
At a glance
 11Reference
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9Instrument cluster12
12Ignition lock59
13Buttons
* on the steering wheel14Horn: the entire surface
15Adjusting the steering wheel53
17Releasing the hood223
18Opening the luggage compartment lid
*
8
Turn signals63
High beams, headlamp 
flasher102
Roadside parking lamps
*102
Computer75
Settings and information about the 
vehicle78
Instrument lighting103
10
Windshield wipers64
Rain sensor
*64
11Switching the ignition on/off and 
starting/stopping the engine59
Telephone
*:
>Press: accepting and ending a 
call, starting dialing
* selected 
phone numbers. Redialing if 
no phone number is selected
>Press longer: redialing
Volume
Changing radio station
Selecting music track
Scrolling through phone book and 
lists with stored phone numbers
Individually programmable54 
Individually programmable54 
16
Cruise control*66
Active cruise control
*67 

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gage compartment lid has not been inadvert-
ently unlocked.<
Convertible: convenient loading*
Within a range of approx. 13ft/4m from the vehi-
cle you can use the remote control to half close 
the retractable hardtop when it is open to ease 
loading of the cargo bay.
1.Briefly press the   button and, within one 
second, press again until the retractable 
hardtop stops in an intermediate position. 
The luggage compartment lid opens 
slightly.
2.Open the luggage compartment lid, press 
the cargo bay partition upward and stow the 
cargo in the cargo bay.
3.Press down the cargo bay partition until it 
engages on both sides and close the lug-
gage compartment lid.
4.Press the   button for a longer period to 
fold the retractable hardtop back in.
Setting confirmation signals
You can program the vehicle to confirm when it 
has been locked or unlocked.
1.Open the start menu.
2.Press the controller to open the   menu.
3.Select "Settings" and press the controller.
4.Select "Vehicle / Tires" and press the con-
troller.
5.If necessary, move the highlight marker to 
the uppermost field. Turn the controller 
until "Door locks" is selected and press the 
controller.
6.Select "Confirmation" and press the con-
troller.7.Select the desired signal.
8.Press the controller.
 The signal is activated.
Malfunctions
The remote control may malfunction due to 
local radio waves. If this occurs, unlock and lock 
the car at the door lock with the integrated key.
Convertible: If hardtop movement via the 
remote control is interrupted briefly, the move-
ment will be completed more quickly if you keep 
the corresponding button pressed continu-
ously.
If the car can no longer be locked with a remote 
control, the battery in the remote control is dis-
charged. Use the remote control on an 
extended trip to recharge the battery, refer to 
page28. The remote control for convenient 
access
* contains a battery that may have to be 
changed, refer to page38.
For US owners only
The transmitter and receiver units comply with 
part 15 of the FCC/Federal Communications 
Commission regulations. Operation is gov-
erned 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 following two 
conditions:
>This device must not cause harmful inter-
ference, and
>This device must accept any interference 
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 equipment.< 

Opening and closing
32
Opening and closing:
Using the door lock
You can set the way in which the car is 
unlocked, refer to page29.
Convenient operation
You can use the door lock to operate the win-
dows and the coupe's glass roof
* or the con-
vertible's retractable hardtop.
Hold the key in the position for unlocking or 
locking.
During each closing procedure, and when 
opening the retractable hardtop, watch 
the process and ensure that no one becomes 
trapped. Releasing the key stops the opera-
tion.<
Manual operation
In the event of an electrical malfunction, you can 
lock and unlock the driver's door by turning the 
integrated key to the corresponding limit posi-
tions in the door lock.
Opening and closing:
From inside
This button serves to unlock or lock doors and 
the luggage compartment lid, but does not acti-
vate the anti-theft system. The fuel filler door 
remains unlocked.
Automatic locking
You can also set the situations in which the car 
locks:
iDrive, for operating principle refer to page16.
1.Press the   button.
This opens the start menu.
2.Press the controller to open the   menu.
3.Select "Settings" and press the controller.
4.Select "Vehicle / Tires" and press the con-
troller.
5.If necessary, move the highlight marker to 
the uppermost field. Turn the controller 
until "Door locks" is selected and press the 
controller.
6.Select "Central locking" and press the con-
troller. 

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able hardtop, the system is checking whether a 
remote control is inside the vehicle. Please 
repeat the opening or closing procedure, if nec-
essary.<
Unlocking
Grasp the handle on the driver's or front pas-
senger's door completely, arrow 1. This corre-
sponds to pressing the  button.
Locking
Touch the surface, arrow 2, with your finger for 
approx. 1 second. This corresponds to pressing 
the button.
To preserve the battery, please make 
sure that the ignition and all electrical 
consumers are switched off before locking the 
vehicle.<
Coupe: convenient closure
For convenient closure, keep your finger on the 
surface, arrow 2.
Convertible: window and hardtop 
operation
With the ignition at radio readiness or beyond, 
you can open and close the windows and, if the 
vehicle is at a standstill, the retractable hardtop 
when a remote control is located inside the 
vehicle.
Unlocking the luggage compartment 
lid separately
Press the button on the outside of the luggage 
compartment lid. This corresponds to pressing 
the button.If the vehicle detects that a remote con-
trol has been accidentally left inside the 
locked vehicle's cargo bay after the luggage 
compartment lid is closed, the lid will reopen. 
The hazard warning flashers flash and an 
acoustic signal
* sounds.<
Switching on radio readiness
Radio readiness is switched on by pressing the 
start/stop button, refer to page59.
Do not depress the brake or the clutch, 
otherwise the engine will start.<
Starting the engine
You can start the engine or switch on the igni-
tion when a remote control is inside the vehicle. 
It is not necessary to insert a remote control into 
the ignition switch, refer to page59.
Switching off the engine in cars with 
automatic transmission
The engine can only be switched off when the 
selector lever is in position P, refer to page60.
T o  s w i t c h  t h e  e n g i n e  o f f  w h e n  t h e  s e l e c t o r  l e v e r  
is in position N, the remote control must be in 
the ignition switch.
Before driving a vehicle with automatic 
transmission into a car wash
1.Insert remote control into ignition switch.
2.Depress the brake.
3.Move the selector lever to position N.
4.Switch off the engine.
The vehicle can roll.
Malfunction
Convenient access may malfunction due to 
local radio waves. If this happens, open or close 
the vehicle via the buttons on the remote con-
trol or using the integrated key. To start the 
engine afterward, insert the remote control into 
the ignition switch. 

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Driving
Ignition lock
Insert the remote control into the 
ignition lock
Insert the remote control all the way into the 
ignition lock.
>Radio readiness is switched on.
Individual electrical consumers can operate.
Convenient access*
If the car is equipped with convenient access, 
only insert the remote control into the ignition 
lock under special circumstances, refer to 
page36.
Removing the remote control from the 
ignition lock
Do not forcibly pull the remote control out 
of the ignition lock as this may cause 
damage.<
Before removing the remote control, push it all 
the way in to release the locking mechanism.
>The ignition is switched off if it was on.
Automatic transmission
You cannot take out the remote control unless 
the selector lever is in the P position: interlock.
Start/stop button
Pressing the start/stop button switches radio 
readiness or the ignition on or off.
The engine is started when you press the 
start/stop button and depress the clutch if 
the car has manual transmission, or the brake if 
the car has automatic transmission.<
Radio readiness
Individual electrical consumers can operate. 
The time and the outside temperature are dis-
played in the instrument cluster.
Radio readiness is switched off automatically:
>When the remote control is removed from 
the ignition lock
>In cars with convenient access
*, by touch-
ing the surface above the door lock, refer to 
Locking on page37
Ignition on
All electrical consumers can operate. The 
odometer and trip odometer are displayed in 
the instrument cluster.
When the engine is off, please switch off 
the ignition and any unnecessary electri-
cal consumers in order to preserve the bat-
tery.<
Radio readiness and ignition off
All indicator and warning lamps as well as dis-
plays in the instrument cluster go out. 

Driving
60
Starting the engine
Do not run the engine in closed rooms, 
otherwise the inhalation of toxic exhaust 
gases can cause unconsciousness and death. 
The exhaust gases contain carbon monoxide, 
an odorless and colorless, but highly toxic gas. 
Never leave an unattended vehicle with the 
engine running, otherwise such a vehicle repre-
sents a potential safety hazard. 
Before leaving the car with the engine running, 
place the transmission in idle or move the 
selector lever to position P and forcefully apply 
the parking brake to prevent the car from mov-
ing.<
Do not wait for the engine to warm up while the 
vehicle remains stationary. Start driving right 
away, but at moderate engine speeds.
The engine is started when you press the 
start/stop button and depress the clutch if 
the car has manual transmission, or the brake if 
the car has automatic transmission. Do not 
depress either the clutch or the brake until you 
are ready to start the engine.<
Avoid frequent starting in quick succes-
sion as well as repeated start attempts in 
which the engine does not start. Otherwise, the 
fuel is not burned or incompletely burned and 
there is a danger of overheating and damaging 
the catalytic converter.<
Manual transmission
Remote control in the ignition lock or, with con-
venient access, inside the vehicle, refer to 
page36.
1.Depress the brake.
2.Depress the clutch and shift to idle position.
3.Press the start/stop button.The starter operates automatically for a certain 
time, and stops automatically as soon as the 
engine has started.
Automatic transmission
Remote control in the ignition lock or, with con-
venient access, inside the vehicle, refer to 
page36.
1.Depress the brake.
2.Move the selector lever to position P.
3.Press the start/stop button.
The starter operates automatically for a certain 
time, and stops automatically as soon as the 
engine has started.
Switching off the engine
Always take the remote control with you 
when you leave the vehicle. 
When parking, apply the parking brake force-
fully, otherwise the vehicle could begin to roll.<
Manual transmission
1.With the car at a standstill, press the start/
stop button.
2.Shift into first gear or reverse.
3.Forcefully apply the parking brake.
4.Removing the remote control from the igni-
tion lock, refer to page59.
Automatic transmission
1.With the car at a standstill, move the selec-
tor lever to position P.
2.Press the start/stop button.
3.Forcefully apply the parking brake.
4.Removing the remote control from the igni-
tion lock, refer to page59.
Parking brake
The parking brake is primarily intended to pre-
vent the vehicle from rolling while parked; it 
brakes the rear wheels. 

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Instrument lighting
You can adjust the brightness of the instrument 
lighting only when the parking lamps or the low 
beams are switched on.
1.Push button 1 up or down repeatedly until 
the appropriate symbol appears in the dis-
play, accompanied by the brightness set-
ting and scale the word "SET".
2.Press button 2.
3.Push button 1 up or down to select the 
desired brightness level.
4.Press button 2 in the turn indicator lever.
The display again shows the outside tem-
perature and the time.
Interior lamps
The interior lamps, footwell lamps*, entry 
lamps
*, cargo bay lamp and courtesy lamps* 
are controlled automatically.
The LEDs for the courtesy lamps
 are set in the 
door handles and illuminate the ground in front 
of the doors.
To avoid draining the battery, all lamps 
inside the car are switched off about 8 minutes after the ignition is switched off, refer 
to Start/stop button on page59.<
Switching interior lamps on/off 
manually
Interior lamps, front and rear*:
To switch on and off, press the button.
To switch off the interior lamps, footwell 
lamps
*, entry lamps* and courtesy lamps* per-
manently, press the button for the front interior 
lamps for about 3 seconds.
Reading lamps
There are reading lamps at the front and rear*, 
next to the interior lamps. To switch on and off, 
press the button. 

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the system automatically switches back to 
outside air supply.
>Right-hand LED on, recirculated-air mode: 
the supply of outside air is permanently 
shut off. The system then recirculates the 
air currently within the vehicle.
If condensation starts to form on the 
inside window surfaces during operation 
in the recirculated-air mode, you should switch 
it off while also increasing the air flow rate as 
required. 
The recirculated-air mode should not be used 
over an extended period of time, otherwise the 
air quality inside the car will deteriorate contin-
uously.<
Via the button* on the steering wheel
You can switch quickly between the recircu-
lated-air mode and the previous mode using an 
individually programmable button
 on the steer-
ing wheel, refer to page11.
Residual heat
The heat stored in the engine is 
used to heat the passenger com-
partment, e.g. while stopped at a 
school to pick up a child.
The function can be switched on when the fol-
lowing conditions are met:
>Up to 15 minutes after the engine has been 
switched off
>While the engine is at operating tempera-
ture
>As long as battery voltage is sufficient
>At an outside temperature below 777/
256
The LED is lit when the function is on.
As of radio readiness, you can set the interior 
temperature, the air flow rate and the air distri-
bution.
Defrosting windows and removing 
condensation
Quickly removes ice and conden-
sation from the windshield and 
front side windows.
Switch on the cooling function as well.
Switching cooling function on/off
The cooling function cools and 
dehumidifies the incoming air 
before also reheating it as 
required, according to the temperature setting. 
Depending on the weather, the windshield may 
fog over briefly when the engine is started.
The cooling function is automatically switched 
on along with the AUTO program. The passen-
ger compartment can only be cooled while the 
engine is running.
Rear window defroster
The defroster is switched off auto-
matically after a certain time. 
Depending on your vehicle's 
equipment, the upper wires serve as an antenna 
and are not part of the rear window defroster.
Ventilation
1Use the knurled wheels to smoothly open 
and close the air vents
2Use the lever to change the direction of the 
airflow
3Knurled wheel for more or less cool air from 
the vents for the upper body area