2013 MERCEDES-BENZ B-CLASS SPORTS key

Power steering will, however, continue to
function.
Theft deterrent locking system
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
X To activate: remove the SmartKey from
the ignition lock.
X To deactivate: switch on the ignition.
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.
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 the
USA) or 1-800-387-0100 (in Canada).
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 1-800-387-0100. ATA (anti-theft alarm system)
Function Av
isual 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 Tele Aid system
automatically initiates a call to the
Customer Assistance center.T he Tele Aid
system will initiate the call provided that:
R you have subscribed to the Tele Aid
service.
R the Tele Aid service has been activated
properly.
R the required mobile phone, power supply
and GPS are available.
Activating X
Lock the vehicle with the SmartKey.
Indicator lamp :flashes. The alarm
system is armed after approximately
15 seconds.
Deactivating X
Unlock the vehicle with the SmartKey.
or
X Insert the SmartKey into the ignition lock.
Turning off the alarm X
Insert the SmartKey into the ignition lock.
The alarm turns off.
or
X Press the %or& button on the
SmartKey.
The alarm turns off. Theft deterrent locking system
65Safety Z

Interior motion sensor
Function When the interio
rmotion sensor is armed, a
visual and audible alarm is triggered if
movemen tis detected in the vehicle interior.
This occurs if someone reaches into the
vehicle interior, for example.
Activating X
Make sure that:
R
the side windows are closed.
R the panorama roof with power tilt/
sliding panel is closed.
This will prevent false alarms.
X Make sure that the doors and tailgate are
closed.
Only then is the interior motion sensor
armed.
X Lock the vehicle with the SmartKey.
The interior motion sensor is armed after
approximately 30 seconds.
Deactivating X
Unlock the vehicle with the SmartKey.
or
X Insert the SmartKey into the ignition lock.
The interior motion sensor is disarmed
automatically.
Deactivating X
Remove the SmartKey from the ignition
lock.
X Press button :.
Indicator lamp ;flashes briefly.
X Lock the vehicle with the SmartKey.
The interior motion sensor is deactivated.
The interior motion sensor remains
deactivated until:
R the vehicle is unlocked again.
R a door is opened and closed again.
R the vehicle is locked again.
To prevent a false alarm, deactivate the
interior motion sensor if you lock your vehicle
and:
R people or animals remain in the vehicle.
R the side windows remain open.
R the panorama roof with power tilt/sliding
panel remains open. 66
Theft deterrent locking systemSafety

Useful information
..............................68
SmartKey ............................................. 68
Doors .................................................... 73
Cargo compartment ............................76
Side windows ...................................... 77
Sliding sunroof .................................... 80 67Opening/closing

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops (Y page 23).SmartKey
Important safety notes
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very hot, and a child could be burned on these
parts.
G
WARNING
Do not attach any heavy or large key rings to
the key that is inserted in the ignition. If a key
ring is too heavy or too large, the weight acting
on the key could cause it to turn in the ignition
lock or catch on the steering wheel. This could
cause the engine to be switched off suddenly.
You could lose control of the vehicle and
cause an accident.
Keep the SmartKey away from strong
magnetic fields. Otherwise, the remote
control function could be affected.
Do not keep the SmartKey:
R with electronic devices, e.g. a mobile
phone or another SmartKey
R with metallic objects, e.g. coins or metal
foil
R inside metallic objects, e.g. a metal case SmartKey functions
:
& To lock the vehicle
; % To unlock the vehicle
X To unlock centrally: press the%
button.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the theft deterrent locking system is armed
again. 68
SmartKeyOpening/closing

X
To lock centrally: press the&button.
The SmartKey centrally locks/unlocks:
R the doors
R the tailgate
R the fuel fille rflap
When unlocking, the tur nsignals flash once.
When locking, they flash three times.
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 190).
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Y page 191).Changing the settings of the locking
system
You can change the settings of the locking
system. When you the nunlock the vehicle
only the driver's door and the fuel fille rflap
are unlocked. This is useful if you frequently
travel on your own.
X To change the setting: press and hold
down the %and& buttons
simultaneously for approximately six
seconds until the battery chec klamp
(Y page 70) flashes twice.
i If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the &or% button:
R locks or
R unlocks the vehicle
The SmartKey now functions as follows:
X To unlock the driver's door: press the
% button once.
X To unlock centrally: press the%
butto ntwice.
X To lock centrally: press the&button.
X To restore the factory settings: press
and hold down the %and& buttons
simultaneously for approximately six seconds until the battery check lamp
flashes twice (
Ypage 70). Mechanical key
General notes If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unloc
kand
open the driver's door, the anti-thef talarm
system will be triggered ( Ypage 65).
There are several ways to tur noff the alarm:
X Press the %or& button on the
SmartKey.
or
X Insert the SmartKey into the ignition lock.
If you unlock the vehicle using the mechanical
key, the fuel filler flapw ill not be unlocked
automatically.
X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key X
Push release catch :in the direction of
the arrow and at the same time remove
mechanical key ;from the SmartKey. SmartKey
69Opening/closing Z

SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and caustic
substances. For this reason, keep batteries
out of the reach of children.
If a battery has been swallowed, seek medical
help immediately. G
WARNING
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. Observe
governmen tdisposal guidelines. California
residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Ben zrecommends that you have
the batteries replaced at a qualified specialist
workshop.
Checking the battery X
Press the &or% button.
The battery is working properly if battery
chec klamp :lights up briefly.
The battery is discharged if battery check
lamp :does no tlight up briefly.
X Change the battery (Y page 70).i
If the SmartKey battery is checked within
the signal receptio nrange of the vehicle,
pressing the &or% button:
R locks or
R unlocks the vehicle
i You can get a battery in any qualified
specialist workshop.
Replacing the battery You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
SmartKey (Y page 69). X
Press mechanical key ;into the opening
in the SmartKey in the direction of the
arrow until battery tray cover :opens.
When doing so, do no thold cover :shut.
X Remove battery tray cover :. X
Repeatedly tap the SmartKey against your
palm until battery =falls out.
X Insert the new battery with the positive
terminal facing upwards. Use a lint-free
cloth to do so. 70
SmartKeyOpening/closing

X
Make sure that the surface of the battery is
free from lint, grease and all other forms of
contamination.
X Insert the front tabs of battery tray
cover :and then press to close it.
X Insert the mechanical key into the
SmartKey.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
71Opening/closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
M Solutions
You cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the %or
& button.
If this does not work:
X Check the SmartKey battery and replace it if necessary
(Y page 70).
X Unlock (Y page 75) or lock (Y page 75) the vehicle using the
mechanical key. There is interference from a powerful source of radio waves.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the %/
& button. The SmartKey is faulty.
X
Unlock (Y page 75) or lock (Y page 75) the vehicle using the
mechanical key.
X Have the SmartKey checked at a qualified specialist workshop. You have lost a
SmartKey. X
Have the SmartKey deactivated at a qualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. 72
SmartKeyOpening/closing