Page 390 of 498
388 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
K
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 251).
J
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 251).
t
Function
Unavailable
This display appears if button t or
son the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Trunk open!
This message will appear whenever the
trunk lid is open.
Close the trunk lid.
W
Washer fluid
Check level
The fluid level has dropped to about
1/3 of
total reservoir capacity.
Add washer fluid (
page 315).
Page 458 of 498

456 Technical termsCOMAND
(C
ockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and the
navigation system, as well as other op-
tional equipment (CD changer, tele-
phone, etc.).
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRSFSS (Canada vehicles)
(F
lexible S
ervice S
ystem)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. FSS evaluates en-
gine temperature, oil level, vehicle
speed, engine speed, distance driven
and the time elapsed since your last
maintenance service, and calls for the
next maintenance service accordingly.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector le-
ver.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
Page 462 of 498

460 Technical termsTele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).
Page 464 of 498

462 IndexAir bags 61
Children 62
Front 65
Passenger 65
Safety guidelines 64
Side impact 66
Window curtain 66
Air conditioning (cooling) 191
Turning off 192, 204
Turning on 192, 204
Air conditioning refrigerant 450
Air distribution
Adjusting 188, 198
Air pressure 338
Air pressure see Tire inflation pressure
Air pump, electric
Turning on 417
Air recirculation mode 190, 201
Activating 190, 201
Deactivating 191, 202
Air vents, rear passenger compartment
Adjustable 193, 206
Air volume
Adjusting 199Alarm
Audible 83, 91, 92
Canceling 91, 92
Visual 90
Alarm system
Anti-theft 90
Alignment bolt (vehicle tool kit) 415, 455
Anticorrosion/antifreeze 453
Antiglare
Auto-dimming 178
Antilock brake system (ABS) 455
Anti-theft alarm system
Arming 90
Canceling alarm 91, 92
Disarming 91
Anti-theft systems 89
Anti-theft alarm system 90
Immobilizer 89
Tow-away alarm 91
Aquaplaning see Hydroplaning
Armrest
Front 273
Rear 274
Storage compartments 273Ashtray (Center console) 276
Opening 276
Reinstalling 276
Removing 276
Ashtray (Rear seat) 276
Opening 277
Reinstalling 277
Removing 277
Aspect ratio 338
At the gas station 305
ATF (automatic transmission fluid) 312
AUDIO menu 143
Operate CD player 144
Selecting radio station 143
Selecting satellite radio* station 143
Audio system 207
Audio and telephone, operation 207
Button and soft key operation 210
CD operation 225
Operating and display elements 208
Operating safety 207
Operation 210
Radio operation 215
Switching off 211
Switching on 210
Telephone* operation 232
Page 470 of 498

468 Index
Headlamps 56
Immobilizer 89
Interior lighting
delayed switch-off 157
Rear window defroster 183
Residual heat 205
Seat heating* 119
Seat ventilation* 120
Tow-away alarm 91, 92
Deep water see Standing water
Defogging
Windshield 189, 199
Defrosting 189, 200
Delayed switch-off
Interior lighting 157
Department of Transportation see DOT
Dialing
A number (telephone) 163
Difficulties
While driving see
Problems while driving
With starting 48
Digital speedometer 142
Direction of rotation (tires) 319
Discharged battery
Jump starting 423Disconnecting
Vehicle battery 421
Display
Selecting 150, 151
Display elements
Audio system 208
Displays
Digital speedometer 142
Maintenance service indicator 344
Messages 311, 362
Selecting 150
Showing vehicle
status message memory 145
Distance to empty (range)
Calling up 160
Door control panel 30
Door entry lamps 133
Door handle 30
Door unlock
With Tele Aid 286
Doors
Message in display 378
Opening from inside vehicle 105
Opening from outside 96, 101
DOT 338Downhill driving
Cruise control 257
Downshifting
Automatic transmission 167
Drinking and driving 295
Driving
General instructions 43, 295
Hydroplaning 299
In winter 301
Problems 54
Safety systems 84
Through standing water 302
Traveling abroad 302
Driving instructions 295
Driving off 297
Driving safety systems
ABS 84
BAS 85
ESP 86
Driving systems 255
Cruise control 255
Parktronic system* 260
Page 471 of 498

469 Index
E
Easy-entry/exit feature 112
Activating 159
Electrical fuses 429
Electrical outlet in
rear passenger compartment 278
Electrical system
Technical data 444
Electronic Stability Program see ESP
Emergency call
911 245
Emergency call system* 280
Emergency calls
Initiating an emergency call 282
With Tele Aid 281
Emergency operation
(Limp Home Mode) 177
Emergency operations
Closing
power tilt/sliding sunroof* 401
Locking the vehicle 398
Opening
power tilt/sliding sunroof* 401
Remote door unlock 286
Unlocking the vehicle 397Emergency tensioning device see ETD
Emission control 304
Emission control information label 436
Ending
A call (telephone) 163
Engine
Compartment 308
Message in display 356
Starting 47
Starting with KEYLESS-GO* 47
Starting with the SmartKey 47
Technical data 438
Turning off 56
Engine cleaning 349
Engine compartment 308
Fuse box in 431
Hood 308
Engine malfunction
indicator lamp 25, 356
Engine number 436, 456Engine oil 309, 449
Adding 312
Additives 449
Checking level 310
Consumption 309
Filler cap 312
Filler neck 312
Message in display 379
Messages in display 311
Viscosity 456
Engine oil level see Oil level
ESP 25, 86, 456
Messages in display 367
Switching off 87
Switching on 88
Warning lamp 358
ETD 69, 456
Safety guidelines 64
Exterior lamp switch 124
Exterior rear view mirrors
Adjusting 41
Parking position for 160
Page 474 of 498

472 IndexH
Hands-free microphone 29
Hard plastic trim items
Cleaning 351
Hazard warning flasher 131
Switching off 131
Switching on 131
Head restraints 113
Head unit
Time synchronization* with 151
Headlamp cleaning system* 315
Headlamps
Automatic control 125
Bi-Xenon 455
Cleaning 349
Cleaning system* 178, 315
Refilling washer fluid 315
Switching off 56
Switching on 50
Washer fluid 454
Washer system* 454
Headliner
Cleaning 352
Height adjustment
Head restraints 38High beam flasher 129
Replacing bulbs (Bi-Xenon*) 404
Replacing bulbs (Halogen) 404
High beam headlamps
Messages in display 383
Replacing bulbs (Bi-Xenon*) 404
Replacing bulbs (Halogen) 404, 406
Replacing bulbs for
high beam flasher (Bi-Xenon*) 408
Switching on 129
High mounted brake lamp 405
Hood 308
Closing 309
Message in display 381
Opening 308
Hydroplaning 299I
Identification labels 436
Ignition 34, 36
Switching on 47
Immobilizer 89
Activating 89
Deactivating 89
Infant and child restraint systems 70
Installing 79
LATCH child seat anchors 80
Information
About service and warranty 10
Button for Tele Aid 284
Installing
Floormats* 278
Infant and child restraint systems 79
Towing eye bolt 427
Towing eye bolt (CLK 55 AMG) 428
Wiper blades 411
Page 478 of 498

476 IndexMenus 138
AUDIO 143
Control system 140, 457
NAV 144
Settings menu 146
Standard display 142
Submenus 139
TEL* 162
Trip computer 160
Vehicle status message memory 145
Messages
Displaying 145
Vehicle status message memory 145
Microphone
Hands-free microphone 29
Miles/kilometers in speedometer
Setting 149
Minispare wheel
(except CLK 55 AMG) 393
Technical data 443Mirrors
Activating exterior rear
view mirror parking position 180
Adjusting 41
Auto-dimming rear view mirrors 178
Exterior rear view mirror 41
Exterior rear
view mirror parking positions 160
Interior rear view mirror 41
Storing exterior rear
view mirror parking position 123
MON (Motor Octane Number) 306, 457
Mph or km/h in speedometer 149
Multicontour seat* 118
Multifunction display 137, 457
Displaying gear range 168
Selecting language 150
Setting date (day) 153
Setting date (month) 153
Setting date (year) 154
Standard display 141Multifunction display messages
ABS 365
BAS 366
Battery 373
Brake fluid 374
Brake pads 374
Check engine 356
Coolant 376
Coolant level 375
Cruise control 367
Display 378
Doors 378
Engine 356
Engine oil 379
ESP 367
Fog lamps, front 382
Fuel cap 356
Fuel reserve tank 381
Gear selector lever 372
High beam headlamps 383
Hood 381
Key 381
Lamp sensor 383
Lamps 383
License plate lamp 383
Low beam 383