lock MERCEDES-BENZ E-Class WAGON 2013 W212 Owner's Guide

The Product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey.
R Do not keep the SmartKey:
-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 SmartKey's
functionality.
Keep the SmartKey away from strong
magnetic fields. Otherwise, the remote
control function could be affected. SmartKey functions
:
& To lock the vehicle
; F To open/close the tailgate
= % 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.
X To lock centrally: press the & button.
The SmartKey centrally locks/unlocks:
R the doors
R the trunk lid/tailgate
R the fuel filler flap When unlocking, the turn signals flash once.
When locking, they flash three times.
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 240).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 239). 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 and unlocking centrally
You can start, lock or unlock the vehicle using
KEYLESS-GO.

To do this, you only need carry
the SmartKey with you. When you touch the
surface of the sensors on the vehicle's
outside door handles, KEYLESS-GO
establishes a radio connection between the
vehicle and the SmartKey. When the engine
is started and whilst you are driving,
KEYLESS-GO also checks whether a valid
SmartKey is in the vehicle by periodically
establishing radio contact.
You can combine the KEYLESS-GO functions
with those of a conventional key, e.g. using
KEYLESS-GO to unlock and pressing the
& button to lock.
When locking or unlocking with KEYLESS-GO,
the distance between the SmartKey and the
corresponding door handle must not be
greater than 3 ft (1 m). SmartKey
79
Opening/closing Z

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.
X To unlock the trunk lid/tailgate: pull the
handle on the trunk lid/tailgate.
Further information on the convenience
closing feature ( Y page 94).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
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 on the
SmartKey simultaneously for
approximately

six seconds until the battery
check lamp flashes twice ( Y page 81).
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.
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 ( Y page 81). 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/
tailgate, the anti-theft alarm system will be
triggered (
Y page 75).
There are several ways to turn off the alarm:
X To turn the alarm off with the
SmartKey:

press the % or & button
on the SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the80
SmartKey
Opening/closing

ignition lock. The SmartKey must be in the
vehicle.
or
X Lock 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.
X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key :
Release catch
; 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 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
government disposal guidelines. California
residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends 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
check lamp : lights up briefly.
The battery is discharged if battery check
lamp : does not light up briefly.
X Change the battery ( Y page 81).
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
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 80). SmartKey
81
Opening/closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
M SolutionsYou 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 81) and replace it if
necessary ( Y page 81).
X Lock ( Y page 86) or unlock ( Y page 86) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock ( Y page 86) or unlock ( Y page 86) 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. KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for a long time.
X
Pull the door handle and then turn the SmartKey to position 2
in the ignition lock. 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 % or & 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 % or & button.
X Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X Check the SmartKey battery (Y page 81) and replace it if
necessary ( Y page 81).
X Lock ( Y page 86) or unlock ( Y page 86) 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. SmartKey
83
Opening/closing Z

Problem Possible causes/consequences and
M SolutionsYou have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 350).
or
X Jump-start the vehicle (Y page 352).
or
X Consult a qualified specialist workshop. Vehicles without
DIRECT SELECT lever
only:
The engine cannot be
started using the
SmartKey. The steering lock is mechanically blocked.
X
Remove the SmartKey and reinsert it into the ignition lock. While
doing this, turn the steering wheel in both directions. The engine cannot be
started
using KEYLESS-
GO. The SmartKey is in
the vehicle. A door is open. Therefore, the SmartKey cannot be detected as
easily.
X
Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock.84
SmartKey
Opening/closing

Doors
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. A child'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 carry heavy or hard objects in the
passenger compartment or trunk/cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident 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 66). X
Pull door handle ;.
If
the door is locked, locking knob : pops
up. The door is unlocked and can be
opened. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. X
To unlock: press button :.
X To lock: press button ;.
If
all the doors are closed, the vehicle locks.
You cannot unlock the vehicle centrally from
the
inside if the vehicle has been locked with
the SmartKey or KEYLESS-GO. Doors
85
Opening/closing Z

The central locking/unlocking button does
not lock or unlock the fuel filler flap.
You can open a front door from inside the
vehicle even if it has been locked.
If the vehicle has been locked using the
locking button for the central locking, or has
been locked automatically, and a door is
opened from the inside:
R
the vehicle will be fully unlocked if it had
previously been fully unlocked
R only
the door which has been opened form
the inside is unlocked if only the driver's
door had been previously unlocked Automatic locking feature
X
To deactivate: press and hold button :
for
about five seconds until a tone sounds.
X To activate: press and hold button ; for
about five seconds until a tone sounds.
i 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 lock yourself out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
You can also switch the automatic locking
function on and off using the on-board
computer (Y page 240). Unlocking the driver's door
(mechanical key)
If

the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
X Take the mechanical key out of the
SmartKey (Y page 80).
X Insert the mechanical key into the lock of
the driver's door as far as it will go. 1
To unlock
X Turn the mechanical key counter-clockwise
to position 1.
The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the
SmartKey.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered

(Y page 75). Locking the vehicle (mechanical key)
If
the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the trunk lid/tailgate.
X Press the locking button (Y page 85).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually, if necessary

(Y page 85). 86
Doors
Opening/closing

X
Close the driver's door.
X Take the mechanical key out of the
SmartKey (Y page 80).
X Insert the mechanical key into the lock of
the driver's door as far as it will go. 1
Locking
X Turn the mechanical key clockwise as far
as it will go to position 1.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the trunk lid/
tailgate are locked.
X Insert the mechanical key into the
SmartKey. Trunk/cargo compartment
Important safety notes
G
WARNING
Ensure that the trunk/tailgate is closed when
the engine is running and the vehicle is in
motion.
Among other dangers, deadly carbon
monoxide (CO) may enter the vehicle interior
and cause unconsciousness and even death. 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. A child'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 carry heavy or hard objects in the
passenger compartment or trunk/cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
! The trunk lid/tailgate swings upwards
and to the rear when opened. Therefore, Trunk/cargo compartment
87
Opening/closing Z

make sure that there is sufficient clearance
above and behind the trunk lid/tailgate.
Do
not leave the SmartKey in the trunk/cargo
compartment. You could otherwise lock
yourself out.
Sedan without trunk lid remote closing
feature: the trunk lid can be:
R opened and closed manually from outside
R opened automatically from outside
R opened automatically from inside
R locked separately
R opened with the emergency release button
R unlocked with the mechanical key
Sedan with trunk lid remote closing
feature: the trunk lid can be:
R opened and closed manually from outside
R opened and closed automatically from
outside
R opened and closed automatically from
inside
R locked separately
R opened with the emergency release button
R unlocked with the mechanical key
Wagon: you can:
R open and close the tailgate manually from
outside
R open the tailgate manually from inside
(Wagon with a folding bench seat)
R open and close the tailgate automatically
from outside
R open and close the tailgate automatically
from inside
R limit the opening angle of the tailgate
R unlock the tailgate using the mechanical
key Opening/closing from outside
Opening Handle (example: Sedan)
X
Press the % button on the SmartKey.
X Sedan: pull handle :.
X Raise the trunk lid.
Wagon: if you pull handle : and keep it in
this position, you can open the tailgate
manually. If you release the handle, the
tailgate opens automatically.
Closing G
WARNING
To prevent possible personal injury, always
keep hands and fingers away from the cargo
compartment opening when closing the
tailgate. Be especially careful when small
children are around. Recess (example: Sedan)88
Trunk/cargo compartment
Opening/closing

X
Pull the trunk lid/tailgate down using
recess :.
X Wagon: allow the tailgate to drop into the
lock.
X If necessary, lock the vehicle with
the & button on the SmartKey
(Y page 79) or with KEYLESS-GO
(Y page 79).
i If a KEYLESS-GO key is detected in the
trunk/cargo compartment, the trunk lid/
tailgate will not lock.
Sedan: the trunk lid then opens again. Opening/closing automatically from
outside
Important safety notes G
WARNING
Ensure that the trunk lid/tailgate is closed
when the engine is running and the vehicle is
in motion. Among other dangers, deadly
carbon monoxide (CO) may enter the vehicle
interior and cause unconsciousness and even
death.
! 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.
Opening You can open the trunk lid/tailgate
automatically using the SmartKey or the
handle in the trunk lid/tailgate.
X
Press and hold the F
button on the key
until the trunk lid/tailgate opens.
or
X If the trunk lid/tailgate is unlocked, pull the
handle

of the trunk lid/tailgate and let it go
again immediately ( Y page 88). Closing G
WARNING
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured. To prevent possible personal injury,
always

keep hands and fingers away from the
trunk opening when closing the trunk lid. Be
especially careful when small children are
around. To stop the closing procedure, do one
of the following:
R Press button F on the SmartKey.
R Press the remote trunk opening/closing
switch (on the driver's door).
R Press the trunk closing switch.
R Press the KEYLESS-GO locking/closing
switch.
R Pull the trunk lid handle.
Even with the SmartKey removed from the
starter switch or the SmartKey with KEYLESS-
GO removed from the vehicle, the remote
trunk opening/closing switch can be
operated. Therefore, do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. Closing button and locking button (example:
Sedan)
:
Closing button
; Locking button
Sedan: on vehicles with the trunk lid remote
closing feature, you can close the trunk lid
automatically. On vehicles with trunk lid
remote

closing feature and KEYLESS-GO, you Trunk/cargo compartment
89
Opening/closing Z