Page 4 of 376

ContentsSafety and Security...........................  55
Occupant safety...................................  56
Airbags ...........................................  57
Seat belts .......................................  61
Children in the vehicle ....................  65
Blocking of rear door window 
operation ........................................  71
Panic alarm* ..................................  72
Activating .......................................  72
Deactivating ...................................  72
Driving safety systems .........................  73
ABS ................................................  73
BAS ................................................  74
ESP .................................................  75
Four wheel electronic traction 
system (4MATIC*) with the ESP .....  78
Anti-theft systems................................  79
Immobilizer.....................................  79
Anti-theft alarm system ..................  79
Tow-away alarm .............................  80
Controls in detail...............................  83
Locking and unlocking .........................  84
Keys ...............................................  84
Opening the doors from the inside .  87
Opening the trunk from the inside .  88
Opening the trunk ..........................  88
Closing the trunk............................  89
Trunk lid emergency release ..........  89
Separately locking the trunk ..........  90
Separately unlocking the trunk ......  91
Automatic central locking ..............  91
Locking and unlocking 
from the inside ...............................  92
Seats ...................................................  93
Easy-entry/exit feature* ................  93
Head restraints ..............................  94
Multicontour seat* .........................  96
Heated seats* ................................  97
Memory function* ...............................  98
Storing positions into memory .......  99
Recalling positions from memory ...  99
Storing exterior rear view mirror 
parking position ...........................  100Lighting .............................................  101
Exterior lamp switch ....................  101
Combination switch .....................  104
Hazard warning flasher ................  104
Interior lighting ............................  105
Door entry lamps .........................  106
Trunk lamp ...................................  106
Instrument cluster .............................  107
Instrument cluster illumination ....  107
Coolant temperature display ........  108
Trip odometer ..............................  109
Tachometer ..................................  109
Outside temperature indicator .....  110
Control system ..................................  111
Multifunction display....................  111
Multifunction steering wheel........  112
Menus ..........................................  114
Standard display menu ................  116
AUDIO menu ................................  116
NAVI menu ...................................  118
Malfunction memory menu ..........  118
Settings menu ..............................  119
Trip computer menu.....................  132
TEL menu* ...................................  134
Manual transmission .........................  137
Shifting into reverse .....................  137 
     
        
        Page 28 of 376
28 At a glanceDoor control panel
Door control panel
Item
Page
1
Door handle
87
2
Memory function (for stor-
ing seat, mirror and steer-
ing wheel settings)
98
3
Seat adjustment*
32,
34, 93
4
Switches for opening/clos-
ing front door windows
187
5
Switch for rear door win-
dow override
71
6
Switches for opening/clos-
ing rear door windows
187
7
Remote trunk lid release 
switch
88 
     
        
        Page 34 of 376

34 Getting startedAdjusting1Release knob
Manually adjust the height of the head 
restraint by pulling it upward. To lower 
the head restraint, push release knob1 
and push down on the head restraint.
Head restraint tilt
Manually adjust the angle of the head 
restraint. Push or pull on the lower 
edge of the head restraint cushion.
More information can be found in the 
“Controls in detail” section (
page 93).Power seat*
Turn the key in the starter switch to 
position1 or2 .
or 
Open the driver’s or front passenger 
door.
The seat adjustment switches are located 
in each front door.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat fore and aft adjustment
5Backrest tiltSeat fore and aft adjustment
Press the switch forward or backward 
in the direction of arrow4.
Adjust to a comfortable seating posi-
tion that still allows you to reach the 
accelerator/brake pedal safely. The 
position should be as far rearward as 
possible, consistent with ability to 
properly operate controls.iWhen moving the seat, be sure that 
there are no items in the footwell or be-
hind the seat. Otherwise you could 
damage the seat.
With the memory function* 
(page 98), you can store seat 
positions together with settings for the 
steering wheel and the exterior rear 
view mirrors. 
     
        
        Page 38 of 376

38 Getting startedAdjusting
Steering wheel adjustment, electrical*
The stalk is located on the steering column 
(lower left).
1Steering column, lengthen or shorten
2Steering column, height
Turn the key in the starter switch to 
position1 or2.
or 
Open the driver’s door.Steering column, lengthen or shorten
Move stalk forward or backward in the 
direction of arrow1 until a comfortable 
steering wheel position is reached with 
your arms slightly bent at the elbow.
Steering column, height
Move stalk up or down in the direction 
of arrow2. Make sure that your legs 
can move freely and that all the dis-
plays (including malfunction and indi-
cator lamps) on the instrument cluster 
are clearly visible.
!Do not drive the vehicle until you have 
properly locked the steering column.
If the warning message 
STEERING 
WHEEL ADJUST - LOCK ! is displayed 
while the engine is running, the steer-
ing column is not locked properly 
(
page 276).
iWith the memory function* 
(page 98), you can store steering 
wheel positions together with settings 
for the seats and the exterior rear view 
mirrors. 
     
        
        Page 40 of 376
40 Getting startedAdjusting
Press button1 for the left mirror or 
button3 for the right mirror.
Push adjustment button2 up, down, 
left or right according to the setting de-
sired.
More information can be found in the 
“Controls in detail” section (
page 144).
!If an exterior rear view mirror housing 
is forcibly pushed forward or backward, 
reposition it by applying firm pressure 
until it snaps into place. The mirror 
housing is now properly positioned and 
you can adjust the mirror normally.
iWith the memory function* 
(page 98), you can store exterior rear 
view mirror positions together with 
settings for the seats and the steering 
wheel. 
     
        
        Page 83 of 376
83 Controls in detail
Locking and unlocking
Seats
Memory function*
Lighting
Instrument cluster
Control system
Manual transmission
Automatic transmission*
Good visibility
Climate control
Automatic climate control*
Audio system
Power windows
Sliding/pop-up roof*
Driving systems
Loading
Useful features 
     
        
        Page 93 of 376

93 Controls in detail
Seats
Seats
Information on seat adjustment can be 
found in the “Getting started” section 
(page 32).
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 and the driver’s door is closed, 
the steering wheel and the driver’s seat re-
turn 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 individual setting 
menu 
CONVENIENCE
 - EASY-ENTRY FEATURE 
ACTIVATE
 (page 129).
Warning!
G
You must make sure that no one can be-
come trapped or injured by the moving 
steering wheel and the 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 vehicle, or with 
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment may cause 
an accident and/or serious personal injury.
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 seat adjustment switch 
(page 28)
move steering column stalk 
(page 32)
press memory switch (
page 28) 
     
        
        Page 96 of 376

96 Controls in detailSeatsMulticontour seat*
Some models may be equipped with driv-
er’s multicontour seat. This seat has a 
movable seat cushion and inflatable air 
cushions built into the backrest to provide 
additional lumbar and side support.
The seat cushion movement, backrest 
cushion height and curvature can be con-
tinuously varied with regulators on the 
right side of the seat after turning the 
SmartKey in the starter switch to 
position2.1Seat cushion depth
2Backrest bottom
3Backrest center
4Side bolster adjustment
Adjusting the multicontour seat in the or-
der listed above is recommended.
Check that the ignition is switched on.
All lamps in the instrument cluster light 
up.The seat cushion movement, backrest 
cushion height and curvature can be con-
tinuously varied with regulators1, 2 and3.
The side bolsters of the backrest can be 
adjusted with rocker switch4.
Press to the left.
Side support will be increased.
Press to the right.
Side support will be decreased.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.