Sensors
......................................... 330
Steering wheel ............................... 332
Tai lpipes ....................................... 330
Trim pieces .................................... 332
Washing by hand ........................... 327
Wheels ........................................... 328
Windows ........................................ 329
Wiper blades .................................. 329
Wooden trim .................................. 332
Car key
see Key
Car wash (care) ................................. 327
CD player/CD changer(on-board
computer) .......................................... 238
Cell phone see Mobile phone
Central locking
Automatic locking (on-board com-
puter) ............................................. 246
Locking/unlocking (key ).................. 82
Centre console
Lowe rsection .................................. 35
Lowe rsection (AMG vehicles) ..........37
Uppe rsection .................................. 34
Changing bulbs
Dipped-bea mheadlamps ............... 131
Important safety notes ..................129
Infrared lamp ................................. 132
Main-beam headlamps ................... 131
Overview of bul btypes .................. 130
Parking lamps (front) .....................131
Standing lamps .............................. 131
Turn signals (front) ......................... 132
Child-proof locks
Important safety notes ....................68
Rea rdoors ....................................... 68
Children
Fastening seat belts ......................... 61
In the vehicle ................................... 53
Restraint systems ............................ 53
Child seat
Automatic recognition .....................56
Display message ............................ 258
Integrated ........................................ 60
Integrated, ICS padded pla ytable ....62
Integrated, side head restraints .......63
Integrated ,storing ........................... 64
ISOFIX .............................................. 57 On the front-passenger sea
t............ 55
Problem (malfunction) .....................60
Recommendations ...........................67
Suitable positions ............................ 65
Cigarette lighter ................................ 311
Cleaning Mirro rturn signal ........................... 330
Trailer tow hitch ............................. 330
Climate control
Auxiliary heating/ventilation .......... 145
Controlling automatically ...............140
Convenience opening/closing
(air-recirculatio nmode) ................. 144
Cooling with aird ehumidification..139
Demisting the windows .................. 143
Demisting the windscreen .............142
Important safety notes ..................136
Indicator lamp ................................ 140
Notes on using THERMATIC auto-
matic climate control .....................137
Notes on using THERMOTRONIC
automatic climate control ..............139
Overview of systems ......................136
Problems with cooling with air
dehumidification ............................ 140
Problem with the rear window
heating .......................................... 143
Rea rcontrol panel ......................... 138
Setting the aird istribution.............141
Setting the airflow .........................142
Setting the airv ents...................... 149
Setting the climate mode .............. .140
Setting the temperature ................141
Switching air-recirculation mode
on/off ............................................ 144
Switching on/off ........................... 139
Switching residual hea ton/off ......145
Switching the rear window heat-
ing on/off ...................................... 143
Switching the ZONE function on/
off .................................................. 142
THERMATIC automatic climate
control (2-zone) ............................. 137
THERMOTRONIC (3-zone) auto-
matic climate control .....................138
Clock( on-board computer) ...............244
Coat hooks ......................................... 301 Index
7
X
To deactivate: press and hold button :
for abou tfive 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.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 246). Unlocking the driver's door (emer-
gency key element)
If the vehicle can no longer be unlocked with
the key, use the emergency key element.
If you use the emergency key elemen tto
unlock and open the driver's door, the anti-
theft alarm system will be triggered
(Y page 77).
X Take the emergency key elemen tout of the
key (Y page 84).
X Inser tthe emergency key element into the
lock of the driver's door as far as it will go. X
Turn the emergency key element anti-
clockwise to position 1.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
X Turn the emergency key element back and
remove it.
X Insert the emergency key element into the
key. Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the
key, use the emergency key element.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the boot lid/tailgate.
X Press the locking button (Y page 89).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
X Close the driver's door.
X Take the emergency key element out of the
key (Y page 84).
X Insert the emergency key element into the
lock of the driver's door as far as it will go. 90
DoorsOpening and closing
Setting the centre air vents
:
Centre air vent, left
; Centre air vent, right
= Centre vent thumbwheel, right
? Centre vent thumbwheel, left
X To open/close: turn thumbwheels =
and ?up or down. Setting the side air vents
X
To open/close: turn thumbwheel =up or
down.
i Side window demister vent :is never
completely shut, even if side air vent ;is
shut. Setting the glove compartment air
vent
When automatic climate control is activated,
the glove compartmen tcan be ventilated, for
instance to cool its contents .The level of air- flow depends on the airflow and air distribu-
tion settings.
!
Close the air vent when heating the vehi-
cle.
At high outside temperatures, open the air
vent and activate the "cooling with air dehu-
midification" function. Otherwise, temper-
ature-sensitive items stored in the glove
compartmentc ould be damaged. :
Air vent thumbwheel
; Air vent
X To open/close: turn thumbwheel :
clockwise or anti-clockwise. Setting the rear-compartment air
vents
Setting the centre vents in the rear com-
partment :
Rear-compartment air vent thumbwheel
; Rear-compartment air vent, right 150
Adjusting the air ventsClimate control
Inflating the collapsible emergency
spare wheel !
Inflate the collapsible emergency spare
wheel using the tyre inflation compressor
before lowering the vehicle. The wheel rim
could otherwise be damaged. X
Pull plug ?and the air hose out of the
housing.
X Remove the cap from the valve on the col-
lapsible emergency spare wheel.
X Screw air hose unio nnut: onto the valve.
X Make sure the tyre inflation compressor's
on/off switch Ais set to 0.
X Inser tplug ?into the socket of the ciga-
rette lighter (Y page 311) or into a 12 V
power socket (Y page 311)inyour vehicle.
X Make sure that the key is in position
1(Y page 155) in the ignition lock.
X Press on/offs witchAon the tyre inflation
compressor to I.
The tyre inflatio ncompressor is switched
on. The tyre is inflated. The tyre pressure is
read at pressure gauge =.
! Do not operate the tyre inflation com-
pressor for longer than eight minutes at a
time without a break. It may otherwise
overheat.
The tyre inflation compressor can be oper-
ated again once it has cooled down.
X Pump the tyre to the specified tyre pres-
sure. The specified tyre pressure is printed on
the yellow label of the emergency spare
wheel.
X When the specified tyre pressure has been
reached, press on/offs witchAon the tyre
inflatio ncompressor to 0.
The tyre inflation compressor is switched
off.
X Turn the key to position 0in the ignition
lock.
X If the tyre pressure is higher than the speci-
fied pressure, press pressure release but-
ton ;until the correct tyre pressure has
been reached.
X Unscrew air hose union nut :from the
valve.
X Screw the valve cap ontot he collapsible
emergency spare wheel valve again.
X Stow plug ?and the air hose in the lower
section of the compressor housing.
X Stow the tyre inflation compressor in the
vehicle.
Lowering the vehicle G
WARNING
Tyre pressure that is too high or too low can
lead to a blow-out of the fitted emergency
spare wheel/spare wheel, particularly when
driving with a heavy load and increasing
speed. There is a risk of accident.
Check the tyre pressure of the emergency
spare wheel or spare wheel and adjust it.
When doing so, observe the specified tyre
pressure.
! Inflate the collapsible emergency spare
wheel using the tyre inflation compressor
before lowering the vehicle. The wheel rim
could otherwise be damaged.
X Turn the crank of the jack anti-clockwise
until the vehicle is once again standing
firmly on the ground.
X Place the jack to one side. 348
Flat tyreBreakdown assistance
Disconnecting the battery
! Always disconnec tthe battery in
the order described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
In vehicles with automatic transmission,
the transmission is locked in position P
after disconnecting the battery. The vehicle
is secured against rolling away.Y ou can
then no longer move the vehicle. :
Battery
; Positive terminal cover
= Negative terminal
? Breather hose
X Loosen the negative terminal clamp on the
battery and remove it from negative termi-
nal =.
X Remove cover ;from the positive termi-
nal clamp.
X Loosen the positive terminal clamp on bat-
tery :and remove it from the positive ter-
minal.
X Remove breather hose ?from the side of
battery : Removing/fitting the battery
X To remove: disconnect the battery
(Y page 352).
X Loosen the bolt that holds the battery in
place. X
Remove the battery.
X To fit: follow the steps described in "To
remove" in reverse order. Reconnecting the battery
! Always connect the battery in the order
described below. Never swap the terminal
clamps. You may otherwise damage the
vehicle electronics.
X Switch off all electrical consumers (e.g.
radio, blower, etc.).
X Connect the positive terminal clamp and
secure the cover.
X Connect the negative terminal clamp.
X Put the filter box back in place, then clip in
and close the retaining clamps.
X Close the bonnet.
i If the power supply has been interrupted,
e.g. if you reconnect the battery, you will
have to:
R set the clock (Y page 244).
R reset the function for folding the exterior
mirrors in/out automatically, by folding
the mirrors out once (Y page 117) Charging the battery
G
WARNING
Only charge the battery in a well-ventilated
area. As the battery is being charged, gases
can escape and generate minor explosions.
This could injure you and other persons or
cause damage to the paintwork or acid cor-
rosion on the vehicle.
You can obtain information on battery charg-
ers which allow the battery to be charged
while still installed from a qualified specialist
workshop. G
WARNING
There is a risk of acid burns during the charg-
ing process due to the gases which escape 352
BatteryBreakdown assistance