alarm MERCEDES-BENZ R-Class 2011 W251 Owner's Manual

1, 2, 3 ...
115 V socket ...................................... 266
12 V socket ........................................ 265
4ETS (Electronic Traction System) Function/notes ................................ 69
4MATIC (permanent four-wheel
drive) .................................................. 185
A
ABS (Anti-lock Braking System) Display message ............................ 219
Function/notes ................................ 67
Warning lamp ................................. 239
Accident (notes) ................................ 293
Active service system see Service interval display
Adaptive Damping System (ADS) ..... 183
AdBlue ®
Adding ........................................... 165
Display message ............................ 227
Additional functions (on-board
computer) .......................................... 210
ADS (Adaptive Damping System) ..... 183
Air bags Display message ............................ 216
Front air bag (driver, front
passenger) ....................................... 39
Important safety information ...........38
PASSENGER AIRBAG OFF
indicator lamp (only Canada) ...........48
PASSENGER AIRBAG OFF
indicator lamp (only USA) ................42
Safety guidelines ............................. 37
Side impact air bag ..........................40
Window curtain air bag ....................41
Air-conditioning system
see Climate control
Air dehumidification
Activating/deactivating with
cooling ........................................... 139
Air distribution
Setting ........................................... 142
Air filter (display message) .............. 227
Airflow Setting ........................................... 142
AIRMATIC (display message) ............ 228
AIRMATIC package ............................ 183
Air nozzles see Air vents .................................. 145
Air pressure
see Tire pressure
Air-recirculation mode
Activating/deactivating .................143
Air vents ............................................. 145
Important safety information .........144
Rear ............................................... 145
Setting the center air vents ...........145
Setting the side air vents ...............145
Alarm system
see ATA
Anti-lock Braking System
see ABS
Anti-Theft Alarm system
see ATA
Anti-theft system
ATA (Anti-Theft Alarm system) .........71
Armrest
Adjusting (second row of seats) ..... 104
Ashtray ............................................... 263
ATA (Anti-Theft Alarm system) Activating/deactivating ...................71
Function ........................................... 71
Switching off the alarm ....................71
Audio menu (on-board computer) .... 203
AUTO lights see Light sensor
Automatic car wash .......................... 284
Automatic transmission DIRECT SELECT lever .....................155
Display message ............................ 233
Driving tips .................................... 157
Emergency running mode ..............160
Kickdown ....................................... 157
Malfunction .................................... 160
Program selector button ................158
Pulling away ................................... 151
Starting .......................................... 150
Trailer towing ................................. 1584IndexBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 4

Instrument cluster submenu ..........205
Lighting submenu .......................... 206
Message memory menu ................. 213
Navigation menu ............................ 204
Operating video DVD .....................204
Operation ....................................... 199
Overview of menus ........................201
Selecting the language ..................206
Settings menu ............................... 205
Standard display menu ..................202
Telephone menu ............................ 211
Time/Date submenu .....................206
Trip computer menu ......................210
Vehicle submenu ........................... 208
Opening and closing the side trim
panels ................................................. 125
Operating system see On-board computer
Outside temperature
Calling up (on-board computer) .....202
Display ........................................... 198
Overhead control panel
Overview .......................................... 32
Override feature
Rear side windows ...........................66
P
Paint code number ............................ 349
Paintwork (cleaning instructions) ... 285
Panic alarm .......................................... 66
Panorama roof with power tilt/
sliding panel Opening/closing .............................. 93
Resetting ......................................... 94
Parking ............................................... 167
Parking aid PARKTRONIC ................................. 186
Rear view camera .......................... 189
Parking brake .................................... 167
Parking lamp (display message) ...... 223
Parking position Exterior mirror on the front-
passenger side ............................... 113
PARKTRONIC ...................................... 186
Activating/deactivating .................188
Malfunction .................................... 189
Problem ......................................... 189
Range of the sensors .....................186
Trailer towing ................................. 188
Warning display ............................. 187
PASSENGER AIRBAG OFF indicator
lamp (only Canada) ............................. 48
PASSENGER AIRBAG OFF indicator
lamp (only USA) ................................... 42
Pedals ................................................. 169
Permanent four-wheel drive see 4MATIC
Plastic trim (cleaning instructions) . 287
Power supply (trailer) ....................... 196
Power washers .................................. 285
Power windows see Side windows
Pre-emptive occupant safety
system
see PRE-SAFE ®
system
PRE-SAFE ®
system
Display message ............................ 215
Operation ......................................... 51
Product information ............................ 19
Program selector button .................. 158
Pulling away Automatic transmission .................151
R
Radar sensor system (on-board
computer) .......................................... 208
Radiator cover ................................... 279
Radio Changing a station (on-board
computer) ...................................... 203
see separate operating instructions
Radio-controlled equipment
Assembly ....................................... 276
Range (on-board computer) ............. 211
Rear axle level control ...................... 182
Rear compartment Activating/deactivating climate
control ........................................... 139
Setting the air vents ..............145, 146
Setting the temperature ................141
Rear-compartment seat
see Rear seat
Rear fog lamp (display message) ..... 223
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Steering wheel heating ..................110
Storing settings (memory
function) ........................................ 114
Steering wheel heating
Indicator lamp (Malfunction) ..........110
Steering wheel paddle shifters ........ 158
Stowage compartments 3rd row of seats ............................. 248
Armrest (under) ............................. 248
Center air vents (2nd row of
seats) ............................................. 248
Center console (2nd row of seats) . 248
Glove box ....................................... 247
Stowage space
Center console .............................. 247
Cup holders ................................... 260
Important safety information .........246
Submenu (on-board computer)
Convenience .................................. 209
Instrument cluster .........................205
Lighting .......................................... 206
Time/Date ..................................... 206
Vehicle ........................................... 208
Summer opening
see Convenience opening feature
Sun visor ............................................ 262
Supplemental Restraint System see SRS
Surround lighting (on-board
computer) .......................................... 207
SUV (Sport Utility Vehicle) .......................21
Switching off the alarm (ATA) ............ 71
T
Tachometer ........................................ 198
Tailgate Display message ............................ 234
Important safety guidelines .............82
Limiting the opening angle ...............86
Taillight
see Tail lamps
Tank contents
Gauge .............................................. 28
Technical data ................................... 348
R 350 ............................................. 358
R 350 BlueTEC ............................... 357
Tires/wheels ................................. 343
TELEAID
Call priority .................................... 271
Display message ............................ 215
Downloading destinations
(COMAND) ..................................... 271
Emergency call .............................. 268
Important safety notes ..................267
Locating a stolen vehicle ...............272
MB info call button ........................270
Roadside Assistance button ..........269
Self-test ......................................... 268
System .......................................... 268
Vehicle remote unlocking ..............272
Telephone
Accepting a call ............................. 211
Display message ............................ 234
Menu (on-board computer) ............211
Number from the phone book ........ 212
Redialing ........................................ 212
Rejecting/ending a call .................212
Temperature
Coolant (on-board computer) ......... 202
Displaying the outside
temperature ................................... 202
Outside temperature ...................... 198
Setting ........................................... 141
Theft deterrent locking system
Immobilizer ...................................... 71
Tilt/sliding sunroof
Opening/closing .............................. 92
Resetting ......................................... 93
Time (on-board computer) ................ 206
TIREFIT kit .......................................... 297
Tire pressure Calling up (on-board computer) .....327
Checking manually ........................325
Display message ............................ 230
Maximum ....................................... 330
Notes ............................................. 323
Not reached (TIREFIT) ....................300
Pressure loss warning ....................325
Reached (TIREFIT) ..........................300
Recommended ............................... 322
Tire pressure monitor
Warning lamp ................................. 243Index15BA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 15

Vehicle equipment ..............................36
Occupant safety .................................. 36
Children in the vehicle ........................59
Panic alarm .......................................... 66
Driving safety systems .......................67
Anti-theft systems .............................. 7135SafetyBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 35

Child-proof locks
Child-proof locks for the rear doorsGWarning
Observe "Important safety instructions"
( Y page 59).
GWarning
Children could open a rear door from inside
the vehicle. This could result in serious
injuries or an accident. Therefore, when
children ride in the rear always secure the rear
doors with the child-proof locks.
You secure each door individually with the
child-proof locks on the rear doors. A door
secured with a child-proof lock cannot be
opened from inside the vehicle. When the
vehicle is unlocked, the door can be opened
from the outside.
XTo activate: press the child-proof lock
lever down in the direction of arrow ;.XMake sure that the child-proof locks are
working properly.XTo deactivate: press the child-proof lock
lever up in the direction of arrow :.
Override feature for the rear side
windows
GWarning
Observe "Important safety instructions"
( Y page 59).
GWarning
When children ride on the vehicle's rear seats,
activate the override switch. Otherwise, the
children could be injured, e.g. by trapping
themselves in the rear side window.
XTo activate/deactivate: press switch :.
Switch : engages or extends. If the switch
is pushed in, it is only possible to operate
the side windows in the rear using the
switches on the driver's door.
Panic alarm
X To activate: press and hold !
button : for about one second.
An alarm sounds and the exterior lighting
flashes.XTo deactivate: press ! button :
again.
or
XInsert the SmartKey into the ignition lock.66Panic alarmSafety
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The · distance warning lamp in the
instrument cluster will light up.
R you are approaching the vehicle in front
rapidly. An intermittent warning tone will
then sound and the · distance warning
lamp in the instrument cluster will light up.
You must apply the brakes yourself in order
to maintain the appropriate distance to the
vehicle in front and prevent a collision.GWarning!
If the distance warning lamp · in the
instrument cluster comes on while driving
and/or an intermittent warning sounds,
immediate attention on the part of the driver
is required. As required by the traffic
situation, apply the brakes and navigate
around a possible obstacle. However, do not
drive by relying on the distance warning
function, as this will result in an emergency
braking application. This will not always
enable you to avoid a collision, especially
when traveling on varying road surface
conditions and with varying driver reaction.
Complex driving situations are not always
fully recognized by the distance warning
function. This could result in wrong or missing
distance warnings.
XTo activate/deactivate: activate or
deactivate the distance warning function in
the on-board computer ( Y page 210).
After activation, the Ä symbol is
displayed in the lower multifunction
display.
Anti-theft systems
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
XTo activate with the SmartKey: remove
the SmartKey from the ignition lock.XTo activate with KEYLESS-GO: switch the
ignition off and open the driver's door.XTo deactivate: switch on the ignition.
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in
USA) or 1-800-387-0100 (in Canada).
ATA (Anti-Theft Alarm system)
A visual and audible alarm is triggered if the
alarm system is armed and you open:
R a door
R the vehicle with the mechanical key
R the tailgate
R the hood
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.
i If the alarm stays on for more than 30
seconds, the emergency call system
mbrace (USA only) or Tele Aid (Canada
only) initiates a call to the Customer
Assistance Center automatically. The
emergency call system initiates the call
provided that:
R you have subscribed to the mbrace/Tele
Aid service
R the mbrace/Tele Aid service has been
activated properly
R the mobile phone, power supply and GPS
necessary are available
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XTo arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
The turn signal lamps flash three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
i If the turn signal lamps do not flash three
times, a door or the tailgate may not be
properly closed.
It may be necessary to close the affected
door or the tailgate.
XTo deactivate: unlock the vehicle using the
key or KEYLESS-GO.
The turn signal lamps flash once to indicate
that the anti-theft alarm system is switched
off.
i Unless you open a door or the trunk lid
within 40 seconds after unlocking the
vehicle:
R the vehicle will be locked again.
R the anti-theft alarm system will be re-
armed.
XTo stop the alarm using the SmartKey:
insert the key into the ignition lock.
The alarm is switched off.
or
XPress the % or & button on the key.
The alarm is switched off.XTo stop the alarm using KEYLESS-GO:
grasp the outside door handle. The key
must be outside the vehicle.
The alarm is switched off.
or
XPress the Start/Stop button on the
dashboard. The key must be inside the
vehicle.
The alarm is switched off.72Anti-theft systemsSafety
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If you pull on the handle of the tailgate, only
the cargo area of the vehicle is unlocked.
i If the vehicle has been parked for a long
time, you must pull the door handle to
activate the KEYLESS-GO functions.
Changing the settings of the locking
system
You can change the settings of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
XTo change the setting: press the %
and & buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
The SmartKey now functions as follows:
XTo unlock the driver's door: press the
% button once.XTo unlock centrally: press the %
button twice.XTo lock centrally: press the & button.
The KEYLESS-GO function is changed as
follows:
XTo unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.XTo unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.XTo lock centrally: press locking
button : on one of the door handles.
Restoring the factory settings
XPress the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice.Mechanical key
General notes
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Y page 71).
There are several ways to turn off the alarm:
XPress the % or & button on the
SmartKey.
or
XInsert the SmartKey into the ignition lock.
or
XPress the Start/Stop button in the ignition
lock. The SmartKey must be in the vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
Removing the mechanical key
XPush release catch : in the direction of
the arrow and at the same time remove
mechanical key ; from the SmartKey.
SmartKey battery
Important safety guidelines
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center.
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Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been locked, unless the child-
proof locks have been activated (Y page 66).
Open the door only when the traffic
conditions permit.
If the vehicle has been opened with the
SmartKey or KEYLESS-GO key, opening from
inside triggers the anti-theft alarm system.
Switch off the alarm ( Y page 71).XPull door handle ;.
If the door is locked, locking knob : pops
up. The door is unlocked and can be
opened.
Centrally locking and unlocking the
vehicle from the inside
The locking or unlocking buttons of the
central locking do not lock or unlock the fuel
filler flap.
The buttons are located on both front doors.
i You cannot unlock the vehicle centrally
from the inside if the vehicle has been
locked with the SmartKey or KEYLESS-GO.
i It is only possible to lock the vehicle
centrally if the front-passenger door is
closed.
XTo unlock: press button :.XTo lock: press button ;.
The vehicle locks when all the doors and
the tailgate are closed.
You can open a locked front door from inside
the vehicle. Only open the door if traffic
conditions allow you to do so.
If the vehicle has previously been locked with
the central locking button:
R and the KEYLESS-GO key is restored to the
factory settings, the entire vehicle is
unlocked if a front door is opened from
inside the vehicle.
R and the KEYLESS-GO key is set to individual
settings, only the front door which is
opened from inside the vehicle is unlocked.
If the vehicle has been locked centrally with
the SmartKey or with KEYLESS-GO, it does
not unlock if you use the unlocking button of
the central locking.
Automatic locking
i The vehicle locks automatically when the
ignition is switched on and the wheels of
the vehicle are moving at a speed of more
than 9 mph(15 km/h). You may therefore
lock yourself out if the vehicle is being
pushed, towed, or located on a test rig.
You can switch off the automatic locking
function via the on-board computer
( Y page 208).
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Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked
centrally with the key or KEYLESS-GO:XTake the mechanical key out of the key
( Y page 77).XInsert the mechanical key into the lock of
the driver's door as far as it will go.XTurn the mechanical key counter-clockwise
as far as it will go to position 1 and hold
it in this position.XPull the door handle beyond the first
resistance.
The locking knob pops up.
The door is unlocked.XTurn the mechanical key back and remove
it.XPull the door handle again.
Locking the vehicle
Emergency locking
If the vehicle can no longer be locked
centrally with the SmartKey or KEYLESS-GO:
XClose the front-passenger door, the rear
door on the front-passenger side and the
tailgate.XOpen the driver’s door and the rear door on
the driver’s side.XPress the locking button on the driver’s
door ( Y page 81).
The locking knobs in the front-passenger
door and in the rear doors drop down.XPress down the locking knobs in the front-
passenger and rear doors manually, if
necessary.XClose the driver's door from the outside.XPress down the locking knob of the driver's
door by reaching in through the open rear
door.
i Make sure that you have the vehicle key
on your person and that it has not been left
in the vehicle.
XClose the rear door on the driver’s side.XMake sure that the doors and the tailgate
are locked.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not activated.
Tailgate
Important safety guidelines
Do not leave the key in the cargo
compartment. You could otherwise lock
yourself out.
GWarning!
When leaving the vehicle, always remove the
SmartKey from the starter switch. Always
take the SmartKey with you and lock the
vehicle. Do not leave children unattended in
the vehicle, even if they are secured in a child
restraint system, 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. The children
could
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
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