2005 MERCEDES-BENZ C COUPE headlamp

386 Practical hintsReplacing bulbs
Notes on bulb replacement

Use only 12-volt bulbs of the same type
and with the specified watt rating.


Switch lights off before replacing a bulb
to prevent short circuits.


Always use a clean lint-free cloth when
handling bulbs.


Your hands should be dry and free of oil
and grease.


If the newly installed bulb does not
come on, visit an authorized
Mercedes-Benz Center.
Have the LEDs and bulbs for the following
lamps replaced by an authorized
Mercedes-Benz Center.


Additional turn signals in the exterior
rear view mirrors


High mounted brake lamp


Xenon* lamps


Front fog lamps
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 110).

Open the hood (
page 291) (except
for side marker lamps).
Halogen headlamps
Left headlamp, mirror-image of right
headlamp1Housing cover for low beam headlamp
2Housing cover for high beam head-
lamp, parking and standing lamp
Warning!
G
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Keep bulbs out of reach of children.
Halogen lamps contain pressurized gas.
A bulb can explode if you

touch or move it when hot


drop the bulb


scratch the bulb
Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

388 Practical hintsReplacing bulbsFront turn signal lamp bulb
Turn bulb socket3 counterclockwise
and remove it.

Press gently onto the bulb and turn
counterclockwise out of bulb
socket3.

Press the new bulb gently into bulb
socket3 and turn clockwise until it
engages.

Place bulb socket3 back into the
lamp and turn it clockwise.Parking and standing lamp bulb

Turn housing cover2 counterclock-
wise and remove it.

Pull out bulb socket6 with the bulb.

Pull the bulb out of bulb socket6.

Press the new bulb into bulb socket6.

Press bulb socket6 back into the
lamp.

Align housing cover2 and turn it
clockwise.Bi-Xenon* headlamps
Warning!
G
Do not remove the cover
1
for the
Bi-Xenon headlamp. Because of high voltage
in Bi-Xenon lamps, it is dangerous to replace
the bulb or repair the lamp and its compo-
nents. We recommend that you have such
work done by a qualified technician.

389 Practical hints
Replacing bulbs
Left headlamp, mirror-image of right
headlamp1Housing cover for Bi-Xenon headlamp
2Housing cover for high beam flasher,
parking and standing lamp3Bulb socket for turn signal lamp
4Bulb holder for high beam flasher
5Bulb socket for parking and standing
lamp bulb
High beam bulb for high beam flasher

Turn housing cover2 counterclock-
wise and remove it.

Turn bulb holder4 with the bulb coun-
terclockwise and remove it.

Pull the bulb at its socket out of bulb
holder4.

Insert the new bulb so that its socket
locates in the recess of bulb holder4
and is level to it.

Reinsert bulb holder4 w i t h t h e b u l b i n
the lamp and turn clockwise.

Align housing cover2 and turn it
clockwise.
Front turn signal lamp bulb

Turn bulb socket3 with the bulb
counterclockwise and remove it.

Press gently onto the bulb and turn
counterclockwise out of bulb
socket3.

Press the new bulb gently into bulb
socket3 and turn clockwise until it
engages.

Place bulb socket3 back into the
lamp and turn it clockwise.

427 Technical data
Fuels, coolants, lubricants, etc.
Model
Capacity
Fuels, coolants, lubricants, etc.
Fuel tank
including a reserve of
16.4 US gal (62.0 l)
2.1 US gal (8.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91 (Avg. of 96 RON / 86 MON)
Flexible Fuel Vehicles (identified by a label reading
Premium gasoline or E85 only! on fuel filler flap):
Alternative fuel: Ethanol fuel (E85)
Air conditioning system
R-134a refrigerant and special PAG lubricant oil
(never R-12)
Windshield washer
3.2 US qt (3.0 l)
MB Windshield Washer Concentrate
1
Windshield washer and
headlamp cleaning system*
6.4 US qt (6.0 l)
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing point or MB Windshield Washer Concentrate “S” and commercially available
premixed windshield washer solvent/antifreeze for temperatures below freezing point. Follow suggested mixing ratios (page 435).

435 Technical data
Fuels, coolants, lubricants, etc.
Windshield washer system and headlamp cleaning system
Both the windshield and headlamp washer
systems are supplied from the windshield
washer fluid reservoir.
The washer fluid reservoir has a capacity of
approximately

6.4 US qt (6.0 l) in vehicles with head-
lamp cleaning system*


3.2 US qt (3.0 l) in vehicles without
headlamp cleaning system

Refill the reservoir with MB Windshield
Washer Concentrate and water (or con-
centrate and commercially available
premixed windshield washer sol-
vent/antifreeze, depending on ambient
temperatures).Windshield and headlamp washer fluid
mixing ratio
For temperatures above freezing point, use
MB Windshield Washer Concentrate “S”
and water:


1 part “S” to 100 parts water
[40 ml “S” to 1 gallon (4 liters) water]
For temperatures below freezing point, use
MB Windshield Washer Concentrate “S”
and commercially available premixed
windshield washer solvent/antifreeze:


1 part “S” to 100 parts solvent
[40 ml “S” to 1 gallon (4 liters) solvent].
Warning!
G
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts, because it may ignite
and burn. You can be seriously burned.

437 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 323)
Air pressure
(page 323)
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.
Aspect ratio
(page 323)
Bar
(page 323)
BAS
(Brake 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.Bead
(
page 323)
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
(Customer 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.
Cold tire inflation pressure
(
page 323)
Collapsible tire
An especially compact spare tire that
must be inflated with a provided air
pump before using. It should only be
used to bring the vehicle to the nearest
service station.
COMAND*
(Cockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and navi-
gation system, as well as other optional
equipment (CD changer, telephone,
etc.).

443 Index
A
ABS 25, 81, 437
Malfunction indicator lamp 340
Messages in display 353
Warning lamp 340
Accelerator position, automatic
transmission* 165
Accessory weight 323
Accident
In case of 55
Activating
Air conditioning (cooling) 193
Climate control 179
Air recirculation mode 189
Climate control 177
Anti-theft alarm system 86
Automatic climate control* 183
Central locking (control system) 148
Charcoal filter 191
Climate control 173
Climate control system 175
Defrosting 188
Climate control 177
Easy-entry/exit feature* 148
Electric air pump 399
ESP 85Exterior headlamps 51
Exterior lamps 111
Exterior rear view mirror parking
position* 169
Hazard warning flasher 116
Headlamps 51
High beams 114
Ignition 33
Immobilizer 86
Rear fog lamp 113
Rear window defroster 170
Residual heat 193
Seat heating* 106
Tow-away alarm 88
Windshield wipers 53
Adding
Coolant 296, 297
Engine oil 294
Headlamp cleaning fluid 299
Windshield washer fluid 299
Additional turn signals 385
Adjustable air vents, rear passenger
compartment 194
Climate control 180Adjusting 35
Air distribution 186
Climate control 176
Air volume 187
Climate control 176
Backrest tilt 36, 38
Exterior rear view mirrors 42
Head restraint height 37, 38
Head restraint height, rear seats 103
Head restraint tilt 37, 39
Head restraint tilt, rear seats 105
Head restraints, rear seats
Folding back 104
Placing upright 105
Instrument cluster illumination 119
Interior rear view mirror 42
Manual seat 36
Mirrors 42
Rear seat head restraints 103
Seat cushion tilt 36, 38
Seat fore and aft adjustment 36, 38
Seat height 36, 38
Seats 35
Steering column height 42
Steering column length 42
Steering wheel 40

445 Index
Audio system 195
Audio and telephone, operation 195
Button and soft key operation 198
CD* operation 213
Operating and display elements 196
Operating safety 195
Operation 198
Radio operation 203
Switching off 199
Switching on 198
Telephone* operation 220
Auto-dimming* for rear view mirror 168
Automatic central locking
Activating/deactivating (control
system) 148
Automatic climate control* 182
Activating 183
Adjusting air distribution 186
Air recirculation mode 189
Deactivating 183
Defrosting 188
Setting the temperature 185
Automatic headlamp mode 111
Automatic lighting control
Activating 117
Deactivating 117Automatic locking when driving 97
Automatic shift program*
Program mode selector switch 164
Automatic time change
(summer-/winter) 141
Automatic transmission* 159, 296
Accelerator position 165
Automatic shift program 164
Comfort program mode 164
Emergency operation (Limp Home
Mode) 166
Fluid level 296
Gear ranges 161
Gear selector lever 159
Gear selector lever position 159, 162
Gear shifting malfunctions 166
Kickdown 165
Manual shifting 160
One-touch gearshifting 160
Program mode selector switch 164
Starting with 49
Transmission fluid 296
Working on the vehicle 165B
Backrest
Folding forward 251
Folding rearward 251
Backup lamps
Bulbs 384
Bar 323
BAS 82, 437
Messages in display 354
Batteries, SmartKey
Check lamp 93
Checking 93
Replacing 382, 383
Battery discharged
Jump starting 404
Battery, vehicle 297, 401
Charging 402
Disconnecting 402
Reconnecting 403
Reinstalling 402
Removing 402
Bead 323
Bi-Xenon headlamps* 437
Bi-Xenon type*
Front lamp bulbs 388
Block heater 329