Side windows
Convenience opening feature .......... 78
Important safety information
...........78
Opening/closing .............................. 78
Overview .......................................... 78
Troubleshooting ............................... 79
Ski rack .............................................. 267
Sliding sunroof Important safety notes .................... 79
Opening/closing .............................. 80
Operating manually ..........................80
Problem (malfunction) .....................81
SmartKey
Changing the battery ....................... 71
Changing the programming ............. 69
Checking the battery ....................... 70
Convenience opening feature .......... 78
Display message ............................ 247
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 ...................................... 321
Sockets Front-passenger footwell ...............271
Luggage compartment ................... 271
Rear compartment ......................... 271
SOS
see mbrace
Spare fuses ........................................ 313
Spare wheel Mounting ....................................... 340
Notes/data .................................... 346
Spare wheel bracket at the rear ....303
Stainless-steel spare hub cap ........ 304
Specialist workshop ............................ 23
Special seat belt retractor .................. 52
Speed, controlling see Cruise control
Speedometer
Digital ............................................ 213
In the Instrument cluster ............... 209Segments
...................................... 210
Selecting the unit of
measurement ................................ 219
see Instrument cluster
SPEEDTRONIC
Display message ............................ 241
Selecting ........................................ 175
Variable ......................................... 174
SRS
see SRS (Supplemental Restraint
System)
SRS (Supplemental Restraint
System)
Display message ............................ 229
Introduction ..................................... 39
Warning lamp ................................. 255
Warning lamp (function) ................... 39
Standing lamps
Display message ............................ 233
Switching on/off ........................... 102
Starting the engine
Important safety notes .................. 140
Steering (display message) ..............246
Steering wheel Adjusting (electrically) .....................91
Buttons (on-board computer) ......... 210
Cleaning ......................................... 299
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) ................... 222
Stowage areas ................................... 263
Stowage compartments Armrest (under) ............................. 263
Cup holders ................................... 268
Glove box ....................................... 263
Important safety information ......... 263
Stowage pockets ........................... 264
Summer tires ..................................... 320
Sun visor ............................................ 268 Index
15
Overhead control panel
Function Page
:
p Switches the left-
hand reading lamp on/off
105
;
c Switches the front
interior lighting on
106
=
u Switches the rear
interior lighting on/off
106
?
| Switches the front
interior lighting/automatic
interior lighting control off
106
A
p Switches the right-
hand reading lamp on/off
105
B
¡ Opens/closes the
sliding sunroof
80
C
F Roadside Assistance
call button (mbrace
system)
275 Function Page
D
G SOS button (mbrace
system)
274
E
ï MB Info call button
(mbrace system)
276
F
Rear-view mirror 93
G
Buttons for the garage door
opener
284
H
Microphone for mbrace
(emergency call system),
telephone and the Voice
Control System34
Overhead control panelAt a glance
X
Pull the seat belt smoothly from the seat
belt retractor.
X Engage fixed seat belt tongue ? in
buckle ;. X
Pull movable seat belt tongue C and 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 C in
buckle A.
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
B and
=(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 : forwards and hold it.
X Slide the belt sash guide downwards.
X Let go of belt sash guide release : and
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, 52
Occupant safety
Safety
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. :
& To lock the vehicle
; % To unlock the vehicle
X To unlock centrally: press the %
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 the & button.
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 221).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 219). 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 & or % button
locks or unlocks the vehicle.
X To change the setting: press and hold
down the % and & buttons
simultaneously for approximately six
seconds until battery check lamp :
flashes twice.
The SmartKey now functions as follows:
X To unlock the driver's door and fuel
filler flap: press the % button once.
X To unlock centrally: press the %
button twice.
X To lock centrally: press the & button. SmartKey
69
Opening/closing Z
Restoring the factory settings
X
Press the % and & buttons
simultaneously for approximately six
seconds until battery check lamp :
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 :
Release catch
; Mechanical key X
Push release catch : in the direction of
the arrow and at the same time remove
mechanical key ; from 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 & or % button.
The battery is working properly if battery
check lamp : lights up briefly. 70
SmartKey
Opening/closing
If battery check lamp : does 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 & or % 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). :
Battery compartment cover
; Mechanical key
X Press mechanical key ; into the opening
in the SmartKey in the direction of the
arrow
until battery tray cover : opens. Do
not hold the cover closed while doing so.
X Remove battery tray cover :. =
Battery
X Repeatedly tap the SmartKey against your
palm until battery = falls 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 : and 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
71
Opening/closing Z
X
To unlock: press button :.
X To lock: press button ;.
If all the doors and the tailgate are closed,
the vehicle locks.
You can open a front door from inside the
vehicle even if it has been locked. Only open
the door when the traffic situation permits.
If
the vehicle has been locked with the central
locking button:
R and the SmartKey is restored to the factory
settings, the entire vehicle is unlocked if a
front door is opened from inside the
vehicle.
R and the SmartKey is set to an individual
setting, only the front door that is opened
from inside the vehicle is unlocked.
If the vehicle has been locked centrally with
the SmartKey, it does not unlock if you use
the central locking button.
i You cannot unlock the vehicle centrally
from the inside if the vehicle has been
locked from the outside using the
SmartKey.
i It is only possible to lock the vehicle
centrally if all doors are closed. Automatic locking feature
:
To deactivate
; To activate
X To disarm: press and hold button : for
about five seconds until a tone sounds.
X To arm:
press and hold button ; for 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 220). 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
(Y page 65). Doors
75
Opening/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 button : repeatedly
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 button : repeatedly
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 wheel
Seats, steering wheel and mirrors