light MERCEDES-BENZ E-CLASS CABRIOLET 2012 Service Manual

i
AIRCAP cannot be extended or retracted
if the vehicle speed exceeds 160 km/h.
Retracting 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 indicator lamps on the AIRCAP but-
ton go out. Wind deflector ;retracts.
The head restraints on the rea rbench seats
and AIRCAP draught stop =move to the
lower position simultaneously.
i If there are passengers wearing seat belts
in the rear compartment, the head
restraints on the rear bench seats and the
AIRCAP draught stop remain in the upper
position.
Retracting the head restraints on the
rear bench seats from the driver's seat To improve the rear view, you can retract the
head restraints on the rear bench seats indi-
vidually (Y page 111). The wind deflector
remains in its current position. Fitting/removing the AIRCAP draught
stop
Preparation You will need a
4mmAllen key to fit/remove
the AIRCAP draught stop.
Before fitting or removing the AIRCAP draught
stop:
X Turn the key to position 2in the ignition
lock.
X Open the folding roof fully (Y page 93).
X Extend the head restraints in the rear com-
partment fully (Y page 111). Removing
Bolts on the AIRCAP draught stop between the
head restraints in the rear compartment
X
Use the 4mmAllen key to tur nthe bolts on
both sides anti-clockwise by about 90° and
loosen them.
X Pull the bolts out of the brackets on the
head restraints. X
Pull the AIRCAP draught stop out of the
guide rails in the direction of the arrow.
Make sure that you pull the AIRCAP draught
stop forwards slightly when doing so. Soft top (Cabriolet)
101Opening and closing Z

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
a short time.
! 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 Resonance noises can occur in addition
to the usual airflow noises when the sliding
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open a side window slightly to reduce or
eliminate these noises.
In the following section, the term "sliding sun-
roof" refers to the panorama sliding sunroof. Operating the panorama sliding sun-
roof
Opening and closing Overhead control panel
:
To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 3switch in the corre-
sponding direction. i
If you press the 3switch beyond the
point of resistance, an automatic opening/
closing process is started in the corre-
sponding direction. You can stop automatic
operationb y pressing again.
Rain-closing feature If the key is in position
0in the ignition lock
or if it is removed, the panorama sliding sun-
roof closes automatically:
R if it starts to rain
R at extreme outside temperatures
R after six hours
R if there is a malfunction in the powe rsupply
The panorama sliding sunroo fremains raised
at the rear in order to allow ventilation of the
vehicle interior.
i If the panorama sliding sunroof is obstruc-
ted while being closed by the rain-closing
feature, it opens again slightly. The rain-
closing feature is then deactivated.
The panorama sliding sunroof does not close
if:
R it is raised at the rear.
R it is blocked.
R no rain is falling on the area of the wind-
screen being monitored by the rain sensor,
e.g. because the vehicle is under a bridge
or in a carport. Operating the roller sunblind for the
panorama sliding sunroof
Important safety notes G
WARNING
Make sure that nobody can become trapped
as you open or close the roller sunblind.
The roller sunblind shields the vehicle interior
from sunlight. The roller sunblind can only be
opened and closed when the panorama slid-
ing sunroof is closed. 104
Sliding sunroof (Coupé)Opening and closing

Problems with the sliding sunroof
G
WARNING
You could be severely or even fatally injured when closing the sliding sunroof with increased
closing force or if the anti-entrapment feature is deactivated. Make sure that nobody can become
trapped when closing the sliding sunroof.
In the following section, the term "sliding sunroof" refers to the panorama sliding sunroof. Problem Possible causes/consequences and
M Solutions
The sliding sunroof can-
not be closed and you
cannot see the cause. If the sliding sunroof is obstructed during closing and reopens
again slightly:
X
Immediately after the sliding sunroof blocks, pull the 3
switch in the overhead control panel down to the point of resist-
ance and hold it until the sliding sunroof is closed.
The sliding sunroof is closed with increased force.
If the sliding sunroof is obstructed again during closing and
reopens again slightly:
X Immediately after the sliding sunroof blocks, pull the 3
switch in the overhead control panel down to the point of resist-
ance and hold it until the sliding sunroof is closed.
The sliding sunroof is closed without the anti-entrapment fea-
ture. 106
Sliding sunroof (Coupé)Opening and closing

Useful information
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variations are pos-
sible. Note that your vehicle may not be
equipped with all of the functions descri-
bed. This is also the case for systems and
functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page 23). Correct driver's seat position
X
Observe the safety guidelines on seat
adjustment (Y page 109).
X Make sure that seat =is adjusted prop-
erly.
Manual and electrical seat adjustment
(Y page 110)
Electrical seat adjustment (Y page 110)
When adjusting the seat, make sure that:
R you are as far away from the driver's airbag
as possible.
R you are sitting in a normal upright position. R
you can fasten the seat belt properly.
R you have moved the backrest to an almost
vertical position.
R you have set the seat angle so that your
thighs are gently supported.
R you can depress the pedals properly.
X Check whether the head restraint is adjus-
ted properly.
When doing so, make sure that you have
adjusted the head restraint so that the back
of your head is supported at eye level by
the centre of the head restraint.
X Observe the safety guidelines on steering
wheel adjustment (Y page 115).
X Make sure that steering wheel :is adjus-
ted properly.
Adjusting the steering wheel manually
(Y page 116)
Adjusting the steering wheel electrically
(Y page 116)
When adjusting the steering wheel, make
sure that:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the instru-
ment cluster clearly.
X Observe the safety guidelines for seat belts
(Y page 49).
X Check whether you have fastened seat
belt ;properly (Y page 50).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your shoul-
der
R be routed in your pelvic area across the hip
joints
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors in such a way
that you have a good view of road and traf-
fic conditions (Y page 117).
X Vehicles with a memory function: save
the seat, steering wheel and exterior mirror 108
Correct driver's seat positionSeats, steering wheel and mirrors

heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see "Interior care".
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating mate-
rials, e.g. blankets, coats, bags, seat cov-
ers, child seats or booster seats.
! Make sure that there are no objects in the
footwell or behind the seats when moving
the seat back. There is a risk that the seats
and/or the objects could be damaged.
i The head restraints in the front seats are
fitted with the NECK-PRO system
(Y page 47). For this reason, it is not pos-
sible to remove the head restraints from
the front seats.
For more information, contact a qualified
specialist workshop.
i Further related subjects:
R Through-loading feature in the rear
bench seat (Coupé) (folding the rear
bench seat forward) (Y page 288)Adjusting the seats manually and
electrically
:
Backrest angle
; Seat height =
Seat cushion angle
? Seat fore-and-aft adjustment
Seat fore-and-aft adjustment:
X Lift handle ?and slide the seat forwards
or backwards.
X Release lever ?again.
Make sure that you hear the seat engage in
position.
Seat cushion angle:
X Turn handwheel =in the desired direction. Adjusting the seats electrically
:
Head restraint height
; Seat cushion angle
= Seat height
? Seat fore-and-aft adjustment
A Backrest angle
i Vehicles with memory function: if PRE-
SAFE ®
has been triggered, the front-
passenger seat will be moved to a better
position if it was previously in an unfavour-
able position.
i You can store the seat settings using the
memory function (Y page 120).
i Vehicles with the through-loading feature
and memory function: if you fold down a
rear seat backrest, the respective front
seat is moved forwards slightly if neces-
sary. 110
SeatsSeats, steering wheel and mirrors

Driver's and front-passenge
rseat
The three red indicato rlamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3to level 2after approximately
eigh tminutes.
The system automatically switches down
fro ml evel 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
Problems with the seat heating The seat heating has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X Switch off electrical consumers that you do
not need, such as the rear window heating
or interior lighting. Switching the seat ventilation on/off
Switching on/off The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
X
Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desired ventilation level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i Coupé: you can open the side windows
and the panorama sliding sunroof using the
"Convenience opening" feature
(Y page 90). The seat ventilation of the
driver's seat automatically switches to the
highest level.
Cabriolet: you can open the soft top and the
rear side windows with the key
(Y page 94). The seat ventilation of the
driver's seat automatically switches to the
highest level. 114
SeatsSeats, steering wheel and mirrors

Problems with the seat ventilation
The seat ventilation has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X Switch off electrical consumers that you do
not need, such as the rear window heating
or interior lighting. AIRSCARF (Cabriolet)
G
WARNING
Very hot air can flow out of the AIRSCARF
vents in the head restraints when AIRSCARF
is in operation. This can cause burns on unpro-
tected skin near the AIRSCARF vents. Lower
the heating output in good time, when neces-
sary. The AIRSCARF function warms the head and
neck area of vehicle occupants with warm air.
The warm air flows out of the holes in the head
restraints.
The three red indicator lamps in the button
indicate the heating level you have selected.
X Make sure that the key is in position 2in
the ignition lock.
X To switch on: press the:button.
Three red indicator lamps in the button light
up. The blower starts up after a preheating
phase of seven seconds. X
Press button :repeatedly until the
desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
You can use the adjustable fins on the head
restraint to adjust the height of the current of
air blown out according to your height.
Make sure that there are no objects covering
the intake grille on the back of the driver's
seat backrest.
i The blower continues running for seven
seconds to cool down the heating ele-
ments.
i If the battery voltage is too low, the AIR-
SCARF may switch off. Steering wheel
Important safety notes
G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving, or
driving without the steering wheel adjustment
feature locked could cause the driver to lose
control of the vehicle.
The electrical steering wheel adjustment fea-
ture can be operated at any time. Therefore,
do not leave children unattended in the vehi-
cle, 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. Steering wheel
115Seats, steering wheel and mirrors Z

X
Make sure that the key is in position 1or
2 in the ignition lock.
X Press button :for the left-hand exterior
mirror or button ;for the right-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button =as long
as the indicator lamp is lit.
X Press adjustment button =up, down, or
to the left or right until you have adjusted
the exterior mirror to the correct position.
You should have a good overview of traffic
conditions.
The convex exterior mirrors provide a larger
field of vision.
The exterior mirrors are automatically heated
if the rear window heating is switched on and
the outside temperature is low.
Folding the exterior mirrors in or out
electrically X
Make sure that the key is in position 1or
2 in the ignition lock.
X Briefly press button :.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate. Setting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the "Fold in mir-
rors when locking" function in the on-board
computer (Y
page 247).
X Make sure that the key is in position 1in
the ignition lock.
X Briefly press button :.
Folding the exterior mirrors in or out
automatically If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y
page 247):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the out-
side.
R the exterior mirrors fold out again automat-
ically as soon as you unlock the vehicle and
then open the driver's or front-passenger
door.
i If the exterior mirrors have been folded in
manually, they do not fold out.
Exterior mirror pushed out of position If an exterior mirror has been pushed out of
position, proceed as follows:
X
Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manually.
X Vehicles with electrically folding exte-
rior mirrors: press and hold mirror-folding
button :until you hear a click and then
the mirrors engage in position
(Y page 118).
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Y page 117). 118
MirrorsSeats, steering wheel and mirrors

Automatic anti-dazzle mirrors
G
WARNING
If inciden tlight fro mheadlamps is prevented
from striking the sensor in the rear-view mir-
ror, for instance, by luggage piled too high in
the vehicle, the mirror's automatic anti-dazzle
function will not operate.
Incident light could then blind you. This may
distract you from the traffic conditions and,
as a result, you may cause an accident.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
dazzle mode if the following conditions are
met simultaneously:
R the ignition is switched on and
R inciden tlight fro mheadlamps strikes the
sensor in the rear-view mirror.
If reverse gear is engaged, the mirrors do not
go into anti-dazzle mode. Parking position for the exterior mir-
ror on the front-passenger side
Setting and storing the parking position Using reverse gear
You can set the front-passenger side exterior
mirror so that you can see the rear wheel on
that side as soon as you engage reverse gear.
You can store this position. X
Make sure that the vehicle is stationary and
that the key is in position 2in the ignition
lock.
X Press button ;for the exterior mirror on
the front-passenger side.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
X Use adjustment button =to adjust the
exterior mirror to a position that allows you
to see the rear wheel and the kerb.
The parking position is stored.
i If you shift the transmission to another
position, the exterior mirror on the front-
passenger side returns to the driving posi-
tion.
Using the memory button
You can set the front-passenger side exterior
mirror so that you can see the rear wheel on
that side as soon as you engage reverse gear.
This setting can be stored using memory but-
ton M?.
X Make sure that the key is in position 2in
the ignition lock.
X With the exterior mirror on the front-
passenger side activated, use adjustment
button =to adjust the exterior mirror. In
the exterior mirror, the rear wheel and the
kerb should be visible.
X Press memory button M? and one of the
arrows on adjustment button =within
three seconds.
The parking position is stored if the exterior
mirror does not move.
X If the mirror moves out of position, repeat
the steps. Mirrors
119Seats, steering wheel and mirrors Z

Useful information
............................122
Exterior lighting ................................ 122
Interior lighting ................................. 131
Replacing bulbs ................................. 132
Windscreen wipers ...........................135 121Lights and windscreen wipers