2009 MERCEDES-BENZ E-CLASS COUPE change key battery

Opening and closing
Key
The key centrally locks/unlocks:
R the doors
R the boot lid
R the fuel filler flap G
Risk of accident
If children are left unsupervised in the vehicle,
they could:
R open adoor from the inside at any time,
even if it has been locked
R start the vehicle using akey which has been
left in the vehicle
R release the parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Always take the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. 0046
0037 Locksthe vehicle
0047 0054 Unlocks the boot lid
008A 0036 Unlocks the vehicle
0088 Battery chec klamp
When unlocking, the turn signals flash once.
When locking, they flash three times.
The vehicle relock sautomatically if you do not
open adoor or the boot lid within 40 seconds
of unlocking the vehicle. The time until it locks
is approximately 40 seconds. KEYLESS GO* You can start
,lock or unlock the vehicle using
the KEYLESS GO key. To do this, you only
need carry the key with you. When you touch
the surface of the sensor sonthe vehicle's
door handles, KEYLESS GO establishes a
radio connection between the vehicle and the
key.
The distanc etothe door handle from which
you wish to lock or unlock the vehicle must
not be greater than 1m.
When starting the engin eand whilst driving,
KEYLESS GO also checks whether avalid key
is in the vehicle by periodically establishing
radio contact. X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor sur-
face 0046.
If you pull the boot lid handle, only the boot
of the vehicle is unlocked.
i If the vehicle has been parked for along
time, you must pull the door handle to acti-
vate KEYLESS GO.
Individua lsettings You can change the setting of the locking
system in such
away that only the driver's
door and the fuel filler flap are unlocked. This
could be useful if you frequently travel on your
own.
X To change the setting: press the0036
and 0037 button ssimultaneously for 62
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approximately six seconds until th
ebattery
check lamp flashes twice.
The ke ynow function sasfollows:
X To unlock th edriver's door: pressthe
0036 buttononce.
X To unlock centrally: pressthe 0036 but-
to nt wice.
X To lock centrally: pressthe 0037 button.
The KEYLESS GO* function is changed as fol-
lows:
X To unlock th edriver's door: touch the
inner surface of th edoor handle on the
driver' sdoor.
X To unlock centrally: touch theinner sur-
fac eoft hefront-passenger door handle.
X To lock centrally: touch sensor sur-
face 0046on on eofthedoor handles.
Restoring th efactor ysettings X
Press the 0036and0037 buttons simulta-
neously for approximately six seconds until
th eb attery check lamp flashes twice.
Additional information R
Convenience opening (Y page 96)
R Convenience closin g(Ypage 97)
R Opening and closin ginanemergency
(Y page 249) Opening th
edoor sfromt heinside
You can open adoor from th einside eve nifit
has been locked. X
Pull door handle 0047.
If th edoor is locked, lockin gknob 0046pops
up. The door is unlocked and can be
opened.
i When adoor is opened, th eside window
on that side open sslightly. When th edoor
is closed, th eside window closes again.
! The side windows will no topen/close if
th eb attery is discharged or if th eside win-
dows have ice dup. It will then no tbepos-
sible to close th edoor .Don otattempt to
force th edoor to close. You could other-
wise damag ethe door or th eside window. Automatic lockin
gfeature
The vehicle will loc kautomaticall yoncey ou
have pulled away.
You can also switch th eautomatic locking
function on and off usin gthe on-board com-
puter (Y page 120).
i The vehicle is locke dautomaticall ywhen
th ei gnition is switched on and th ewheels
begin to turn. Ther eisariskofb einglocked
out when th evehicle is bein gpushe dor
tested on adynamometer. Opening and closing
63Controls
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X
Turn the key to position 0in the ignition
lock or remove it.
X To switch on: press the004Dbutton.
The indicator lamp above the 004Dbutton
lights up.
X To deactivate: press the004Dbutton.
The indicator lamp above the 004Dbutton
goes out.
i The residual heat automatically switches
off after around 30 minutes or if:
R the ignition is switched on
R the battery voltage drops Sliding sunroof (Coupé)
General notes
G
Risk of injury
Make sure that nobody can become trapped
when closing the sliding sunroof. If there is a
risk of entrapment, release the switch and
push it briefly in any direction to stop the slid-
ing sunroof. G
Risk of injury
Children could injure themselves if they oper-
ate the sliding sunroof.
Never leave children unsupervised in the vehi-
cle. Always take the key with you when leaving
the vehicle, even if you are only leaving it for
as hort time. G
Risk of injury
The glass in the panorama sunroof could
break in an accident .Ifyou are not wearing a
seat belt, there is arisk that you could be
thrown through the opening in the event of the
vehicle overturning. Therefore, alway swear a
seat belt to reduce the risk of injuries.
! Only open the panorama sliding sunroof
if it is free of snow and ice. Otherwise, mal-
functions may occur. Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
i When the sliding sunroof is open, apart
from the normal airflow noises, resonance
noises may also occur. They are caused by
minor pressure fluctuation sinthe vehicle
interior. Change the position of the sliding
sunroof or open aside window slightly to
reduce or eliminate these noises.
i Related topics:
R convenienc eopening from out-
side(Y page 96) or inside the vehicle
(Y page 156)
R convenienc eclosing from out-
side(Y page 97) or inside vehicle
(Y page 156)
R automatic closing of the sliding sunroof
(PRE-SAFE)( Ypage 40) Panoram
asliding sunroof* Overhead control panel
0046
To open
0047 To close/lower
008A To raise
X Turn the key to position 1or 2in the ignition
lock.
X Pull or push the switch in the corresponding
direction. 158
Sliding sunroof (Coupé)Controls
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Problem Possible causes/consequences and
0050
0050Solutions 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 an extended period.
X
Pull the door handle and then turn the key to position 2in the
ignition lock. KEYLESS-GO* is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver's door handle from
close range and press the 0036/0037button.
X Have the key checked at aqualified specialist workshop. There is interference from
apowerful source of radio waves.
X Lock/unlock the vehicle as described in the "Opening and clos-
ing in an emergency" section (Y page 249).You have lost
akey. X
Have the key cancelled at aMercedes-Benz Service Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. The key cannot be
turned in the ignition
lock. The key has been in position
0for aconsiderable time.
X Remove the key and reinsert it into the ignition lock.
X Check the starter battery and charge it if necessary
(Y page 273).
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating* or inte-
rior lighting, and try to turn the key again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 273).
or
X Jump-start the vehicle (Y page 276).
or
X Consult aqualified specialist workshop. 248
TroubleshootingPractical advice
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