ContentsSafety and Security........................... 63
Occupant safety................................... 64
Air bags .......................................... 66
Occupant Classification System
(USA only) ...................................... 71
BabySmart
TM air bag deactivation
system (Canada only) ..................... 76
Seat belts ....................................... 78
Preventive occupant safety
(PRE-SAFE®) ................................... 82
Active head restraints .................... 83
Children in the vehicle .................... 84
Blocking of
rear door window operation ........... 89
Panic alarm .......................................... 90
Activating ....................................... 90
Deactivating ................................... 90
Driving safety systems ......................... 91
ABS ................................................ 91
BAS ................................................ 92
Adaptive Brake ............................... 93
EBP................................................. 93
ESP
®............................................... 94Anti-theft systems ............................... 99
Immobilizer .................................... 99
Anti-theft alarm system.................. 99
Controls in detail............................. 101
Locking and unlocking ....................... 102
SmartKey ..................................... 102
SmartKey with KEYLESS-GO* ...... 105
Checking batteries in the
SmartKey or SmartKey with
KEYLESS-GO* .............................. 110
Loss of the SmartKey or
SmartKey with KEYLESS-GO* ...... 110
Opening the doors
from the inside ............................. 111
Opening the trunk ........................ 112
Closing the trunk.......................... 113
Trunk emergency release ............. 116
Valet locking ................................ 117
Automatic central locking ............ 118
Locking and unlocking
from the inside ............................. 118 Seats ................................................ 120
Front seat active head restraints . 120
Rear seat head restraints ............. 120
Lumbar support ........................... 121
Multicontour seat*....................... 122
Seat heating*............................... 123
Seat ventilation* .......................... 124
Memory function ............................... 125
Storing positions into memory ..... 126
Recalling positions from memory. 126
Storing exterior rear view mirror
parking position ........................... 127
Lighting ............................................. 128
Exterior lamp switch .................... 128
Combination switch ..................... 132
Corner-illuminating
front fog lamps* (CLS 550 with
Bi-Xenon* headlamps only).......... 132
Hazard warning flasher ................ 134
Interior lighting in the front .......... 135
Interior lighting in the rear ........... 136
Door entry lamps ......................... 137
Trunk lamp ................................... 137
34 At a glanceDoor control panel
Item
Page
1
Inside door handle
111
2
Seat adjustment
42
3
Memory function (for stor-
ing seat, exterior mirror and
steering wheel settings)
125
4
Exterior rear view mirror ad-
justment
47
5
Switches for opening/clos-
ing front and rear side win-
dows, rear window override
switch
207
6
Remote trunk release
switch, trunk opening/clos-
ing system*
113
42 Getting startedAdjusting
Seat 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 38).
or
Open the respective door.Seat fore and aft adjustment
Press the switch forward or backward
in the direction of arrow1.
Warning!
G
According to accident statistics, children
are safer when properly restrained in the
rear seating positions than in the front seat-
ing position. Thus, we strongly recommend
that children be placed in the rear seats
whenever possible. Regardless of seating
position, children 12 years old and under
must be seated and properly secured in an
appropriate infant or toddler restraint, or
booster seat recommended for the size and
weight of the child. For additional informa-
tion, see “Children in the vehicle”
(page 84).
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.
i
The memory function (
page 125) lets you
store the settings for the seat position together
with the settings for the steering wheel and the
exterior rear view mirrors.
!
When moving the seat, make sure there are
no items in the footwell or behind the seats. Oth-
erwise you could damage the seats.
i
Depending on the set height of the head re-
straint, the seat fore and aft position is automat-
ically pre-set.
45 Getting started
Adjusting
Adjusting steering column up or down
Move stalk in direction of arrows2.
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 166).With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you
close the driver’s door with the ignition
switched on
or
insert the SmartKey into the starter
switch or press the KEYLESS-GO*
start/stop button (
page 39) once
with the driver’s door closed
i
The memory function (
page 125) lets you
store the setting for the seat position 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 stop steering wheel movement, do one of
the following:
Move steering wheel adjustment stalk
(page 44).
Press one of the memory position but-
tons or the memory buttonM
(page 126).
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.
i
The last set steering wheel position is stored
when
the ignition is switched off
the position is stored in memory
(page 125)
47 Getting started
Adjusting
Interior rear view mirror
Manually adjust the interior rear view
mirror.
For more information, see “Rear view mir-
rors” (
page 185).
Exterior rear view mirrorsThe 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 38).
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 187).
For more information, see “Rear view mir-
rors” (
page 185).
Warning!
G
Exercise care when using the passen-
ger-side exterior rear view mirror. The mirror
surface is convex (outwardly curved surface
for a wider field of view). Objects in mirror
are closer than they appear. Check your
interior rear view mirror or glance over your
shoulder before changing lanes.
!
If an exterior rear view mirror was forcibly
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.
i
The memory function (
page 125) lets you
store the setting for the seat position together
with the setting for the steering wheel and the
exterior rear view mirrors.
At low ambient temperatures, the exterior rear
view mirrors will be heated automatically.
101 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
125 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 66) 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.
Each stored position on the driver’s side in-
cludes the following settings:
Seat position and lumbar support
Multicontour seat*: previously saved
setting
Steering wheel position
Exterior rear view mirror positionsEach stored position on the passenger side
includes the following settings:
Seat position and lumbar support
Multicontour seat*: previously saved
settingWarning!
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.
126 Controls in detailMemory functionMMemory button
1, 2, 3Stored position button
Switch on the ignition (
page 38).
or
Open the respective door.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 41).
Press memory buttonM.
Release memory buttonM and press
memory position button 1, 2 or 3 with-
in 3 seconds.
All the settings are stored to the select-
ed position.
Recalling positions from memory
Press and hold memory position
button1, 2 or3 until the seat, steering
wheel and exterior rear view mirrors
have completely moved to the stored
positions.
!
Do not operate the power seats using the
memory button if the seat backrest is in an ex-
cessively reclined position. Doing so could cause
damage to front or rear seats.
First move seat backrest to an upright position.
i
Releasing the memory position button stops
movement to the stored positions immediately.
The multicontour seat* will continue to be ad-
justed.