
At a glance
This overview of buttons, switches and
displays is intended to serve as a source
of orientation in your vehicle's operating
environment. The section will also assist
you in becoming acquainted with the
control concepts and options available
for operating the various systems. 

At a glance
 11Reference
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
7Buttons on the steering wheel
Portable phone:
>Press briefly:
Accept call or terminate call
as well as dial if an entry has been 
selected from "A - Z", "Top  8", "Redial", 
"Received calls" or "Missed calls"
>Press longer: redial
Volume 
Voice command system
Fast forward/reverse
>Radio 
Press briefly: change radio station 
Press longer: manual tuning or auto-
matic station-search function scan
>CD 
Press briefly: select track
Press longer: fast forward/reverse
>Portable phone
Press briefly: select entry in "A - Z", 
"Top 8", "Redial", "Received calls" or 
"Missed calls"
Individually programmable49
Individually programmable498Instrument cluster12
10Ignition lock54
11Horn: the entire surface
14Releasing the engine hood170
15Opening the luggage compartment 
lid30
16Head-Up Display83 
9
Windshield wipers61
Rain sensor61
12
Steering wheel heater49
Steering wheel adjustment48
13
Cruise control63
17
Parking lamps85
Low beams85
Automatic headlamp 
control85
Adaptive Head Light86
18
Instrument lighting87
Front fog lamps86 

Controls
 27Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
>Luggage compartment lid
>Fuel filler door.
The central locking system can be oper-
ated from the outside
>via the remote control
>via the door lock
and from inside via the button for the cen-
tral locking system.
If operated from the inside, the fuel filler 
door and the compartment in the front 
center console are not locked, refer to 
page 29.
The anti-theft system is automatically acti-
vated whenever you activate the central 
locking system from outside the vehicle. 
It prevents the doors from being unlocked 
using the safety lock buttons or door han-
dles. The alarm system is armed/disarmed 
at the same time.
In the event of an accident, the central 
locking system unlocks automatically. The 
hazard warning flashers and interior lamps 
also switch on.
Opening and closing: from 
outside 
Using the remote control 
When you lock/unlock the vehicle, you 
simultaneously activate/deactivate the 
anti-theft system, arm/disarm the alarm 
system, and switch the interior lamps on/
off.
Protect the remote control against 
unauthorized use by handing over 
only the spare key, for example when using 
hotel valet parking.<
You can find more detailed information on 
the alarm system on page 32.
Because any persons or animals left 
unattended in a parked vehicle could 
lock the doors from the inside, you should 
always keep the remote control with you; 
this precaution ensures that you will remain 
able to unlock the vehicle from the outside 
at all times.<
Unlocking 
Use the   button to unlock the vehicle 
depending on the setting:
Control Center, for principle details, refer to 
page 16: 
1.Open the   menu
2.Select "Vehicle settings" and press the 
controller
3.Select "Door locks" and press the con-
troller
4.Select "Central locking" and press the 
controller
5.Select "Unlock button" and press the 
controller
6.Select a menu item:
>"All doors"
Press the   button once to unlock 
the entire vehicle
>"Driver's door only"
Press the   button once to unlock 
only the driver's door and the fuel 
filler door.
Press the button twice to unlock the 
entire vehicle
7.Press the controller.
Depending on which key you have used to 
open the vehicle, the last adjustment is 
applied.
Convenience opening mode 
Press the   button once briefly and then 
keep it pressed:
>Coupe: the windows are opened, the 
glass roof is raised, and the sliding 
panel moves back approx. 2 in/5 cm
>Convertible: the windows and the con-
vertible top are opened. 

Opening and closing
28
Locking and securing 
Press the   button.
Switching on interior lamps 
Press the   button if the vehicle is 
locked.
You can also use this function to locate 
your vehicle in parking garages etc.
Panic mode* 
By pressing and holding the   button for 
more than approx. two seconds, you can 
trigger the alarm system in response to any 
impending danger.
To switch off the alarm: press any of the 
buttons.
Opening luggage compartment lid 
Press the   button:
The luggage compartment lid opens, 
regardless of whether it was previously 
locked or unlocked.
A previously locked luggage com-
partment lid is also locked after clos-
ing.
Coupe: the luggage compartment lid 
swings to the rear and upwards when 
opened. Make sure there is sufficient free 
space.<
Setting confirmation signals 
You can have unlocking or locking the vehi-
cle confirmed.
Control Center, for principle details, refer to 
page 16:
1.Open the   menu
2.Select "Vehicle settings" and press the 
controller
3.Select "Door locks" and press the con-
troller
4.Select "Confirmation" and press the 
controller
5.Select the desired signal6.Press the controller.
 The signals are switched on.
Malfunctions 
Local radio waves can disrupt the function 
of the remote control.
Should the remote control fail to operate 
owing to interference of this kind, you can 
respond by using the master key to unlock 
your vehicle at one of the doors.
If it is no longer possible to lock the vehicle 
via the remote control, the battery is dis-
charged. Use this remote control during an 
extended drive; this will recharge the bat-
tery, refer to page 26.
For US owners only 
The transmitter and receiver units comply 
with part 15 of the FCC/Federal Communi-
cation Commission regulations. Operation 
is governed by the following: 
FCC ID: LX8766S
LX8766E
LX8CAS
Compliance statement:
This device complies with part 15 of the 
FCC Rules. Operation is subject to the fol-
lowing two conditions:
>This device may not cause harmful 
interference, and
>this device must accept any interfer-
ence received, including interference 
that may cause undesired operation.
Any unauthorized modifications or 
changes to these devices could void 
the user's authority to operate this equip-
ment.< 

Opening and closing
38 Partial vacuums that occur at higher 
speeds in the passenger compart-
ment can make the convertible top flap. 
Use the ventilation controls to increase the 
air supply so that no partial vacuum occurs 
in the vehicle.<
To close the electrically activated side 
windows while the vehicle is being 
driven, always close the rear windows or 
all four windows simultaneously first, as 
otherwise the windows cannot close tightly 
at higher speeds.<
Prior to opening and closing
>Read carefully and comply with the 
safety precautions that appear above
>Ensure that the convertible top com-
partment floor in the luggage compart-
ment is folded down, refer to page 32, 
as otherwise the convertible top cannot 
be opened
>Ensure that the luggage compartment 
lid is closed.
Opening and closing 
As of ignition key position 1, with the vehi-
cle stationary:
So as not to place an excessive load 
on the battery, only operate the con-
vertible top with the engine running, if pos-
sible.
Before closing the convertible top, remove 
foreign bodies from the windshield frame, 
as these might inhibit closing of the con-
vertible top.<
1Closing
2Indicator lamp
3OpeningIf the opening or closing action is not 
completed, the luggage compartment 
lid cannot be opened.
When the button for top operation is 
pressed, the side windows move down-
wards slightly; the rear window is lowered 
completely.
If you hold the button pressed for longer 
than 2 seconds after completion of the 
opening or closing action and the LED has 
gone out, the side windows and rear win-
dow move once again.<
Indicator lamp
In the following situations, a message is 
displayed on the Control Display and an 
acoustic signal sounds in addition to the 
indicator lamp:
>During convertible top operation, the 
LED lights up green. It goes out as soon 
as the opening or closing action is com-
pleted
>If the indicator lamp flashes red when 
you release the button, the opening or 
closing action is not completed
>If the indicator lamp lights up red with 
the button pressed, the convertible top 
compartment floor is folded up or a fault 
has occurred. The convertible top can-
not be moved.
Interruption
The automatic sequence of movements is 
interrupted immediately if the button for top 
operation is released. The sequence can 
be continued in the desired direction using 
the button.
If the opening or closing action is 
interrupted for a longer period by 
releasing the button, the convertible top 
remains in that position for approx. 15 min-
utes before it slowly moves to a stable 
position. The sequence can be continued 
using the buttons.
Do not interrupt and continue the closing 
action several times in succession, as oth-
erwise the fully automatic top mechanism 
can be damaged. 

Controls
 39Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
If the opening or closing action is inter-
rupted, it can happen that the luggage 
compartment lid cannot be opened.<
Convenience operation using remote 
control and driver's door lock
Refer to pages 27 and 29.
Manual closing in the event of an 
electrical malfunction 
Only close the convertible top manu-
ally if absolutely necessary; never 
open it manually. The convertible top com-
partment lid cannot be locked in the event 
of an electrical malfunction and would 
open while the vehicle is being driven.
Improper handling can lead to damage.<
Before closing
1.Open the luggage compartment lid
2.Take the Allen wrench and screwdriver 
from the onboard tool kit
3.Lever out the two buttons in the lug-
gage compartment with the screwdriver 
and then pull firmly. The convertible top 
compartment lid is unlocked
4.Close the luggage compartment lid
5.Move the side windows downwards 
slightly; fully lower the rear window.
If the rear window cannot be opened 
using the switch, it must be lowered 
manually:Lever out the cover between the rear 
head restraints. To do so, place the 
screwdriver as close as possible to the 
lock element, as shown in the illustra-
tion.
Carefully insert the Allen wrench in the 
opening and turn firmly in the direction 
indicated by the arrow until the rear 
window is completely open.
Closing
Perform the following work steps with 
the assistance of a second person 
and with the doors open to prevent injury 
and damage to the convertible top.<
1.Push the cover 1 on the left and right of 
the side panel forwards. Reach into the 
resulting openings and raise the con-
vertible top compartment lid 2 as far as 
it will go 

Adjustments
44
Seat, mirror and steering 
wheel memory 
You can store and select three different 
adjustment settings for the driver's seat, 
exterior mirrors and steering wheel.
The adjustment of the lumbar support is not 
stored in the memory.
Storing 
Ignition key as of position 1:
1.Adjust the desired seat, exterior mirror 
and steering-wheel positions
2.Press 
MEMORY button:
The indicator lamp in the button lights 
up
3.Press the desired memory button 1, 2 
or 3:
The indicator lamp goes out.
Calling up automatically 
You have two possibilities:
>Calling up on unlocking the vehicle
>Calling up on opening the driver's door.
If you want to call up the last driver's seat, 
exterior mirror and steering wheel position, 
proceed as follows:
Control Center, for principle details, refer to 
page 16:
1.Open the   menu
2.Select "Vehicle settings" and press the 
controller
3.Select "Door locks" and press the con-
troller
4.Select "Central locking" and press the 
controller5.Select "Last seat pos." and press the 
controller
6.Select "After unlocking" or "After open-
ing door"
7.Press the controller.
Depending on which key you have used to 
open the vehicle, the last adjustment is 
applied.
When using this Key Memory feature, 
always make sure that the footwell 
behind the driver's seat is empty and unob-
structed. If you fail to do so, any persons or 
objects behind the seat could be injured or 
damaged by a rearward movement of the 
seat.<
Calling up manually 
Do not call up a position from the 
memory while the vehicle is moving. 
There is a risk of accident from unexpected 
movement of the seat or steering wheel.<
Convenience mode 
1.Open the driver's door after unlocking 
or turn the ignition key to position 1
2.Briefly press the desired memory but-
ton 1, 2 or 3.
The system immediately cancels the 
adjustment procedure when you press one 
of the seat adjustment switches or use one 
of the memory buttons.
The adjusting procedure for the steering 
wheel is immediately interrupted if you 
operate the switch for the steering wheel 
adjustment in any direction, refer to 
page 48. 

Controls
 49Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Automatic steering wheel 
adjustment 
In conjunction with seat, mirror and steer-
ing wheel memory.
The steering wheel automatically moves as 
high up and far forward as possible to ease 
driver entry and exit before then returning 
to the standard position or stored memory 
setting.
This automatic feature is governed by the 
driver's door and the ignition lock.
Steering wheel heater* 
In ignition key position 2, press the button.
The indicator lamp within the button lights 
up when the steering wheel heater is in 
operation.
Programming button function 
Depending on your vehicle's equipment, an 
individual function can be assigned to each 
of the two programmable function buttons 
in the steering wheel.
Control Center, for principle details, refer to 
page 16:
1.Open the   menu
2.Select "Vehicle settings" and press the 
controller
3.Select "Steering wheel buttons" and 
press the controller.A list with different functions is dis-
played:
>"Navigation" 
Voice instructions for the navigation 
system
>"Air recirculation on / off" 
In this mode, you can continuously 
block the supply of outside air, refer 
to AUC Automatic recirculated-air 
control on page 89
>"Mute on / off" 
Mutes the audio sources
>"Screen on / off" 
Switches the Control Display on/off
>"Short cut / Telephone"
Display/hide phone book
>"Next entertainment source"
Changes audio source
4.Select the desired function
5.Press the controller
6.Select button if necessary
.
7.Press the controller.
Depending on which key you have used to 
open the vehicle, the last adjustment is 
applied.
You can operate the selected function 
using the corresponding button.