Page 25 of 498
23 At a glance
Cockpit
Item
Page
1
Steering wheel gearshift
buttons
(CLK 500, CLK 55 AMG)
172
2
Combination switch
Turn signals
Windshield wipers
High beam
51
52
51
3
Cruise control lever
255
4
Multifunction steering
wheel
26,
138
5
Instrument cluster
24,
134
6
Lever for voice control
system*, see separate op-
erating instructions
7
Starter switch
34
8
Front Parktronic* warning
indicator
262
Item
Page
9
Overhead control panel
29
a
Glove box
272
b
Cup holder
275
c
Center console
27, 28
d
Hood lock release
308
e
Horn
f
Steering wheel adjustment
stalk
40
g
Parking brake pedal
49
h
Door control panel
30
j
Parking brake release
49
k
Exterior lamp switch
50,
124
l
Exterior rear view mirror
adjustment
41
m
Headlamp washer switch*
178
Page 229 of 498

227 Controls in detail
Audio system
Operating the single CD player in the
audio system unit
Loading a CD
The single CD player in the audio system
unit has capacity for one CD. The CD slot
for loading the drive is located underneath
the soft keys.
Make sure the system is switched on.
Insert CD into CD slot. The label side of
the CD must face upwards.
The system automatically pulls the CD
into the CD slot. The audio CD begins
to play.Ejecting a CD
Make sure the system is switched on.
Press EJECTbutton.
The system ejects the CD.
NO CD
will
appear in the display.
Remove CD from slot.Operational readiness of CD changer*
If a CD changer* has been installed in the
vehicle, it can be operated from the front
control panel of the audio system. A load-
ed magazine must be installed to play CDs.
The CD changer is located in the glove box.
Loading/unloading the CD magazine
Slide changer door to the right and
press gbutton.
Magazine will be ejected.
!If a CD is already loaded, it must be
ejected before inserting a new CD. In-
serting a second CD in the slot with an-
other CD still loaded will cause damage
to the CD drive not covered by the
Mercedes-Benz Limited Warranty.
iIf a CD has been inserted incorrectly or
cannot be read,
WRONG CD0
will appear
in the display.
iIf you do not take the CD out of the CD
slot within approx. 15 seconds, the sys-
tem automatically pulls the CD back in
and plays it.
If a CD is pulled back in, press
EJECTbutton for five seconds; the CD
will then be ejected.
iThe CD changer* may not be able to
play audio CDs with copy protection.
Page 274 of 498
272 Controls in detailUseful featuresStorage compartments Glove box
1Glove box
2Glove box lid releaseOpening the glove box
Pull lid release2.
The glove box lid opens downward.
Closing the glove box
Push lid up to close.
Warning!
G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when stowing objects in the vehicle. Put lug-
g a g e o r c a r g o i n t h e t r u n k i f p o s s i b l e . D o n o t
pile luggage or cargo higher than the seat
backs.
Luggage nets cannot secure hard or heavy
objects.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
an accident.
iThe glove box lid contains a compart-
ment for eyeglasses.
Close the compartment for glasses first
before closing the glove box.
Audio system/COMAND* with CD
changer*: The CD changer is located in
the glove box.
Page 468 of 498

466 IndexClimate control 184
Activating 185
Adjusting air distribution 188
Air recirculation mode 190
Deactivating 185
Defrosting 189
Rear window defroster 183
Clock 25, 152
Closing
Cup holder 275
Glove box 272
Hood 309
Power tilt/sliding sunroof* 251, 401
Power tilt/sliding sunroof*
with KEYLESS-GO* 250, 253
Power tilt/sliding sunroof*
with SmartKey 253
Side windows 248
Trunk 107
Windows 247
Windows
with KEYLESS-GO* 250, 253
Windows
with SmartKey 249Closing power tilt/sliding sunroof*
In an emergency 401
Cockpit 22, 455
Cockpit management
and data system (COMAND*) 456
Cold tire inflation pressure 338
Collapsible tire (CLK 55 AMG only) 394
Collapsible wheel chock 392
COMAND* see separate
operating instructions
Combination switch 129
High beam flasher 129
Turn signals 51
Windshield wipers 52
Comfort driving
Transmission program mode 170
Control and
operation of radio transmitters 302Control system 137, 456
AUDIO menu 143
Convenience submenu 158
Display digital speedometer 142
Functions 138, 141
Instrument
cluster submenu 149, 151
Lighting submenu 154
Menus 140, 141, 457
Multifunction display 137
Multifunction steering wheel 138
NAV menu 144
Operate CD player 144
Selecting radio system 143
Selecting satellite radio* system 143
Settings menu 146
Standard display menu 142
Submenus 139, 141
TEL* menu 162
Trip computer menu 160
Vehicle status
message memory menu 145
Vehicle submenu 158
Page 473 of 498

471 Index
Fuels, coolants, lubricants etc.
Capacities 447
Functions (control system) 138, 141
Resetting 147
Fuse box 430, 431
Fuse chart 430
Fuse extractor 430
Fuses 429
Aids for changing fuses 430
Auxiliary fuse box in trunk 432
Fuse box in engine compartment 431
Fuse box in
passenger compartment 430
Fuse chart 430
Fuse extractor 430
Spare fuses 430G
Garage door opener 29, 287
Gasoline see Fuel
Gasoline additives 451
GAWR 338
Gear range 456
Automatic transmission 168
Limiting 168
Shifting into optimal 167
Gear range limit
Canceling 167
Gear selector lever 25, 165, 400
Cleaning 351
Lock 47
Message in display 372
Position 25
Position
(Automatic transmission) 165, 169
Unlocking manually 400Global
Locking 96
Locking with KEYLESS-GO* 101
Unlocking 96
Unlocking with KEYLESS-GO* 101
Global Positioning System (GPS) 456
Glove box 23, 272
Closing 272
Opening 272
Good visibility 178
GPS 456
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 338
GVWR 339
Page 480 of 498

478 IndexOpening
Ashtray (Center console) 276
Ashtray (Rear seat) 277
Cup holder 275
Doors from the inside 105
Fuel filler flap 305
Fuel filler flap manually 399
Glove box 272
Hood 308
Power tilt/sliding sunroof* 251, 401
Power tilt/sliding sunroof*
in an emergency 401
Power tilt/sliding sunroof*
with SmartKey 253
Side windows 248
Trunk 106
Trunk from the inside 107
Windows 247
Windows with SmartKey 249Operating
Audio system 207
CD player 144
COMAND* see
separate operating instructions
Navigation system 144
Radio 143
Radio transmitters 302
Telephone* 162, 207, 232
Vehicle outside the
USA and Canada 13
Operating safety
Audio system 207
Operator’s Manual 10
Ornamental moldings 349
Outside temperature indicator 136
Overdue maintenance service 345
Overhead control panel 29
Override switch
Activating 82
Deactivating 82
Overspeed range 458P
Paintwork 348
Panic alarm 83
Panic button on SmartKey 83
Parcel net in
front passenger footwell 274
Parking 55, 297
Parking assist* see Parktronic system*
Parking brake 49, 55
Engaging 55
Message in display 374
Releasing 49
Parking lamps
Replacing bulbs 404, 405, 407, 409
Switching on 124
Parking position
Exterior rear
view mirrors 123, 160, 180
Parktronic system* 260, 458
Cleaning the sensors 350
Malfunction 263
Range of the sensors 260
Switching on/off 263
Warning indicators 262
Warning sounds 262, 263
Page 486 of 498

484 IndexSmartKey with KEYLESS-GO*
Checking the batteries 97, 103
Global locking and unlocking 101
Locking the vehicle 103
Loss of 105
Message in display 381
Messages in display 381
Remote controls 99
Restoring to factory setting 97, 102
Turning off the engine 57
Unlocking with 33
Snow chains 343
Soft keys
Audio system 210
Spare fuses 430
Spare parts service see Parts service
Spare wheel
Bolts 396
Mounting 413
Speed
Setting current 256
Speed settings
Cruise control 258
To last stored speed
("Resume" function)
in Cruise control 259Speed shift 459
Speedometer 25
Settings units 149
Speedometer display mode
Selecting 149
Split rear bench seat 267
SRS 68, 459
Indicator lamp 61, 359
Standing lamps 124
Replacing bulbs 404, 405, 407, 409
Standing water
Driving instructions 302
Starter switch 23, 34
Positions 34
Starting difficulties 48
Starting position 34
Starting the engine 46
Steering column
In/out adjustment 41
Up/down adjustment 41
Steering gear oil
Message in display 387Steering wheel 40
Adjusting 40
Buttons 26
Cleaning 351
Height adjustment 41
Steering wheel gearshift control 172
CLK 500 only 173
CLK 55 AMG only 174
Stolen vehicle
Tracking services 286
Stopping
Power tilt/sliding sunroof* 252
Windows 249
Storage bags 274
Storage compartments 272
Armrest 273
Cup holder 275
Glove box 272
Parcel net 274
Storage bags 274
Storing (Memory function)
Positions into memory 122
Storing tires 318