2004 MERCEDES-BENZ C240 4MATIC windshield wiper

166 Controls in detailAutomatic climate control*Adjusting air distribution
Use air distribution controls2 and5
(page 163) to separately adjust the air
distribution on each side of the passenger
compartment. The following symbols are
found on the controls:Adjusting manually

Press left or rightU button
(page 163).
The indicator lamp on the button goes
out.
Air distribution can be adjusted
manually.
Adjusting automatically

Press left or rightU button
(page 163).
The indicator lamp on the button
comes on.
The air distribution is adjusted
automatically.
Windshield fogged on the outside

Switch the windshield wipers on
(page 47).

Switch to manual mode.

Turn the air distribution control
toa orY.
Adjusting air volume
Adjusting manually
Seven blower speeds are available.
Press leftM or rightQ s i d e o f a i r
volume control (
page 163) until the
requested blower speed is attained.
The display “AUTO” disappears and the
automatic mode is switched off. The
selected blower speed is shown in the
display.
Adjusting automatically

Press left or rightU button
(page 163).
The indicator lamp on the button
comes on.
The air volume is adjusted
automatically.
Symbol
Function
a
Directs air through the center,
side and rear passenger
compartment air vents
Z
Directs air to the windows
X
Directs air into the entire
vehicle interior
Y
Directs air to the footwells

252 OperationEngine compartment
Engine compartmentHood
Opening
1Hood release
Pull lever1 downwards.
The hood is unlocked and handle2
will extend out of the radiator grille. 2Handle for opening the hood

Pull handle2 to its stop out of
radiator grille.

Pull up on the hood (do not pull up on
the handle) and then release it.
The hood will be automatically held
open at shoulder height by gas-filled
struts.
Warning!
G
Do not pull the release lever while the
vehicle is in motion. Otherwise the hood
could be forced open by passing air flow.
!To avoid damage to the windshield
wipers or hood, never open the hood if
the wiper arms are folded forward away
from the windshield.
Warning!
G
To help prevent personal injury, stay clear of
moving parts when the hood is open and the
engine is running. Make sure the hood is
properly closed before driving. When closing
the hood, use extreme caution not to catch
hands or fingers.
The radiator fan may continue to run for
approximately 30 seconds or even restart
after the engine has been turned off. Stay
clear of fan blades.Warning!
G
If you see flames or smoke coming from the
engine compartment, or if the coolant tem-
perature gauge indicates that the engine is
overheated, do not open the hood. Move
away from vehicle and do not open the hood
until the engine has cooled. If necessary,
call the fire department.

270 OperationVehicle careWiper blades
Fold wiper arms forward.

Clean the wiper blade inserts with a
clean cloth and detergent solution.Window cleaning

Fold wiper arms forward.

Use a window cleaning solution on all
glass surfaces.
An automotive glass cleaner is
recommended.Light alloy wheels
Mercedes-Benz approved Wheel Care
should be used for regular cleaning of the
light alloy wheels.
If possible, clean wheels once a week with
Mercedes-Benz approved Wheel Care,
using a soft bristle brush and a strong
spray of water.
Follow the instructions on container.
Instrument cluster
Use a gentle dishwashing detergent or
mild detergent for delicate fabrics as a
washing solution. Wipe with a cloth moist-
ened in lukewarm solution. Do not use
scouring agents.
Warning!
G
For safety reasons, switch off wipers and
remove SmartKey from starter switch
before cleaning the wiper blades, otherwise
the wiper motor might suddenly turn on and
cause injury.!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Warning!
G
For safety reasons, switch off wipers and
remove SmartKey from starter switch
before cleaning the windshield, otherwise
the wiper motor might suddenly turn on and
cause injury.!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
iOnly use acid-free cleaning materials.
Acid may cause corrosion or damage
the clear coat.

316 Practical hintsReplacing wiper blades
Replacing wiper bladesRemoving wiper blades
Fold the wiper arm forward.
1Lock
2Unlock

Pull the tab in direction of arrow2 and
remove windshield wiper.
Installing wiper blades
Slide the wiper blade into the cutout on
the wiper arm.

Slide the tab back in the direction of
arrow1 until it audibly engages.

Fold the wiper arm backward to rest on
the windshield. Make sure you hold on
to the wiper when folding the wiper arm
back.
Warning!
G
For safety reasons, remove SmartKey from
starter switch before replacing a wiper
blade. Otherwise the motor could suddenly
turn on and cause injury.
!Never open the hood when the wiper
arms are folded forward.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Do not allow the wiper arms to contact
the windshield glass without a wiper
blade inserted.
Make certain that the wiper blades are
properly installed. Improperly installed
wiper blades may cause windshield
damage.
For your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Center.

367 Index
A
ABS 23, 72, 361
ABS control 72
Malfunction indicator lamp 274
Messages in display 284
Accelerator position,
automatic transmission* 147
Accident
In case of 49
Activating
Air conditioning (cooling)
Automatic climate control* 170
Climate control 160
Air recirculation mode
Automatic climate control* 167
Climate control 158
Anti-theft alarm system* 78
Automatic climate control* 163
Central locking (control system) 133
Charcoal filter 169
Climate control 155Climate control system 159
Defrosting
Automatic climate control* 167
Climate control 158
Easy-entry/exit feature* 134
ESP 76
Exterior headlamps 46
Exterior lamps 103
Exterior rear view mirror
parking position* 150
Hazard warning flasher 106
Headlamps 46
High beams 106
Ignition 31
Immobilizer 52
Rapid seat heating* 98
Rear fog lamp 104, 105
Rear window defroster 153
Residual heat 171
Seat heating* 98
Tow-away alarm* 80
Windshield wipers 48Adding
Coolant 257
Engine oil 255
Additional turn signals 310
Adjustable air vents,
rear passenger compartment
Automatic climate control* 172
Climate control 161
Adjusting 32
Air distribution
Automatic climate control* 166
Climate control 157
Air volume
Automatic climate control* 166
Climate control 157
Backrest contour 97
Backrest side bolsters 97
Backrest tilt
Manual seat 33
Power seat* 35
Exterior rear view mirrors 38

372 IndexCenter console 25
Lower part 26
PASS. AIRBAG OFF
indicator lamp 279
Upper part 25
Centigrade
Setting temperature units 127
Central locking
Automatic 90
From inside 91
Switch 91
Switching on/off
(control system) 133
Unlocking from inside 91
Central locking switch 91
Certification label 338
Changing
Batteries (SmartKey) 307
CDs 189
Key setting 133
Charcoal filter 169Charging
Vehicle battery 324
CHECK ENGINE
malfunction indicator lamp 276
Checking
Brake fluid 251
Coolant level 251, 257
Engine oil level 251, 254
Tire inflation pressure 251
Vehicle lighting 251
Child safety 63
Airbags 56
Infant and child restraint
systems 60, 63
LATCH-type child seat anchors 69
Child safety switch see
Blocking of rear door window operation
Child seat anchors
see LATCH-type child seat anchors
Cigarette lighter 221Cleaning
Cloth upholstery 272
Cup holder 271
Gear selector lever 271
Hard plastic trim items 271
Headlamps 148
Headliner and shelf below
rear window 271
Instrument cluster 270
Leather upholstery 271
Light alloy wheels 270
MB Tex upholstery 272
Plastic and rubber parts 272
Seat belts 271
Steering wheel 271
Upholstery 271
Windows 270
Windshield 48
Wiper blades 270
Wood trims 272

373 Index
Climate control 154
Adjusting air distribution
and volume 157
Defogging windshield 157
Defrosting 158
Setting the temperature 156
Clock 23, 126
Closing
Glove box 216
Hood 253
Sliding/pop-up roof* 204
Sliding/pop-up roof*
in an emergency 309
Sliding/pop-up roof*
with SmartKey 204
Trunk lid 87
Windows 201
Windows with SmartKey 202
Cloth upholstery
Cleaning 272
Cockpit 20, 361Cockpit Management and Data System
see COMAND*
COMAND* 362
COMAND*
see separate operating instructions
Combination switch 105
High beam flasher 47
Turn signals 47
Windshield wipers 47
Comfort driving
Transmission program mode 146
Consumer information 359
Control and operation of radio
transmitters 246
Control system 113, 362
AUDIO menu 118
Convenience submenu 133
Display digital speedometer 118
Functions 114, 117
Instrument cluster submenu 126
Lighting submenu 129Malfunction memory menu 122
Menus 116, 117, 363
Multifunction display 113
Multifunction steering wheel 114
NAVI* menu 121
Selecting radio system 119
Selecting satellite radio* system 119
Settings menu 123
Standard display menu 118
Submenus 115, 117
TEL* menu 138
Trip computer menu 136
Vehicle submenu 132
Controller Area Network see CAN system
Convenience submenu 133
Activating easy-entry/exit
feature* 134
Setting key dependency 135
Setting parking position* for exterior
rear view mirror 136

390 Index
Speedometer display mode 128
Station selection mode 132
Temperature (Interior)
Automatic climate control* 165
Climate control 156
Temperature indicator 127
Time display mode (Clock) 127
Units
Speedometer 128
Temperature 127
Setting current speed 207
Settings
Convenience functions 133
Factory, SmartKey 83
Individual, SmartKey 135
Lighting (control system) 129
Menus and submenus 115
Resetting all (control system) 123
Resetting in the submenu 124
Selective, SmartKey 83Settings menu
Functions in 123
Individual vehicle settings 123
Submenus 124
Shift lock 364
Shifting
Gear selector lever 44
Gear selector lever positions 145
Gearshift lever 43
Into optimal gear range
(Automatic transmission*) 143
Into reverse
(Manual transmission) 141
Side impact airbags 60
Side marker lamps
Replacing bulbs 310, 311, 314
Side markers
Cleaning 269Side windows
Automatic opening 201
Cleaning 270
Closing 200, 201, 202
Closing fully 201
Closing with SmartKey 202
Opening 200, 201, 202
Opening fully 201
Opening with SmartKey 202
Stopping 201
Synchronizing power windows 202
Signal strength (telephone*) 139
Simultaneous wiping and washing
Windshield wipers 48
Single wipe 48
Ski sack* 209
Installing 212
Removing 212
Unfolding and loading 209
Unloading and folding 211