Page 198 of 442

198 Controls in detailPower windows
Turn SmartKey in the starter switch to
position1 or2 or press the KEY-
LESS-GO* start / stop button once or
twice.
Opening the windows
Press switch2 to 5 to the resistance
point.
The corresponding window will move
downwards until you release the
switch.
Closing the windows
Pull switch2 to 5 to the resistance
point.The corresponding window will move
upwards until you release the switch.
Fully opening the windows
(Express-open)
Press switch2 to 5 past the resis-
tance point and release.
The corresponding window opens com-
pletely.
Fully closing the windows
(Express-close)
Pull switch2 to 5 past the resis-
tance point and release.The corresponding window closes com-
pletely.
If the upward movement of the window is
blocked during the closing procedure, the
window will stop and open slightly.
iYou can still operate the windows when
the key is in starter switch position0 or
has been removed:
until the driver’s or front passenger
door has been opened
though for no more than five min-
utes
Warning
G
If you pull and hold the switch up when clos-
ing the window, and upward movement of
the window is blocked by some obstruction
including but not limited to arms, hands, fin-
gers, etc., the automatic reversal will not op-
erate.
Warning!
G
Driver’s door only:
If within five seconds switch is again pulled
past the resistance point and released, the
automatic reversal will not operate.
Page 202 of 442

202 Controls in detailSliding / pop-up roof*
Turn SmartKey in the starter switch to
position1 or2 or press the
KEYLESS-GO* start/stop button once
or twice.
Opening and closing the
sliding / pop-up roof
To open, close, raise or lower the
sliding/pop-up roof, move the switch
to resistance point in the required
direction1to4.
Release the switch when the roof has
reached the desired position.Fully opening (Express-open) and clos-
ing (Express-close) the
sliding/pop-up roof
To open, close, raise or lower the slid-
ing/pop-up roof, move the switch past
the resistance point in the required
direction1to4 and release.
The sliding/pop up roof opens or clos-
es completely.
Stopping the sliding / pop-up roof
Move the switch in any direction.Opening and closing the
sliding / pop-up roof with the SmartKey
The power windows (
page 199) will also
be opened or closed when you operate the
sliding / pop-up roof with the SmartKey.
Aim transmitter eye at the front door
handle.
iIf the movement of the sliding/pop-up
roof is blocked during the closing pro-
cedure, the roof will stop and reopen
slightly.
Warning!
G
Never operate the windows or
sliding / pop-up roof if there is the possibility
of anyone being harmed by the opening or
closing procedure.
In case the procedure causes potential dan-
ger, the procedure can be immediately halt-
ed by releasing the remote control button.
To reverse direction of movement
pressŒ for opening or ‹ for closing.
Page 205 of 442

205 Controls in detail
Panorama sliding / pop-up roof*
Panorama sliding / pop-up roof*
Opening and closing the roller sunblinds
The roller sunblinds can only be opened or
closed when the panorama
sliding / pop-up roof is closed. The front
and rear roller sunblind cannot be operat-
ed individually.Panorama sliding / pop-up roof switch1Open
2Close
Roller sunblinds switch, rear 1Open
2Close
Turn SmartKey in the starter switch to
position1 or2 or press the
KEYLESS-GO* start/stop button.
Opening and closing the roller sun-
blinds
To open or close the roller sunblinds,
move the panorama sliding/pop-up
roof switch or the rear roller sunblind
switch to resistance point in the re-
quired direction1 or2.
Warning!
G
When opening or closing the panorama
sliding / pop-up roof, make sure that there is
no danger of anyone being harmed by the
opening or closing procedure.
If the panorama sliding / pop-up roof is
closed with the convenience closing feature
and becomes blocked, it will not open auto-
matically. Should this occur, press the
Œbutton on the SmartKey and hold it
down; the panorama sliding / pop-up roof
opens again.
The panorama roof is made out of glass. In
the event of an accident, the glass may shat-
ter. This may result in an opening in the roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening also presents a potential for injury
for occupants wearing their seat belts prop-
erly as entire body parts or portions of them
may protrude from the passenger compart-
ment.
Page 207 of 442

207 Controls in detail
Panorama sliding / pop-up roof*
Turn SmartKey in the starter switch to
position1 or2 or press the
KEYLESS-GO* start/stop button once
or twice.Opening and closing the panorama
sliding/pop-up roof
To open or close the panorama
sliding/pop-up roof, move the switch
to resistance point in the required
direction1 to4.
Release the switch when the roof has
reached the desired position.
Fully opening the panorama
sliding / pop-up roof (Express-open)
Move the switch past the resistance
point in direction1 and release.
The panorama sliding / pop-up roof
opens completely.
Stopping the panorama
sliding / pop-up roof
Move the switch in any direction.
!Do not transport any objects that pro-
trude out of the panorama
sliding / pop-up roof as the seals could
be damaged.
Do not open the panorama
sliding / pop-up roof if there is snow or
ice on the roof, as this could result in
malfunctions.
The panorama sliding/pop-up roof can
be opened or closed manually should
an electrical malfunction occur
(page 358).
iYou can also open or close the panora-
ma sliding/pop-up roof using the:
SmartKey (summer opening/con-
venience future) (
page 199)
button, in the control panel of
the automatic climate control
(page 186)
buttone in the control panel of
the automatic climate control
(page 192)
iThe panorama sliding/pop-up roof can-
not be closed fully (Express-close)
Page 212 of 442

212 Controls in detailDriving systems1Set current or higher speed
2Set current or lower speed
3Cancel cruise control
4Resume at previously set speed
Saving current speed
Accelerate or decelerate to the desired
speed.
Briefly lift1 or depress2 the cruise
control lever.
The current speed is set.
Remove your foot from the accelerator
pedal.
Cruise control is activated.Canceling cruise control
There are several ways to cancel cruise
control:
Step on the brake pedal.
or
Briefly push the cruise control lever to
position3.
Cruise control will be canceled. The
last speed set will be stored for later
use.iOn uphill or downhill grades, cruise
control may not be able to maintain the
set speed. Once the grade eases, the
set speed will be resumed.
!Moving gear selector lever to
positionN while driving also cancels
cruise control. However, the gear se-
lector lever should not be moved to
positionN while driving except to coast
when the vehicle is in danger of skid-
ding (e.g. on icy roads).iThe last stored speed is canceled when
you turn off the engine.
Page 213 of 442

213 Controls in detail
Driving systems
Setting stored speed (“Resume”
function)
Briefly push the cruise control lever to
position4.
The cruise control will resume the last
previously set speed.
Remove your foot from the accelerator
pedal.Setting a higher speed
Lift the cruise control lever to
position1 and hold it up until the de-
sired speed is reached.
Release the cruise control lever.
The new speed is set.
Setting a lower speed
Depress the cruise control lever to
position2 and hold it down until the
desired speed is reached.
Release the cruise control lever.
The new speed is set.Fine adjustment in 1 mph
(Canada: 1 km / h) increments
Faster
Briefly tip the cruise control lever in the
direction of arrow1.
Slower
Briefly tip the cruise control lever in the
direction of arrow2.
Warning!
G
The speed stored in memory should only be
set again if prevailing road conditions per-
mit. Possible acceleration or deceleration
differences arising from returning to preset
speed could cause an accident and / or seri-
ous injury to you and others.
iDepressing the accelerator pedal does
not deactivate cruise control. After
brief acceleration (e.g. for passing),
cruise control will resume the last
speed set.
iWhen you use the cruise control lever
to decelerate, the transmission will au-
tomatically downshift if the engine’s
braking power does not brake the vehi-
cle sufficiently.
Page 219 of 442

219 Controls in detail
Driving systems
Activating Distronic
You can activate Distronic if:
you are driving between 25 mph
(40km/h) and 110mph (180km/h)
the ESP is activated (
page 76)
If Distronic has not been activated after
pressing the cruise control lever you will
see the message
---
in the multifunction
display.
In the following cases you cannot activate
Distronic:
Up to two minutes after starting the en-
gine
When you brake
If you have set the parking brake
If the gear selector lever is in
positionP, R or N
If the ESP is switched offSetting the current speed
Accelerate or decelerate to the desired
speed.
Briefly lift or depress the cruise control
lever.
Distronic is activated and the current
speed is set.
Remove your foot from the accelerator
pedal.Setting a higher speed
Briefly tip the cruise control lever in the
direction of arrow1 (
page 218) to
increase vehicle speed in increments
of 5 mph (Canada: 10 km / h).
The new speed is set.
The stored speed is displayed in the
multifunction display for approximately
five seconds (
page 218), and one or
two segments around the stored speed
come on on the speedometer
(
page 216).
iIf you do not take your foot off of the
accelerator completely, the following
message will appear in the multifunc-
tion display: Distronic override
. The distance to a
slower moving vehicles in front of you
will not be set. Your vehicle speed will
then be determined only by the accel-
erator pedal position.
iDepressing the accelerator pedal does
not deactivate Distronic. After brief ac-
celeration (e.g. for passing), cruise con-
trol will resume the last speed set.
Page 221 of 442

221 Controls in detail
Driving systems
Deactivating Distronic
There are several ways to deactivate the
Distronic system:
Briefly tip the cruise control lever in the
direction of arrow3 (
page 218).
or
Step on the brake pedal.
Distronic will be deactivated. The last
speed set will be stored in memory.Distronic deactivates automatically when:
you set the parking brake
you drive slower than 25 mph
(40 km / h)
the ESP is active (
page 76) or you de-
activate the ESP
you move the transmission selector le-
ver into positionN
A signal will sound. The
Distronic off
message appears in the multifunction
display for approximately five seconds.Setting the following distance in
Distronic
You can set the specified following dis-
tance for Distronic by varying the time set-
ting between 1.0 and 2.0 seconds. Using
this time setting and the current speed of
your vehicle, Distronic calculates and sets
the required following distance to the vehi-
cle ahead. The set distance will be shown
in the multifunction display field.
The thumbwheel for making the time set-
ting is located on the lower section of the
center console.
iThe following message will appear in
the multifunction display for approxi-
mately five seconds:
Distronic off
.
The last stored speed is deleted when
you turn off the engine.
Warning!
G
Distronic switches off and releases the
brakes when the vehicle decelerates below
the minimum speed of approximately
25 mph (40 km / h) by operation of the sys-
tem. At that time the driver must apply the
brakes in order to reduce vehicle speed fur-
ther or bring it to a stop.
Warning!
G
It is up to the driver to exercise discretion to
select the appropriate setting given road
conditions, traffic, driver’s preferred driving
style and applicable laws and driving recom-
mendations for safe following distance.