Page 369 of 506

368 Practical hintsWhat to do if …?Display
Display message
Possible cause
Possible solution
Cruise con-
trol
Cruise control
Drive to workshop
Cruise control is malfunctioning.
Have cruise control checked by an
authorized Mercedes-Benz Center.
ESP
malfunction
Visit workshop
The ESP was deactivated because of a
malfunction or interrupted power supply.
The ABS might not be operational.
Continue driving with added caution.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.
Display defective
Visit workshop!
The ESP or the ESP display is malfunction-
ing.
Continue driving with added caution.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.
unavailable
See Operator’s Manual
The charging voltage has fallen below
10 volts and the ESP has switched off.
When the voltage is above this value
again, the ESP is operational again.
If necessary, have the generator and
battery checked.
The self-diagnosis has not been complet-
ed.
The display will clear after driving a short
distance at more than 12 mph (20 km/h).
Page 380 of 506
379 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
G
Display malfunction
Visit workshop
The instrument cluster display is malfunc-
tioning.
Continue driving with added caution.
Visit an authorized Mercedes-Benz
Center as soon as possible.
The displays for several systems have
malfunctioned. Some systems them-
selves may also have malfunctioned.
Have the electronic systems checked
by an authorized Mercedes-Benz Cen-
ter.
±
Display defective
Visit workshop!
Certain electronic systems are unable to
relay information to the control system.
The following systems may have failed:
Coolant temperature display
Tachometer
Cruise control display
Have the electronic systems checked
by an authorized Mercedes-Benz Cen-
ter.
J
Doors open!
You are attempting to drive with one or
more doors open.
Close the doors.
Page 463 of 506

462 Technical termsCruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Curb weight
(
page 336)
DOT
(Department O
f Transportation)
(
page 336)
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.
->SRS
FSS (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.GAWR
(G
ross A
xle W
eight R
ating)
(
page 336)
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
(Global 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.
GVW
(G
ross V
ehicle W
eight)
(
page 336)
GVWR
(Gross V
ehicle W
eight R
ating)
(
page 336)
Page 471 of 506

470 IndexBlocking
Rear window operation 82
Bolts
For Minispare wheel 396
Brake assist system (BAS) 461
Brake fluid 456
Message in display 375
Brake lamp bulbs 415
Brake lamp, high mounted 415
Brake pads
Message in display 375
Brakes 292
Warning lamp 355
Break-in period 290Bulbs, replacing 414
Additional turn signals 414
Backup lamps 415
Brake lamps 415
Fog lamps 414
Front lamps 414
High beam (Bi-Xenon*) 414
High beam (Halogen) 414
High beam flasher (Bi-Xenon*) 414
High beam flasher (Halogen) 414
High mounted brake lamp 415
License plate lamps 415, 420
Low beam (Bi-Xenon*) 414
Low beam (Halogen) 414
Parking lamps 414, 415, 417, 419
Rear fog lamp 415, 420
Side marker lamps 414, 419
Standing lamps 414, 415, 417, 419
Tail lamp assemblies 415, 420
Turn signal lamps 414, 415
Button
Audio system 204C
CAC (Customer Assistance Center) 461
Calling up
Maintenance service indicator 343
Range (distance to empty) 159
CAN system 461
Canceling
Cruise control 257
Capacities
Fuels, coolants, lubricants, etc. 453
Catalytic converter 300
CD changer* 218
CD changer* operation 220
CD operation 218
CD player
Operating 140
Center console 27
Front passenger front
air bag off indicator lamp 361
Lower part 28
Upper part 27
Centigrade
Setting temperature units 145
Page 474 of 506

473 Index
Convenience submenu 156
Activating
easy-entry/exit feature 156
Setting key-dependency 157
Setting parking position
for exterior rear view mirror 157
Coolant 310, 458
Adding 310
Anticorrosion/
antifreeze quantity 458
Capacities 453
Checking level 310
Messages in display 376
Temperature 301
Temperature indicator 131
Warning lamp 357, 377
Coolant level
Checking 310Cruise control 462
Canceling 257
Driving downhill 257
Driving uphill 257
Fine adjustment 259
Message in display 368
Setting current speed 256
Setting to last stored speed
(“Resume” function) 259
Cruise control
CLK 320 / CLK 55 AMG 255
Cruise control lever 255
Cruise control lever
CLK 320 / CLK 55 AMG 255
Cup holder
Cleaning 351
Closing 272
In the dashboard 271
Opening 272
Curb weight 336
Customer Assistance Center (CAC) 461D
Date (day)
Setting 150
Date (month)
Setting 149
Date (year)
Setting 151
Daytime running lamp mode 124
Setting 152
Deactivating
Air conditioning (cooling) 188, 198
Air recirculation mode 187, 196
Alarm 90
Anti-theft alarm system 90
Automatic climate control* 191
Central locking (control system) 155
Charcoal filter 197
Climate control 181
Climate control system 183
Defrost 195
Defrosting 185
Engine with KEYLESS-GO* 57
Engine with the SmartKey 56
ESP 87
Exterior lamps 123
Hazard warning flasher 128
Page 475 of 506

474 Index
Headlamps 56
Immobilizer 89
Interior lighting
delayed switch-off 154
Rear window defroster 179
Residual heat 199
Seat ventilation* 118
Tow-away alarm 92
Deep water see Standing water
Defogging
Windshield 185, 194
Defrosting 185, 195
Delayed switch-off
Interior lighting 154
Department of Transportation see DOT
Dialing
A number (telephone) 161
Difficulties
While driving see
Problems while driving
With starting 48
Digital speedometer 138
Direction of rotation (tires) 316
Discharged battery
Jump starting 430Disconnecting
Vehicle battery 428
Display
Selecting 146, 147
Display elements
Audio system 202
Displays
Digital speedometer 139
Maintenance service indicator 342
Messages 308, 363
Selecting 146
Showing vehicle
status message memory 141
Distance to empty (range)
Calling up 158
Door control panel 30
Door entry lamps 129
Door handle 30
Door unlock
With Tele Aid 283
Doors
Message in display 379
Opening from inside vehicle 105
Opening from outside 96, 101
DOT 336Downhill driving
Cruise control 257
Downshifting
Automatic transmission 165
Drinking and driving 291
Driving
General instructions 43, 291
Hydroplaning 295
In winter 297
Problems 54
Safety systems 84
Through standing water 298
Traveling abroad 299
Driving instructions 291
Driving off 294
Driving safety systems
ABS 84
BAS 85
ESP 86
Driving systems 255
Cruise control
CLK 320 / CLK 55 AMG 255
Driving safety systems 84
Parktronic system* 260
Page 477 of 506

476 IndexF
Fahrenheit
Setting temperature units 145
Fastening the seat belts 43
Fine adjustment
Cruise control 259
First aid kit 391
Flat tire 422
Lowering the vehicle 426
Minispare wheel 394
Mounting the Minispare wheel 423
Preparing the vehicle 422
Flexible Service System (Canada vehicles)
see Maintenance service system
Floormates*
Installing 275
Removing 275
Floormats* 275
Fog lamp, rear 125, 415
Fog lamps
Replacing bulbs 414
Fog lamps, front
Messages in display 383
Replacing bulbs 415
Switching on 125
Front air bags 65Front lamps
Messages in display 383–385
Replacing bulbs 414, 416
Switching on 122
Front passenger front
air bag off indicator lamp 79, 361
Front seat head restraints
Installing 114
Power seat 114
Removing 114
Front seats
Seat heating* 117
Ventilation* 118
FSS (Canada vehicles) see
Maintenance service system
Fuel 303
Additives 457
Fuel reserve warning lamp 359
Gasoline additives 457
Premium
unleaded gasoline 303, 454, 456
Requirements 457
Reserve warning 25
Technical data 453
Fuel additives 457Fuel cap
Message in display 356
Fuel consumption statistics
After start 158
Since last reset 159
Fuel filler flap 302
Locking 302
Opening 399
Unlocking 302
Fuel requirements 457
Fuel reserve tank
Message in display 382
Fuel tank
Capacity 454
Filler flap 302
Fuels, coolants, lubricants etc.
Capacities 453
Functions (control system) 134, 137
Resetting 143
Fuse box 437
Fuse chart 436
Fuse extractor 436
Page 481 of 506

480 IndexLamps, indicator and warning
ABS 354
Battery (SmartKey) 96, 102
Brakes 355
Center console 361
CHECK ENGINE 356
Coolant 357, 376
Engine diagnostics 356
ESP 358
Front passenger front
air bag off indicator lamp 66, 361
Fuel reserve 359
Instrument cluster 354–360
Maintenance service indicator 342
Parktronic system*
warning indicators 262
Roll bar 359
Seat belts 359
SRS 61, 360
Turn signals 25
Language
Multifunction display 146
Setting 146
LATCH child seat anchors 80
Folding back 81Layout of poly-V-belt drive 443
Leather upholstery
Cleaning 352
Lever
For cruise control 255
License plate lamps
Messages in display 384
Replacing bulbs 415, 420
Light alloy wheels
Cleaning 350
Technical data 446
Light sensor 384
Lighter see Cigarette lighterLighting 122
Automatic headlamp mode 123
Combination switch 126
Daytime running lamp mode 124
Door entry lamps 129
Exterior lamp switch 122
Front fog lamps 125
High beam flasher 126
High beams 126
Instrument cluster illumination 130
Interior 128
Locator lighting 124
Low beam 122
Manual headlamp mode 123
Night security illumination 124
Parking lamps 122
Rear fog lamp 125
Settings (control system) 151
Limiting the gear range 166
Limp Home Mode 175
Loading 264
Instructions 268
Ski sack* 264
Loading terminology 335
Loading the vehicle 316