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
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
35 Getting started
Adjusting
Seat adjustment
The seat adjustment switches are located
on the front doors.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat cushion depth
5Seat fore and aft adjustment
6Seat backrest tilt
Switch on ignition.
or
Open the respective door.
Seat fore and aft adjustment
Press the switch forward or backward
in the direction of arrow5.
Adjust seat to a comfortable seating
position that still allows you to reach
the accelerator / brake pedal safely.
The position should be as far to the rear
as possible, consistent with ability to
properly operate controls.Seat cushion tilt
Press the switch up or down in the di-
rection of arrow3until your upper
legs are lightly supported.
Seat cushion depth
Press the switch forward or backward
in the direction of arrow4 until your
legs are supported comfortably.
Seat backrest tilt
Press the switch forward or backward
in the direction of arrow6 until your
arms are slightly angled when holding
the steering wheel.
Seat height
Press the switch up or down in the di-
rection of arrow2.
A child’s risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and
the child is not properly secured in the child
restraint.
iWhen moving the seat, make sure
there are no items in the footwell or be-
hind the seats. Otherwise you could
damage the seats.
The memory function (
page 121) lets
you store the setting for the seat posi-
tion together with the settings for the
steering wheel and the exterior rear
view mirrors.
37 Getting started
Adjusting
Steering wheel Steering wheel adjustment
The stalk for steering wheel adjustment is
located on the steering column (lower left).
1Adjusting steering column, in or out
2Adjusting steering column, up or down
Switch on ignition.
or
Open the driver’s door.Adjusting steering column in or out
Move stalk forward or back in the direc-
tion of arrow1 until a comfortable
steering wheel position is reached with
your arms slightly bent at the elbow.
Adjusting steering column up or down
Move the stalk up or down in the direc-
tion of arrow2.
Make sure your legs can move freely
and all the displays (incl. malfunction
and indicator lamps) on the instrument
cluster are clearly visible.
For more information, see “Heated steer-
ing wheel*” (
page 240).
Warning!
G
Do not adjust the steering wheel while driv-
ing. Adjusting the steering wheel while driv-
ing could cause the driver to lose control of
the vehicle.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with KEYLESS-GO
* with you and
lock your vehicle.
Even with the SmartKey removed from the
starter switch or the SmartKey with
KEYLESS-GO* removed from the vehicle,
the steering wheel adjustment feature can
be operated when the driver’s door is open.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.
iThe memory function (
page 121) lets
you store settings for the steering
wheel together with the settings for the
exterior rear view mirrors and the seat
position.
39 Getting started
Adjusting
The buttons are located on the driver’s
door.
1 Driver’s side exterior rear view mirror
button
2Passenger-side exterior rear view mir-
ror button
3Adjustment button
Switch on ignition.
Press button1 for the left mirror or
button2 for the right mirror.
Push adjustment button3 up, down,
left, or right according to the desired
setting.
For more information, see “Folding the ex-
terior mirrors in and out automatically”
(
page 176).
!For information on how to reposition
the exterior mirror housing when it was
forcibly pushed forward (hit from the
rear) or forcibly pushed rearward (hit
from the front), see “Folding the exteri-
or mirrors in and out manually”
(page 176).
iThe memory function (
page 121) lets
you store the setting for the exterior
rear view mirrors together with the set-
ting for the steering wheel and the seat
position.
At low ambient temperatures, the mir-
rors will be heated automatically.
87 Controls in detail
Locking and unlocking
Seats
Memory function
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
Automatic climate control
Power windows
Sliding/pop-up roof
Driving systems
Loading
Useful features
108 Controls in detailSeats
SeatsFor more information on seat adjustment,
see “Seat adjustment” (
page 35).
Easy-entry/exit feature
With the easy-entry/exit feature activated,
the steering wheel tilts upwards and the
driver’s seat moves to the rear.
This allows easier entry into and exit from
the vehicle when the driver’s door is
opened. However, the engine must be
turned off.
When the SmartKey is inserted in the start-
er switch or you have pressed the
KEYLESS-GO* start/stop button once and
the driver’s door is closed, the steering
wheel and the driver’s seat return to their
last set positions.You can activate the following functions:
Steering column
Only the steering column is adjusted.
Steering column and seat
The steering column and the seat are
adjusted.
The easy-entry/exit feature can be
switched on or off in the convenience sub-
menu of the control system (
page 160).
Warning!
G
You must ensure that no one can become
trapped or injured by the moving steering
wheel and driver’s seat when the
easy-entry / exit feature is activated, the
driver’s door is being opened, and the en-
gine is turned off or the SmartKey is re-
moved from the starter switch.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature*, which could result in an accident
and/or serious personal injury.
iTo cancel seat/steering wheel move-
ment, do one of the following:
Press the seat adjustment switch
(page 35)
Move the steering column stalk
(page 37)
Press the memory button
(page 121)
113 Controls in detailSeats
Lumbar region support
Press k or j on rocker
switch4.
This selects the air cushion you wish to
adjust.
Press æ or ç on rocker
switch4.
The air cushion inflates or deflates.
Side bolsters adjustment
Adjust the side bolsters so that they
provide good lateral support using
switch 2.Massage function (PULSE)
You can reduce muscle tension during long
trips by periodically using the massage
function.
Press button3.
The indicator lamp on button3 comes
on. The air cushions in the lumbar re-
gion inflate and deflate rhythmically.
Drive-dynamic seat*
The drive-dynamic seat automatically ad-
justs the lateral support provided by the
seat backrest to your driving style.
1Activate drive-dynamic function
The drive-dynamic seat electronically con-
trols the air pressure in the air chambers of
the seat backrest side bolsters. This func-
tion improves driving comfort and plea-
sure.
iWhen the engine is turned off, the last
cushion setting is retained in memory,
and the cushion is automatically ad-
justed to this setting when the engine
is restarted.
iThe massage function switches off au-
tomatically after approximately eight
minutes. The indicator lamp extinguish-
es.