Page 330 of 442

328 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
K
Close slid./pop-up
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 227).
J
Close slid./pop-up
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 227).
L
Tele Aid malfunction.
Drive to workshop
One or more main functions of the Tele
Aid system* are malfunctioning.
Have the Tele Aid system* checked by
an authorized Mercedes-Benz Center.
t
Function unavailable.
This display appears if buttont
ors on 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
please refill
The fluid level has dropped to
about
1/3of total reservoir capacity.
Add washer fluid (
page 285).
Page 402 of 442

400 Technical termsCOMAND*
(C
ockpit M
anagement and D
ata
System)
Information and operating center for
vehicle sound and communications
systems, including the radio and the
navigation system, as well as other
optional equipment (CD changer*,
telephone*, 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
adjust settings.
Cruise control
Driving convenience system that
automatically maintains 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
produced.
Engine oil viscosity
Measurement for the inner friction
(viscosity) of the oil at different temper-
atures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can
tolerate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability P
rogram)
Improves vehicle handling and
directional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the
system'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
engine 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
lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special
receivers. Employs CD digital maps for
navigation.
Page 405 of 442

403 Technical terms
Tele Aid* System
(T
elematic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and
manual emergency, roadside assis-
tance and information. Tele Aid is
initially activated by completing a
subscriber agreement and placing an
acquaintance call.
The Tele Aid system is operational
provided that the vehicle’s battery is
charged, properly connected, not
damaged and cellular and GPS
coverage is available.Telematics*
A combination of the terms “tele-
communications” 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
approved.
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*
1
Voice control system for car phones,
portable cell phones and audio
systems (radio, CD, etc.).
1Feature description is based on preliminary infor-
mation at time of printing. At time of printing, no
date for availability of voice control had been set.
Contact an authorized Mercedes-Benz Center for
details and availability for your vehicle model.
Page 409 of 442

407 Index
Anti-theft systems 83
Anti-theft alarm system* 83
Immobilizer 83
Tow-away alarm* 85
Aquaplaning see Hydroplaning
Armrest
Changing inclination of 242
Storage spaces 242
Armrest in rear passenger
compartment 243
Ashtrays 245
ATF 282
AUDIO menu 127
Selecting radio station 128
Selecting satellite radio* station 128
Audio system 183
Audio and telephone, operation 183
Button and soft key operation 186
CD* operation 201
Operating and display elements 184
Operating safety 183Operation 186
Radio operation 191
Switching off 187
Switching on 186
Telephone* operation 208
Automatic antiglare* for rear view
mirror 169
Automatic central locking
Activating/deactivating (control
system) 145
Automatic headlamp mode 110
Automatic lighting control
Activating 115
Deactivating 115
Automatic locking when driving 96
Automatic shift program
Automatic transmission* 162
Automatic time change (Daylight Saving
Time (DST) summer/winter) 139
Automatic Transmission Fluid see ATFAutomatic transmission* 156
Accelerator position 163
Automatic shift program 162
Emergency operation
(Limp Home Mode) 167
Fluid level 282
Gear ranges 159
Gear selector lever 47, 156
Gear selector lever position 156, 160
Gear shifting malfunctions 167
Kickdown 163
Kickdown, manual shift program
(C 55 AMG only) 167
Manual shift program
(C 55 AMG only) 165
Manual shifting 158
One-touch gearshifting 158
Program mode selector switch,
automatic shift program 162
Program mode selector switch,
manual shift program
(C 55 AMG only) 166
Page 414 of 442

412 IndexD
Date (day)
Setting 140
Date (month)
Setting 139
Date (year)
Setting 141
Daytime running lamp mode 111
Setting 142
Deactivating
Air conditioning (cooling) 181
Air recirculation mode 180
Alarm 84
Anti-theft alarm system* 84
Central locking (control system) 145
Climate control 175
Climate control system 177
Cruise control 232
Defrosting 179
Engine with the SmartKey 56ESP 80
Exterior lamps 110
Exterior lamps delayed shut-off 143
Hazard warning flasher 114
Headlamps 55
Immobilizer 83
Interior lighting delayed shut-off 145
Manual shift program
(C 55 AMG only) 167
Rear window defroster 173
Seat heating* 105
Tow-away alarm* 85
Deep water see Standing water
Defogging
Windshield 178
Defrosting 178
Delayed shut-off
Exterior lamps 143
Interior lighting 145
Dialing
A number (telephone*) 152Difficulties
While driving see
Problems while driving
With starting 47
Digital clock 121
Digital speedometer 127
Direction of rotation (tires) 287
Discharged battery
Jump starting 363
Disconnecting
Vehicle battery 361
Display
Messages in display 319
Display elements
Audio system 184
Displays
Digital speedometer 127
Maintenance service indicator 292
Outside temperature 127
Selecting display for
status indicator 136
Showing vehicle status
messages 131
Page 416 of 442

414 Index
Releasing trunk lid from inside 95
Remote door unlock 255
Unlocking the vehicle 337
Emergency Tensioning Device see ETD
Emission control 273
Emission control information label 376
Ending
A call (telephone*) 152
Engine
Compartment 278
Starting with automatic
transmission* 47
Starting with manual
transmission 46
Starting with the SmartKey,
automatic transmission* 47
Starting with the SmartKey,
manual transmission 46
Technical data 378
Turning off with the SmartKey 56
Engine cleaning 297Engine compartment 278
Fuse box in 370
Hood 278
Engine malfunction
indicator lamp 25, 304
Engine number 376, 400
Engine oil 279
Adding 281
Additives 390
Checking level 277, 280
Consumption 279
Display messages 280, 320–321
Filler neck,
C 230 Kompressor
(all models) 282
Filler neck,
C 240 (all models),
C 320 (all models),
C 55 AMG 282
Messages in display 280, 320–321
Viscosity 400Engine oil level
Checking 277, 280
Engine oils 390
ESP 79, 400
Four wheel electronic traction
system with ESP 82
Messages in display 312–313
Switching off 80
Switching on 81
Warning lamp 25, 306
ETD 67, 400
Safety guidelines 62
Ethanol fuel
At the gas station 275
Requirements 392
Switching fuels 393
Exterior lamp switch 49, 109
Exterior lamps
Delayed shut-off 143
Exterior rear view mirrors
Adjusting 41
Parking position* for 148
Page 419 of 442

417 Index
H
Halogen-type
Front lamp bulbs 347
Hands-free microphone 29
Hard plastic trim items
Cleaning 299
Hazard warning flasher 114
Switching off 114
Switching on 114
Head restraints 99
Front seats, manual seat 100
Front seats, power seat* 100
Manual seat 37
Power seat* 38
Rear seats 101
Head unit
Time synchronization* with 137
Headlamp cleaning system* 285
Headlamp shut-off delay see
Delayed shut-off, exterior lampsHeadlamps
Automatic control 110
Bi-Xenon* 399
Bi-Xenon* type
Replacing bulbs 349
Cleaning 297
Cleaning system* 168, 285, 396
Halogen-type, replacing bulbs 347
Refilling washer fluid 285
Switching off 55
Switching on 49
Washer fluid 396
Headliner and shelf below rear window
Cleaning 299
Heated seats* 105
Height adjustment
Head restraints, manual seat 37
Head restraints, power seat* 38
Rear seat head restraints 101
Seat belts 45
Steering wheel,
electrical* adjustment 40
Steering wheel,
manual adjustment 40High beam flasher 50, 113
High beam headlamps
Indicator lamp 25
Messages in display 324
Replacing bulbs 345, 348
Switching on 50, 113
High beam headlamps xenon type*
Replacing bulbs 349
High mounted brake lamp 345
Hood 278
Closing 279
Message in display 322
Opening 278
Horn 23
Hydroplaning 268
I
Identification labels 376
Certification label 376
Emission control
information label 376
Vacuum line routing
diagram label 376
Vehicle Identification Number 376
Page 423 of 442

421 Index
Manual headlamp mode 110
Manual operation
Interior lighting control 115
Manual operations
Fuel filler flap 339
Locking the vehicle 338
Tilt/sliding sunroof* 341
Unlocking the driver’s door 337
Unlocking the trunk 338
Unlocking transmission
gear selector lever 340
Manual seat
Adjusting 36
Adjusting backrest tilt 36
Adjusting head restraint height 37
Adjusting head restraint tilt 37
Adjusting seat cushion tilt 36
Adjusting seat height 36
Front seat head restraints 100
Seat fore and aft adjustment 36Manual shift program (C 55 AMG only)
Activating 166
Automatic transmission* 165
Deactivating 167
Manual transmission 154
Gearshift lever 46, 155
Shifting into reverse 155
Starting with 46
MB Tex upholstery
Cleaning 300
Mechanical key 337
Memory
TV station 200
Memory function* 106, 401
Recalling positions from
memory 107
Storing exterior rear view mirror
parking position 108
Storing key dependent settings 107Menus 122
AUDIO 127
In control system 124, 125
NAV* 130
Settings menu 132
Standard display 126
Submenus 123
TEL* 150
Trip computer 148
Vehicle status message memory 130
Microphone
Hands-free microphone 29
Miles/kilometers in speedometer
Setting 135
Minispare wheel 383
Minispare wheel (except C 55 AMG) 333
Mirrors
Activating exterior rear view
mirror parking position* 170
Adjusting 41
Automatic antiglare*
for interior mirror 169