start stop button MERCEDES-BENZ E-CLASS CABRIOLET 2012 User Guide

i
The side windows close if you keep on
pressing the soft-top switch. Opening and closing with the key
Important safety notes G
WARNING
Make sure nobody can be trapped or injured
by moving parts such as the soft-top linkage
or soft-top compartment cover when opening
or closing the soft top.
If there is a risk of entrapment, immediately
release the %or& button on the key.
The soft-top mechanism stops immediately.
Opening and closing The key must be close to the driver's door
handle.
X Point the tip of the key at the driver's door
handle.
X To open: press and hold the %button
on the key until the soft top is fully opened.
The Top in operation message appears
in the multifunction display .The seat ven-
tilation is switched on. The rear side win-
dows open.
X To close: press and hold the &button
on the key until the soft top is fully closed.
The Top in operation message appears
in the multifunction display. The soft top
and the side windows close. Closing the soft top manually
Important safety notes G
WARNING
Remove wristwatches and any jewellery such
as rings or bracelets. You could otherwise get
caught, injured and damage the vehicle.
Always grip the soft top at the indicated grip-
ping points when closing the soft top man-
ually. You could otherwise be injured. If the soft top cannot be closed automatically,
check the following points:
R
Is the boot separator engaged
(Y page 99)?
R Are the head restraints on the rear bench
seats extended?
R Is the boot lid closed?
R Is the on-board voltage sufficient?
Start the engine if necessary.
If automatic operation still does not work, the
soft top can be closed manually.
To carry out this work, you will need the assis-
tance of another person.
i Closing the soft top manually is a com-
plex, technically demanding process which
requires a great deal of force. Only close
the soft top manually in extreme emergen-
cies. Preferably, contact a qualified spe-
cialist workshop.
Closing the soft top X
Apply the parking brake.
X Open the side windows.
X Lower the head restraints automatically or
manually, see the Digital Owner's Manual,
keyword "Head restraint".
X Remove the key from the ignition lock.
X Open the boot.
X Take the two straps out of the vehicle tool
kit (Y page 323).
X Take the Allen key out of the Owner's Man-
ual wallet and keep it with you. Example: left trim in the boot94
Soft top (Cabriolet)Opening and closing

X
When installing the draught stop, use lat-
eral brackets :.
Observe the manufacturer's installation
instructions. AIRCAP
Important safety notes G
WARNING
When extending and retracting AIRCAP, make
sure that no one can become trapped. If there
is a risk of entrapment, press the button again
to retract AIRCAP again.
With AIRCAP, four people can travel comfort-
ably with the soft top open. AIRCAP reduces
the draught for the driver and passengers in
both the front and the rear compartment in a
vehicle with the soft top down.
You can open or close AIRCAP either when
the vehicle is stationary or when driving up to
a speed of 160 km/h.
AIRCAP has the following components:
R a wind deflector between the windscreen
and the soft top
R an AIRCAP draught stop between the two
head restraints on the rear bench seat
Extending AIRCAP X
Turn the key to position 2in the ignition
lock.
X Open the cover on the lower centre con-
sole.
X Press AIRCAP button :.
The two indicato rlamps on the AIRCAP but-
to nl ight up. Wind deflector
;extends. The head restraints on the rear bench seats
and AIRCAP draught stop
=move to the
centre position simultaneously.
When a seat belt in the rear compartment is
fastened, the head restraints on the rear
bench seats and AIRCAP draught stop =
move to the upper position.
i If you park your vehicle with the soft top
down and remove the key, the wind deflec-
tor and the head restraints in the rear com-
partment retract automatically. When you
restart your engine after having been
parked, the wind deflector and the head
restraints in the rear compartment extend
again automatically. 100
Soft top (Cabriolet)Opening and closing

Adjusting the steering wheel man-
ually :
Release lever
; To adjust the steering wheel height
= To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever :down completely.
The steering column is unlocked.
X Adjus tthe steering wheel to the desired
position.
X Push release lever :up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
wheel up or down or try to move it in the
fore-and-aft direction. Adjusting the steering wheel electri-
cally
:
To adjust the steering wheel height
; To adjust the steering wheel position
(fore-and-aft adjustment) i
Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 116)
R Storing settings (Y page 120) EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
Make sure that nobody can become trapped
when you activate the EASY-ENTRY/EXIT fea-
ture.
If there is a risk of someone becoming trap-
ped, stop the adjustment procedure. To halt
the procedure:
R press the steering column adjustment but-
ton.
R briefly press one of the memory function
position buttons.
The steering column stops moving immedi-
ately.
Do not keep the memory function position
button pressed down, otherwise the memory
function will start and the steering wheel and
seat will begin to move.
Never leave children unsupervised in the vehi-
cle. They could open the driver's door and
thereby unintentionally activate the EASY-
ENTRY feature and become trapped.
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (Y page 247). 116
Steering wheelSeats, steering wheel and mirrors

Position of the steering wheel when the
EASY-ENTRY/EXIT featurei s activeThe steering wheel tilts upwards if you:
R
remove the key from the ignition lock
R open the driver's door and KEYLESS-GO is
in position 1
R open the driver's door and the key is in
position 0or 1in the ignition lock
i The steering wheel only moves upwards if
it has not already reached the upper end
stop.
Position of the steering wheel for driv-
ing The steering wheel is moved to the previously
set position if:
R the driver's door is closed and
R you insert the key into the ignition lock
or
R you press the Start/Stop button once on
vehicles with KEYLESS-GO.
If you close the driver's door with the key
inserted into the ignition lock, the steering
wheel is automatically moved to the previ-
ously set position.
The last position of the steering wheel is
stored when you switch off the ignition or
when you store the setting with the memory
function (Y page 120).
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
will move upwards when the driver's door is
opened. This occurs irrespective of the posi-
tion of the key in the ignition lock. This makes
it easier to exit the vehicle and rescue the
occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY fea-
ture is activated in the on-board computer. Mirrors
Rear-view mirror
X
Anti-dazzle mode: flick anti-dazzle
switch :forwards or back. Exterior mirrors
Adjusting the exterior mirrors G
WARNING
The exterior mirrors reduce the size of the
image. Objects are actually closer than they
appear. You could misjudge the distance from
vehicles driving behind and cause an acci-
dent, e.g. when changin glane. For this rea-
son, make sure of the actual distance from the
vehicle driving behind by glancing ove ryour
shoulder. Mirrors
117Seats, steering wheel and mirrors Z

4
° Continuous wipe, slow
5 ¯ Continuous wipe, fast
B í Single wipe/ îTo wipe the
windscree nusing washer fluid
X Turn the key to position 1or 2in the ignition
lock.
X Turn the combination switch to the corre-
sponding position.
In the ÄorÅ position, the appropriate
wiping frequency is set automatically accord-
ing to the intensity of the rain. In the Å
position, the rain sensor is more sensitive
than in the Äposition, causing the wind-
screen wipers to wipe more frequently. Replacing the wiper blades
Important safety notes G
WARNING
The wiper arms could start moving and cause
an injury if you leave the windscreen wipers
switched on.
Remove the key from the ignition lock before
replacing the wiper blades.
! Never open the bonnet if a windscreen
wiper arm has been folded away from the
windscreen.
Never fold a windscreen wiper arm without
a wiper blade back onto the windscreen.
Hold the windscreen wiper arm firmly when
you change the wiper blade.Ify ou release
the windscreen wiper arm without a wiper
blade and it falls onto the windscreen, the
windscreen may be damaged by the force
of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at aqualified
specialist workshop.
! To avoid damaging the windscree nwiper
blades, make sure that you touch only the
wiper arm of the windscreen wiper. Replacing the wiper blades Removing the wiper blades
X
Remove the key from the ignition lock or
tur nthe key to position 0(KEYLESS-GO).
X Fold the wiper arm away from the wind-
screen until it engages. X
Firmly press release knob :and pull the
wiper blade upwards from the wiper arm in
the direction of the arrow.
Fitting the wiper blades
X Position the new wiper blade in the retainer
on the wiper arm and slide it into place in
the opposite direction to the arrow.
The wiper blade audibly engages.
X Make sure that wiper blade is seated cor-
rectly.
X Fold the wiper arm back onto the wind-
screen. Problems with the windscreen wipers
The windscreen wipers are obstructed X
For safety reasons, you should remove the
key from the ignition lock.
or
X Switch off the engine using the Start/Stop
button and open the driver's door.
X Remove the cause of the obstruction.
X Switch the windscreen wipers back on. 136
Windscreen wipersLights and windscreen wipers

G
WARNING
If the parking brake has not been fully
released when driving, the parking brake can:
R overheat and cause a fire
R lose its hold function.
There is a risk of fire and an accident. Release
the parking brake fully before driving off.
! Warm up the engine quickly. Do not use
the engine's full performance until it has
reached operating temperature.
Only set the automatic transmission to the
respective drive positions when the vehicle
is stationary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery
roads. Otherwise, you could damage the
drive train. Keyp
ositions
Key g
To remove the key
1 Power supply for some consumers, such
as the windscreen wipers
2 Ignitio n(power supply for all consumers)
and drive position
3 To start the engine
i If the key does not belong to the vehicle,
it can still be turned in the ignition lock.
However, the ignition will not be switched
on. The engine cannot be started. KEYLESS-GO General notes
R
Do not keep the KEYLESS-GO key together
with:
-electronic devices, e.g. a mobile phone
or another key
- metallic objects, e.g. coins or metal film
R Do not keep the KEYLESS-GO key together
in metallic objects, e.g. a metal case.
This can affect the functionality of KEY-
LESS-GO.
Vehicles with KEYLESS-GO are equipped with
a key featuring an integrated KEYLESS-GO
start function and a detachable Start/Stop
button.
The Start/Stop button must be inserted in the
ignition lock and the key must be in the vehi-
cle.
Pressing the Start/Stop button several times
in succession corresponds to the different
key positions in the ignition lock .This is only
the case if you are not depressing the brake
pedal.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately.
Key positions with KEYLESS-GO Driving
159Driving and parking Z

Switching on the power supply
X Position 0: if Start/Stop button :has not
yet been pressed, this corresponds to the
key being removed from the ignition.
X Position 1: press Start/Stop button :.
The power supply is switched on. You can
now activate the windscreen wipers, for
example.
i If you then open the driver's door when in
this position, the power supply is deactiva-
ted.
Switching on the ignition
X Position 2(ignition): press Start/Stop but-
ton :twice.
The ignition is switched on.
i The ignition is switched off if:
R the driver's door is open and
R you press Start/Stop button :once
when in this position.
Removing the Start/Stop button X
Remove Start/Stop button :from ignition
lock ;.
You can remove the Start/Stop button from
the ignition lock and start the vehicle as nor-
mal using the key.
i You do not have to remove the Start/Stop
button from the ignition lock when you
leave the vehicle.
i When you insert Start/Stop button :
into ignition lock ;, the system needs
approximately two seconds recognition time. You can then use Start/Stop but-
ton
:. Starting the engine
Important safety notes G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
! Do not depress the accelerator pedal
when starting the engine.
General notes i
Vehicles with apetrol engine: the cat-
alytic converter is preheated for up to
30seconds after a cold start .The sound of
the engine may change during this time.
Manual transmission X
Depress the brake pedal and keep it
depressed.
X Fully depress the clutch pedal.
X Shift to neutral N.
i You can only start the engine when the
clutch pedal is fully depressed.
Automatic transmission X
Shift the transmission to position P.
The transmission position displayint he
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
Starting procedure with the key i
To start the engine using the key instead
of KEYLESS-GO, pull the Start/Stop button
out of the ignition lock. 160
DrivingDriving and parking

X
To start a petrol engine: turn the key to
position 3in the ignition lock
(Y page 159) and release it as soo nas the
engine is running.
X To start adiesel engine: turn the key to
position 2in the ignition lock
(Y page 159).
The % preglow indicator lamp in the
instrumen tcluster lights up.
X When the %erlischt, den Schlüssel auf
Stellung 3(Ypage 159) and release it as
soon as the engine is running.
i You can start the engine without preglow
if the engine is warm.
i Vehicles with automatic transmis-
sion: you can also use the touch-star tfunc-
tion .To do this, turn the key to position
3(Y page 159) and release it immediately.
The engine then starts automatically.
Using KEYLESS-GO to startt he engineG
WARNING
You rvehicle can be started using a valid KEY-
LESS-GO key. For this reason, children should
never be left unsupervised in the vehicle.
Always take the key with you when leaving the
vehicle, even if you are only leaving it for a
short time.
i The Start/Stop button can be used to
start the vehicle manually without inserting
the key into the ignition lock. The key must
be in the vehicle and the Start/Stop button
must be inserted in the ignition lock. This
mode for starting the engine operates inde-
pendently of the ECO start/stop automatic
engine start function. X
Depress the brake pedal and keep it
depressed.
X To star tapetrol engine: press the Start/
Stop button (Y page 159) once.
The engine starts.
X To start adiesel engine: press the Start/
Stop button (Y page 159) once.
Preglow is activated and the engine starts. Pulling away
Manual transmission !
Change gear in good time and avoid spin-
ning the wheels. Otherwise, you could dam-
age the vehicle.
X Depress the brake pedal and keep it
depressed.
X Fully depress the clutch pedal.
X Shift to either first gear or reverse gear R.
X Release the parking brake (Y page 178).
X Release the brake pedal.
X Slowly release the clutch pedal and gently
depress the accelerato rpedal.
i Follow the shift recommendations in the
multifunction display for an economical
driving style (Y page 167).
i The vehicle locks centrally once you have
pulled away. The locking knobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic lock-
ing feature (Y page 245).
Automatic transmission G
WARNING
If the engine speed is above the idling speed
and you engage transmission position Dor
R, the vehicle could pull away suddenly. There
is a risk of an accident. Driving
161Driving and parking
Z

When engaging transmission position
Dor R,
always firmly depress the brake pedal and do
not simultaneously accelerate.
X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position Dor R.
X Release the parking brake (Y page 178).
X Release the brake pedal.
X Carefully depress the accelerator pedal.
i It is only possible to shift the transmission
from position Pto the desired position if
you depress the brake pedal. Only then is
the selector lever lock released.
i The vehicle locks centrally once you have
pulled away .The locking knobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic lock-
ing feature (Y page 245).
i Upshifts take place at higher engine
speeds after a cold start. This helps the
catalytic converter to reach its operating
temperature more quickly.
Hill starta ssist G
WARNING
After a short time, hill start assist will no lon-
ger brake your vehicle and it could roll away.
There is a risk of an accident and injury.
Therefore, quickly move your foot from the
brake pedal to the accelerator pedal. Never
leave the vehicle when it is held by hill start
assist.
Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient.
It holds the vehicle for a short time after you
have removed your foot from the brake pedal.
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal
and depress it before the vehicle begins to
roll. X
Take your foot off the brake pedal.
The vehicle is then held for about a second.
X Pull away.
Hill start assist will not function if:
R you are pulling away on a level road or a
downhill gradient.
R on vehicles with automatic transmission,
the transmission is in position N.
R the parking brake is applied.
R ESP ®
is malfunctioning. ECO start/stop function
Important safety notes G
WARNING
If the engine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving.
There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes When the
¤symbol is shown in green in
the multifunction display, the ECO start/stop
function switches the engine off automati-
cally.
When pulling away again, the engine starts
automatically. The ECO start/stop function
thereby helps you to reduce the fuel con-
sumption and emissions of your vehicle.
Every time you switch on the engine using the
key or the Start/Stop button, the ECO start/
stop function is activated.
If the ECO start/stop function has been man-
ually deactivated (Y page 164) or a malfunc-
tion has caused the system to be deactivated,
the ¤ symbol is not displayed. 162
DrivingDriving and parking

Automatic engine switch-off
Method of operation
The ECO start/stop function is operational
and the
¤symbol is displayed in green in
the multifunction display, if:
R the indicator lamp in th eECO butto nis lit
green.
R the vehicle is stationary.
R the outside temperature is within the com-
fort range.
R the engine is at normal operating temper-
ature.
R the set temperature for the vehicle interior
has been reached.
R the battery is sufficiently charged.
R the system detects that the windscreen is
not misted up when the air-conditioning
system is switched on.
R the bonnet is closed.
R the driver's door is closed and the driver's
seat belt is fastened.
If not all conditions for automatic engine
switch-off are fulfilled, the ¤symbol is
shown in yellow.
i All vehicle systems remain active during
automatic engine switch-off.
i The engine can be switched off automat-
ically a maximum of four times (first stop
and three subsequent stops) in succession.
The ¤ symbol is shown in yellow in the
multifunction display after the engine has
been started automatically for the fourth
time. When the ¤symbol is shown in
green in the multifunction display, auto-
matic engine switch-off is againp ossible.
i During automatic engine switch-off, the
climate control system only operates at a
reduced capacity. If you require full climate
control capacity, the ECO start/stop func-
tion can be deactivated by pressing the
ECO button (Y page 164). Vehicles with manual transmission
The ECO start/stop function switches off the
engine automatically at low speeds.
X
Brake the vehicle until it comes to a stand-
still.
X Shift to neutral N(follow gearshift instruc-
tion :to shift to neutral N, if necessary).
X Release the clutch pedal.
The engine is switched off automatically.
Vehicles with automatic transmission
The ECO start/stop function switches the
engine off automatically if you:
R stop the vehicle in transmission position
D or Nand
R continue to depress the brake pedal
i You can also activate the HOLD function
when the vehicle is stationary if the engine
has been switched off automatically. It is
then not necessary to continue applying
the brakes during the automatic stop
phase. When you depress the accelerator
pedal, the engine starts automatically and
the braking effect of the HOLD function is
deactivated. Depress the accelerator pedal
gently, as the engine must be started first.
i If you shift the transmission from Rto D,
the ECO start/stop function is available
again once the ¤symbol reappears in
green in the multifunction display. Driving
163Driving and parking Z