Page 90 of 350
XTo stop the alarm using KEYLESS-GO:
grasp the outside door handle. The Smart-
Key must be outside the vehicle.
The alarm is switched off.
or
XPress the Start/Stop button on the dash-
board. The SmartKey must be inside the
vehicle.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that triggered it, for
example.
iIf the alarm continues for more than
30 seconds, the mbrace emergency call
system automatically notifies the Cus-
tomer Assistance Center. This is done
either by text message or data connection.
The emergency call system sends the mes-
sage or data provided that:
Ryou have subscribed to the mbrace ser-
vice.
Rthe mbrace service has been activated
properly.
Rthe necessary mobile phone network is
available.
88Protection against theft
Safety
Page 94 of 350

lights up once, then KEYLESS-GO is deac-
tivated.
XTo activate:press any button on the
SmartKey or insert the SmartKey into the
ignition lock.
KEYLESS-GO and all of its associated fea-
tures are available again.
Changing the settings of the locking
system
You can find information about this in the
Digital Operator's Manual.
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid/tail-
gate, the anti-theft alarm system will be trig-
gered (
Ypage 87).
There are several ways to turn off the alarm:
XTo deactivate the alarm with the Smart-
Key: press the %or& button on the
SmartKey.
or
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The SmartKey must be in the
vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle. If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
XTo unlock the fuel filler flap:
insert the
SmartKey into the ignition lock.
Removing the mechanical key
XPush release catch :in the direction of
the arrow and at the same time remove
mechanical key ;from the SmartKey.
For further information about:
Runlocking the driver's door (Ypage 96)
Runlocking the trunk (Ypage 103)
Runlocking the tailgate (Ypage 103)
Rlocking the vehicle (Ypage 96)
Inserting the mechanical key
XPush mechanical key ;completely into
the SmartKey until it engages and release
catch :is back in its basic position.
92SmartKey
Opening and closing
Page 98 of 350

Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
XTake the mechanical key out of the Smart-
Key (
Ypage 92).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key counter-clockwise
to position1.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XInsert the mechanical key into the Smart-
Key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Ypage 87).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
XOpen the driver's door.
XClose the front-passenger door, the rear
doors and the trunk lid/tailgate.
XPress the locking button (Ypage 95).
XCheck 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.
XClose the driver's door.
XTake the mechanical key out of the Smart-
Key (
Ypage 92).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key clockwise to posi-
tion 1.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XMake sure that the doors and the trunk lid/
tailgate are locked.
XInsert the mechanical key into the Smart-
Key.
Trunk/cargo compartment
Important safety notes
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid/tailgate is open when the engine is
running, especially if the vehicle is in motion.
There is a risk of poisoning.
Always switch off the engine before opening
the trunk lid/tailgate. Never drive with the
trunk lid/tailgate open.
!The trunk lid/tailgate swings upwards
and to the rear when opened. Therefore,
make sure that there is sufficient clearance
above and behind the trunk lid/tailgate.
96Trunk/cargo compartment
Opening and closing
Page 105 of 350

XInsert the mechanical key into the trunk lid
lock as far as it will go.
XTurn the mechanical key clockwise from
position1to position 2.
XRemove the mechanical key.
XInsert the mechanical key into the Smart-
Key.
Unlocking the trunk (Sedan)
!
The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use the mechani-
cal key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system
will be triggered (
Ypage 87).
XTake the mechanical key out of the Smart-
Key (
Ypage 92).
XInsert the mechanical key into the trunk lid
lock as far as it will go.
XTurn the mechanical key from position 1
counter-clockwise as far as it will go to
position 2.
The trunk is unlocked.
XTurn the mechanical key back to position
1 and remove it.
XInsert the mechanical key into the Smart-
Key.
Trunk emergency release (Sedan)
You can open the trunk lid from inside the
vehicle with the emergency release button.
XPress emergency release button :briefly.
The trunk lid unlocks and opens.
The trunk lid can be unlocked and opened
with the trunk lid emergency release when
the vehicle is stationary or while driving.
The trunk lid emergency release does not
open the trunk lid if the battery is disconnec- ted or discharged.
Trunk lid emergency release light:
Remergency release button :flashes for
30 minutes after the trunk lid is opened.
Remergency release button :flashes for
60 minutes after the trunk lid is closed.
Tailgate emergency release (Wagon)
General notes
!The tailgate swings upwards and to the
rear when opened. Therefore, make sure
that there is sufficient clearance above and
behind the tailgate.
iTailgate opening dimensions
(
Ypage 344).
If the tailgate can no longer be opened from
outside the vehicle, use the emergency
release on the inside of the tailgate.
On vehicles with a folding bench seat, you can
use the handle to open the tailgate from
inside the vehicle (
Ypage 97).
Trunk/cargo compartment103
Opening and closing
Z
Page 254 of 350

Information in the Digital Operator's
Manual
Inthe Digital Operator's Manual you willfind
information on the following topics:
RVanit y mirror inthe sun visor
RGlare from the side
mbrace
Information in the Digital Operator's
Manual
In the Digital Operator's Manual you willfind
information on the following topics:
RDownloading destinations inCOMAND
RSe arch & Send
RVehicle remote opening
RVehicle remote closing
RStolen vehicle recovery service
RVehicle remote malfunction diagnosis
RDownloading routes
RSp eed alert
RGeo fencing
RTriggering the vehicle alarm
iThe mbrace system isonly availab le inthe
USA.
General notes
The mbrace system is only availablein the
USA.
You must have a license agreement to acti-
vate the mbrace service. Make sure that your system isactivated and operational. To log in,
press the ïMBInfo call button. Ifany of
the steps mentioned are not carried out, the
system may not be activated.
If you have questions about the activation,
contact one of the fol lowing telephone hot-
lin es:
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-M ERCedes (1-800-367-6372)
or 1-866-990-9007 Sh
ort lyafter successfully registering with the
mbrace service, a user IDand password will
be sent to you bymail. You can use th ispass-
word to log onto the mbrace area under "Own-
ers Onlin e" athttp://www.mbusa.com .
The system isavailab leif:
Rit has been activated and isoperational
Rthe corresponding mob ilephone network is
availab lefor transmitting data to the Cus-
tomer Center
Ra servic e subscr iption isavailab le
Rthe starter battery issufficiently charged
Determining the location of the vehicle on a
map isonly possible if:
RGPS reception isavailable.
Rthe vehicle posit ion canbeforwarded to
the Customer Assistance Center.
The mbrace system
To adjust the volume during a call, proceed as
follows:
XPress the WorX button on the mul-
tifunction steering wheel.
or
XUse the COMAND/A udio 20 volume con-
trol.
The system offers various servic es, e.g.:
RAutomaticand manual emergency call
RRoadside Assistance call
RMB Info call
You can find information and a description of
all availab lefeatures under "Owners Online"
at http:/ /www.mbusa.com.
System self-test
After you have switched on the ignit ion, the
system carries out a self-diagnosis.
252Features
Stowage and features