ContentsSafety and Security........................... 61
Occupant safety................................... 62
Air bags .......................................... 63
Seat belts ....................................... 69
Active head restraint ...................... 73
Children in the vehicle .................... 74
Blocking of rear door window
operation ........................................ 85
Panic alarm* ........................................ 86
Activating ....................................... 86
Deactivating ................................... 86
Driving safety systems ......................... 87
ABS ................................................ 87
BAS ................................................ 88
ESP
®.............................................. 89
Four wheel electronic traction
system (4MATIC) with the ESP
®..... 92
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
Opening the doors from
the inside ..................................... 102
Opening the trunk ........................ 103
Closing the trunk.......................... 104
Trunk emergency release ............. 105
Valet locking ................................ 106
Automatic central locking ............ 107
Locking and unlocking from
the inside ..................................... 107
Seats ................................................. 109
Front seat active head restraints . 109
Rear seat head restraints ............. 109
Lumbar support*.......................... 112
Multicontour seats*
(Canada only) ............................... 113
Seat heating* ............................... 113
Memory function* ............................. 115
Storing positions into memory ..... 116
Recalling positions from memory . 116
Storing exterior rear view mirror
parking position ........................... 117Lighting ............................................. 118
Exterior lamp switch .................... 118
Combination switch ..................... 122
Corner-illuminating front fog lamps*
(C 280, C 350 4MATIC: with
Bi-Xenon* headlamps) ................. 123
Hazard warning flasher ................ 124
Interior lighting ............................ 125
Door entry lamps ......................... 126
Trunk lamp ................................... 126
Instrument cluster ............................. 127
Instrument cluster illumination .... 127
Coolant temperature gauge ......... 128
Trip odometer .............................. 128
Tachometer .................................. 129
Outside temperature indicator ..... 129
Control system .................................. 130
Multifunction display.................... 130
Multifunction steering wheel........ 131
Menus .......................................... 133
Standard display menu ................ 135
AUDIO menu ................................ 136
NAV* menu .................................. 138
Vehicle status message memory
menu............................................ 138
Settings menu .............................. 140
38 Getting startedAdjustingHead restraint tilt
Manually adjust the angle of the head
restraint.
Push or pull on the lower edge of the
head restraint cushion.
For more information, see “Seats”
(
page 109).Power seat* adjustment
The seat adjustment switches are located
on the respective front door.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat fore and aft adjustment
5Seat backrest tilt
Switch on the ignition (
page 33).
or
Open the respective door.Seat fore and aft adjustment
Press switch forward or backward in
direction of arrow4.
Adjust seat to a comfortable seating
position 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.iThe memory function* (
page 115)
lets you store the settings for the pow-
er seat*, the steering wheel adjust-
ment (electrical*) and the exterior rear
view mirrors.
115 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 63) for proper 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
Standards 213 and 225 and Canadian Mo-
tor Vehicle Safety Standards 213
and 210.2.With the memory function you can store up
to three different settings.
The following settings are stored for the
driver’s seat when using the buttons on the
driver’s door:
Driver’s seat, backrest and head
restraint position
Steering wheel position
Exterior rear view mirrorsThe following settings are stored for the
front passenger seat when using the but-
tons (if so equipped depending on vehicle
equipment configuration) on the passen-
ger door:
Front passenger seat, backrest and
head restraint positionWarning!
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.
116 Controls in detailMemory function*The memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on the ignition (
page 33).
or
Open the respective door.
Storing positions into memory
Adjust the seat, steering wheel and
exterior rear view mirrors to the
desired position (
page 35).
Turn memory position switch2 to the
desired memory position.
Press memory button1.
Release memory button1 and press
memory position switch2 within
3 seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Turn memory position switch2 to the
desired memory position.
Press and hold memory position
switch2 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 excessively reclined position.
Doing so could cause damage to front
or rear seats.iReleasing the memory position switch
stops movement to the stored
positions immediately.
117 Controls in detail
Memory function*
Storing exterior rear view mirror parking position
For easier parking, you can adjust the
passenger-side exterior rear view mirror so
that you can see the right rear wheel as
soon as you engage reverse gearR.
For information on activating the parking
position feature, see “Activating exterior
rear view mirror parking position*”
(page 172).1Memory button
2Adjustment button
3Passenger-side exterior rear view
mirror button
Stop the vehicle in a safe location.
Switch on the ignition (
page 33).
Press button3.
The passenger-side exterior rear view
mirror is selected.
Adjust the exterior rear view mirror
with button2 so that you see the rear
wheel and the road curb.
Press memory button1.
Within 3 seconds, press bottom of ad-
justment button2.
The parking position is stored if the
mirror does not move.iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.
142 Controls in detailControl systemThe table below shows what settings can
be changed within the various menus. Detailed instructions on making individual
settings can be found on the following
pages.Instrument cluster
Time/Date
Lighting
Vehicle
Convenience
Select speedometer
display mode
Time synchronization with head
unit*
Set daytime running lamp
mode (USA only)
Set automatic lock-
ing
Activate easy-entry/exit
feature
Select language
Set time (hours)
Set locator lighting
Set parking position for
exterior rear view mirror
Select display (speed
display or outside
temperature) for status
indicator
Set time (minutes)
Set night security
illumination
Select automatic time change
(Daylight Saving Time (DST)
summer/Standard time winter)
Set interior lighting de-
layed shut-off
Set date (month)Set date (day)Set date (year)
153 Controls in detail
Control system
Press buttonj ork repeatedly
until the message
Automatic door lk.
appears in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the automatic central locking
On or
Off
.Convenience submenu
Access the
Convenience
submenu via the
Settings
menu. Use the
Convenience
submenu to change the settings for a
number of convenience features.
The following functions are available:Activate easy-entry/exit feature*
Use this function to activate and
deactivate the easy-entry/exit feature
(
page 42).
Function
Page
Activate
easy-entry/exit feature*
153
Set parking position* for exterior
rear view mirror
154
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 41).
Press memory position switch*
(page 116).
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.
154 Controls in detailControl system
Move the selection marker with
buttonæ orç to the Convenience
submenu.
Press buttonj ork repeatedly
until the message
Easy-entry feature
appears in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the easy-entry feature
On or
Off
.Set parking position* for exterior rear
view mirror
Use the
Mirror set. parking aid
function
to select whether the passenger-side
exterior rear view mirror should be turned
downward during parking maneuvers when
reverse gearR is engaged. For additional
information, see “Activating exterior rear
view mirror parking position*”
(
page 172).
Move the selection marker with
buttonæ orç to the Convenience
submenu.
Press buttonj ork repeatedly
until the message
Mirror set.
parking aid
appears in the
multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
function
On or
Off
.