
Contents
Control system ..................................  133
Multifunction display ....................  133
Multifunction steering wheel ........  134
Menus ..........................................  136
Standard display menu ................  138
AUDIO menu ................................  139
NAV* menu ..................................  141
Vehicle status 
message memory menu ...............  141
Settings menu ..............................  142
Trip computer menu.....................  158
TEL menu* ...................................  160
Automatic transmission .....................  163
One-touch gearshifting.................  165
Gear ranges .................................  166
Gear selector lever position .........  167
Automatic shift program ..............  169
Driving tips ...................................  170
Steering wheel gearshift control 
- CLK 500 and CLK 55 AMG .........  171
Manual shift program 
CLK 55 AMG ................................  173
Emergency operation 
(Limp Home Mode) ......................  175Good visibility ..................................... 176
Headlamp cleaning system* ......... 176
Rear view mirrors.......................... 176
Sun visors ..................................... 178
Rear window defroster .................. 179
Climate control (CLK 320) .................. 180
Deactivating the 
climate control system ................. 183
Setting the temperature................ 183
Adjusting air 
distribution and volume ................ 184
Defrosting ..................................... 185
Air recirculation mode .................. 186
Air conditioning............................. 187
Rear passenger compartment 
adjustable air vents....................... 189
Automatic climate control 
(CLK 500/CLK 55 AMG)..................... 190
Deactivating the automatic 
climate control system ................. 193
Setting the temperature................ 193
Adjusting air distribution............... 194
Adjusting air volume ..................... 194
Defrosting ..................................... 195
Maximum cooling MAXCOOL ........ 195
Air recirculation mode .................. 195Charcoal filter ...............................  197
Air conditioning ............................ 198
Residual heat and ventilation* 
(available on Automatic climate 
control panel design A only) .........  199
Rear passenger compartment 
adjustable air vents ......................  200
Audio system......................................  201
Audio and telephone, operation .... 201
Operating safety ...........................  201
Sound system* ............................. 201
Operating and display elements ... 202
Button and soft key operation ......  204
Operation......................................  204
Radio operation ............................ 209
Introduction to satellite radio* 
(USA only) ..................................... 213
CD mode.......................................  218
GSM network phones ...................  224
TDMA or CDMA network phones ..  231
Emergency calls “911” .................  237
Power windows ..................................  239
Opening and 
closing the windows .....................  239
Synchronizing power windows ......  243 

137 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Commands/submenusStandard dis-
play
AUDIO
NAV*
Vehicle status 
message memory
Settings
Trip computer
Telephone
(page 138)
(page 139)
(page 141)
(page 141)
(page 142)
(page 158)
(page 160)
Digital speed-
ometer
Select radio 
station
Activate route 
guidance
Call up vehicle 
malfunction, warning 
and system status 
messages stored in 
memory
Reset to factory 
settings
Fuel consumption 
statistics after 
start
Load phone 
book
Call up mainte-
nance service 
display
Select satellite 
radio station* 
(USA only)
Instrument clus-
ter submenu
Fuel consumption 
statistics since the 
last reset
Search for name 
in phone book
Check engine 
oil level
Operate CD 
player
Time/Date sub-
menu
Call up range
Lighting 
submenuVehicle submenuConvenience 
submenu 

158 Controls in detailControl systemTrip computer menu
Use the trip computer menu to call up sta-
tistical data on your vehicle.
The following information is available:Fuel consumption statistics after start
Press buttonÿ orè repeatedly 
until the first function of the Trip com-
puter menu appears in the multifunc-
tion display.
Press buttonj ork repeatedly 
until the message 
After start
 appears 
in the multifunction display.
1Distance driven since start
2Time elapsed since start
3Average speed since start
4Average fuel consumption since start
Function
Page
Fuel consumption statistics after 
start
158
Fuel consumption statistics 
since last reset
159
Call up range (distance to empty)
159
iAll statistics stored since the last 
engine start will be reset approximately 
four hours after the SmartKey in the 
starter switch is turned to position0 or 
removed from the starter switch.
Resetting will not occur if you turn the 
SmartKey back to position1 or2 
within this time period. 

472 IndexClosing
Cup holder 272
Glove box 269
Hood 306
Side windows 240
Side windows 
with KEYLESS-GO* 243
Ski sack roller blind* 246, 267
Soft top 244
Soft top (SmartKey) 252
Soft top (switch) 248
Soft top in an emergency 403
Trunk 107
Windows 239
Windows with KEYLESS-GO* 243
Windows with SmartKey 242
Windows with soft top switch 241
Cockpit 22, 461
Cockpit management 
and data system (COMAND*) 461
Cold tire inflation pressure 336
Collapsible wheel chock 394
COMAND* 461
COMAND* see 
separate operating instructionsCombination switch 126
High beam flasher 126
Turn signals 51
Windshield wipers 52
Comfort driving
Transmission program mode 169
Control and operation 
of radio transmitters 299Control system 133, 461
AUDIO menu 139
Convenience submenu 156
Display digital speedometer 139
Functions 134, 137
Instrument 
cluster submenu 145, 147
Lighting submenu 151
Menus 136, 137, 463
Multifunction display 133
Multifunction steering wheel 134
NAV menu 141
Selecting radio system 139
Selecting satellite radio* system 140
Settings menu 142
Standard display menu 138
Submenus 135, 137
TEL* menu 160
Trip computer menu 158
Vehicle status 
message memory menu 141
Vehicle submenu 155 

482 IndexMenus 134
AUDIO 139
Control system 463
In control system 136, 137
NAV 141
Settings menu 142
Standard display 138
Submenus 135
TEL* 160
Trip computer 158
Vehicle status message memory 141
Microphone
Hands-free microphone 29
Miles/kilometers in speedometer
Setting 145
Minispare wheel 394
Mounting 423
Removing 394
Storing 395
Technical data 449
Wheel bolts 396Mirrors
Activating exterior rear 
view mirror parking position 177
Adjusting 41
Auto-dimming for 
rear view mirror 176
Exterior rear view mirror 41
Exterior rear view 
mirror parking positions 157
Interior rear view mirror 41
Storing exterior rear view 
mirror parking position 121
MON 303
MON (Motor Octane Number) 463
Mph or km/h in speedometer 145
Multicontour seat* 116
Multifunction display 133, 463
Displaying gear range 166
Selecting language 146
Setting date (day) 150
Setting date (month) 149
Setting date (year) 151
Standard display 137Multifunction display messages
ABS 366
BAS 367
Battery 374
Brake fluid 375
Brake pads 375
Check engine 356
Coolant 377
Coolant level 376
Cruise control 368
Display 379
Doors 379
Engine 356
Engine oil 380
ESP 368
Fog lamps, front 383
Fuel cap 356
Fuel reserve tank 382
High beam headlamps 384
Hood 382
Key 382
Lamp sensor 384
Lamps 384
License plate lamp 384
Low beam 384
Parking brake 375 

493 Index
Tread 338
Tread depth 315
Tread depth (tires) 340
Treadwear indicators 338
Trip computer 158
Trip odometer
Resetting 131
Trunk
Auxiliary fuse box 438
Closing 107
Luggage cover 245
Message in display 390
Opening 106
Opening from inside vehicle 107
Trunk lid 106
Trunk lock 398
Unlocking with KEYLESS-GO* 104
Unlocking with SmartKey 98
Trunk lid emergency release 109
Turn signal lamps
Replacing bulbs 414, 415Turn signals 51
Additional in mirrors 414
Cleaning lenses 348
Front bulbs 414
Front bulbs (Bi-Xenon*) 419
Front bulbs (Halogen) 417
Indicator lamps 25
Rear bulbs 415, 420
Turning off
Engine 56U
Uniform Tire 
Quality Grading Standards 338
Units
Setting speedometer units 145
Setting temperature units 145
Unlocking 32, 94
Driver’s door in an emergency 397
Fuel filler flap 302
Gear selector lever manually 400
Global 96
Global with KEYLESS-GO* 101
In an emergency 397
Selective setting 96, 102
Trunk lid with KEYLESS-GO* 104
Trunk lid with SmartKey 98
Vehicle in an emergency 283
With KEYLESS-GO* 33
With the SmartKey 32