Page 6 of 506

ContentsSafety and Security...........................  59
Occupant safety...................................  60
 Air bags .........................................  61
Seat belts .......................................  67
Children in the vehicle ....................  71
Blocking of rear door window 
operation ........................................  83
Panic alarm ..........................................  84
Activating .......................................  84
Deactivating ...................................  84
Driving safety systems .........................  85
ABS ................................................  85
BAS ................................................  87
ESP .................................................  87
SBC brake system ..........................  90
Four wheel electronic traction 
system (4MATIC) with the ESP .......  93
Anti-theft systems................................  94
Immobilizer.....................................  94
Anti-theft alarm system ..................  94
Tow-away alarm .............................  95
Controls in detail...............................  97
Locking and unlocking .........................  98
SmartKey .......................................  98
SmartKey with KEYLESS-GO* ......  102
Opening the doors from 
the inside .....................................  109
Opening the trunk ........................  110
Closing the trunk..........................  112
Trunk lid emergency release ........  117
Automatic central locking ............  118
Locking and unlocking from 
the inside .....................................  119
Seats .................................................  121
Easy-entry/exit feature ................  121
Removing and installing front 
seat head restraints .....................  123
Rear seat head restraints .............  124
Drive - Dynamic seat* with 
multicontour features...................  126
Seat heating* ...............................  127
Seat ventilation* ..........................  128Memory function ...............................  130
Storing positions into memory .....  131
Recalling positions from memory .  131
Storing exterior rear view mirror 
parking position ...........................  132
Lighting .............................................  133
Exterior lamp switch ....................  133
Combination switch .....................  137
Hazard warning flasher ................  138
Interior lighting in the front ..........  139
Door entry lamps .........................  140
Interior lighting in the rear ...........  141
Trunk lamp ...................................  141
Instrument cluster .............................  142
Instrument cluster illumination ....  142
Coolant temperature indicator .....  143
Trip odometer ..............................  143
Tachometer ..................................  144
Outside temperature indicator .....  144 
     
        
        Page 32 of 506
30 At a glanceDoor control panel
Item
Page
1
Door handle
109
2
Seat adjustment
38
3
Memory function (for stor-
ing seat, exterior mirror 
and steering wheel set-
tings)
130
4
Exterior rear view mirror 
adjustment
41
5
Switches for opening/ 
closing front and rear side 
windows, rear window 
override switch 
218
6
Remote trunk lid release 
switch, Trunk lid open-
ing/closing system*
111 
     
        
        Page 40 of 506

38 Getting startedAdjustingSeat adjustment
The seat adjustment switches are located 
on the front doors.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat fore and aft adjustment
5Backrest tilt
Switch on the ignition (
page 33). 
or
Open the respective door.Seat fore and aft adjustment
Press the switch forward or backward 
in the direction of arrow4.
Adjust a comfortable seating position 
that still allows you to reach the accel-
erator/brake pedal safely. The position 
should be as far to the rear as possible, 
consistent with ability to properly oper-
ate controls.Seat cushion tilt
Press the switch up or down in the di-
rection of arrow3 until your upper 
legs are lightly supported.
Backrest tilt
Press the switch forward or backward 
in the direction of arrow5 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.
iWhen moving the seat, be sure there 
are no items in the footwell or behind 
the seats. Otherwise you could damage 
the seats.
The memory function (
page 130) lets 
you store the setting for the seat posi-
tion together with the setting for the 
steering wheel and the exterior rear 
view mirrors. 
     
        
        Page 42 of 506

40 Getting startedAdjustingSteering 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 the ignition (
page 33).
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 stalk up or down in the direction 
of arrow2.
Make sure your legs can move freely 
and that all the displays (incl. malfunc-
tion and indicator lamps) on the instru-
ment cluster are clearly visible.
For more information, see “Heated steer-
ing wheel*”(
page 270). 
Mirrors
Adjust the interior and exterior rear view 
mirrors before driving so that you have a 
good view of the road and traffic condi-
tions.
iThe memory function (
page 130) lets 
you store the setting for the seat posi-
tion together with the setting for the 
steering wheel and the exterior rear 
view mirrors. 
Warning!
G
In the case of an accident liquid electrolyte 
may escape the mirror housing if the mirror 
glass breaks.
Electrolyte has an irritating effect. Do not al-
low the liquid to come into contact with 
eyes, skin, clothing, or respiratory system. 
In case it does, immediately flush affected 
area with water, and seek medical help if 
necessary.!Electrolyte drops coming into contact 
with the vehicle paint finish can only be 
completely removed while in their liq-
uid state and by applying plenty of wa-
ter. 
     
        
        Page 44 of 506
42 Getting startedAdjustingFor more information, see “Activating exte-
rior rear view mirror parking position” 
(page 187).For more information, see “Rear view mir-
rors” (
page 186). 
!If an exterior rear view mirror was forc-
ibly pushed forward (hit from the rear) 
or forcibly pushed rearward (hit from 
the front), reposition it by applying firm 
pressure until it snaps into place. The 
mirror housing is now properly posi-
tioned and you can adjust the mirror 
normally.iThe memory function (
page 130) lets 
you store the setting for the seat posi-
tion together with the setting for the 
steering wheel and the exterior rear 
view mirrors. 
At low ambient temperatures, the mir-
rors will be heated automatically.
iAt low ambient temperatures, the exte-
rior rear view mirrors will be heated au-
tomatically. 
     
        
        Page 99 of 506
97 Controls in detail
Locking and unlocking
Seats
Memory function
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
Dual-zone automatic climate control
4-zone automatic climate control*
Power windows
Power tilt /sliding sunroof*
Panorama roof with power tilt/sliding panel*
Driving systems
Loading
Useful features 
     
        
        Page 123 of 506

121 Controls in detailSeats
Seats
For more information on seat adjustment, 
see the “Getting started” section 
(page 38).
Easy-entry/exit feature
This feature allows for easier entry into and 
exit from the vehicle.
The easy-entry/exit feature can be activat-
ed or deactivated in the 
Convenience
 sub-
menu of the control system (
page 167).When exiting the vehicle, with the 
easy-entry/exit feature activated and de-
pending on your selection, the steering 
wheel tilts upwards and/or the driver’s 
seat moves a few inches to the rear when 
you:
remove the SmartKey from the starter 
switch,
or
open the driver’s door with the 
SmartKey in starter switch position 0 
or 1 or the KEYLESS-GO* start/stop 
button (
page 35) in position 1.
Warning!
G
You must make sure no one can become 
trapped or injured by the moving steering 
wheel and driver’s seat when the easy-en-
try/exit feature is activated.
To cancel seat/steering wheel movement, 
do one of the following:
Press seat adjustment switch 
(page 30).
Move steering column stalk 
(page 40).
Press one of the memory position but-
tons (
page 131).
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. 
     
        
        Page 124 of 506

122 Controls in detailSeats
When entering the vehicle, with the 
easy-entry/exit feature activated, the 
steering wheel or, depending on your se-
lection, the steering wheel and driver’s 
seat will return to their last set memory po-
sition or a factory-set maximum forward 
position when you:
close the driver’s door with the ignition 
switched on
insert the SmartKey in starter switch or 
press the KEYLESS-GO* start/stop 
button (
page 35) once with the driv-
er’s door closed.
iIf the current position for the steering 
wheel is in the uppermost tilt position, 
the steering wheel will no longer be 
able to move upward when the 
easy-entry/exit feature is activated.
If the current seat position falls into a 
factory-set position range and the 
sytem recognizes the current seat posi-
tion to be rearward enough for easy en-
try and exit, the driver’s seat will not 
move to the rear when the 
easy-entry/exit feature is activated.
iFor safety reasons, the driver’s seat will 
not return to its last set position with 
the easy-entry/exit feature activated if 
the system recognizes the last set posi-
tion as an extreme forward position. In-
stead, the driver’s seat will remain at or 
move to a factory-set maximum for-
ward position. To again fully return the 
driver’s seat to your last set position or 
to memory position, adjust the seat to 
the desired position or press and hold 
the respective memory position button 
(page 131).