180 Controls in detailGood visibilityFor information on windshield wiper opera-
tion, see “Windshield wipers” (
page 57).
Headlamp cleaning system
The button is located on the left side of the
dashboard.
1Headlamp washer button
Switch on the ignition (
page 39).
Press button1.
The headlamps are cleaned with a
high-pressure water jet.
For information on filling up the washer flu-
id reservoir, see “Windshield washer sys-
tem and headlamp cleaning system”
(
page 282).
Rear view mirrors
For information on setting the rear view
mirrors, see “Mirrors” (
page 47).
Auto-dimming rear view mirrors
The reflection brightness of the exterior
rear view mirror on the driver’s side and
the interior rear view mirror will respond
automatically to glare when
the ignition is switched on
and
incoming light from headlamps falls on
the sensor in the interior rear view mir-
ror.
The interior rear view mirror will not react if
reverse gear is engaged
the interior lighting is switched on
i
The headlamps will automatically be
cleaned when you have
switched on the headlamps
and
operated the windshield wipers with wind-
shield washer fluid fifteen times
When you switch off the ignition, the counter re-
sets.
183 Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the defrost-
er as soon as the rear window is clear. The
defroster is automatically deactivated af-
ter approximately 6 to 17 minutes of oper-
ation depending on the outside
temperature.
Switch on the ignition (
page 39).
Activating
Press button F on the automatic cli-
mate control panel (
page 185).
The indicator lamp on the button
comes on.Deactivating
Press button F (
page 185) once
more.
The indicator lamp on the button goes
out.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.
!
The rear window defroster cannot be
switched on when the retractable hardtop is
open. The indicator lamp will start flashing if the
hardtop is open.
Close the retractable hardtop.
The rear window defroster can then be switched
on.
!
If the rear window defroster switches off too
soon and the indicator lamp starts flashing, too
many electrical consumers are operating simul-
taneously and there is insufficient voltage in the
battery. The system responds automatically by
switching the rear window defroster off.
As soon as the battery has sufficient voltage, the
rear window defroster automatically switches
back on automatically.
195 Controls in detail
Automatic climate control
Deactivating
Press button T (
page 185).
The indicator lamp on the button goes
out.
The residual heat is automatically turned
off:
when the ignition is switched on
after about 30 minutes
if the battery voltage drops
Ventilated glove box
The glove box has its own air vents that al-
low for cooling ventilation when the auto-
matic climate control system is activated.Glove box1Thumbwheel
2Air ventOpening the air vent
Make sure the air vent in the glove box
is unobstructed.
Turn thumbwheel1 upwards.
Closing the air vent
Turn thumbwheel1 downwards.
i
You should keep air vent 2 closed when
outside temperatures are low.
196 Controls in detailPower windowsOpening and closing the windows
The windows are opened and closed elec-
trically. The switches for all the windows
are on the driver’s door. The switch for the
passenger side windows is on the passen-
ger door.
1Left door and rear side windows
2Right door and rear side windows
Switch on the ignition (
page 39).
Warning!
G
When closing the windows, make sure that
there is no danger of anyone being injured
by the closing procedure.
The closing of the door windows can be im-
mediately halted by releasing the switch or,
if the switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
The closing of the rear side windows can be
immediately halted by releasing the switch.
If a door window encounters an obstruction
that blocks its path in a circumstance where
you pulled the switch past the resistance
point and released it to close the door win-
dow, the automatic reversal function will
stop the door window and open it slightly.
If the door window encounters an obstruc-
tion that blocks its path in a circumstance
where you are closing the door window by
pulling and holding the switch, by pressing
and holding button ‹on the SmartKey,
by pressing and holding the lock button (ve-
hicles with KEYLESS-GO*) on an outside
door handle, by pressing and holding the re-
tractable hardtop switch, or by pressing and
holding button,on the climate control
panel, the automatic reversal function will
not operate.
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment can
cause an accident and/or serious personal
injury.i
Depending on the current position, the win-
dows may also open or close when the air recir-
culation button, on the control panel of the
automatic climate control (
page 191) is
pressed and held.
i
After switching off the ignition (
page 39)
or removing the SmartKey from the starter
switch, the windows can be operated
until you open a door
for at least 5 minutes if no door was opened
198 Controls in detailPower windowsFully closing the door windows
(Express-close)
Pull switch1 or2 past the resis-
tance point and release.
The corresponding door window closes
completely.
If the upward movement of the door win-
dow is blocked during the closing proce-
dure, the door window will stop and open
slightly.
Stopping windows
Press or pull the respective switch
again.Closing the windows with
KEYLESS-GO*
Press and hold lock button on an out-
side door handle (
page 64) until the
windows are closed.
Synchronizing power windows
The power window must be synchronized
each time
after the battery has been disconnect-
ed
if the power windows cannot be fully
opened (Express-open) or closed
(Express-close)
Synchronizing the power windows
Switch on the ignition (
page 39).
Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
1 second.
The power windows are synchronized.
Warning!
G
Driver’s door only:
If within 5 seconds the switch is again
pulled past the resistance point and re-
leased, the automatic reversal will not
operate.
Warning!
G
When closing the windows make sure that
there is no danger of anyone being harmed
by the closing procedure.
The windows will not automatically re-open
if blocked during convenience closing.
If potential danger exists, proceed as fol-
lows:
Release the lock button.
Pull on the door handle and hold firmly.
The side windows open for as long as
the door handle is held but the door not
opened.
199 Controls in detail
Retractable hardtop
Retractable hardtop
Opening and closing the retractable hardtop
For safety reasons, the retractable hardtop
can only be opened and closed when the
vehicle is standing still.Warning!
G
To prevent possible accidents, only drive the
vehicle with the retractable hardtop either
completely closed and locked, or fully low-
ered into its storage compartment.
If the retractable hardtop does not com-
pletely open or close, the roof hydraulics will
lose pressure and the retractable hardtop is
lowered
after approximately 7 minutes when the
ignition is switched on
after approximately 15 seconds when
the ignition is switched off
Shortly before the retractable hardtop is
lowered, a warning will sound and in the left
multifunction display you will see K, in
the right multifunction display you will see
the message
being lowered
.
Lock the retractable hardtop again before
driving any further (
page 202). Otherwise,
the unlocked hardtop could open while the
vehicle is in motion and cause you to lose
control of the vehicle. You or others could
be injured as a result.
Warning!
G
Before operating the retractable hardtop
switch, make sure there is no danger of any-
one being injured by the moving parts (re-
tractable roof, roof frame, and trunk lid) due
to inattention.
Hands must never be placed near the roof
frame, upper windshield area, hardtop, shelf
behind roll bars, or trunk lid while the re-
tractable hardtop is being raised or lowered.
Serious personal injury may occur.
If potential danger exists, release the re-
tractable hardtop switch. This immediately
interrupts the raising or lowering procedure.
You then can operate the retractable hard-
top switch to raise or lower the retractable
hardtop away from the danger zone.
201 Controls in detail
Retractable hardtop
Retractable hardtop switch1Opening
2Closing
Engage the parking brake (
page 54).
Close the luggage cover, see “Luggage
cover” (
page 205).
Close the trunk lid.
Switch on the ignition (
page 39).Opening
Pull up on the retractable hardtop
switch as indicated by arrow 1 until
the retractable hardtop is completely
lowered into its trunk storage compart-
ment.
The multifunction display will briefly
show the message K
in operation
.
Closing
Press down on the retractable hardtop
switch as indicated by arrow 2 until
the retractable hardtop is completely
closed and locked.
The multifunction display will briefly
show the message K
in operation
.Opening/closing with the SmartKey
i
Make sure the retractable hardtop is dry be-
fore you open it. Otherwise water may enter the
trunk interior.
Warning!
G
Before operating the retractable hardtop,
make sure there is no danger of anyone
being injured by the moving parts (retract-
able roof, roof frame, and trunk lid) due to in-
attention.
Hands must never be placed near the roof
frame, upper windshield area, hardtop, shelf
behind roll bars, or trunk lid while the re-
tractable hardtop is being raised or lowered.
Serious personal injury may occur.
If potential danger exists, release the re-
spective button on the SmartKey. This im-
mediately interrupts the raising or lowering
procedure. You then can press button Œ
or ‹to raise or lower the hardtop away
from the danger zone.
203 Controls in detail
Retractable hardtop
Unlocked status noticed when stopped
Switch on the ignition (
page 39).
To lock the retractable hardtop in its
fully closed position, press retractable
hardtop switch forward (
page 200).
or:
To lock the retractable hardtop in its
fully opened position, pull up on the re-
tractable hardtop switch (
page 200).Unlocked status noticed while driving
Stop the vehicle in a safe location or as
soon as it is safe to do so.
Leave the ignition switched on.
To lock the retractable hardtop in its
fully closed position, press retractable
hardtop switch forward (
page 200).
or:
To lock the retractable hardtop in its
fully opened position, pull up on the re-
tractable hardtop switch (
page 200).Problems when operating the
retractable hardtop
Several conditions may cause the retract-
able hardtop to not open, close, or lock
properly:
The luggage cover in the trunk is not
closed.
Close the luggage cover in the
trunk.
The trunk lid is open.
Close the trunk lid.
The battery voltage is too low.
Start engine and let run while open-
ing/closing the retractable hard-
top.
Warning!
G
Stop the vehicle in a safe location or as soon
as it is safe to do so and lock the hardtop be-
fore continuing to drive. You could other-
wise endanger yourself and others.