Service menu (on-board com-
puter)
.................................................. 206
Service products
Brake fluid .....................................3 42
Coolant (engine) ............................ 342
Engine oil ....................................... 340
Fuel ................................................ 337
Important safety notes .................. 337
Notes ............................................. 337
Refrigerant (air-conditioning sys-
tem) ............................................... 341
Washer fluid ................................... 343
Setting a speed limit
see SPEEDTRONIC
Setting the air distribution ...............124
Settings
Calling up a stored setting .............. .96
Factory (on-board computer) ......... 209
On-board computer ....................... 206
SETUP (on-board computer) ............. 210
Shift ranges ....................................... 145
Side marker lamp (display mes-
sage) ................................................... 220
Side marker lamps (changing
bulbs) ................................................ .112
Side windows
Convenience opening feature .......... 78
Important safety information ........... 77
Opening/closing .............................. 77
Overview .......................................... 77
Troubleshooting ............................... 78
Ski rack .............................................. 254
Sliding sunroof
Important safety notes .................... 79
Opening/closing .............................. 79
Operating manually .......................... 79
Problem (malfunction) ..................... 80
SmartKey
Changing the battery ....................... 70
Changing the programming ............. 69
Checking the battery ....................... 70
Convenience opening feature .......... 78
Display message ............................ 234
Door central locking/unlocking ....... 68
Important safety notes .................... 68
Loss ................................................. 72
Malfunction ...................................... 72 Mechanical key ................................ 69
Overview .......................................... 68
Problem (malfunction) ..................... 72
Starting the engine ........................ 134
Snow chains ...................................... 309
Sockets
Front-passenger footwell .............. .257
Luggage compartment ................... 257
Rear compartment ......................... 257
SOS
see mbrace
Spare fuses ........................................ 301
Spare wheel
Mounting ....................................... 327
Notes/data ................................... .333
Spare wheel bracket at the rear .... 291
Stainless-steel spare hub cap ....... .291
Special seat belt retractor .................. 53
Specialist workshop ............................ 24
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 201
In the Instrument cluster .............. .197
Segments ...................................... 198
Selecting the unit of measure-
ment .............................................. 206
see Instrument cluster
SPEEDTRONIC
Display message ............................ 228
Selecting ........................................ 167
Variabl e......................................... 166
Standing lamps
Display message ............................ 220
Switching on/of f........................... 102
Starting the engine
Important safety notes .................. 134
Steering (display message) .............. 233
Steering wheel
Adjusting (electrically) ..................... 91
Buttons (on-board computer) ......... 198
Cleaning ......................................... 286
Important safety notes .................... 90
Paddle shifters ............................... 144
Steering wheel heating .................... 91
Storing settings (memory func-
tion) ................................................. 95 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 79
C
F
Roadside Assistance
call button (mbrace sys-
tem) 261 Function Page
D
G
SOS button (mbrace
system) 260
E
ï
MB Info call button
(mbrace system) 262
F
Rear-view mirror 92
G
Buttons for the garage door
opener 270
H
Microphone for mbrace
(emergency call system),
telephone and the Voice
Control System36
Overhead control panelAt a glance
Pets in the vehicle
G
WARNING
If you leave animals unattended or unsecured in the vehicle, they could press buttons or
switches, for example.
As a result, they could:
R activate vehicle equipment and become
trapped, for example
R activate or deactivate systems, thereby
endangering other road users
Unsecured animals could also be flung around
the vehicle in the event of an accident or sud- den steering or braking, thereby injuring vehi-
cle occupants. There is a risk of an accident
and injury.
Never leave animals unattended in the vehi-
cle. Always secure animals properly during
the journey, e.g. use a suitable animal trans-
port box. Driving safety systems
Overview of driving safety systems
In this section, you will find information about the following driving safety systems:
R ABS (Anti-lock BrakingSystem)
(Y page 62)
R BAS ( Brake Assist System) (Y page 62)
R Adaptive brake lights (Y page 63)
R ESP ®
(Electronic StabilityProgram)
(Y page 63)
R EBD ( Electronic Brake force Distribution)
(Y page 65)
R ADAPTIVE BRAKE (Y page 65)
R Trailer stabilization Important safety notes
G
WARNING
The ABS, the BAS, and the ESP ®
switch off
when the differential locks are switched on.
When the ABS, the BAS, and the ESP ®
are
switched off
R wheels may lock during hard braking
R steering capabilities are reduced
R braking distance is increased
R vehicle stability in standard driving maneu-
vers is increased
Make sure the differential locks are switched on at all times except when driving off-road for
example. Switch on the differential locks
immediately when returning from off-road
driving.
If you fail to adapt your driving style or if you
are inattentive, the driving safety systems can neither reduce the risk of an accident nor
override the laws of physics. Driving safety
systems are merely aids designed to assist
driving. You are responsible for the distance
to the vehicle in front, for vehicle speed and
for braking in good time. Always adapt your
driving style to suit the prevailing road and
weather conditions and maintain a safe dis-
tance from the vehicle in front. Drive care-
fully.
i Please note that the driving safety sys-
tems described only work as effectively as
possible if there is adequate contact
between the tires and the road surface. Pay particular attention to the information
regarding tires, recommended minimum
tire tread depths etc. in the "Wheels and
tires" section (Y page 306).
In wintry driving conditions, always use
winter tires (M+S tires) and if necessary,
snow chains. Only in this way will the driv-
ing safety systems described in this section work as effectively as possible. Driving safety systems
61Safety Z
The SmartKey centrally locks/unlocks:
R the doors
R the rear door
R the fuel filler flap
i The turn signals flash once when unlock-
ing and three times when locking.
You can also set an audible signal to confirm that the vehicle has been locked. The audiblesignal can be activated and deactivated using
the on-board computer (Y page 208).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 207). 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 vehi- cle, pressing the &or% button locks
or unlocks the vehicle.
X To change the setting: press and hold
down the %and& buttons simulta-
neously 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%but-
ton twice.
X To lock centrally: press the&button. Restoring the factory settings
X
Press the %and& buttons simulta-
neously 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 66).
X To end the alarm: insert the SmartKey into
the ignition lock. SmartKey
69Opening and closing Z
:
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 ter-
minal 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 Smart-
Key.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
71Opening and closing Z
Automatic locking feature
:
To deactivate
; To activate
X To deactivate: press and hold button :
for about five seconds until a tone sounds.
X To activate: 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 dynamom-
eter.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 208). Unlocking the driver's door (mechan-
ical 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 66).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 1.
The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key. Locking the vehicle
If the vehicle can no longer be centrally
locked with the SmartKey, use the mechani-
cal 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 lock-
ing knobs by hand, if necessary.
X Close the driver's door from the outside. Doors
75Opening and closing Z
automatically. If the seat heating is not
switched on automatically:
X Switch on the seat heating manually
(Y page 89) Switching the seat ventilation on/off
Switching on/off Seat ventilation is only available for the front
seats.
The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
X Make sure that the SmartKey is in posi-
tion 2(Y page 133) 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 slid-
ing 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 ven-
tilation 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 auto-
matically. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine. G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock. 90
Steering wheelSeats, steering wheel and
mirrors
If steering wheel heating indicator lamp
=is
flashing, the steering wheel heating 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 steering wheel heating will switch back on
automatically. Steering wheel EASY-ENTRY/EXIT fea-
ture
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel and the driver's seat, you
and other vehicle occupants – particularly
children – could become trapped. There is a
risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the seat and
the steering wheel.
If somebody becomes trapped:
R press one of the memory function position
buttons, or
R press one of the memory function memory
buttons, or
R move the switch for steering wheel adjust-
ment in the opposite direction to that in
which the steering wheel is moving
The adjustment process is stopped. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident.
Always wait until the adjustment process is
complete before driving off. !
Do not activate the EASY-ENTRY/EXIT
feature, if the seat backrest is reclined too
far backwards. This can damage the front
or rear seats. You must first move the back- rest to a vertical position.
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (Y page 208).
Position of the steering wheel when the EASY-ENTRY/EXIT feature is active The steering wheel moves upwards and
towards the dashboard if:
R you remove the SmartKey from the ignition
lock or
R you open the driver's door with the Smart-
Key in position 0or 1in the ignition lock
i The steering wheel only moves upwards
and towards the dashboard if it has not
already reached the upper steering limiter.
Position of the steering wheel for driv-
ing The steering wheel is moved to the last selec-
ted position when:
R the driver's door is closed
R you insert the SmartKey into the ignition
lock
The last position of the steering column is
stored when you switch off the ignition or
when you store the setting with the memory
function (Y page 95). Mirrors
Rear-view mirror
X Adjust the rear-view mirror by hand so you
have a good overview of the traffic condi-
tions behind you. 92
MirrorsSeats, steering wheel and mirrors