Page 143 of 474

141 Controls in detail
Control system
Operate the CD player
Selecting CD track
Turn on COMAND and select CD. Refer
to the separate COMAND operating in-
structions.
Press button è or ÿ repeatedly
until the settings for the CD currently
being played appear in the right multi-
function display.
1Current CD (for CD changer)
2Current track
Press button k or j repeatedly
until the desired track is selected.Selecting MP3-CD track
Turn on COMAND and select MP3-CD.
Refer to the separate COMAND operat-
ing instructions.
Press button è or ÿ repeatedly
until the settings for the MP3-CD cur-
rently being played appear in the right
multifunction display.
Press button k or j repeatedly
until the desired track is selected.
iAdditional optional satellite radio
equipment and a subscription to satel-
lite radio service provider are required
for satellite radio operation. Contact an
authorized Mercedes-Benz Center for
details and availability for your vehicle.
For more information, refer to separate
COMAND operating instructions.
Page 232 of 474
230 Controls in detailUseful featuresOpening storage tray
Press button1 and lift up the armrest.
Opening storage compartment
Press button2 and lift the armrest.
Locking the storage compartments
The storage compartments are centrally
locked when you lock the vehicle from the
outside.
You can also lock the storage compart-
ments separately, see “Locking the stor-
age compartments separately”
(
page 230).Rear storage compartments
The CD changer is located in the left stor-
age compartment.
For instructions on the CD changer, see
separate COMAND Operator’s Manual.
1Release button
2Lid
Press release button 1.
The lid opens upwards.Locking the storage compartments
separately
You can lock the storage compartments
separately, e.g. when the vehicle is in the
shop for service.
1Separately unlock storage compart-
ments
2Centrally lock/unlock storage com-
partments
3Separately lock storage compartments
Slide mechanical key out of SmartKey
housing (
page 374).
Page 442 of 474

440 Technical termsCAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping depending on vehi-
cle settings and/or ambient condi-
tions.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Collapsible tire
An especially compact spare tire that
must be inflated with a provided air
pump before using. It should only be
used to bring the vehicle to the nearest
service station.COMAND
(Co
ckpit Man
agement and
D
ata System)
Information and operating center for
vehicle sound and communications
systems, including the radio, CD
changer and navigation system, as well
as other optional equipment (e.g. tele-
phone).
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.Distronic*
A driving convenience cruise control
system which helps the driver maintain
a pre-selected speed:
If there is no vehicle directly ahead,
the system operates in the same
way as conventional cruise control.
If a slower moving vehicle is ahead,
Distronic* will reduce your vehicle
speed to the extent permitted by re-
duced throttle and up to 20% brak-
ing power to maintain the preset
minimum following distance.
DTR
(->Distr
onic*)
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.