Page 5 of 498

ContentsSafety and Security...........................  63
Occupant safety...................................  64
Air bags ..........................................  65
Seat belts .......................................  70
Active head restraints ....................  74
Children in the vehicle ....................  75
Blocking of rear door window 
operation ........................................  82
Panic alarm ..........................................  83
Activating .......................................  83
Deactivating ...................................  83
Driving safety systems .........................  84
ABS ................................................  84
BAS ................................................  86
ESP
®..............................................  86
Electro-hydraulic brake system ......  89
Anti-theft systems................................  93
Immobilizer.....................................  93
Anti-theft alarm system ..................  93
Tow-away alarm .............................  95
Controls in detail...............................  97
Locking and unlocking .........................  98
SmartKey .......................................  98
SmartKey with KEYLESS-GO* ......  103
Opening the doors from the inside 111
Opening the trunk ........................  112
Closing the trunk..........................  114
Trunk emergency release .............  120
Valet locking ................................  121
Automatic central locking ............  122
Locking and unlocking from 
the inside .....................................  122
Seats .................................................  124
Front seat active head restraint ...  124
Rear seat head restraints .............  124
Lumbar support............................  125
Multicontour seat* .......................  126
Drive - Dynamic seat* with 
multicontour features...................  127
Seat heating* ...............................  128
Seat ventilation* ..........................  130Memory function ...............................  131
Storing positions into memory .....  132
Recalling positions from memory.  132
Storing exterior rear view mirror 
parking position ...........................  133
Lighting .............................................  134
Exterior lamp switch ....................  134
Combination switch .....................  138
Corner-illuminating front fog lamps* 
(CLS with Bi-Xenon* headlamps) .  139
Hazard warning flasher ................  140
Interior lighting in the front ..........  141
Interior lighting in the rear ...........  142
Door entry lamps .........................  143
Trunk lamp ...................................  143
Instrument cluster .............................  144
Instrument cluster illumination ....  144
Coolant temperature indicator .....  145
Trip odometer ..............................  146
Tachometer..................................  146
Outside temperature indicator .....  146 
     
        
        Page 33 of 498
32 At a glanceDoor control panel
Item
Page
1
Inside door handle
111
2
Seat adjustment
40
3
Memory function (for stor-
ing seat, exterior mirror and 
steering wheel settings)
131
4
Exterior rear view mirror ad-
justment
44
5
Switches for opening/clos-
ing front and rear side win-
dows, rear window override 
switch 
214
6
Remote trunk release 
switch, Trunk opening/clos-
ing system*
113 
     
        
        Page 41 of 498

40 Getting startedAdjustingSeat adjustment
The seat adjustment switches are located 
on the front doors.
1Seat fore and aft adjustment
2Backrest tilt
3Head restraint height
4Seat height
5Seat cushion tilt
Switch on the ignition (
page 36).
or
Open the respective door.Seat fore and aft adjustment
Press the switch forward or backward 
in the direction of arrow1.
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 
direction of arrow5 until your upper 
legs are lightly supported.
Backrest tilt
Press the switch forward or backward 
in the direction of arrow2 until your 
arms are slightly angled when holding 
the steering wheel.
Seat height
Press the switch up or down in the 
direction of arrow4.
iThe memory function (
page 131) lets 
you store the settings for the seat posi-
tion together with the setting for the 
steering wheel and the exterior rear 
view mirrors.
!When moving the seat, make sure 
there are no items in the footwell or be-
hind the seats. Otherwise you could 
damage the seats. 
     
        
        Page 43 of 498

42 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 36).
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.Easy-entry/exit feature
This feature allows for easier entry into and 
exit from the vehicle. When entering and 
exiting the vehicle, the steering wheel is in 
its uppermost position.
The easy-entry/exit feature can be activat-
ed or deactivated in the 
Convenience
 sub-
menu of the control system (
page 168).
iThe memory function (
page 131) 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
You must make sure no one can become 
trapped or injured by the moving steering 
wheel when the easy-entry/exit feature is 
activated.
To cancel steering wheel movement, do one 
of the following:
Move steering column stalk 
(page 42).
Press one of the memory position but-
tons or the memory buttonM 
(page 132). 
     
        
        Page 46 of 498

45 Getting started
Adjusting
The buttons are located on the driver’s 
door.
1Passenger-side exterior rear view mir-
ror button
2Adjustment button
3Driver’s side exterior rear view mirror 
button
Switch on the ignition (
page 36).
Press button3 for the driver’s side 
exterior rear view mirror or button1 
for the passenger-side exterior rear 
view mirror.
Push adjustment button2 up, down, 
left or right according to the desired 
setting.
For more information, see “Activating exte-
rior rear view mirror parking position” 
(
page 192).
For more information, see “Rear view mir-
rors” (
page 191).
!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 131) 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 exte-
rior rear view mirrors will be heated 
automatically. 
     
        
        Page 98 of 498
97 Controls in detail
Locking and unlocking
Seats
Memory function
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
4-zone automatic climate control
Power windows
Power tilt /sliding sunroof
Driving systems
Loading
Useful features 
     
        
        Page 129 of 498

128 Controls in detailSeatsDrive-dynamic features
Activating
Press button1 (
page 127).
The indicator lamp in the button comes 
on and the following display appears in 
the multi-function display for about 
5 seconds.Deactivating
Press button1 (
page 127) again.
The indicator lamp in the button goes 
out.
Massage function (PULSE)
The massage function can help prevent 
muscle tension during long drives.
Press button3 (
page 127).
The indicator lamp in button3 comes 
on. The air cushions in the lumbar area 
pulsate.
Seat heating*
Both switches for the front seats are locat-
ed in the center console. The red indicator 
lamps in the switch come on to show 
which heating level you have selected.
1Front seat heating switch
Switch on the ignition (
page 36).
iYou can adjust the characteristics of 
the Drive - Dynamic seat using the con-
trol system (
page 170).
iWhen the engine is turned off, the last 
cushion setting is retained in memory. 
The cushion is automatically adjusted 
to this setting when the engine is re-
started.iThe massage function turns off 
automatically after approximately 
5 minutes. 
     
        
        Page 132 of 498

131 Controls in detail
Memory function
Memory function
Prior to operating the vehicle, the driver 
should check and adjust the seat height, 
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate 
control, reach and comfort. The head re-
straint should also be adjusted for proper 
height. See also the section on air bags 
(page 65) for more information on prop-
er seat positioning.
In addition, adjust the steering wheel to 
ensure adequate control, reach, operation 
and comfort. Both the interior and exterior 
rear view mirrors should be adjusted for 
adequate rear vision.
Fasten seat belts. Infants and small chil-
dren should be seated in a properly se-
cured restraint system that complies with 
U.S. Federal Motor Vehicle Safety Stan-
dards 213 and 225 and Canadian Motor 
Vehicle Safety Standards 213 and 210.2.With the memory function you can store up 
to three different settings.
The following settings are stored when 
using the buttons on the driver’s door:
Driver’s seat, backrest and head 
restraint position 
Settings for multicontour seat*
Steering wheel position
Exterior rear view mirror positionThe following settings are stored when 
using the buttons on the front passenger 
door:
Front passenger seat, backrest and 
head restraint position
Settings for multicontour seat*Warning!
G
Do not activate the memory function while 
driving. Activating the memory function 
while driving could cause the driver to lose 
control of the vehicle.