2005 MERCEDES-BENZ C240 Driver

341 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Power tilt/sliding sunroof*
You can open or close the tilt/sliding
sunroof manually should an electrical
malfunction occur.
The tilt/sliding sunroof drive is located
behind the lens1 of the interior overhead
light.
Remove SmartKey from the starter
switch.

Pry of lens1 using a flat blade
screwdriver.

Slide both locking tabs2 in direction
of the arrows.

Lower the rear of the cover and
remove.

Remove the cover.

Take the crank3 out of the Operator’s
Manual pouch.

Insert crank3 through hole on the left
side.

Turn crank3 clockwise to:

slide sunroof closed


raise sunroof at the rear

Turn crank3 counterclockwise to:

slide sunroof open


lower sunroof at the rear
iDo not disconnect electrical
connectors.
iTurn crank3 slowly and smoothly.
The tilt/sliding sunroof must be
synchronized after being operated
manually (
page 230).

345 Practical hints
Replacing bulbs
Front lamps Rear lamps
Lamp
Type
1
Additional turn signal
lamp
LED
2
Halogen headlamp:
Turn signal lamp
Bi-Xenon* headlamp:
Turn signal lamp
1156 A
2357 A
3
Halogen headlamp:
Low beam
Bi-Xenon* headlamp:
Low and high beam
1
1Vehicles with Bi-Xenon* headlamps: Low beam
and high beam use the same D2S-35W lamp. Do
not replace the Xenon bulbs yourself. See an
authorized Mercedes-Benz Center.
H7 (55 W)
D2S-35 W
Lamp
Type
4
Halogen headlamp:
High beam/high beam
flasher
Bi-Xenon* headlamp:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lamp
W5W
5
Front fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W
Lamp
Type
7
High mounted brake
lamp
LED
8
Brake lamp
P21W
9
Turn signal lamp
PY 21 W
a
Parking and side
marker lamp
P 21/5 W
b
Backup lamp
P21W
c
License plate lamps
C5W
d
Rear fog lamp (driver’s
side only), tail and
standing lamp
P 21/4 W

351 Practical hints
Replacing bulbs
Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear
lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 109).

Open the trunk lid (
page 92).
Tail lamp unit
1Latch

Fold the corresponding trim panel to
the side.

Turn latch1 to vertical position and
remove the bulb carrier.
Bulb carrier2Brake lamp bulb
3Backup lamp bulb
4Rear fog lamp (driver’s side only),
tail and standing lamp bulb
5Parking and side marker lamp bulb
6Turn signal lamp bulb
Press gently onto the respective bulb
and turn counterclockwise out of its
bulb socket.

Press the new bulb gently into its bulb
socket and turn clockwise until it
engages.

Reinstall the bulb carrier and lock it
again with latch1.

Reinstall the trim panel.
License plate lamp
1Screw

Loosen both screws1.

Remove the license plate lamp.

Replace the bulb.

Reinstall the license plate lamp.

Retighten screws1.

370 Practical hintsFusesMain fuse box in passenger compartment
The main fuse box is located in the passen-
ger compartment on the driver’s side of
the cockpit.
1Main fuse box cover
Opening fuse box
Open the driver’s door.

Pull fuse box cover1 open with a
screw driver or similar tool (see arrow).

Remove fuse box cover1 rearward.Closing fuse box

Attach fuse box cover1 in the front.

Fold fuse box cover1 in until it
engages.
Fuse box in engine compartment
The fuse box is located in the engine
compartment on the driver’s side.
1Cover
2Screws
3RetainerRemoving cover

Twist screws2
90° counterclockwise.

Lift the rear of cover1.

Slide out retainer3 and remove
cover1 by pulling towards front.
Opening fuse box
4Fuse box cover
5Clamps

With a dry cloth, remove any moisture
from the fuse box.

Release clamps5.

Remove fuse box cover4.

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.

401 Technical terms
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision,
including the tachometer, speedo-
meter, engine temperature display and
fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the
vehicle and should not be used for
normal acceleration needs.
Lock button
Button on the door which indicates
whether the door is locked or
unlocked. Pushing the lock button
down on an individual door from inside
will lock that door.Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service accord-
ingly.
Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each SmartKey.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized
method. It is an indication of a
gasoline's ability to resist undesired
detonation (knocking). The average of
both the MON (Motor Octane Number)
and ->RON (Research Octane Number)
is posted at the pump, also known as
ANTI-KNOCK INDEX.Multifunction display
Display field in the instrument cluster
used to present information provided
by the control system.
Multifunction steering wheel
Steering wheel with buttons for
operating the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this
engine speed range, as it may result in
serious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.

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

433 Index
Turn signal lamps, in mirrors
Messages in display 326
Turn signal lamps, rear
Messages in display 326
Replacing bulbs 345
Turn signals 50
Additional in mirrors 345
Cleaning lenses 297
Front bulbs 345
Indicator lamps 25
Rear bulbs 345
Turning inward
Swiveling cup holder,
in front of seat armrest 244
Turning off
Engine 56
Turning outward
Swiveling cup holder,
in front of seat armrest 244U
Units
Setting speedometer units 135
Setting temperature units 135
Unlocking 32, 88
Centrally from inside 96
Driver’s door in an emergency 337
Fuel filler flap 275
Global 89
Glove box 241
In an emergency 337
Selective settings 89
Transmission gear selector
lever manually 340
Trunk in an emergency 338
Vehicle in an emergency 255
With the SmartKey 32
Upgrade scenario
Tele Aid* 254
Uphill driving
Cruise control 232
Upholstery
Cleaning 299Upshifting 158
Useful features 241
Ashtrays 245
Cigarette lighter 246
Electrical outlet 247
Interior storage spaces 241
Tele Aid* 248
Telephone* 247
V
Vacuum line routing diagram label 376
Vehicle
Individual settings 132, 134
Locking 97
Locking in an emergency 338
Lowering 359
Performance in cold weather 393
Performance in hot weather 393
Service battery 360
Towing 365
Unlocking 97
Unlocking in an emergency 337
With flexible fuel 392