stability in stan-
dard driving maneuvers.
Warning!G
Switch on the ESP® immediately if the afore-
mentioned circumstances do not apply any-
more. Otherwise the ESP
® will not stabilize
the vehicle when it is starting to skid or a
wheel is spinning.
ProCarManuals.com

77 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey: Remove the
SmartKey from the starter switch.
With the KEYLESS-GO*: Turn off the
engine (
page 337) and open the driv-
er’s door.
Deactivating
Switch on the ignition (page 336).
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 (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when

the vehicle is raised (only vehicles with
tow-away alarm)

the vehicle is opened with the
mechanical key

a door is opened from the inside
To cancel the alarm after it has been trig-
gered, see “Canceling the alarm”
(
page 78).1Indicator lamp
Arming: Lock your vehicle with the
SmartKey or KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the vehicle is locked.
The indicator lamp1 flashes to indi-
cate that the alarm system is armed.
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).
iIf the alarm stays on for more than
30 seconds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system
(
page 482) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary mobile phone, power supply and GPS
coverage are available.

ProCarManuals.com

120 Control systems
COMAND telephone*
Safety precautions
General notes
Calls disconnected while the vehicle is
in motion
A call may be disconnected if:

there is insufficient network coverage

you move from one transmitter/receiv-
er area (cell) into another and no chan-
nels are free or the cell is fullOperating options
When the mobile phone is inserted in the
cradle, you can operate the telephone us-
ing the following devices:

mobile phone keypad

COMAND telephone keypad

buttonss andt on the multi-
function steering wheel (
page 257)

Voice Control (page 278)

Bluetooth® headset (page 136)
Warning!G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving.
Whether or not prohibited by law, for safety
reasons, the driver should not use the cellu-
lar telephone while the vehicle is in motion.
Stop the vehicle in a safe location before
placing or answering a call.
If you nonetheless choose to use the mobile
phone
1 while driving, please use the hands-
free feature and be sure to pay attention to
the traffic situation at all times. Use the mo-
bile phone only when road, weather and traf-
fic conditions permit. Otherwise, you may
not be able to observe traffic conditions and
could endanger yourself and others.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approxima-
tely 14 m) every second.
1Observe all legal requirements.
Warning!G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or
personal injury.
iThe components and operating principles of
COMAND can be found on (
page 81) and
(
page 89).
iVarious mobile phone cradles can be in-
stalled in the front center armrest, see separate
installation instructions for the mobile phone
cradle. These mobile phone cradles can be ob-
tained from an authorized Mercedes-Benz Cen-
ter. For more information about telephone
(
page 479).
ProCarManuals.com

150 Control systems
COMAND navigation (introduction)
Loading a DVD into the DVD changer
1Disc slot
2Magazine tray buttons 1 – 6Switch on COMAND (page 81).
Press one of the magazine tray
buttons2.
If a disc is loaded, it will be ejected.
Take disc out of slot 1.
Wait until LED for magazine button 2
which you pressed flashes quickly.
Slide DVD into slot 1 with printed side
facing upwards.
COMAND loads the DVD.
iIf you carry out the update with the engine
switched off and the vehicle battery has insuffi-
cient power, COMAND may automatically switch
off during the process in order to protect the bat-
tery. If this occurs, restart the update with the
engine running period. Similarly, if the SmartKey
position is unintentionally switched to 0, restart
the update.
Warning!G
Never leave the engine running in an en-
closed space. The exhaust gases contain
carbon monoxide. Inhaling exhaust gases
constitutes a health hazard and could lead
to loss of consciousness or even death.
iEach magazine tray button 2 indicates the
status of the corresponding magazine tray by
means of an LED.

LED off = magazine tray is empty

LED constantly lit = magazine tray is loaded

LED flashes = CD/DVD changer requesting
disc to be loaded
ProCarManuals.com

247 Control systems
COMAND automatic climate control
Changing air volume: Slide qmr or
rotate ymz.
Exiting menu: Press n, back
buttonL in the center console
(
page 82) or slideomp.
The setting is saved.Central climate control menu via
COMAND
The central climate control menu is in the
center of the climate control settings.
When the automatic climate control is
switched on, you will see “on” in the cen-
tral menu. The following functions can only
be operated in the central climate control
menu via COMAND:
Select climate control settings
Cen-
tral menu.Switching cooling on or off
The cooling function, only operational
when the engine is running, cools the vehi-
cle interior down to the selected tempera-
ture. The cooling function also
dehumidifies the air in the vehicle interior,
thus preventing the windows from fogging
up.
The “AC
OFF” function is used to permanent-
ly switch off the cooling function of the au-
tomatic climate control system.
FunctionPage
Switching off cooling (“ACOFF”)247
Central climate control (“Mono”)248
Footwell temperature249
Air flow from air vents249
iCondensation may drip out from underneath
the vehicle. This is normal and not an indication
of a malfunction.
ProCarManuals.com

259 Control systems
Instrument cluster control system
Assistance* (page 268)Service (page 269)Settings (page 271)
Commands/submenus
Displaying the distance graphic*,
DISTRONIC Plus*Calling up vehicle malfunction, warning
and system status messages stored in
memorySetting daytime running lamp mode
(USA only)
Activating/deactivating PRE-SAFE®
Brake*
(vehicles with DISTRONIC Plus* only)Checking tire inflation pressureSwitching additional speedometer on or
off
Switching on the Dynamic Rear View
Monitor* automaticallyCalling up maintenance service displaySwitching radar sensors* on or off
(USA only)
Checking engine oil level (CL 600)
ProCarManuals.com

260 Control systems
Instrument cluster control system
Trip menu
In the “Trip” menu, you can show an addi-
tional display for the speedometer and call
up or reset your vehicle’s statistical data.
Standard display
In the standard display, the trip odometer
and main odometer are shown in the
multifunction display.
Press ( or & to select the “Trip”
menu.
1Main odometer
2Trip odometerFuel consumption statistics since start
Press ( or & to select the “Trip”
menu.
Press % to select “After start”.
1Distance driven since start
2Time elapsed since start
3Average speed since start
4Average fuel consumption since startFuel consumption statistics since last
reset
Press ( or & to select the “Trip”
menu.
Press % or $ to select “After re-
set”.
1Distance driven since last reset
2Time elapsed since last reset
3Average fuel consumption since last re-
set
4Average speed since last reset
iThe menu overview can be found on
(
page 258).
iAll values that are based on the last start are
reset when you turn off the vehicle’s engine for
more than four hours (
page 387).
iIf you turn the SmartKey to position1 or2
again during this time, the values will not be re-
set. After 999 hours or 9999 miles (kilometers),
the fuel consumption statistics after start are au-
tomatically reset.iAfter 9999 hours or 99,999 miles (kilome-
ters), the fuel consumption statistics since last
reset are automatically reset.
ProCarManuals.com

265 Control systems
Instrument cluster control system
Telephone menu*
You can use the functions in the “Tele-
phone” menu to operate your telephone,
provided it is inserted in the cradle and
switched on.
Logging-on to a network
Switch on the telephone and COMAND
(
page 81).
Press ( or & to select the “Tele-
phone” menu.
Which messages appear in the multifunc-
tion display depends on whether your tele-
phone is switched on or off.

If the telephone is off, the message in
the multifunction display is: “Telephone
OFF”.

If the telephone is not inserted in the
cradle, the message in the multifunc-
tion display is: “No telephone inserted”.
iThe menu overview can be found on
(
page 258).
Warning!G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving.
Whether or not prohibited by law, for safety
reasons, the driver should not use the cellu-
lar telephone while the vehicle is in motion.
Stop the vehicle in a safe location before
placing or answering a call.
If you nonetheless choose to use the mobile
phone while driving, please use the hands-
free feature and be sure to pay attention to
the traffic situation at all times. Use the mo-
bile phone only when road, weather and traf-
fic conditions permit.
Otherwise, you may not be able to observe
traffic conditions and could endanger your-
self and others.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approxima-
tely 14 m) every second.
Warning!G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or
personal injury.
iVarious mobile phone cradles can be in-
stalled in the front center armrest, see separate
installation instructions for the mobile phone
cradle. These mobile phone cradles can be ob-
tained from an authorized Mercedes-Benz Cen-
ter. For more information about telephone
(
page 479).
ProCarManuals.com