2011 MERCEDES-BENZ C-CLASS SALOON alarm

Alarm system
see ATA (Anti-Theft Alarm system)
Alertness Assistant
see ATTENTION ASSIST
AMGMenu (on-board computer) .......245
Anti-glare film .................................... 320
Anti-loc kBraking System
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Anti-theft system
Immobilise r...................................... 80
Aquaplaning ....................................... 177
Ashtray ............................................... 316
ASSYST PLUS see ASSYST PLUS service interval
display
ASSYST PLUS service interval dis-
play
Displaying service messages .........326
Hiding service messages ...............326
Notes ............................................. 326
Service messages ..........................326
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................80
ATA (Anti-Theft Alarm system) .........80
Function .......................................... .80
Interior motion sensor .....................81
Switching off the alarm ....................80
Tow-away protection ........................ 81
ATTENTIO NASSIST
Activating/deactivating .................238
Display message (12-button mul-
tifunctio nsteering wheel) ..............273
Function/notes ............................. 203
Audio DVD (12-button multifunc-
tion steering wheel) ..........................234
Audio menu (on-board computer,
12-button multifunction steering
wheel) ................................................ .233
AUTO lights Display message (12-button mul-
tifunctio nsteering wheel) ..............267
Display message (4-button multi-
function steering wheel) ................264
see Lights Automatic engine start (ECO start/
stop function)
.................................... 157
Automatic engine switch-off (ECO
start/stop function) ..........................157
Automatic headlamp mode ..............119
Automatic transmission Accelerator pedal position .............163
Automatic drive program ...............164
Changing gea r............................... 163
Display message (4-button multi-
function steering wheel) ................283
Driving tips .................................... 163
Emergency running mode ..............168
Kickdow n....................................... 163
Manual drive program ....................166
Problem (fault) ............................... 168
Progra mselector button ................163
Pulling away ................................... 156
Releasing the parking lock man-
ually ............................................... 168
Selector leve r................................ 162
Shift range s................................... 165
Starting the engine ........................155
Steering wheel gearshif tpaddles ...164
Trailer towing ................................. 163
Transmission position displa y........ 162
Transmissio npositions .................. 162
Automatic transmission emer-
gency running mode .........................168
Automatic transmissions Display message (12-button mul-
tifunctio nsteering wheel) ..............285
Auxiliary heating
Activating/deactivating .................143
Activating/deactivating (on the
centre console ).............................. 143
Important safety notes ..................143
Problem (display message) ............147
Remote control .............................. 144
Setting (on-board computer, 12-
button multifunction steering
wheel) ............................................ 242
Setting the departur etime ............ .145
Auxiliary ventilation
Activating/deactivating .................143
Activating/deactivating (on the
centre console ).............................. 143 Index
5

Surround lighting (12-button mul-
tifunction steering wheel)
................241
Switching off the alarm (ATA) ............80 T
Tailgate Display message (12-button mul-
tifunctio nsteering wheel) ..............286
Display message (4-button multi-
function steering wheel) ................284
Emergency unlocking .......................95
Important safety notes ....................92
Limiting the opening angle ...............94
Opening/closing .............................. 92
Opening/closing (automatically
from inside) ...................................... 94
Opening/closing (automatically
from outside) ................................... 93
Opening dimensions ......................386
Tail lamp
Display message (12-button mul-
tifunctio nsteering wheel) ..............265
Display message (4-button multi-
function steering wheel) ................262
Tank
see Fuel tank
Tank content
Displaying the range (12-button
multifunctio nsteering wheel) ........231
Displaying the range (4-button
multifunctio nsteering wheel) ........226
Fuel gauge (12-button multifunc-
tion steering wheel) .........................37
Fuel gauge (4-button multifunc-
tion steering wheel) .........................34
Technical data
Notes ............................................. 376
Trailer loads ................................... 388
Tyres/wheels ................................. 366
Vehicle data ................................... 384
Telephone
Accepting acall............................. 235
Display message (12-button mul-
tifunctio nsteering wheel) ..............288
Menu (on-board computer) ............235
Number from the phone book ....... .235
Redialling ....................................... 236Rejecting/ending
acall................. 235
Telephone compartment ................303
Telescopic rod (Easy-Pac kfix kit) ....312
Temperature Coolant (12-button multifunction
steering wheel; AMG) ..................... 245
Coolant (12-button multifunction
steering wheel) .............................. 226
Coolant (4-button multifunction
steering wheel) .............................. 222
Engine oil (12-button multifunc-
tion steering wheel) .......................245
Outside temperature (12-button
multifunctio nsteering wheel) ........227
Outside temperature (4-button
multifunctio nsteering wheel) ........222
Setting (climate control) ................138
TEMPOMAT
Function/notes ............................. 178
Through-loading feature ...................304
Tilt/sliding sunroof see Sliding sunroof
Timing (RACETIMER) .........................245
TIREFIT kit .......................................... 337
Top Tether ............................................ 61
Total distance recorder Displaying (12-button multifunc-
tion steering wheel) .......................231
Displaying (4-button multifunc-
tion steering wheel) .......................225
Tow-away protection ..........................81
Towing Important safety notes ..................351
With the rear axle raised ................353
Towing atrailer
Activ eBlind Spot Assist .................212
Active Lane Keeping Assist ............215
Axle load, permissible ....................389
Bulb failure indicator for LED
lamps ............................................. 220
Lights display message (12-but-
ton multifunctio nsteering wheel) ..264
Lights display message (4-button
multifunctio nsteering wheel) ........261
Trailer tow hitch display message
(4-button multifunction steering
wheel) ............................................ 28522
Index

As a result, PRE-SAFE
®
Brake may not give
warnings or intervene in critical situations.
There is a ris kofanaccident. Always pay
careful attention to the traffi csituation and be
ready to brake.
In order to maintain the appropriate distance
to the vehicle in front and thus prevent a col-
lision, you must apply the brakes yourself.
X To activate/deactivate: activate or deac-
tivate PRE-SAFE ®
Brake in the on-board
computer (Y page 237).
The Ä symbol appears in the multifunc-
tion display as long as the HOL Dfunction
is not activated (Y page 193).
On vehicles with parking guidance, the
Ä symbol is displayed when Pis
engaged or you are driving faste rthan
35 km/h.
Vehicles with COMAND and navigation sys-
tem: the radar sensor system is switched off
automatically in the vicinity of radio telescope
facilities (Y page 389).
Vehicles without COMAND and a navigation
system and vehicles for Australia: the radar
sensor system and on-board computer must
be switched off in the vicinity of radio tele-
scope facilities (Y page 242).
For PRE-SAFE ®
Brake to assist you when driv-
ing, the radar sensor system must be
switched on (Y page 242) and be opera-
tional.
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensors checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at slow speeds where there is no visible
damage to the front of the vehicle. Anti-theft systems
Immobiliser
The immobiliser prevents your vehicle from
being started without the correct key. X
To activate with the key: remove the key
from the ignition lock.
X To activate with KEYLESS-GO: switch the
ignition off and open the driver's door.
X To deactivate: switch on the ignition.
i The immobiliser is always deactivated
when you start the engine. ATA (Anti-Theft Alarm system)
Av isual and audible alarm is triggered if the
alarm system is primed and you open:
R a door
R the vehicle with the emergency key ele-
ment
R the boot lid/tailgate
R the bonnet
The alarm is not switched off, even if you
close the open door that has triggered it, for
example. X
To prime: lock the vehicle with the key or
KEYLESS-GO.
Indicator lamp :flashes .The alarm sys-
tem is primed after approximately 15 sec-
onds.
X To deactivate: unlock the vehicle with the
key or KEYLESS-GO. 80
Anti-theft systemsSafety

X
To stop the alarm using the key: insert
the key into the ignition lock.
The alar mis switched off.
or
X Press the %or& button on the key.
The alarm is switched off.
X To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The key
must be outside the vehicle.
The alarm is switched off.
or
X Press the Start/Stop button on the dash-
board. The key must be inside the vehicle.
The alarm is switched off. Tow-away protection
An audible and visual alarm is triggered if your
vehicle's angle of inclination is altered while
tow-away protection is primed. This occurs if
the vehicle is jacked up on one side, for exam-
ple.
X To prime: lock the vehicle with the key or
KEYLESS-GO.
Tow-away protection is primed after
approximately 30 seconds.
X To deactivate: unlock the vehicle with the
key or KEYLESS-GO.
Tow-away protection is deactivated auto-
matically.
To prevent a false alarm, deactivate tow-away
protection manually if your vehicle:
R is being transported
R is being loaded onto a ferry or car trans-
porter, for example
R is parked on a movable surface, e.g. in a
split-level garage
Deactivating:
X Remove the key from the ignition lock. X
Press button :.
Indicator lamp ;lights up briefly.
X Lock the vehicle with the key or KEYLESS-
GO.
Tow-away protection is deactivated.
Tow-away protection remains deactivated
until:
R the vehicle is unlocked again.
R a door is opened and closed again.
R the vehicle is locked again. Interior motion sensor
If the interior motion sensor is primed, a vis-
ual and audible alarm is triggered if move-
ment is detected in the vehicle interior while
the vehicle is locked. This occurs if someone
reaches into the vehicle interior, for example.
To activate:
X Make sure that:
R
the side windows are closed.
R the sliding sunroof/panorama sliding
sunroof is closed.
R there are no objects, e.g. mascots, hang-
ing on the rear-view mirror or on the grab
handles on the roof trim.
This will prevent false alarms.
X Lock the vehicle with the key or KEYLESS-
GO.
The interior motion sensor is primed after
approximately 30 seconds. Anti-theft systems
81Safety Z

To switch off:
X
Unlock the vehicle with the key or KEY-
LESS-GO.
The interio rmotion sensor is deactivated
automatically.
To prevent a false alarm, deactivate the inte-
rior motion sensor if you lock your vehicle
and:
R people or animals remain in the vehicle.
R the side windows remain open.
R the sliding sunroof/panorama sliding sun-
roof remains open.
Deactivating:
X Remove the key from the ignition lock. X
Press button :.
Indicator lamp ;flashes briefly.
X Lock the vehicle with the key or KEYLESS-
GO.
The interior motion sensor is deactivated.
The interior motion sensor remains deactiva-
ted until:
R the vehicle is unlocked again.
R a door is opened and closed again.
R the vehicle is locked again.
i UK only: Your vehicle is equipped with a
double lock function. The doors cannot be
opened from the inside if the vehicle has
been locked with the key (Y page 90).
Deactivate the interior motion sensor
before locking the vehicle with the key. The
doors can then be opened from the inside
after the vehicle has been locked from the outside with the key. Observe the "Impor-
tant safety notes" (Y
page 89).82
Anti-theft systemsSafety

The KEYLESS-GO function is changed as fol-
lows:
X
To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner sur-
face of the door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles. Restoring the factory settings
X Press the %and& buttons simulta-
neously for approximately six seconds until
the battery check lamp flashes twice. Emergency key element
General notes If the vehicle can no longer be locked or
unlocked with the key, use the emergency
key element.
If you use the emergenc
ykey element to
unlock and open the driver's door or the boot
lid/tailgate, the anti-thef talarm system will
be triggered (Y page 80).
There are several ways to tur noff the alarm:
X To turn the alarm off with the key: press
the % or& button on the key.
or
X Insert the key into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
GO. The key must be outside the vehicle.
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically. X
To unlock the fuel filler flap: insert the
key in the ignition lock.
Removing the emergency key element X
Push release catch :in the direction of
the arrow and at the same time, remove
emergency key element ;from the key. Key battery
Important safety notes Have the batteries changed at a qualified spe-
cialist workshop. G
WARNING
Batteries are toxic and contain caustic sub-
stances. For this reason, keep batteries out of
the reach of children.
If a battery has been swallowed, visi tadoctor
immediately. H
Environmental note Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in an
environmentally responsible
recycling system. Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop or to a col-86
KeyOpening and closing

On vehicles with a luxury multifunction steer-
ing wheel, you can also activate and deacti-
vate the automatic locking via the on-board
computer (Y page 242). Unlocking the driver's door (emer-
gencyk
ey element)
If the vehicle can no longer be unlocked with
the key, use the emergency key element.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system will be triggered
(Y page 80).
X Take the emergency key element out of the
key (Y page 86).
X Inser tthe emergency key element into the
lock of the driver's door as far as it will go. X
Turn the emergency key element anti-
clockwise to position 1.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
X Turn the emergency key element back and
remove it.
X Insert the emergency key element into the
key. Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the
key, use the emergency key element. X
Open the driver's door.
X Close the front-passenger door, the rear
doors and the boot lid/tailgate.
X Press the locking button (Y page 90).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
X Close the driver's door.
X Take the emergency key element out of the
key (Y page 86).
X Insert the emergency key element into the
lock of the driver's door as far as it will go. X
Turn the emergency key element clockwise
as far as it will go to position 1.
i On right-hand-drive vehicles, turn the
emergency key element anti-clockwise.
X Turn the emergency key element back and
remove it.
X Make sure that the doors and the boot lid/
tailgate are locked.
X Insert the emergency key element into the
key.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not primed. Doors
91Opening and closing Z

(Y
page 93) in the tailgate or pull the handle
on the outside of the tailgate again.
X To store the position: press and hold the
closing button in the tailgate until you hear
a short tone.
The opening angle limiter is activated. The
tailgate will now stop in the stored position
when opening.
i If you wish to open the tailgate fully, pull
the handle of the tailgate again after it has
stopped automatically. This does not
delete the stored position.
Deactivating X
Press and hold the closing button
(Y page 93) in the tailgate until you hear
two short tones. Locking the boot separately (Saloon)
In some countries, you can lock the boot sep-
arately. If you then unlock the vehicle cen-
trally, the boot remains locked and cannot be
opened.
X Close the boot lid.
X Take the emergency key element out of the
key (Y page 86). X
Insert the emergency key element into the
boot lid lock as far as the stop.
X Turn the emergency key element clockwise
from position 1to position 2. X
Remove the emergency key element.
X Insert the emergency key element into the
key. Unlocking the boot (Saloon)
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
If the boot cannot be unlocked with the key
or KEYLESS-GO, use the emergency key ele-
ment.
If you use the emergency key element to
unlock and open the boot lid, the anti-theft
alarm system will be triggered (Y page 80).
X Take the emergency key element out of the
key (Y page 86).
X Insert the emergency key element into the
boot lid lock as far as the stop. X
Turn the emergency key element anti-
clockwise from position 1as far as it will
go to position 2.
The boot is unlocked.
X Turn the emergency key element back to
position 1and remove it.
X Insert the emergency key element into the
key. Tailgate emergency release (Estate)
If the tailgate can no longer be opened from
outside the vehicle, use the emergency
release on the inside of the tailgate. Boot/luggage compartment
95Opening and closing Z