Page 316 of 418

315 Practical hints
What to do if …?
Display symbol
Display messages
Possible cause
Possible solution
.
HIGH BEAM, L
CHECK LAMP!
The left high beam lamp flasher is mal-
functioning.
Replace the bulb as soon as possible.
HIGH BEAM, R
CHECK LAMP!
The right high beam flasher lamp is mal-
functioning.
Replace the bulb as soon as possible.
LICENSE PLATE LAMP, L
CHECK LAMP!
The left license plate lamp is malfunction-
ing.
Replace the bulb as soon as possible.
LICENSE PLATE LAMP, R
CHECK LAMP!
The right license plate lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
LIGHT SENSOR
DRIVE TO WORKSHOP!
The lamp sensor is malfunctioning. The
headlamps switch on automatically.
In the control system, set lamp operation
to manual (
page 150).
Switch on headlamps using the exterior
lamp switch.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
LOW BEAM, L
CHECK LAMP!
The left low beam lamp is malfunctioning.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
LOW BEAM, R
CHECK LAMP!
The right low beam lamp is malfunction-
ing.
Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.
MARKER LIGHT, FL
CHECK LAMP!
The front left side marker lamp is mal-
functioning.
Replace the bulb as soon as possible.
Page 321 of 418
320 Practical hintsWhat to do if …?Tire pressure monitor messages
(vehicles produced up to approximately
October 2003)Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES.
DISPLAY AFTER DRIVING
A FEW MINS. REACTIVATE
USING R-BUTTON
The tire pressure is being checked.
TIRE PRES. MONITOR
NOT ACTIVE
The tire inflation pressure monitor* is un-
able to monitor the tire pressure due to
the presence of several wheel sensors
in the vehicle.
excessive wheel sensor tempera-
tures.
a nearby radio interference source.
unrecognized wheel sensors mount-
ed.
Check the tire pressure at the next ser-
vice station.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Page 322 of 418

321 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES. MONITOR
REACTIVATE!
The tire inflation pressure monitor* is de-
activated.
Activate the tire inflation pressure mon-
itor* (
page 274).
TIRE PRES. MONITOR
VISIT WORKSHOP!
The tire inflation pressure monitor* is
malfunctioning.
Have the tire inflation pressure moni-
tor* checked by an authorized
Mercedes-Benz Center.
Change the wheel (
page 343).
A wheel without proper sensor was in-
stalled.
Check and correct tire pressure as re-
quired (
page 271).
TIRE PRES.
CAUTION, TIRE DEFECT!
One or more tires are deflating.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 343).
TIRE PRES.
CHECK TIRES!
The tire pressure in one or more tires is
already below the minimum value.
The tire pressure in one or more tires is
low.
Carefully bring the vehicle to a halt,
avoiding abrubt steering and braking
maneuvers.
Change the wheel (
page 343).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Page 329 of 418

328 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
H
TIRE PRES. MONITOR
REACTIVATED
The tire pressure monitor is using the current
pressure values as the basis for monitoring.
TIRE PRES. MONITOR
CURRENTLY
UNAVAILABLE
The tire pressure monitor is temporarily inop-
erative because:
an additional wheel sensor is in the vehi-
cle
the maximum temperature of the wheel
sensor has been exceeded
a radio source is causing interference
unrecognized wheel sensors have been
installed
Remove any additional wheel sensors
from the vehicle
As soon as the causes of the malfunction
have been removed, the tire inflation
pressure monitor automatically becomes
active again.
TIRE PRES. MONITOR
NOT OPERATIONAL
DRIVE TO WORKSHOP
The tire pressure monitor or a wheel sensor
is malfunctioning.
Have the tire inflation pressure moni-
tor checked by an authorized
Mercedes-Benz Center.
A wheel without proper sensor was installed.
Have the wheels checked.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Page 384 of 418

383 Technical terms
ABC
(A
ctive B
ody C
ontrol)
Active, computer-controlled system
that hydraulically adjusts the suspen-
sion at all four wheels in response to
various driving situations.
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.BabySmart
TM airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front airbag when such a
seat is properly installed (PASSENGER
AIRBAG OFF indicator lamp in the cen-
ter console comes on). See an autho-
rized Mercedes-Benz Center for
availability.
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front airbag if a BabySmart
TM
compatible child seat is installed.
BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.Bi-Xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Page 394 of 418

393 Index
Child safety switch see Blocking of rear
window operation 75
Cigarette lighter 228
CL 55 AMG Kompressor
MANUAL shift program mode 164
Cleaning
Cup holder 289
Distronic* system sensor cover 287
Gear selector lever 289
Hard plastic trim items 289
Headlamps 170
Headliner and shelf below rear
window 289
Instrument cluster 289
Leather upholstery 290
Light alloy wheels 289
Nubuck leather upholstery 290
Parktronic* system sensor 287
Plastic and rubber parts 290
Seat belts 289
Steering wheel 289
Upholstery 290
Windows 288Windshield 51
Wiper blades 287
Wood trims 290
Clock 23
Closing
Cup holder 226
Glove box 221
Hood 261
Power window with
KEYLESS-GO* 189
Power window with SmartKey 188
Side windows 187, 188
Sliding/pop-up roof 191, 335
With SmartKey 193
Sliding/pop-up roof with
KEYLESS-GO* 194
Trunk 98
Windows 186
Closing sliding/pop-up roof
In an emergency 335
Cockpit 20, 383
Cockpit management and data system
(COMAND) 384COMAND 384
COMAND see separate operating instruc-
tions
Combination switch 123
High beam flasher 49, 123
Turn signals 49
Windshield wipers 50
Consumer information 380
Control and operation of radio
transmitters 254
Control system 129, 384
AUDIO menu 134
Checking oil level 262
Convenience submenu 154
Display digital speedometer 134
Distronic* menu 142
Functions 131, 133
Instrument cluster submenu 148
Lighting submenu 149
Malfunction memory menu 144
Menus 132, 133
Multifunction display 129
Multifunction steering wheel 130
Page 396 of 418

395 Index
Limiting opening height of
trunk lid 153
Rear window defroster 182
Residual heat 184
Seat heater 113, 114
Seat ventilation* 115
Tow-away alarm 84
Deactivating steering wheel gearshift
control 166
Deceleration
With Distronic* 201
Deep water see Standing water 253
Defrosting 179
Delayed switch-off
Interior illumination 152
Dialing
A number (telephone) 140
Difficulties
While driving see Problems while
driving 52
Digital clock 23
Digital speedometer 134
Direction of rotation (tires) 271
Discharged battery
Jump starting 351Disconnecting
Vehicle battery 349
Displays
Digital speedometer 134
Distronic* 200
Messages 263, 299
Service indicator 282
Showing malfunctions 145
Distance
Decreasing in Distronic* 206
Increasing in Distronic* 206
Setting in Distronic* 205
Warning function 206
Distance to empty (range)
Calling up 143
Distance warning function* 206
Activating 207
Deactivating 207
Distronic* warning lamp 206
Intermittent warning sound 206
Symbol in multifunction display 142
Distronic* 198, 384
Activated 202
Activating 203
Calling up settings 142, 201Cleaning system sensor 287
Cruise control lever 202
Deactivated 202
Deactivating 205
Deceleration 201
Decreasing distance 206
Decreasing time interval 205
Displays in the speedometer dial 200
Distance warning function 206
Driving hints 207
Fine adjustment 204
Increasing distance 206
Increasing time interval 205
Intermittent signal tone 200
Menu 201
Messages in display 302
Resetting stored speed 204
Sensor cover 287
Setting a higher speed 203
Setting a lower speed 204
Setting following distance 205
Setting the current speed 203
Warning and indicator lamps 200
Door control panel 19, 28
Page 401 of 418

400 IndexK
Key, mechanical 331
Key, SmartKey
Battery check lamp 89
Changing the batteries 333
Checking the batteries 91
Factory setting 89
Global locking 89
Global unlocking 89
Loss of 91
Positions in starter switch 31
Remote controls 88, 92
Restoring to factory setting 90
Selective setting 89
Starting the engine 45
Turning off the engine 55
Unlocking with 30
Key,SmartKey with KEYLESS-GO*
Changing the battery 334
Key-dependency memory
Settings 154
KEYLESS-GO start/stop button* 33
KEYLESS-GO* 385
Activating ignition with 33
Closing sliding/pop-up roof 194Closing windows 189
Locking the vehicle 95
Messages in display 313
Starting the engine 46
Turning off engine 56
Unlocking with 32
Keys 88
Kickdown 163, 385
Kilometers/miles in speedometer 148
Km/h or mph in speedometer 148
L
Lamp bulbs, exterior 336
Lamps, exterior
Front 336
Light sensor 315
Messages in display 315
Rear 337
Lamps, indicator and warning
ABS 292
Battery (SmartKey) 89, 94
Brakes 293
CHECK ENGINE 294
Coolant 306
Distronic*DTR* 200
Engine diagnostics 294
ESP 81, 295
Fuel reserve 296
Instrument cluster 296
PASSENGER AIRBAG OFF 71, 298
Seat belts 296
Service indicator 282
SRS 61
Tow-away alarm 84
Turn signals 23
Language
Multifunction display 149
Setting 149
LATCH child seat anchors 74
LATCH child seat mounts 74
Layout of poly-V-belt drive 363
Leather upholstery
Cleaning 290
Lever
For cruise control 202
License plate lamps
Replacing bulbs 337, 340
Light alloy wheels
Cleaning 289