ContentsSafety and Security........................... 57
Occupant safety................................... 58
Airbags ........................................... 59
Seat belts ....................................... 64
Roll bars ......................................... 68
Children in the vehicle .................... 69
Blocking of rear side
window operation ........................... 74
Panic alarm .......................................... 75
Activating ....................................... 75
Deactivating ................................... 75
Driving safety systems ......................... 76
ABS ................................................ 77
BAS ................................................ 78
ESP ................................................. 79
Anti-theft systems................................ 82
Immobilizer..................................... 82
Anti-theft alarm system .................. 83
Tow-away alarm ............................. 84
Controls in detail............................... 87
Locking and unlocking ......................... 88
SmartKeys...................................... 88
SmartKey with KEYLESS-GO* ........ 91
Opening the doors
from the inside ............................... 97
Opening the trunk .......................... 98
Closing the trunk.......................... 100
Trunk lid
opening/closing system* ............ 100
Trunk lid emergency release ........ 105
Separately locking the trunk ........ 106
Separately unlocking the trunk .... 107
Automatic central locking ............ 107
Locking and unlocking
from the inside ............................. 108
Seats ................................................. 109
Easy-entry/exit feature ................ 109
Removing and installing
front seat head restraints............. 110
Rear seats head restraints ........... 111
Multicontour seat* ....................... 112
Seat ventilation* .......................... 113
Seat heating* ............................... 114Memory function ............................... 116
Storing positions into memory ..... 117
Recalling positions from memory . 117
Storing exterior rear view
mirror parking position ................ 118
Lighting ............................................. 119
Exterior lamp switch .................... 119
Combination switch ..................... 123
Hazard warning flasher ................ 123
Interior lighting ............................ 124
Door entry lamps ......................... 125
Instrument cluster ............................. 126
Instrument cluster illumination .... 126
Coolant temperature indicator ..... 127
Trip odometer .............................. 127
Tachometer .................................. 127
Outside temperature indicator ..... 128
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Contents
Control system .................................. 129
Multifunction display .................... 129
Multifunction steering wheel ........ 130
Menus .......................................... 132
Standard display menu ................ 134
AUDIO menu ................................ 134
NAV menu .................................... 137
Distronic* menu........................... 137
Malfunction memory menu .......... 138
Settings menu .............................. 139
Trip computer menu..................... 152
TEL menu* ................................... 154
Automatic transmission ..................... 157
One-touch gearshifting................. 158
Gear ranges ................................. 159
Gear selector lever position ......... 160
Steering wheel gearshift control
(Speedshift) CLK 55 AMG ............ 161
Program mode selector switch..... 163
Accelerator position ..................... 163
Manual shift program
CLK 55 AMG ................................ 164
Emergency operation
(Limp Home Mode) ...................... 166Good visibility ..................................... 167
Windshield wipers ......................... 167
Headlamp cleaning system* ......... 167
Rear view mirror ........................... 168
Sun visors ..................................... 170
Rear window defroster .................. 171
Automatic climate control .................. 172
Setting the temperature................ 175
Adjusting air distribution............... 176
Adjusting air volume ..................... 177
Maximum cooling MAXCOOL ........ 177
Defrosting ..................................... 177
Air recirculation mode .................. 178
Charcoal filter ............................... 179
Deactivating the
climate control system ................. 180
Air conditioning............................. 181
Residual heat and ventilation* ...... 181
Rear passenger compartment
adjustable air vents....................... 182Audio system...................................... 183
Audio and telephone, operation .... 183
Operating safety ........................... 183
Sound system ............................... 183
Operating and display elements ... 184
Button and soft key operation ...... 186
Operation...................................... 186
Radio operation ............................ 189
Satellite radio (SAT)* (USA only)... 192
Cassette operation ....................... 196
CD changer* operation ................. 199
Telephone* operation ................... 203
Power windows .................................. 210
Opening and
closing the windows ..................... 210
Synchronizing power windows ...... 214
Soft top .............................................. 215
Opening and closing the soft top .. 215
Driving systems .................................. 226
Cruise control ............................... 226
Distronic* ..................................... 229
Parktronic (Parking assist)* .......... 241
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21 At a glance
Cockpit
Item
Page
1
Headlamp washer switch*
167
2
Combination switch
Turn signals
Windshield wipers
High beam
48
48
48
3
Cruise control lever
Cruise control
Distronic*
226
229
4
Multifunction steering
wheel
24,
130
5
Instrument cluster
22,
126
6
Lever for voice control
system*, see separate op-
erating instructions
7
Starter switch
31
Item
Page
8
Front Parktronic* warning
indicator
243
9
Overhead control panel
27
a
Glove box
250
b
Center console
25, 26
c
Hood lock release
287
d
Horn
e
Steering wheel adjustment
stalk
38
f
Parking brake pedal
46
g
Door control panel
28
h
Parking brake release
46
j
Exterior lamp switch
47,
119
k
Exterior rear view mirror
adjustment
39
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27 At a glance
Overhead control panel
Overhead control panel
Item
Page
1
Tele Aid (emergency call
system) button
257
2
Hands-free microphone for
Tele Aid (emergency call
system), telephone* and
voice control system* (see
separate operating instruc-
tions)
256
3
Temperature sensor for au-
tomatic climate control
172
Item
Page
4
Right reading lamp on/off
125
5
Interior lighting control
124
6
Rear view mirror
38,
168
7
Garage door opener
265
8
Left reading lamp on/off
125
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34 Getting startedAdjusting
AdjustingSeatsWarning!
G
All seat, head restraint, steering wheel, and
rear view mirror adjustments, as well as fas-
tening of seat belts, must be done before
the vehicle is put into motion.Warning!
G
Do not adjust the driver’s seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never ride in a moving vehicle with the seat
back reclined. Sitting in an excessively re-
clined position can be dangerous. You could
slide under the seat belt in a collision. If you
slide under it, the belt would apply force at
the abdomen or neck. That could cause se-
rious or fatal injuries. The seat back and seat
belts provide the best restraint when the
wearer is in an upright position and belts are
properly positioned on the body.
Your seat must be adjusted so that you can
correctly fasten your seat belt (
page 40).
Never place hands under the seat or near
any moving parts while a seat is being
adjusted.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with KEYLESS-GO* with you, and
lock your vehicle.
The power seats can also be operated with
the driver’s or passenger door open. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
Warning!
G
Children 12 years old and under must never
ride in the front seat, except in a
Mercedes-Benz authorized BabySmart
TM1
compatible child seat, which operates with
the BabySmart
TM system installed in the ve-
hicle to deactivate the passenger front air-
bag when it is properly installed. Otherwise
they will be struck by the airbag when it in-
flates in a crash. If this happens, serious or
fatal injury will result.
According to accident statistics, children
are safer when properly restrained in the
rear seating positions than in the front
seating positions. Infants and small children
must ride in back seats and be seated in an
appropriate infant or child restraint system,
which is properly secured with the vehicle’s
seat belt or lower anchors, fully in accor-
dance with the child seat manufacturer's
instructions.
1BabySmart
TM is a trademark of Siemens
Automotive Corp.
ProCarManuals.com
35 Getting started
Adjusting
Seat adjustment
The seat adjustment switches are located
in each door.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat fore and aft adjustment
5Backrest tilt
Turn the SmartKey in the starter switch
to position1 or2 (
page 31).
or
Press the KEYLESS GO* start/stop
button once or twice (
page 33).
or
Open the driver’s or passenger door.Seat fore and aft adjustment
Press the switch forward or backward
in the 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 to the rear
as possible, consistent with ability to
properly operate controls.
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.
iWhen moving the seat, make sure
there are no items in the footwell or be-
hind the seats. Otherwise you could
damage the seats.
The memory function (
page 116) lets
you store the setting for the seat posi-
tion together with the setting for the
steering wheel and the exterior rear
view mirrors.
ProCarManuals.com
38 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
Turn the SmartKey in the starter switch
to position1or2 (
page 31).
or
Press the KEYLESS GO* start/stop
button once or twice (
page 33).
or
Open the driver’s door.Adjusting steering column in or out
Move stalk forward or back in the direc-
tion of arrow 1 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 arrow 2.
Make sure your legs can move freely
and all the displays (incl. malfunction
and indicator lamps) on the instrument
cluster are clearly visible.
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.
Interior rear view mirror
Manually adjust the interior rear view
mirror.
For more information, see “Rear view mir-
ror” (page 168)
iThe memory function (
page 116) lets
you store the setting for the steering
wheel together with the setting for the
seat position and 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.
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39 Getting started
Adjusting
Exterior rear view mirror
The buttons are located above the exterior
lamp switch.1Adjustment button
2Passenger-side exterior rear view mir-
ror button
3Driver’s side exterior rear view mirror
button
Make sure the ignition is switched on.
All the lamps in the instrument cluster
come on.
Press button3 for the left mirror or
button2 for the right mirror.
Push adjustment button1 up, down,
left or right according to the desired
setting.For more information, see “Activating exte-
rior rear view mirror parking position”
(
page 169).
Warning!
G
Exercise care when using the passenger
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 in-
terior rear view mirror or glance over your
shoulder before changing lanes.!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
!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 116) lets
you store the setting for the exterior
rear view mirrors together with the set-
tings for the steering wheel and seat
position.
iAt low ambient temperatures, the mir-
rors will be heated automatically.
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