MERCEDES-BENZ C350 2007 W203 Owner's Manual

350 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Brake lamp
leftThe left brake lamp is malfunctioning.Replace the bulb as soon as possible
(
page 373).
Brake lamp
rightThe right brake lamp is malfunctioning.Replace the bulb as soon as possible
(
page 373).
Front
foglamp
leftThe left front fog lamp is malfunctioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Front
foglamp
rightThe right front fog lamp is malfunctioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Front left
side marker
lampThe left front side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Front right
side marker
lampThe right front side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
High beam
leftThe left high beam lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 371).
High beam
rightThe right high beam lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 371).

351 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.License plate
lamp, leftThe left license plate lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 374).
License plate
lamp, rightThe right license plate lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 374).
Low beam
leftThe left low beam lamp is malfunctioning.Halogen headlamp:
Replace the bulb as soon as possible
(
page 370).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Center as soon as possible.
Low beam
rightThe right low beam lamp is
malfunctioning.Halogen headlamp:
Replace the bulb as soon as possible
(
page 370).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Center as soon as possible.
Parking lamp
front leftThe left front parking lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 371).
Parking lamp
front rightThe right front parking lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 371).

352 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Rear
fog lamp
Auxiliary bulb
onThe rear fog lamp is malfunctioning.
A substitute bulb is being used.Replace the bulb as soon as possible
(
page 373).
Reverse
lamp
leftThe left backup lamp is malfunctioning.Replace the bulb as soon as possible
(
page 373).
Reverse
lamp
rightThe right backup lamp is malfunctioning.Replace the bulb as soon as possible
(
page 373).
Switch off
lightsYou have removed the SmartKey from the
starter switch, opened the driver’s door
and left the headlamps on.Switch off the headlamps.
Tail lamp
left
Auxiliary bulb
on

The left tail lamp is malfunctioning.
A substitute bulb is being used.Replace the bulb as soon as possible
(
page 373).
Tail lamp
right
Auxiliary bulb
on

The right tail lamp is malfunctioning.
A substitute bulb is being used.Replace the bulb as soon as possible
(
page 373).

353 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Turn signal
front leftThe left front turn signal lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 371).
Turn signal
front rightThe right front turn signal lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 371).
Turn signal
left side
mirrorThe turn signal in the left exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if a critical number
of LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Turn signal
right side
mirrorThe turn signal in the right exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if a critical number
of LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Turn signal
rear left
Auxiliary bulb
onThe left rear turn signal lamp is malfunc-
tioning. A substitute bulb is being usedReplace the bulb as soon as possible
(
page 373).
Turn signal
rear right
Auxiliary bulb
onThe right rear turn signal lamp is malfunc-
tioning. A substitute bulb is being used.Replace the bulb as soon as possible
(
page 373).

354 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
_Steering oil
Visit workshopThe steering gear oil level is too low.
There is a danger of steering gear
damage.Have the system checked by an
authorized Mercedes-Benz Center.
Warning!G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at an authorized Mercedes-Benz
Center as soon as possible.

355 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
LTele Aid malfunction.
Drive to workshopOne or more main functions of the Tele
Aid system* are malfunctioning.Have the Tele Aid system* checked by
an authorized Mercedes-Benz Center.
tFunction unavailableThis display appears if buttont
ors on the multifunction steering
wheel is pressed and the vehicle is not
equipped with a telephone*.
WTop up
washer fluidThe fluid level has dropped to
about1/3of total reservoir capacity.
Add washer fluid (page 280).

356 Practical hints
Where will I find ...?
First aid kit
The first aid kit is located in the trunk on
the left side secured by a hook and loop
fastener.
1First aid kit
2Hook and loop fastener
Unfasten hook and loop fastener2.
Remove first aid kit1.
Vehicle tool kit
The vehicle tool kit is located in the storage
compartment underneath the trunk floor.
The following is included:

Towing eye bolt

Wheel wrench

Alignment bolt

Vehicle jack

Spare fuses

Collapsible wheel chock

A pair of gloves Removing the vehicle tool kit
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
1Retaining screw
2Storage well casing
Loosen retaining screw1 by turning it
counterclockwise.
Remove storage well casing2.
iCheck expiration dates and contents for
completeness at least once a year and replace
missing/expired items.

357 Practical hints
Where will I find ...?
3Arrow
4Minispare wheel with spare wheel bolts
in container on wheel rim
5Vehicle tool kit storage well casing
6Vehicle tool kit
Remove vehicle tool kit6.Storing the vehicle tool kit
Place vehicle tool kit6 in vehicle tool
kit storage well casing5.
Place storage well casing2 over the
vehicle tool kit storage well casing5
and turn retaining screw1 clockwise
as far it will go to secure the Minispare
wheel.Vehicle jack
iArrow3 on vehicle tool kit storage well
casing5 must point in the direction of travel.
Otherwise you cannot place the storage well
casing2 on top and secure the Minispare
wheel with retaining screw1.
!To prevent damage, always disengage trunk
floor handle from upper edge of trunk and lower
trunk floor before closing the trunk.
Warning!G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides of the vehicle. To help
avoid personal injury, use the jack only to lift
the vehicle during a wheel change. Never
get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from
the area under the lifted vehicle. Always
firmly set parking brake and block wheels
before raising vehicle with jack.
Do not disengage parking brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use,
especially on hills. Always try to use the jack
on level surface. Make sure the jack arm is
fully seated in the jack take-up bracket.
Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.

358 Practical hints
Where will I find ...?
The vehicle jack is located in the storage
compartment underneath the trunk floor.
Storage position
Turn crank handle in direction of arrow
as far as it will go.
Push crank handle up.
Operational position
Turn crank handle clockwise.
Before storing the vehicle jack in its
compartment:

It should be fully collapsed.

The handle must be folded in (storage
position).Setting up the collapsible wheel chock
The collapsible wheel chock serves to
additionally secure the vehicle, e.g. while
changing the wheel.
1Tilt the plate upward
2Fold the lower plate outward
3Insert the plate

359 Practical hints
Where will I find ...?
Tilt both plates upward1.
Fold the lower plate outward2.
Guide the tabs of the lower plate all the
way into the openings of the base
plate3.
For information on where to place wheel
chocks when changing a wheel, see “Lift-
ing the vehicle” (
page 378).
Minispare wheel
The Minispare wheel is located in the
storage compartment underneath the
trunk floor.
Removing the Minispare wheel
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
Loosen the retaining screw
(
page 356) in the middle of storage
well casing.
Remove the storage well casing
(
page 356).1Vehicle tool kit
2Arrow
3Minispare wheel with spare wheel bolts
in container on wheel rim
4Vehicle tool kit storage well casingRemove vehicle tool kit storage well
casing4.
Remove Minispare wheel3.