2012 MERCEDES-BENZ E-CLASS CABRIOLET ignition

X
Turn the key to position 2in the ignition
lock (Y page 159).
X To extend or retract: briefly press but-
ton :.
The roller sunblind fully extends or fully
retracts. Ashtray
Front ashtray !
The stowage space under the ashtray is
not heat resistant .Before placing lit ciga-
rettes in the ashtray, make sure that the
ashtray is properly engaged. Otherwise, the
stowage space could be damaged. X
To open: slide cover :forwards until it
engages.
X To remove the insert: hold insert=by
the indentation at the sides and lift it
up ; and out. X
To refit the insert: press insert=into the
holder until it engages.
X To close: briefly press cover :at the
front.
The cover moves back.
i You can remove the ashtray insert and
use the resulting compartment for stow-
age.
Rear-compartment ashtray X
To open: pull cover ;out by its top edge.
X To remove the insert: press release but-
ton =and lift the insert up and out.
X To fit the insert: fit insert:from above
into the holder and press down into the
holder until it engages. Cigarette lighter
G
WARNING
Only hold the hot cigarette lighter by its knob.
Otherwise, you might burn yourself.
Make sure that children travelling in the vehi-
cle are not able to injure themselves on the
hot cigarette lighter or cause a fire with it. 294
FeaturesStowing and features

X
Turn the key to position 2in the ignition
lock (Y page 159).
X To open: slide cover :forwards until it
engages.
X Press in cigarette lighter ;.
Cigarette lighter ;will pop out automati-
cally when the heating element is red-hot.
X To close: briefly press cover :at the
front.
The cover moves back. 12
Vsockets
General notes X
Turn the key to position 1in the ignition
lock (Y page 159).
The sockets can be used for accessories with
a maximum draw of 180 W (15 A). Accesso-
ries include such items as lamps or chargers
for mobile phones.
If you use the sockets for long periods when
the engine is switched off ,the battery may
discharge.
i An emergency cut-offe nsures thatthe on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine. Socket in the front centre console
X
To open: slide cover :forwards until it
engages.
X Lift up the cover of socket ;.
X To close: briefly press cover :at the
front.
The cover moves back.
Socket in the rear-compartment centre
console X
Pull cover ;out by its top edge.
X Lift up the cover of socket :.
As ocket is fitted in the centre console in the
rear compartment in vehicles with an ashtray
and a cigarette lighter. Features
295Stowing and features Z

tions. However, the charging function and
aerial functio nare not available.
Operating the mobile phone You can operate the telephone using the
6 and~ buttons on the multifunction
steering wheel. You can operate other mobile
phone functions via the on-board computer
(Y page 238).
When you remove the key from the ignition
lock, the mobile phone stays switched on.
However, you can no longer use the hands-
free system.
If you have an active call and would like to
take the key out of the ignition lock, first
remove the mobile phone from the bracket.
i When using a bracket connected to the
mobile phone via Bluetooth ®
and you wish
to proceed with a call:
Switch to private mode before removing
the key from the ignitio nlock. Otherwise, it
may take up to 20 seconds, before the
mobile phone separates from the system.
Only then can the telephone call continue.
Information on the necessary steps for set-
ting up "private mode" can be found in the
separate mobile phone operating instruc-
tions.
i Not all mobile phones support "private
mode".
Mobile telephone bracket in the stow-
age space You can fold the pre-installed bracket up to
improve access to the stowage space
beneath it. Depending on the vehicle's equip-
ment, a USB connection and an AUX-IN con-
nection/Media Interface are fitted in the
stowage compartment.
X
To fold the bracket up: press button:.
X To fold the bracket down: press the
bracket down and allow it to engage. Garage door opener
Important safety notes The HomeLink
®
garage door opener integra-
ted in the rear-view mirror allows you to oper-
ate up to three different door and gate sys-
tems.
i The garage door opener is only available
for certain countries. Observe the legal
requirements for each individual country.
The HomeLink ®
garage door opener is
compatible with most European garage and
gate opener drives. More information on
HomeLink ®
and/or compatible products is
available from:
R at a qualified specialised workshop
R the HomeLink ®
hotline
(0) 08000 466 354 65 (free of charge) or
+49 (0) 6838 907 277 (charges apply)
R on the Internet at:
http://www.homelink.com
Programming Programming buttons
G
WARNING
Only press the button on the integrated
garage door opener if there are no persons or
objects present within the sweep of the
garage door. Persons could otherwise be
injured as the door moves. Features
297Stowing and features Z

Integrated garage door opener in the rear-view mir-
ror
Garage door remote control
Ais not part of
the integrated garage door opener.
X Before programming for the first time, clear
the memory of the integrated garage door
opener (Y page 299).
X Turn the key to position 2in the ignition
lock.
X Press and hold one of buttons ;to? on
the integrated garage door opener.
After a short time, indicator lamp :lights
up yellow.
i Indicator lamp :lights up yellow as soon
as button ;,=or? is programmed for
the first time. If the selected button has
already been programmed, indicator
lamp :will only lightu p yellow after ten
seconds have elapsed.
X Release button ;,=or?. Indicator
lamp :flashes yellow.
X Point garage door remote control A
towards buttons ;to? on the rear-view
mirror at a distance of 5to 20 cm.
i The required distance between remote
control Aand the integrated garage door
opener depends on the garage door drive
system. Several attempts may be required.
You should test every position for at least
25 seconds before trying another position. X
Press and hold button Bon remot econtrol
A until indicator lamp :lights up green.
If indicator lamp :lights up green or
flashes, then programming has been suc-
cessful.
X Release button Bof garage door drive
remote control A.
X If indicator lamp :lights up red: repeat
the programming procedure for the corre-
sponding button on the rear-view mirror.
When doing so, vary the distance between
remote control Aand the rear-view mirror.
i If the indicator lamp flashes green after
successful programming, the garage door
system is using a rolling code. After pro-
gramming, you must synchronise the
garage door opener integrated in the rear-
view mirror with the receiver of the garage
door system.
Synchronising the rolling code
Your vehicle must be within range of the
garage door or exterior gate drive. Make sure
that neither your vehicle nor any persons/
objects are present within the sweep of the
door or gate.
Observe the safety notes when performing
the rolling code synchronisation.
X Turn the key to position 2in the ignition
lock.
X Press the programming button of the door
or gate drive (see the door or gate drive
operating instructions, e.g. under "Pro-
gramming of additional remote controls").
i Usually, you now have 30seconds to ini-
tiate the next step.
X Press previously programmed button ;,
= or? of the integrated garage door
opener until the door closes.
The rolling code synchronisation is then
complete. 298
FeaturesStowing and features

Problems when programming
If you have problems when programming the
integrated garage door opener, please note
the following:
R Check the transmitter frequency of garage
door drive remote control A.This can usu-
ally be found on the back of the remote
control.
R Replace the batteries in garage door
remote control A.This increases the like-
lihood that garage door remote control A
will transmit a strong and precise signal to
the integrated garage door opener in the
rear-view mirror.
R When programming, hold remote control
A at varying distances and angles from the
button which you are programming. Try var-
ious angles at a distance between 5and
30 cm or at the same angle but at varying
distances.
R If there is another remote control for the
same garage door drive, perform the pro-
gramming steps again using this remote
control. Before performing these steps,
make sure that new batteries have been
fitted in garage door drive remote control
A.
R Note that some remote controls transmit
only for a limited period (the indicator lamp
on the remote control goes out). Press but-
ton Bon remote control Aagain before
transmission ends.
R Align the aerial cable of the garage door
opener unit. This can improve signal recep-
tion/transmission.
Opening or closing the garage door Once programmed, the integrated garage
door opener will assume the function of the
garage door system's remote control. Please
also read the operating instructions for the
garage door system. X
Turn the key to position 2in the ignition
lock.
X Press button ;,=or? which you have
programmed to operate the garage door.
Garage door system with a fixed code: indi-
cator lamp :lights up green.
Garage door system with a rolling code:
indicator lamp :flashes green.
i The transmitter will transmit a signal for
as long as the button is pressed. The trans-
mission is halted after a maximum of ten
seconds and indicator lamp :lights up
yellow. Press button ;,=or? again if
necessary.
Clearing the memory X
Turn the key to position 2in the ignition
lock.
X Press buttons ;and ?.
The indicator lamp lights up yellow.
X Press and hold buttons ;and ?until the
indicator lamp turns green.
i Make sure that you clear the memory of
the integrated garage door opener before
selling the vehicle.
Frequencies Europe
Country Radio type approval num-
ber
Frequency range (MHz)
AD (Andorra) 20 July
MHz: 27, 30, 40, 433, 868
AT (Austria) Article 6 of Directive
1999/5/EC R&TTE 18 May
05
MHz: 27, 40, 433, 868
BE (Belgium) Article 6 of Directive
1999/5/EC R&TTE 18 May
05
MHz: 27, 40, 433, 868 Features
299Stowing and features Z

X
Open the bonnet (Y page 307).
X With both hands, lift the bonnet up in the
centre A.The bonnet is open wide enough
when both lids of bonnet lifter ;no longer
move.
If you push the lids back, you will notice a
resistance.
X Release bonnet :.
X Check whether the lids of bonnet lifter ;
are resting on housings =(arrow).
X The lids of bonnet lifter ; are resting
on the housings: close bonnet:
(Y page 308).
or
X The lids of bonnet lifter ; are not rest-
ing on the housings: first lift up bon-
net :on left-hand side ?and then on
right-hand side B. Lift up bonnet :until
the respective lid of bonnet lifter ;no lon-
ger moves.
The lids of bonnet lifter ;must rest on
housings =(arrow).
X Close bonnet :(Ypage 308).
If you cannot close the bonnet :or if the
L symbol appears in the multifunction
display, repeat the steps.
Opening the bonnet G
WARNING
Do not pull the release lever while the vehicle
is in motion. If you do so, the bonnet may open
up and block your view. G
WARNING
There is a risk of injury if the bonnet is open,
even if the engine is not running.
Some engine components can become very
hot.
To avoid the risk of burns, only touch those
components described in the Owner's Manual
and observe the relevant safety notes. G
WARNING
The radiator fan between the radiator and the
engine can start automatically, even if the key
has been removed from the ignition lock. For
this reason, you must not reach into the fan
rotation area. You could otherwise be injured.
Vehicles with apetrol engine: The elec-
tronic ignitio nsystem uses high voltage. For
this reason, you mus tnever touch ignition
system components (ignition coil, ignition
cables, spark plug connectors or test socket)
while:
R the engine is running
R the engine is being started
R the ignition is switched on and the engine
is being cranked by hand
You could otherwise suffer an electric shock
and be seriously or even fatally injured.
Vehicles with adiesel engine: The elec-
tronic injection control uses high voltage. For
this reason, you must never touch injection
system components while:
R the engine is running
R the engine is being started
R the ignition is switched on
You could otherwise suffer an electric shock
and be seriously or even fatally injured. G
WARNING
The windscreen wipers and wiper linkage
could be set in motion.
When the bonnet is open, you or others could
be injured by the wiper linkage.
Make sure that the windscreen wipers are
switched off. Remove the key or make sure Engine compartment
307Maintenance and care
Z

tha
tno ignition position has been selected
with KEYLESS-GO. All indicator lamps must be
off in the instrument panel.
! Make sure that the windscreen wipers are
not folded away from the windscreen. Oth-
erwise, you could damage the windscreen
wipers or the bonnet. X
Make sure that the windscreen wipers are
switched off.
X Pull release lever :on the bonnet.
The bonnet is released. X
Reach into the gap, pull bonnet catch han-
dle ;up and lift the bonnet.
If you lift the bonnet by approximately
40 cm, the bonnet is opened and held open
automatically by the gas-filled strut.
Closing the bonnet G
WARNING
Make sure that nobody can become trapped
as you close the bonnet. X
Lower the bonnet and let it fall from a
height of approximately 20 cm.
X Check that the bonnet has engaged prop-
erly.
If the bonnet can be raised slightly, it is not
properly engaged. Open it again and close
it with a little more force. Radiator
Vehicles with adiesel engine: do not cover
the radiator .Do not use thermal mats, insect
protection covers or anything similar. Doing
so can cause the Onboard Diagnostics Sys-
tem to display inaccurate values. Some of
these values are legally required and must
always be correct. Engine oil
General notes Depending on your driving style, the vehicle
consumes up to 0.8 l of oil per 1,000 km. The
oil consumption may be higher than this when
the vehicle is new or if you frequently drive at
high engine speeds.
Depending on the engine, the oil dipstick may
be installed at a different location.
When checking the oil level:
R park the vehicle on a level surface.
R the engine should be switched off for
approximately five minutes if the engine is
at normal operating temperature.
R if the engine is not at normal operating
temperature, e.g. if the engine was only
started briefly: wait about 30 minutes
before carrying out the measurement. 308
Engine compartmentMaintenance and care

Other service products
Checking the coolant level G
WARNING
The cooling system is pressurised. Therefore,
only unscrew the cap once the engine has
cooled down. The coolant temperature gauge
must display less than 70 †.Otherwise, you
could be scalded if hot coolant escapes. X
Park the vehicle on a level surface.
Only check the coolant level if the vehicle
is on a level surface and the engine has
cooled down.
X Turn the key to position 2in the ignition
lock (Y page 159).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Y page 159).
X Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
70 †.
X Turn the key to position 0(Y page 159) in
the ignition lock.
X Slowly tur ncap : half a turn anti-clock-
wise to allow excess pressure to escape.
X Turn cap :further anti-clockwise and
remove it.
If the coolant is at the level of marker bar
= in the fille rneck when cold, there is
enough coolant in coolant expansion
tank ;.
If the coolant level is approximately
1.5 cm above marker bar =in the filler neckw
hen warm, there is enough coolant
in coolant expansion tank ;.
X If necessary, top up with coolant that has
been tested and approved by Mercedes-
Benz.
X Replace cap :and turn it clockwise as far
as it will go.
For further information on coolant, see
(Y page 376).
Topping up the windscreen washer sys-
tem/headlampc leaning system G
WARNING
Windscreen washer fluid/antifreeze is highly
flammable. Avoid spilling windscreen washer
fluid/antifreeze on hot engine components as
it can ignite and burn. Severe burns could be
the result. X
To open: pull cap:upwards by the tab.
X Top up with the premixed washer fluid.
X To close: press cap :onto the filler neck
until it engages.
The washer fluid reservoir is used for both the
windscreen washer syste mand the headlamp
cleaning system.
Further informatio nonwindscreen washer
fluid/antifreeze (Y page 377).310
Engine compartmentMaintenance and care