alarm MERCEDES-BENZ C-Class SEDAN 2015 W205 User Guide

Meanwhile, the fuel filler flap will not be
locked or unlocked.
You cannot unlock the vehicle centrally from
the inside if the vehicle has been locked with the SmartKey or KEYLESS-GO.
The doors can be opened from the inside. You
can only open the rear doors from inside the
vehicle if they are not secured by the child-
proof locks (Y page 65).
If the vehicle has been locked with the Smart-
Key or with KEYLESS-GO, opening a door from the inside will trigger the anti-theft alarm sys-
tem. Switch off the alarm (Y page 76).
If a locked door is opened from the inside, the previous unlock status of the vehicle will be
taken into consideration if:
R the vehicle was locked using the locking
button for the central locking, or
R if the vehicle was locked automatically
The vehicle will be fully unlocked if it had pre- viously been fully unlocked. If only the driver's
door had been previously unlocked, only the
door which has been opened from the inside
is unlocked. Automatic locking feature
X
To deactivate: press and hold button 0043
for approximately five seconds until a tone sounds.
X To activate: press and hold button 0044for
approximately five seconds until a tone
sounds. If you press one of the two buttons and do not
hear a tone, the relevant setting has already
been selected.
The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning.
You could therefore be locked out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
i You can also activate and deactivate the
automatic locking function via COMAND or
Audio 20 (see the separate operating
instructions). Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO, use the mechanical key.
X Take the mechanical key out of the Smart-
Key (Y page 83).
Vehicles with KEYLESS-GO: X Insert the tip of the mechanical key into the
slit on the cover of the driver's door lock
and turn it until the cover is released. X
Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key counter-clockwise
as far as it will go to position 0047.
The locking knob pops up and the door
unlocks. 88
DoorsOpening and closing

X
Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key.
X Hold the cover over the lock of the driver's
door with the thicker end towards the front of the vehicle and press to secure. Then
make sure that the slit of the cover is hor-
izontal.
Vehicles without KEYLESS-GO: X
Insert the mechanical key into opening 0043
in the protective cap.
X Pull and hold the door handle.
X Pull the protective cap on the mechanical
key as straight as possible away from the
vehicle until it releases.
X Release the door handle. X
Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key counter-clockwise
as far as it will go to position 0047.
The locking knob pops up and the door
unlocks. X
Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key (Y page 83).
X Carefully press the protective cap onto the
lock cylinder until it engages and is seated firmly. Do not pull the door handle when
doing so.
All vehicles:
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered. Switch off the alarm
(Y page 76). Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey or KEYLESS-GO, use the mechani-
cal key.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the trunk lid.
X Press the locking button (Y page 87).
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 mechanical key out of the Smart-
Key (Y page 83).
Vehicles with KEYLESS-GO: X Insert the tip of the mechanical key into the
slit on the cover of the driver's door lock
and turn it until the cover is released. Doors
89Opening and closing Z

X
Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key clockwise as far as
it will go to position 0047.
The locking knob drops down and the driv- er's door is locked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key.
X Make sure that the doors and the trunk lid
are locked.
X Hold the cover over the lock of the driver's
door with the thicker end towards the front of the vehicle and press to secure. Then
make sure that the slit of the cover is hor-
izontal.
Vehicles without KEYLESS-GO: X
Insert the mechanical key into opening 0043
in the protective cap.
X Pull and hold the door handle. X
Pull the protective cap on the mechanical
key as straight as possible away from the
vehicle until it releases.
X Release the door handle. X
Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key clockwise as far as
it will go to position 0047.
The locking knob drops down and the driv- er's door is locked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key (Y page 83).
X Make sure that the doors and the trunk lid
are locked.
X Carefully press the protective cap onto the
lock cylinder until it engages and is seated
firmly. Do not pull the door handle when
doing so.
All vehicles:
If you lock the vehicle as described above, the fuel filler flap is not locked. The anti-theft
alarm system is not armed. Trunk
Important safety notes
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid is open when the engine is running, 90
TrunkOpening and closing

Opening
You can open the trunk lid from the driver's
seat when the vehicle is stationary and
unlocked.
X Pull remote operating switch for trunk
lid 0043 until the trunk lid opens. Locking the trunk separately
You can lock the trunk separately. If you then
unlock the vehicle centrally, the trunk
remains locked and cannot be opened. Activating the function to lock the trunk sep-
arately:
X Close the trunk lid.
X Open the glove box.
X Push the switch to position 0043.
If the vehicle is unlocked centrally, the
trunk remains locked.
i You can also lock the glove box
(Y page 299). Deactivating the function to lock the trunk
separately:
X Open the glove box.
X Push the switch to position 0044.
If the vehicle is unlocked centrally, the
trunk will also be unlocked. Unlocking the trunk (mechanical key)
! 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, KEYLESS-GO or HANDS-FREE
ACCESS, use the mechanical key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system will be triggered. Switch off the alarm
(Y page 76).
X Take the mechanical key out of the Smart-
Key (Y page 83).
X Insert the mechanical key into the trunk lid
lock as far as it will go. X
Turn the mechanical key counter-clockwise
as far as it will go from position 0047to posi-
tion 0048.
The trunk is unlocked.
X Turn the mechanical key back to position
0047 and remove it.
X Insert the mechanical key into the Smart-
Key (Y page 83).
When you lock the vehicle (Y page 89), the
trunk is also locked. 96
TrunkOpening and closing

Stolen vehicle recovery service
If your vehicle has been stolen:
X Notify the police.
The police will issue a numbered incident
report.
X This number will be forwarded to the
Mercedes-Benz Customer Assistance Cen- ter together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The Mercedes-Benz Customer Assistance Cen-ter contacts you and the local law enforce-
ment agency if the vehicle is located.
However, only the law enforcement agency is informed of the location of the vehicle.
If the anti-theft alarm system is activated for
longer than 30 seconds, the Mercedes-Benz
Customer Assistance Center is automatically notified.
Vehicle remote malfunction diagnosis With the vehicle remote malfunction diagno-
sis, the Customer Assistance Center can pro-
vide improved support for problems with your
vehicle. During an existing call, vehicle data is
transferred to the Customer Assistance Cen- ter.
The customer service representative can use
the received data to decide what kind of
assistance is required. You are then, for
example, guided to the nearest authorized
Mercedes-Benz Center or a recovery vehicle
is called.
If vehicle data needs to be transferred during an MB Info call or a Roadside Assistance call,
this is initiated by the Customer Assistance
Center.
You will see the following message in the
COMAND display: Roadside Assistance
Roadside Assistance
Connected Connected. If the remote malfunction diag-
nosis can be started, the Request for
Request for
Vehicle Diagnostics Received Start Vehicle Diagnostics Received Start
vehicle vehicle diagnostics?
diagnostics? message appears in
the display. X
Press the Yes
Yesbutton to confirm the mes-
sage.
X When the Vehicle Diagnostics
Vehicle Diagnostics
Please Start Ignition
Please Start Ignition message
appears: turn the SmartKey to position 2in
the ignition lock (Y page 157).
X If the Please follow the instruc‐
Please follow the instruc‐
tions received by phone and move
tions received by phone and move
your vehicle to a safe position. your vehicle to a safe position.
message appears: please follow the
instructions received by phone and move
your vehicle to a safe position.
The message in the display disappears.
The vehicle operating state check begins.
During this procedure, you will see the
Vehicle Vehicle Diagnostics
Diagnostics Active
Activemessage.
If you select Cancel
Cancelthe vehicle remote
malfunction diagnosis is canceled com-
pletely.
When the check is complete, the Sending Sending
vehicle diagnostics data. (Voice
vehicle diagnostics data. (Voice
connection may be interrupted dur‐ connection may be interrupted dur‐
ing ing data
data transfer)
transfer) message appears. The
vehicle data can now be sent.
X Press the OK
OKbutton to confirm the mes-
sage.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐ Vehicle Diagnostics: Transfer‐
ring Data...
ring Data... message appears.
The vehicle data is sent to the Customer
Assistance Center.
Depending on what the customer service rep-
resentative agreed with you, the voice con-
nection is re-established after the transfer is
complete. If necessary, you will be contacted at a later time by another means, e.g. by e-
mail or phone.
Another function of the vehicle remote mal-
function diagnosis is the transfer of service
data to the Customer Assistance Center. If a
service is overdue, the COMAND display
shows a message about various special offersat your workshop. Features
317Stowage and features Z

This information can also be called up under
"Owners Online" at http://www.mbusa.com.
Information on the data stored in the vehicle
(Y page 28).
Information on Roadside Assistance
(Y page 24).
Downloading routes Downloading routes allows you to transfer
and save predefined routes in the navigation
system.
A route can be prepared and sent by either a customer service representative or under
"Owners Online" at http://www.mbusa.com.
Each route can include up to four way points.
Once a route has been received by the navi-
gation system, you will see the The
The "Route "Route
name"
name" external
external route
routehas
hasbeen
been saved
saved
to "Previous Destinations". Would
to "Previous Destinations". Would
you like to start navigation? you like to start navigation? mes-
sage. The route is saved to the hard disk.
X To start route guidance: selectYes
Yes.
An overview of the route is shown in the
display.
If you select No
No the saved route can be
called up later in the navigation menu.
X Start Start.
Route guidance is started.
Downloaded and saved data can be called up
again via COMAND.
You can find further information in the sepa-
rate COMAND Operating Instructions.
Speed alert You can define the upper speed limit, which
must not be exceeded by the vehicle.
If this selected speed is exceeded by the vehi-
cle, a message will be sent to the Customer
Assistance Center. The Customer Assistance Center then forwards this information to you.
You can select the way in which you receive
this information beforehand. Possible options include text message, e-mail or an automated
call. The data you receive contains the following
information:
R the location where the speed limit was
exceeded
R the time at which the speed limit was
exceeded
R the selected speed limit which was excee-
ded
Geo fencing Geo fencing allows you to select areas which
the vehicle should not enter or leave. You will
be informed if the vehicle crosses the boun-
daries of the selected areas. You can select
the way in which you receive this information beforehand. Possible options include text
message, e-mail or an automated call.
The area can be determined as either a circle
or a polygon with a maximum of ten corners.
You can specify up to ten areas simultane-
ously. Different settings are possible for each area.
These settings can be called up under "Own-
ers Online" at http://www.mbusa.com.
Alternatively, you can trigger an MB Info call
and inform the customer service representa-
tive that you wish to activate geo fencing.
Currently inactive areas can be activated by
text message.
Triggering the vehicle alarm With this function, you can trigger the vehi-
cle's panic alarm via text message. An alarm
sounds and the exterior lighting flashes.
Depending on the setting, the panic alarm
lasts five or ten seconds. Afterwards, the
alarm switches off.
Garage door opener
General notes The HomeLink
®
garage door opener integra-
ted in the rear-view mirror allows you to oper- 318
FeaturesStowage and features