Page 123 of 498

121 Controls in detail
Memory function
Memory function
You can store up to three different settings
per SmartKey or SmartKey with
KEYLESS-GO*.
The following settings are stored when
using the buttons on the driver’s door:
Driver’s seat, backrest and head
restraint position
Steering wheel position
Exterior rear view mirror position
These key-dependent memory settings
can be deactivated if desired. For informa-
tion on key-dependent memory settings,
see “Setting key-dependency”
(
page 160).The following settings are not
key-dependent. They are stored when us-
ing the buttons on the passenger door:
Front passenger seat, backrest and
head restraint position
!Prior to operating the vehicle, the
driver should check and adjust the seat
height, seat position fore and aft, and
seat backrest angle if necessary, to
ensure adequate control, reach and
comfort. The head restraint should also
be adjusted for proper height. See also
the section on air bags (
page 61) for
proper seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the interior and
exterior rear view mirrors should be
adjusted for adequate rear vision.
Fasten seat belts. Infants and small
children should be seated in a properly
secured restraint system that complies
with U.S. Federal Motor Vehicle Safety
Standards 213 and 225 and Canadian
Motor Vehicle Safety Standards 213
and 210.2.
Warning!
G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.
Page 129 of 498

127 Controls in detail
Lighting
USA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime run-
ning lamp mode using the control system,
see “Setting daytime running lamp mode
(USA only)” (
page 155).
When the engine is running, and you turn
the exterior lamp switch to positionC
orB, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 124).Locator lighting and night security
illumination
The locator lighting and the night security
illumination are described in the “Control
system” section, see “Setting locator light-
ing” (
page 156) and “Setting night secu-
rity illumination” (
page 156).Fog lamps
Warning!
G
In low ambient lighting or foggy conditions,
only switch from position U to B with
the vehicle at a standstill. Switching
fromU to B will briefly switch off the
headlamps. Doing so while driving in low
ambient lighting conditions may result in an
accident.iFog lamps will operate with the parking
lamps and/or the low beam headlamps
on. Fog lamps should only be used in
conjunction with low beam headlamps.
Consult your State or Province Motor
Vehicle Regulations regarding permis-
sible lamp operation.
Page 158 of 498

156 Controls in detailControl systemSetting locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on when the vehicle is unlocked
with the SmartKey during darkness:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
The locator lighting switches off when the
driver’s door is opened.
If you do not open a door after unlocking
with the SmartKey the lamps will switch off
automatically after approximately
40 seconds.
To activate locator lighting:
Make sure the function surround light-
ing is set to
on, see (
page 156).
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Function Surround
lighting
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the locator lighting function
On.
Turn the exterior lamp switch to
position U when exiting the vehicle
(page 124).
The locator lighting feature is
activated.Setting night security illumination
(Headlamps delayed shut-off)
Use this function to set whether and how
long you would like the exterior lamps to
illuminate during darkness after exiting the
vehicle and all doors closed.
With the delayed shut-off feature activated
and the exterior lamp switch in
positionU before the engine is turned
off, the following lamps will switch on after
you have removed the SmartKey from the
starter switch:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If you do not open a door after removing
the SmartKey from the starter switch, the
lamps will switch off automatically after
approximately 60 seconds.
Page 171 of 498

169 Controls in detail
Automatic transmission
Gear selector lever position
Effect
ì
Park position
Gear selector lever position
when the vehicle is parked. Place
gear selector lever in positionP
only when vehicle is stopped.
The park position is not intended
to serve as a brake when the
vehicle is parked. Rather, the
driver should always set the
parking brake in addition to
placing the gear selector lever in
positionP to secure the vehicle.
EffectThe SmartKey can only be
removed from the starter switch
with the gear selector lever in
positionP. With the SmartKey
removed, the gear selector lever
is locked in positionP.
If the vehicle’s electrical system
is malfunctioning, the gear
selector lever could remain
locked in positionP (page 352).
í
Reverse gear
Place gear selector lever in
positionR only when vehicle is
stopped.
Effect
ë
Neutral
No power is transmitted from the
engine to the drive axle. When
the brakes are released, the
vehicle can be moved freely
(pushed or towed).
To avoid damage to the trans-
mission, never engageN while
driving.
If the ESP is deactivated or
malfunctioning:
Move gear selector lever toN
only if the vehicle is in danger of
skidding, e.g. on icy roads.
ê
Drive
The transmission shifts
automatically. All forward gears
are available.
Page 219 of 498

217 Controls in detail
Audio system
Manual tuning
Select desired waveband.
Press S or Tbutton for approx.
three seconds.
Press button repeatedly until desired
frequency has been reached.
Step-by-step station tuning takes place
in ascending or descending order. Each
time the button is pressed, the radio
tunes further by 0.2 MHz. During man-
ual tuning, the radio is muted.Automatic seek tuning
Select desired waveband.
Press S or T button briefly.
The radio will tune to the next highest
or next lowest receivable frequency.Scan search
Starting scan search
Select desired waveband.
Press
SC soft key.
SC will appear in the display. The
radio briefly tunes in all receivable
stations on the waveband selected.
iYou can only enter frequencies within
the respective waveband.
If a button is not pressed within
four seconds, the radio will return to
the last station tuned.
iIf no station is received after two
consecutive scans of the complete
frequency range, then the scan stops
at the frequency from which it began.
Page 221 of 498

219 Controls in detail
Audio system
Calling up stations
Press desired station button1
to R.
Leaving the Autostore memory level
Press
FM or
AM
soft key briefly.
Interrupting radio mode
The radio mode is interrupted by an incom-
ing call on the telephone* (
page 237)
Mute on
Press U button.
The radio mode is interrupted and MUTED
appears in the display.
Mute off
Press U button.
The radio mode is again active.
Weather band
Press
WB soft key.
The weather band station last received
is tuned in.Selecting a weather band station
directly
Select desired weather band station
with buttons 1 to 7.
If a station cannot be tuned in, a search
is automatically started.
Search
Press S or T button to tune in
the next receivable weather band sta-
tion.iIf no weather band station is received
after three consecutive scans of the
complete frequency range, then the
scan stops at the channel with which it
began and
NO WB FOUND
appears in the
display.
If this happens, switch back to stan-
dard radio mode.
Page 266 of 498
264 Controls in detailLoadingRoof rack
1TrimPreparing roof rack installation
Open trim1 at the trim strips in the
roof.
Secure the roof rack according to
manufacturer’s instructions for
installation.
Ski sack*
Unfolding and loading
1Handle
2Cover
3Armrest
Fold armrest3 down (arrow).
Pull handle1 and swing cover2
down.
Warning!
G
Only use roof racks approved by
Mercedes-Benz for your vehicle model to
avoid damage to the vehicle. Follow manu-
facturer’s installation instructions.
!Load the roof rack in such a way that
the vehicle cannot be damaged while
driving.
Make sure
you can fully raise the tilt/sliding
sunroof*
you can fully open the trunk
Page 267 of 498
265 Controls in detail
Loading
4Hook and loop fastener
Unfasten hook and loop fastener4.
Pull ski sack into passenger compart-
ment and unfold.5Button
Open trunk lid.
Press button5.
The flap opens downward.
From trunk, slide skis into ski sack.Warning!
G
The ski sack is designed for up to four pairs
of skis. Do not load the ski sack with other
objects.
Always fasten the ski sack securely. In an
accident, an unfastened ski sack can cause
injury to vehicle occupants.