Ski rack
.............................................. 261
Sliding sunroof Important safety notes ....................79
Opening/closing .............................. 79
Operating manually ..........................79
Problem (malfunction) .....................80
SmartKey
Changing the battery .......................71
Changing the programming .............69
Checking the battery .......................70
Convenience opening feature ..........78
Display message ............................ 242
Door central locking/unlocking .......68
Important safety notes ....................68
Loss ................................................. 72
Malfunction ...................................... 72
Mechanical key ................................ 70
Overview .......................................... 68
Problem (malfunction) .....................72
Starting the engine ........................140
Snow chains ...................................... 315
Sockets Front-passenger footwell ...............265
Luggage compartment ...................265
Rear compartment .........................265
SOS
see mbrace
Spare fuses ........................................ 309
Spare wheel Mounting ....................................... 334
Notes/data .................................... 340
Spare wheel bracket at the rear ....297
Stainless-steel spare hub cap ........297
Specialist workshop ............................ 24
Special seat belt retractor .................. 52
Speed, controlling see Cruise control
Speedometer
Digital ............................................ 209
In the Instrument cluster ...............205
Segments ...................................... 206
Selecting the unit of measurement 214
see Instrument cluster
SPEEDTRONIC
Display message ............................ 236
Selecting ........................................ 175
Variabl e......................................... 174SRS
see SRS (Supplemental Restraint
System)
SRS (Supplemental Restraint
System)
Display message ............................ 224
Introduction ..................................... 39
Warning lamp ................................. 250
Warning lamp (function) ................... 39
Standing lamps
Display message ............................ 228
Switching on/off ........................... 102
Starting the engine
Important safety notes ..................140
Steering (display message) ..............241
Steering wheel Adjusting (electrically) .....................91
Buttons (on-board computer) ......... 206
Cleaning ......................................... 292
Important safety notes ....................90
Paddle shifters ............................... 150
Steering wheel heating ....................91
Storing settings (memory function) .. 95
Steering wheel heating
Indicator lamp (malfunction) ............91
Steering wheel paddle shifters ........150
Stopwatch (RACETIMER) ................... 218
Stowage areas ................................... 257
Stowage compartments Armrest (under) ............................. 258
Cup holders ................................... 262
Glove box ...................................... .257
Important safety information .........257
Stowage pockets ........................... 258
Summer tires ..................................... 314
Sun visor ............................................ 262
Supplemental Restraint System see SRS (Supplemental Restraint
System)
Surround lighting (on-board
computer) .......................................... 215
Suspension tuning SETUP (on-board computer) ..........218
SUV
(Sport Utility Vehicle) .......................23
Switching air-recirculation mode
on/off ................................................. 134 Index
15
Overhead control panel
Function Page
0043
003D
Switches the left-
hand reading lamp on/off 105
0044
004A
Switches the front
interior lighting on 106
0087
0042
Switches the rear
interior lighting on/off 106
0085
0033
Switches the front
interior lighting/automatic
interior lighting control off 106
0083
003D
Switches the right-
hand reading lamp on/off 105
0084
006A
Opens/closes the
sliding sunroof 79
006B
0052
Roadside Assistance
call button (mbrace
system) 269 Function Page
006C
0053
SOS button (mbrace
system) 268
006D
00D9
MB Info call button
(mbrace system) 270
006E
Rear-view mirror 93
006F
Buttons for the garage door
opener
278
0070
Microphone for mbrace
(emergency call system),
telephone and the Voice
Control System34
Overhead control panelAt a glance
X
Pull movable seat belt tongue 006Band route
the seat belt across your body. Without
twisting it, guide the shoulder section of the
seat belt across the middle of your shoulder
and the lap section across your hips.
X Engage movable seat belt tongue 006Bin
buckle 0083.
X If necessary, pull upwards on the shoulder
section of the seat belt to tighten the belt
across your body.
Further information on releasing the seat
belts with release buttons 0084and
0087(Y page 52).
Special seat belt retractor
All seat belts in the vehicle with the exception
of the driver's are equipped with a special
seat belt retractor, to which a child restraint
system can be secured. For further
information on the "special seat belt
retractor" (Y page 56).
Belt height adjustment You can adjust the belt height on the driver's
and front-passenger seat, as well as on the
outer rear seats. Adjust the height so that the upper part of the
seat belt is routed across the center of your
shoulder.
X To raise: slide the belt sash guide upwards.
The belt sash guide engages in various
positions.
X To lower: draw belt sash guide
release 0043forwards and hold it.
X Slide the belt sash guide downwards.
X Let go of belt sash guide release 0043and
make sure that the belt sash guide has
engaged.
Releasing seat belts !
Make sure that the seat belt is fully rolled
up. Otherwise, the seat belt or belt tongue
will be trapped in the door or in the seat
mechanism. This could damage the door,
the door trim panel and the seat belt.
Damaged seat belts can no longer fulfill
their protective function and must be
replaced. Visit a qualified specialist
workshop. 52
Occupant safetySafety
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. 0043
0037 To lock the vehicle
0044 0036 To unlock the vehicle
X To unlock centrally: press the0036
button.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the theft deterrent locking system is
armed again.
X To lock centrally: press the0037button.
The SmartKey centrally locks/unlocks:
R the doors
R the rear door
R the fuel filler flap
i When unlocking, the turn signals flash
once. When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Y page 216).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 215). Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
i
If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the 0037or0036 button
locks or unlocks the vehicle.
X To change the setting: press and hold
down the 0036and0037 buttons
simultaneously for approximately six
seconds until battery check lamp 0043
flashes twice.
The SmartKey now functions as follows:
X To unlock the driver's door and fuel
filler flap: press the0036button once.
X To unlock centrally: press the0036
button twice.
X To lock centrally: press the0037button. SmartKey
69Opening and closing Z
Restoring the factory settings
X
Press the 0036and0037 buttons
simultaneously for approximately six
seconds until battery check lamp 0043
flashes twice. Mechanical key
General notes If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the rear door, the
anti-theft alarm system will be triggered
(Y page 65).
X To end the alarm: insert the SmartKey into
the ignition lock.
Removing the mechanical key 0043
Release catch
0044 Mechanical key X
Push release catch 0043in the direction of
the arrow and at the same time remove
mechanical key 0044from the SmartKey. SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National
guidelines must be observed during disposal.
In California, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
Checking the battery X
Press the 0037or0036 button.
The battery is working properly if battery
check lamp 0043lights up briefly. 70
SmartKeyOpening and closing
If battery check lamp
0043does not light up
during the test, the battery is discharged.
X Change the battery (Y page 71).
i You can get a battery in any qualified
specialist workshop.
i Have the batteries replaced at a qualified
specialist workshop.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the 0037or0036 button:
R locks or
R unlocks the vehicle
Replacing the battery You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
SmartKey (Y page 70). 0043
Battery compartment cover
0044 Mechanical key
X Press mechanical key 0044into the opening
in the SmartKey in the direction of the
arrow until battery tray cover 0043opens. Do
not hold the cover closed while doing so.
X Remove battery tray cover 0043. 0087
Battery
X Repeatedly tap the SmartKey against your
palm until battery 0087falls out.
X Insert the new battery with the positive
terminal facing upwards. Use a lint-free
cloth to do so.
X Make sure that the surface of the battery is
free from lint, grease and all other forms of
contamination.
X Insert the front tabs of battery tray
cover 0043and then press to close it.
X Insert the mechanical key into the
SmartKey.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
71Opening and closing Z
Automatic locking feature
0043
To deactivate
0044 To activate
X To disarm: press and hold button 0043for
about five seconds until a tone sounds.
X To arm: press and hold button 0044for about
five seconds until a tone sounds.
i If you press one of the two buttons and
do not hear a tone, the relevant setting has
already been selected.
The vehicle is locked automatically when the
ignition is switched on and the vehicle's
wheels are moving at a speed in excess of
9 mph (15 km/h).
You could therefore be locked out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is being tested on a
dynamometer.
You can also switch the automatic locking
function on and off using the on-board
computer (Y page 216). Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be centrally
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Ypage 65). Take the mechanical key out of the SmartKey
(Y
page 70). X
Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key counter-clockwise
to position 0047.
The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the
SmartKey. Locking the vehicle
If the vehicle can no longer be centrally
locked with the SmartKey, use the
mechanical key.
X Close the front-passenger door, the rear
doors and the tailgate.
X Press the locking button (Y page 74).
X Make sure that the locking knobs on the
doors are still visible. Press down the
locking knobs by hand, if necessary.
X Close the driver's door from the outside. Doors
75Opening and closing Z
The system automatically switches down
from level 2to level1 after approximately
10 minutes.
The system automatically switches off
approximately 35 minutes after it is set to
level 1.
Problems with the seat heating If the on-board voltage is too low, the seat
heating is switched off automatically.
X Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
If the on-board voltage is only interrupted
briefly, the seat heating will switch back on
automatically. If the seat heating is not
switched on automatically:
X Switch the seat heating on manually
(Y page 89) Switching the seat ventilation on/off
Activating/deactivating Seat ventilation is only available for the front
seats.
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
X Make sure that the SmartKey is in
position 2(Y page 139) in the ignition lock.
X To switch on: press button0043repeatedly
until the desired ventilation level is set. i
If you open the side windows and the
sliding sunroof using the SmartKey
(Y page 78), the driver's seat ventilation
automatically switches to the highest level.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
Problems with the seat ventilation If one or all of the indicator lamps in the seat
ventilation button are flashing, the seat
ventilation has switched off automatically.
The vehicle's electrical system voltage is too
low because too many electrical consumers
are switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Once the battery is sufficiently charged, the
seat ventilation will switch back on
automatically. Steering wheel
Important safety notes
G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child's unsupervised access to a
vehicle could result in an accident and/or
serious personal injury. 90
Steering wheelSeats, steering wheel and mirrors