2007-2013 Mercedes C Class 4 Door Opening and closing -> SmartKey User Manual
MyCarUserManual.com
USER MANUALS FOR EVERY MAKE & MODEL

Opening and closing -> SmartKey for Your Mercedes C Class 4 Door Second Generation (2007-2013)

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
Read the information on qualified
specialist workshops: (Y page 25).
SmartKey
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R
open the doors, thus endangering other
people or road users.
R
get out and disrupt traffic.
R
operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R
release the parking brake.
R
shifting the automatic transmission out of
park position P
R
Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
G
WARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be
unintentionally turned in the ignition lock.This
could cause the engine to be switched off.
There is a risk of an accident.
Do not attach any heavy or large objects to
the SmartKey. Remove any bulky key rings
before inserting the SmartKey into the
ignition lock.
!
Keep the SmartKey away from strong
magnetic fields. Otherwise, the remote
control function could be affected.
Strong magnetic fields can occur in the
vicinity of powerful electrical installations.
R
Do not keep the KEYLESS-GO key:
-
with electronic devices, e.g. a mobile
phone or another SmartKey
-
with metallic objects, e.g. coins or metal
foil
-
inside metallic objects e.g. a metal case
This can affect the functionality of the
SmartKey.
SmartKey functions
The SmartKey centrally locks/unlocks:
R
the doors
R
the trunk lid
R
the fuel filler flap
74
SmartKey
Opening and closing
:
& To lock the vehicle
;
F To unlock the trunk lid
=
% To unlock the vehicle
The turn signals flash once when unlocking
and three times when locking.
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 210).
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 211).
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 deterrentlocking system is armed
again.
X
To lock centrally: press the & button.
KEYLESS-GO
General notes
Bear in mind that the engine can be started
by any of the vehicle occupants if there is a
KEYLESS-GO key in the vehicle.
Locking/unlocking centrally
You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the SmartKey with you. You can combine the
functions of KEYLESS-GO with those of a
conventional SmartKey. Unlock the vehicle
by using KEYLESS-GO, for instance, and lock
it using the & button on the SmartKey.
When locking or unlockingwith KEYLESS-GO,
the distance between the SmartKey and the
corresponding door handle must not be
greater than 3 ft (1 m).
KEYLESS-GO checks whether a valid
SmartKey is in the vehicle by periodically
establishing a radio connection between the
vehicle and the SmartKey. This happens:
R
when the external door handles are
touched
R
when starting the engine
R
while the vehicle is in motion
X
To unlock the vehicle: touch the inner
surface of the door handle.
X
To lock the vehicle: touch sensor
surface :.
X
Convenience closing feature: touch
recessed sensor surface ; for an
extended period.
Further information on the convenience
closing feature (Y page 87).
If you pull on the handle of the trunk lid, only
the trunk of the vehicle is unlocked.
Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's door
and the fuel filler flap are unlocked when the
SmartKey
75
Opening and closing
Z
vehicle is 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 check lamp
(Y page 77) 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 %
button twice.
X
To lock centrally: press the & button.
The KEYLESS-GO function is changed as
follows:
X
To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X
To unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.
X
To lock centrally: touch the outer sensor
surface on one of the door handles
(Y page 75).
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.
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey or the KEYLESS-
GO key, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered
(Y page 71).
X
To end the alarm: insert the SmartKey into
the ignition lock.
i
With KEYLESS-GO: remove the Start/
Stop button from the ignition lock
beforehand.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will 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 battery
Important safety notes
Mercedes-Benzrecommends that you have
the batteries replaced at a qualified specialist
workshop.
G
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
76
SmartKey
Opening and closing
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
Checking the battery
X
Press the & or % button.
The battery is working properly if battery
check lamp : lights up briefly.
If battery check lamp : does not lightup
briefly during the test, the battery is
discharged.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the & or % button:
R
locks or
R
unlocks the vehicle
X
Change the battery (Y page 77).
i
You can get a battery at a 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 76).
X
Press mechanical key ; intothe SmartKey
opening in the direction of the arrow until
battery compartment cover : opens. Do
not hold battery compartment cover :
closed while doing so.
X
Remove battery compartment 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.
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
compartment cover : into the housing
first and then press to close it.
X
Insert mechanical key ; into the
SmartKey.
X
Check the function of all SmartKey buttons
on the vehicle.
SmartKey
77
Opening and 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 (Y page 77) and replace it if
necessary (Y page 77).
X
Lock (Y page 81) or unlock (Y page 81) the vehicle using
the mechanical key.
The SmartKey is faulty.
X
Lock (Y page 81) or unlock (Y page 81) the vehicle using
the mechanical key.
X
Have the SmartKey checked at a qualified specialist workshop.
You can no longer lock
or unlock the vehicle
using KEYLESS-GO.
There is interference from a powerful source of radio waves.
X
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.
There is a malfunction with KEYLESS-GO.
X
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.
X
Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X
Check the SmartKey battery (Y page 77) and replace it if
necessary (Y page 77).
X
Lock (Y page 81) or unlock (Y page 81) the vehicle using
the mechanical key.
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.
78
SmartKey
Opening and closing

Related Topics

Opening and closing
Useful information Doors Trunk Side windows Sliding sunroof

Popular Owner Manuals

Audi
Audi
BMW
BMW
Citroen
Citroen
Ford
Ford
Honda
Honda
Peugeot
Peugeot