2016 MERCEDES-BENZ S CLASS alarm

Unlocking and opening doors from
the inside You can open a door from inside the vehicle
even if it has been locked. You can only open the
rear doors from inside the vehicle if they are not
secured by the child-proof locks ( Y
page 67). If
the vehicle has been locked with the SmartKey
or with KEYLESS-GO, opening a door from the
inside will trigger the anti-theft alarm system.
Switch off the alarm ( Y
page 78).
X
To unlock and open a front door: pull door
handle D .
If the door is locked, locking knob C pops up.
The door is unlocked and opens. X
To unlock a rear door: pull door handle D .
Locking knob C pops up and the door
unlocks. X
To open a rear door: pull door handle D
again.
The door opens.
Centrally locking and unlocking the
vehicle from the inside You can centrally lock and unlock the vehicle
from the inside. The buttons are located on both
front doors. X
To unlock: press button C .X
To lock: press button D .
If the front-passenger door is closed, the vehi-
cle locks.
If the driver's door is open, the door stays
unlocked.
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 67).
If the vehicle has been locked with the SmartKey
or with KEYLESS-GO, opening a door from the
inside will trigger the anti-theft alarm system.
Switch off the alarm ( Y
page 78).
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 but-
ton for the central locking, or R
if the vehicle was locked automatically
The vehicle will be fully unlocked if it had previ-
ously 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.86
Doors
Opening and closing

firmly. Do not pull the door handle when doing
so.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm sys-
tem will be triggered. Switch off the alarm
( Y
page 78).
Locking the vehicle (mechanical key) If the vehicle can no longer be locked with the
SmartKey or KEYLESS-GO, use the mechanical
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 86).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 SmartKey
( Y
page 81).
X
Insert the mechanical key as far as it will go
into opening C 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 G .
The locking knob drops down and the driver's
door is locked. X
Turn the mechanical key back and remove it. X
Make sure that the doors and the trunk lid are
locked. X
Insert the mechanical key into the SmartKey
( Y
page 82). 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.
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,
especially if the vehicle is in motion. There is a
risk of poisoning.
Always switch off the engine before opening
the trunk lid. Never drive with the trunk lid
open.
G WARNING
If objects, luggage or loads are not secured or
not secured sufficiently, they could slip, tip88
Trunk
Opening and closing

Opening and closing X
To open: pull the remote operating switch for
trunk lid C until the trunk lid opens.X
To close: press and hold remote operating
switch C for the trunk lid until the trunk lid is
completely closed.
When the vehicle is stationary, you can close the
trunk lid from the driver's seat. When the vehicle
is also unlocked, you can also open the trunk lid
from inside.
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 sepa-
rately: X
Close the trunk lid. X
Open the glove box. X
Push the switch to position D .
If the vehicle is unlocked centrally, the trunk
remains locked.
i You can also lock the glove box
( Y
page 326). Deactivating the function to lock the trunk sep-
arately: X
Open the glove box. X
Push the switch to position C .
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 lid can no longer be unlocked: R
using the SmartKey, or R
using HANDS-FREE ACCESS, or R
using the remote operating switch in the door
control panel:
Use the emergency release.
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 78). X
Take the mechanical key out of the SmartKey
( Y
page 81). X
Insert the mechanical key into the trunk lid
lock as far as it will go.
X
Turn the mechanical key from position G
counter-clockwise as far as it will go to posi-
tion H .
The trunk is unlocked. X
Turn the mechanical key back to position G
and remove it. X
Insert the mechanical key into the SmartKey
( Y
page 82). Trunk 93
Opening and closing Z

previously selected climate control setting is
activated. In this way you can cool or heat the
interior of the vehicle before starting the jour-
ney.
Only start the engine via your smartphone if it is
safe to start and run the engine where your vehi-
cle is parked.
Observe the legal stipulations in the area where
your vehicle is parked. Engine start via smart-
phone may be limited to certain countries or
regions.
You can execute a maximum of two consecutive
starting attempts via your smartphone. If you
insert the SmartKey into the ignition lock, you
can carry out two more starting attempts.
Once you have started the engine, you can
switch the engine off via your smartphone at any
time.
You can only start the engine via your smart-
phone if: R
the SmartKey is in the ignition lock R
park position P is selectedR
the accelerator pedal is not depressed R
the anti-theft alarm system is not activated R
the panic alarm is not activated R
the hazard warning lamps are switched off R
the hood is closed. R
the doors are closed and locked R
the windows and sliding sunroof are closed
Also make sure that: R
the fuel tank is sufficiently filled R
the starter battery is sufficiently charged
G WARNING
Limbs could be crushed or trapped if the
engine is started unintentionally during ser-
vice or maintenance work. There is a risk of
injury.
Always secure the engine against uninten-
tional starting before carrying out mainte-
nance or repair work.
Make sure that the engine cannot be started via
your smartphone before carrying out mainte-
nance or repairs. You can prevent an engine
start via your smartphone, for example, if you: R
switch on the hazard warning lamps R
do not lock the doors R
open the hood Pulling away
General notes
G WARNING
If the engine speed is above the idling speed
and you engage transmission position D or R ,
the vehicle could pull away suddenly. There is
a risk of an accident.
When engaging transmission position D or R ,
always firmly depress the brake pedal and do
not simultaneously accelerate.
Depress the accelerator carefully when pulling
away.
The vehicle locks centrally once you have pulled
away. The locking knobs in the doors drop down.
You can open the doors from the inside at any
time.
You can also deactivate the automatic locking
feature ( Y
page 87).
It is only possible to shift the transmission from
position P to the desired position if you depress
the brake pedal. Only then is the parking lock
released.
If you do not depress the brake pedal, the
DIRECT SELECT lever can still be moved but the
parking lock remains engaged.
i Upshifts take place at higher engine speeds
after a cold start. This helps the catalytic con-
verter to reach its operating temperature
more quickly.
Information on the automatic release of the
electric parking brake ( Y
page 191).
Hill start assist Hill start assist helps you when pulling away for-
wards or in reverse on an uphill gradient. It holds
the vehicle for a short time after you have
removed your foot from the brake pedal. This
gives you enough time to move your foot from
the brake pedal to the accelerator pedal and to
depress it before the vehicle begins to roll.
G WARNING
After a short time, hill start assist will no lon-
ger brake your vehicle and it could roll away.
There is a risk of an accident and injury. Driving 165
Driving and parking Z

Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
You will be asked for your password.
The next time you are inside the vehicle and you
switch on the ignition, the Doors Locked
Remotely message appears in the multifunction
display.
Alternatively, the vehicle can be locked via: R
the Internet, under the "Owners Online" sec-
tion R
the telephone application (e. g. for iPhone ®
,
Android)
To do this, you will need your identification num-
ber and password.
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 Center
together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The
Mercedes-Benz Customer Assistance Center
contacts you and the local law enforcement
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 Health Check With the Vehicle Health Check, the Customer
Assistance Center can provide improved sup-
port for problems with your vehicle. During an
existing call, vehicle data is transferred to the
Customer Assistance Center.
The customer service representative can use
the received data to decide what kind of assis-
tance 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. The Roadside Assistance Connected mes-
sage appears in the display. If the Vehicle Health
Check can be started, the Request for Vehi‐
cle Diagnostics Received Start vehi‐
cle diagnostics? message appears in the
display. X
Press the Yes button to confirm the message. X
When the Vehicle Diagnostics Please
Start Ignition message appears: turn the
SmartKey to position 2 in the ignition lock
( Y
page 162). X
If the Please follow the instructions
received by phone and move your vehi‐
cle 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 Vehi‐
cle Diagnostics Active message.
If you select Cancel
, the Vehicle Health
Check is canceled completely.
When the check is complete, the Sending
vehicle diagnostics data. (Voice con‐
nection may be interrupted during
data transfer) message appears. The vehicle
data can now be sent. X
Press the OK button to confirm the message.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐
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 connec-
tion is re-established after the transfer is com-
plete. 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 Health Check is
the transfer of service data to the Customer
Assistance Center. If a service is due, the display
shows a message to this effect together with
information about any special offers at your
workshop.
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 29).346
Features
Stowage and features

Information on Roadside Assistance
( Y
page 26).
Downloading routes Downloading routes allows you to transfer and
save predefined routes in the navigation sys-
tem.
A route can be prepared and sent by either a
customer service representative or under "Own-
ers Online" at http://www.mbusa.com.
Each route can include up to four way points.
Once a route has been received by the naviga-
tion system, you will see the External desti‐
nation ICON_POI_Category Name_1 has
been saved to "Previous destina‐
tions". Would you like to start navi‐
gation? message on the multimedia system
display.
The route is saved. X
To start route guidance: select Yes .
An overview of the route is shown in the dis-
play.
If you select No , the saved route can be called
up later in the navigation menu. X
Select Start .
Starting route guidance.
Downloaded and saved routes can be called up
again.
You can find further information in the separate
multimedia system 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 vehicle,
a message will be sent to the Customer Assis-
tance 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 excee-
ded R
the time at which the speed limit was excee-
ded R
the selected speed limit which was exceeded 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 boundaries
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 simultaneously. Dif-
ferent settings are possible for each area.
These settings can be called up under "Owners
Online" at http://www.mbusa.com.
Alternatively, you can trigger an MB Info call and
inform the customer service representative 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 vehicle'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 sec-
onds. Afterwards, the alarm switches off.
Garage door opener
General notes The HomeLink ®
garage door opener integrated
in the rear-view mirror allows you to operate up
to three different door and gate systems.
Use the integrated garage door opener only on
garage doors that: R
have safety stop and reverse features and R
meet current U.S. federal safety standards
Once programed, the integrated garage door
opener in the rear-view mirror will assume the
function of the garage door system's remote
control. Please also read the operating instruc-
tions for the garage door system.
When programming a garage door opener, park
the vehicle outside the garage. Do not run the
engine while programming.
Certain garage door drives are incompatible
with the integrated garage door opener. If you
have difficulty programing the integrated garage Features 347
Stowage and features Z