Page 5 of 435

ContentsSafety and Security........................... 57
Occupant safety................................... 58
Airbags ........................................... 59
Seat belts ....................................... 64
Preventive occupant safety
(PRE-SAFE) ..................................... 68
Children in the vehicle.................... 69
Override switch for rear passenger
compartment.................................. 74
Panic alarm .......................................... 76
Activating ....................................... 76
Deactivating ................................... 76
Driving safety systems ......................... 77
ABS ................................................ 77
BAS ................................................ 78
ESP................................................. 79
Four wheel electronic traction
system (4MATIC) with the ESP ....... 82
Anti-theft systems................................ 83
Immobilizer..................................... 83
Anti-theft alarm system .................. 83
Tow-away alarm ............................. 85
Controls in detail............................... 87
Locking and unlocking ......................... 88
SmartKey ....................................... 88
SmartKey with KEYLESS-GO* ........ 91
Opening the doors from the inside . 96
Opening the trunk lid from the
outside ........................................... 97
Opening the trunk lid from the
inside ............................................. 97
Closing the trunk lid ....................... 98
Trunk lid opening/closing system* 99
Trunk lid emergency release ........ 104
Separately locking the trunk lid ... 105
Separately unlocking the trunk lid 105
Power closing assist for doors and
trunk lid........................................ 106
Automatic central locking ............ 106
Locking and unlocking from the
inside ........................................... 107
Seats ................................................. 108
Easy-entry/exit feature ................ 108
Removing and installing front seat
head restraints ............................. 109Rear seat head restraints ............. 110
Lumbar support ........................... 112
Multicontour backrest*................ 112
Drive-dynamic seat* .................... 113
Seat heating*............................... 114
Seat ventilation* .......................... 117
Rear seats .................................... 118
Memory function ............................... 121
Storing positions into memory ..... 122
Recalling positions from memory. 122
Storing exterior rear view mirror
parking position ........................... 122
Lighting ............................................. 124
Exterior lamp switch .................... 124
Combination switch ..................... 128
Hazard warning flasher ................ 128
Interior lighting ............................ 129
Courtesy lighting .......................... 130
Instrument cluster ............................. 131
Instrument cluster illumination .... 131
Coolant temperature gauge ......... 132
Trip odometer .............................. 132
Tachometer.................................. 133
Outside temperature indicator ..... 133
Page 29 of 435
28 At a glanceDoor control panel
Door control panel
Item
Page
1
Door handle
96
2
Memory function (for stor-
ing seat, exterior mirror,
and steering wheel set-
tings)
121
3
Seat heating*
Seat ventilation*
114
117
4
Seat adjustment
35
5
Exterior mirror adjustment
38,
174
6
Switches for opening/clos-
ing front door windows
195
Item
Page
7
Rear passenger compart-
ment override switch
74
8
Switches for opening/clos-
ing rear windows
195
9
Remote trunk lid release
switch
Trunk lid opening/closing
system* switch
97
99
Page 115 of 435
114 Controls in detailSeatsActivating
Press button1.
The indicator lamp in the switch comes
on and the following message appears
in the multifunction display for five sec-
onds: Deactivating
Press button1 again.
The indicator lamp in the button goes
out.
The message:DRIV. DYN. SEAT ADJ.
DRIVER
OFF appears in the multifunction display.
Seat heating*
Vehicles without seat ventilation*
The switch is located on the door.
1Normal heating
2Rapid heating
Switch on ignition.
Switching on seat heating
Press switch1.
A red indicator lamp above the switch
comes on.
iYou can adjust the characteristics of
the drive-dynamic seat using the con-
trol system (
page 163).
iWhen the engine is turned off, the last
cushion setting retained in memory.
The cushion is automatically adjusted
to this setting when the engine is re-
started.
Page 116 of 435

115 Controls in detailSeats
Switching off seat heating
Press switch1 again.
Switching on rapid seat heating
Press switch2.
Both red indicator lamps above the
switch come on. Switching off rapid seat heating mode
Press switch2 again. Vehicles with seat ventilation*
The switch is located on the door. The red
indicator lamps on the switch show the
heating level selected:
1Seat heating switch
Switch on ignition.
iThe seat heating will be automatically
switched off after approximately
30 minutes. iThe system switches over to normal
heating mode after approximately
five minutes. Only the right-hand indi-
cator lamp remains lit.
!If one or both of the lamps on the seat
heating switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heating switches off auto-
matically.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Leveloff
No indicator lamp on
1
One indicator lamp on
2
Two indicator lamps on
Page 117 of 435
116 Controls in detailSeatsSwitching on seat heating
Press switch1 twice.
A red indicator lamp above the switch
comes on.
Switching off seat heating
Press switch1 again. Switching on rapid seat heating
Press switch1 once.
Both indicator lamps above the switch
come on. Switching off rapid seat heating mode
Press switch1 twice.
iThe seat heating will be automatically
switched off after approximately
30 minutes.
iThe system switches over to normal
heating mode after approximately
five minutes. Only the right-hand indi-
cator lamp remains lit.
!If one or both of the lamps on the seat
heating switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heating switches off auto-
matically.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 193 of 435

192 Controls in detailAutomatic climate controlVentilated storage compartment (except S 55 AMG)
The storage compartment under the front
armrest (
page 233) can be ventilated
when the automatic air conditioning is
switched on. The switch is located inside
the storage compartment in the front. The
air temperature is about the same as that
of the center air vents.
The air volume dependent on the setting
of:
Air distribution control
Air volume control
Air vents in the dashboard
The air temperature is about the same as
that of the dashboard air vents. It cannot
be regulated separately.Switching ventilation on
Open the storage compartment in front
of the armrest, see “Storage compart-
ment in front of armrest” (
page 232).
Push upper portion of switch.
Switching ventilation off
Open the storage compartment in front
of the armrest, see “Storage compart-
ment in front of armrest” (
page 232).
Push lower portion of switch. Rear passenger compartment adjust-
able air vents
Rear center console air vents
1Left center air vent, adjustable
2Right center air vent, adjustable
3Thumbwheel for center air vents with
adjustable booster blower
!Do not obstruct the air vent in the stor-
age compartment.iThe compartment can get very warm
due to its confined space. When storing
heat sensitive objects in the compart-
ment, close the air vent while heating
the passenger compartment.
Page 234 of 435
233 Controls in detail
Useful features
Storage compartment below the front
armrest
The buttons are located under the cushion
of the armrest.
1Button to open storage compartment
(except S 55 AMG)
2Button to open storage trayOpening storage compartment
(except S 55 AMG)
Press button1 and lift the armrest lid.Opening storage tray
The tray contains a coin holder.
Press button2 and lift the armrest.
iThe storage compartment can be heat-
ed or cooled.
The compartment can get very warm
due to its confined space. When storing
heat-sensitive objects in the compart-
ment, close the air vent (
page 192)
while heating the passenger compart-
ment.
!Do not obstruct the air vent in the stor-
age compartment.
!Do not store any objects under the
storage tray.
Do not let bank cards, credit cards, or
other cards with a magnetic strip come
near the storage tray, as a magnet built
into the tray could erase or change the
information on the card.
Page 240 of 435

239 Controls in detail
Useful features
Rear door ashtray
Opening ashtray
Lightly touch the back of the ashtray.
Removing ashtray insert
Pull the ashtray back slightly and re-
move the insert (see arrows).
Reinstalling the ashtray insert
Position the insert and press down
while sliding forward.
Cigarette lighters
1Center console cigarette lighter
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should come on.
Push in cigarette lighter1.
The lighter will pop out automatically
when hot.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with KEYLESS-GO* with you and
lock your vehicle. Do not leave children un-
attended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.iThe lighter socket can be used to ac-
commodate electrical accessories up
to a maximum 85 W.