2004 MERCEDES-BENZ C CLASS COUPE brake light

277
Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
A
RESERVE FUEL
GO TO GAS STATION!
The fuel level has dropped below the
reserve mark.

Refuel at the next gas station
(page 233).
CHECK GAS CAP!
SEE OPERATOR’S MANUAL
The fuel cap is not closed tightly.

Check the fuel cap.
Y
HOOD OPEN!
You are driving with the hood open.

Close the hood (
page 236).
I
REMOVE KEY!
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the starter
switch.
REPLACE KEY!
DRIVE TO WORKSHOP!
No additional code available for
SmartKey.

Change the SmartKey.
.
3RD BRAKE LIGHT
CHECK LIGHT!
The high mounted brake lamp is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
AUTOM. LIGHT ON
REMOVE KEY!
SmartKey in starter switch position
1
or 2.

Remove SmartKey from the starter
switch.
BRAKE LIGHT
DRIVE TO WORKSHOP!
Brake lamp illumination is delayed or
lamp is permanently on.

Visit an authorized Mercedes-Benz
Center as soon as possible.
BRAKE LIGHT, L
CHECK LIGHT!
The left brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
BRAKE LIGHT, R
CHECK LIGHT!
The right brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
DISPLAY MALFUNCTION
VISIT WORKSHOP!
The display for the lamps or the system is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.

294 Practical hintsReplacing bulbsRear lampsNotes on bulb replacement


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


Switch lights off before changing 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 follow-
ing lamps replaced by an authorized
Mercedes-Benz Center.

Additional turn signals in the exteri-
or rear view mirrors


High mounted brake lamp


Xenon lamps


Front fog lamps
Lamp
Type
6
Side marker lamp
5W5
7
High mounted brake
lamp
LED
8
License plate lamps
C5W
9
Brake lamp
P 21 W
Turn signal lamp
PY21W
Tail, parking stand-
ing and side marker
lamp
P21/5W
Rear fog lamp, driv-
er’s side
P21/4W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
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.
Bec a us e o f hi gh vo lt age in xen o n l am ps , i t i s
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

311
Practical hints
Jump starting
The battery is located in the engine com-
partment on the right hand side. The
terminals for jump starting are located in
front of the battery.
Make sure the two vehicles do not
touch.

Turn off the engine.
On both vehicles:

Turn off all electrical consumers.

Apply parking brake.

Shift gear selector lever to position P
(manual transmission to Neutral). 1
Positive terminal of charged battery
2 Positive under hood terminal in front of
discharged battery
3 Negative terminal of charged battery
4 Negative under hood terminal in front
of discharged battery

Connect positive terminal 1 of the
charged battery with positive under
hood terminal 2 in front of the dis-
charged battery with the jumper ca-
bles. Clamp cable to charged
battery 1 first.

Start engine of the vehicle with the
charged battery and run at idle speed.

Connect negative terminal 3 of the
charged battery with negative under
hood terminal 4 in front of the dis-
charged battery with the jumper ca-
bles. Clamp cable to charged
battery 3 first.

Start the engine of the disabled vehi-
cle.
Now you can turn on the electrical con-
sumers. Do not turn on the lights under
any circumstances.
Warning!
G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
(page 242).

341
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.
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 (indicator
lamp PASS. AIRBAG OFF in the center
console comes on). See your autho-
rized Mercedes-Benz Center for avail-
ability. BabySmart
TM 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.

349
Index
Automatic climate control
Deactivating 156
Automatic headlamp mode 99
Automatic lighting control Activating 103
Deactivating 103
Automatic locking when driving 87
Automatic transmission 139 Accelerator position 145
Emergency operation (Limp Home Mode) 145
Fluid level 241
Gear ranges 141
Gear selector lever position 142
Gear shifting malfunctions 145
Kickdown 145
Manual shifting 140
One-touch gearshifting 140
Program mode selector switch 144
Selector lever position 139 Starting with 45
Transmission fluid 241
Winter program mode 144
Auxiliary fuse box 318
B
BabySmartTM Airbag deactivation system 67, 341
Compatible child seats 67, 341
Self-test 68
Backrest Folding forward 198
Folding rearward 198
BAS 74, 341 Messages in display 265
Batteries, SmartKey Changing 290
Check lamp 83
Checking 84
Battery discharged Jump starting 310 Battery, vehicle 242, 307
Charging 308
Disconnecting 308
Messages in display 269
Reconnecting 308
Reinstalling 308
Removing 308
Bi-Xenon headlamps* 341
Bi-Xenon type Front lamp bulbs 296
Block heater 248
Bolts For spare wheel 287
Brake assist system (BAS) 341
Brake fluid 234, 332
Brake lamp bulbs 294
Brake lamp, high mounted 294
Brake pads Message in display 270
Brakes 224

350 Index
Warning lamp 259
Break-in period 222
Bulbs, replacing 293 Additional turn signals 293
Brake lamps 294
Fog lamps 293
Front lamps 293
High beam 293
High mounted brake lamp 294
License plate lamps 294, 299
Low beam 293
Parking lamps 293, 294, 296, 297
Rear fog lamp 294
Rear fog lamps 298
Side marker lamps 294, 298
Standing lamps 293, 294, 296, 297
Tail lamp assemblies 294, 298
Turn signal lamps 293, 294
Button Audio system 162 C
CAC (Customer Assistance Center) 341
Calling up
Range (distance to empty) 134
Service indicator 250
CAN system 341
Capacities Fuels, coolants, lubricants, etc. 330
Cargo compartment Lighting 104
Cassette operation Playing cassettes 172
Cassette player Operating 116
Catalytic converter 231
CD changer* 175
CD operation 175
CD player Operating 116
Center console 25 Lower part 26
PASS.AIRBAG OFF indicator
lamp 263
Upper part 25
Centigrade Setting temperature units 123
Central locking From inside 88
Switch 88
Switching on/off (control system) 129
Unlocking from inside 88
Central locking switch 88
Changing Batteries (SmartKey) 290
Key setting 129
Changing CDs 175
Charging Vehicle battery 308
CHECK ENGINE malfunction indicator lamp 260
Check gas cap Message in display 277

359
Index
Starting the engine 45
Unlocking with 30
Kickdown 145, 343
Kilometers/miles in speedometer 124
Km/h or mph in speedometer 124
L
Labels, identification 322
Lamp bulbs, exterior 293
Lamps Fog lamps 101
Lamps, exterior Front 293
Light sensor 278
Messages in display 277, 279–??
Rear 294
Lamps, indicator and warning ABS 258
Airbag Off 61
Battery (SmartKey) 83
Brakes 259 CHECK ENGINE 260
Coolant 271
Engine diagnostics 260, 262
ESP 261
Fuel reserve 262
Instrument cluster 261–262
Seat belts 262
Service indicator 249
SRS 57
Turn signals 23
Language Multifunction display 124
Setting 124
LATCH child seat mounts 70 Folding back 70
Layout of poly-V-belt drive 323
Leather upholstery Cleaning 256
License plate lamps Messages in display 278 Replacing bulbs 294, 299
Light alloy wheels Cleaning 254
Technical data 326
Light sensor 278
Lighter see Cigarette lighter 204
Lighting 98 Automatic headlamp mode 99
Combination switch 102
Daytime running lamp mode 100
Exterior lamp switch 98
Fog lamps 101
Front fog lamp 101
High beam flasher 102
High beams 102
Instrument cluster illumination 105
Interior 103
Locator lighting 100
Low beam 98
Manual headlamp mode 99

363
Index
Outside temperature indicator 107
Overdue service 249
Overhead control panel 27
Overspeed range 343
P
Paintwork 252
Panic alarm 72
Panic button on SmartKey 72
Panorama sliding/pop-up roof* 189
Parcel net In front passenger footwell 203
Parking 52, 225
Parking brake 46, 52 Engaging 52
Message in display 269
Releasing 46
Parking lamps Replacing bulbs 293, 294, 296, 297
Switching on 98
Parking position Exterior rear view mirrors 97, 132 Parts see Spare parts service 320
PASS.AIRBAG OFF
indicator lamp 67, 263
Passenger compartment 230 Fuse box in 317
Interior lighting 103
Interior rear view mirror 39
Parcel net in front passenger footwell 203
Passenger safety see Occupant safety 56
Pedals 223
Performance In cold weather 335
In hot weather 335
Phone book* Loading 136
Quick search 136
Phone number* Dialing 136
Redialing 136 Plastic and rubber parts
Cleaning 256
Playing CDs 177
Poly-V-belt drive 344 Layout 323
Positions (Memory function*) Recalling from memory 96
Storing into memory 96
Power assistance 223
Power seat* Adjusting backrest tilt 35
Adjusting head restraint height 36
Adjusting seat cushion tilt 35
Adjusting seat height 35
Front seat head restraints 91
Seat fore and aft adjustment 35
Power train 344
Power washer 252
Power window Opening and closing with SmartKey 188