2007 MERCEDES-BENZ C280 stop start

328 Practical hints
What to do if …
ProblemPossible cause/consequenceSuggested solution
The yellow fuel tank reserve
warning lamp in the fuel gauge
(
page 24) comes on while
driving.
The fuel level has gone below the reserve
mark.Refuel at the next gas station
(
page 271).
on for a maximum of 6 seconds
after starting the engine.The seat belt telltale reminds you and your
passengers to fasten your seat belts before
driving off.Fasten your seat belts.
Regardless of whether the seat belts
are fastened or not, the seat belt tell-
tale always comes on and remains lit
for 6 seconds after starting the
engine.
maximum of 6 seconds after
starting the engine.You have forgotten to fasten your seat belt.Fasten your seat belt.
The warning chime stops sounding.
on while the vehicle is standing
still and the engine is running or
during driving.You and/or your front passenger have for-
gotten to fasten your seat belts.Fasten your seat belts.
The seat belt telltale goes out.
There are items placed on the front passen-
ger seat and therefore the system senses the
front passenger seat as being occupied.Remove the items from the front pas-
senger seat and put them in a safe
place.
The seat belt telltale goes out.

343 Practical hints
What to do if …
Symbol messages
Display symbolDisplay messagePossible cause/consequencePossible solution
#The battery is no longer charging.
Possible causes:

broken poly-V-belt

alternator malfunctioning
Stop immediately and check the
poly-V-belt in a safe location or as
soon as it is safe to do so.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an
inoperative water pump which may
result in damage to the engine. Notify
an authorized Mercedes-Benz Center.
If it is intact:
Drive immediately to the nearest
authorized Mercedes-Benz Center.
Low voltage
Charge batteryThe battery has insufficient voltage.Start the engine (page 46).
Low voltage
Switch off ConsumersThe battery has insufficient voltage.Turn off unnecessary electrical
consumers.

346 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
•Coolant
Stop, turn
engine offThe coolant is too hot.
Among other possible causes, the
poly-V-belt could be broken.Stop the vehicle in a safe location or
as soon as it is safe to do so.
Apply the parking brake (page 54).
Turn off the engine.
Check the poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an in-
operative water pump which may re-
sult in damage to the engine. Contact
an authorized Mercedes-Benz Center.
If it is intact:
Wait for the message to disappear be-
fore restarting the engine.
Doing otherwise could result in seri-
ous engine damage that is not covered
by the Mercedes-Benz Limited War-
ranty.
(Continued on next page)

361 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you are unable to unlock the vehicle with
the SmartKey, open the driver’s door and
the trunk using the mechanical key. Removing the mechanical key
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of
arrow.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking
Insert the mechanical key into the
driver’s door lock until it stops.
Turn the mechanical key counterclock-
wise to position1 until the locking
knob moves up.
The driver’s door is unlocked.
Pull the door handle to open the
driver’s door.
iUnlocking and opening the driver’s door
and/or the trunk with the mechanical key will
trigger the anti-theft alarm system*.
To cancel the alarm, do one of the following:

Press buttonŒ or‹ on the
SmartKey.

Insert the SmartKey in the starter switch.

391 Practical hints
Fuses
Fuses
The electrical fuses in your vehicle serve to
switch off malfunctioning power circuits.
If a fuse is blown, the components and sys-
tems secured by that fuse will stop operat-
ing.If a newly inserted fuse blows again, have
the cause determined and rectified by an
authorized Mercedes-Benz Center.
The following aids are available to help you
replace fuses.

Fuse chart
The fuse chart is located in the main
fuse box in the passenger compart-
ment (
page 392). The fuse chart ex-
plains the fuse allocation and fuse
amperages.

Spare fuses
Spare fuses are located in the vehicle
tool kit in the spare wheel well
(
page 356).

Fuse extractor
The fuse extractor is located in the cov-
er of the auxiliary fuse box in the trunk
(
page 394).The electrical fuses are located in different
fuse boxes:

in the passenger compartment on the
driver’s side (
page 392)

on the driver’s side of the engine com-
partment (
page 392)

in the trunk (page 394)
Before replacing fuses:
Apply the parking brake (page 54).
Make sure the gear selector lever* is
set to positionP (
page 153) (manual
transmission: to Neutral (
page 149)).
Turn off all electrical consumers.
Turn off the engine (page 55).
Remove the SmartKey from the starter
switch.
Warning!G
Only use fuses approved by Mercedes-Benz
with the specified amperage for the system
in question and do not attempt to repair or
bridge a blown fuse. Using other than ap-
proved fuses or using repaired or bridged
fuses may cause an overload leading to a
fire, and/or cause damage to electrical
components and/or systems. Have the
cause determined and remedied by an
authorized Mercedes-Benz Center
iA blown fuse must be replaced by an appro-
priate spare fuse (recognizable by its color or the
fuse rating given on the fuse) of the amperage
recommended in the fuse chart.
Any Mercedes-Benz Center will be glad to advise
you on this subject.

430 Index
P
Paintwork code 398
Paintwork, Cleaning 314
Panic alarm* 81
Parcel net
In front passenger footwell 239
Parking 54, 264
Parking brake 48, 54
Engaging 54
Message in display 344
Releasing 48
Parking lamps
Messages in display 351
Replacing bulbs 368
Parts service 396
Passenger compartment 268
Interior lighting 116
Interior rear view mirror 42
Main fuse box in 392
Parcel net in
front passenger footwell 239
Passenger safety see Occupant safety
Pedals 261
Performance
Cold weather 415
Hot weather 415Phone* see Telephone*
Plastic parts, cleaning 318
Poly-V-belt drive, Layout 400
Positions (memory function*) see Seats
Power assistance 262
Power outlet in
rear passenger compartment 243
Power seat* see Seats, Power* 37
Power tilt/sliding sunroof* 224
Opening/closing 224
Opening/closing
in an emergency 364
Opening/closing,
SmartKey 223
Stopping 226
Synchronizing 226
Power washer 314
Power windows 221
Cleaning 317
Opening/closing 221
Rear door window,
Blocking operation 80
Stopping 222
Synchronizing 222
Practical hints 322
Premium unleaded gasoline 413Problems
While driving 53
With vehicle 17
Product information 9
Production options weight 305
Program mode 121
Program mode see Automatic transmis-
sion, Automatic shift program
Program mode selector switch
Automatic shift program 157
PSI 306
Push starting 386
Push-start see Tow-start