2003 MERCEDES-BENZ CL55AMG Owner's Manual

265 Practical hints
What to do if …?
Problem
Possible cause
Suggested solution
l
The red distance indicator lamp
lights up while driving.
You are too close to the vehicle in front of you
to maintain selected speed.

Apply the brakes immediately to in-
crease the following distance.
l
The red distance indicator lamp
comes on while driving and you
hear a warning sound.


You are gaining too rapidly on the vehicle
ahead of you.


The distance warning system has recog-
nized a stationary obstacle on your prob-
able line of travel.

Apply the brakes immediately.

Carefully observe the traffic situation.
You may need to brake or maneuver
to avoid hitting an obstacle.
-
The yellow ABS malfunction indi-
cator lamp comes on while driv-
ing.
The ABS has detected a malfunction and has
switched off. The BAS and the ESP are also
switched off (see messages in display).
The brake system is still functioning normally
but without the ABS available.
If the ABS control unit control unit is malfunc-
tioning, other systems such as Parktronic*,
Distronic*, the navigation system and the au-
tomatic transmission can also malfunction.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Failure to follow these instructions in-
creases the risk of an accident.
The charging voltage has fallen below
10 volts and the ABS has switched off.

When the voltage is above this value
again, the ABS is operational again.

If necessary, have the generator and
battery checked.

266 Practical hintsWhat to do if …?<
The red seat belt warning lamp
blinks for a brief period after
starting the engine.
The warning lamp reminds you to fasten seat
belts.

Fasten your seat belt.
1
The red SRS indicator lamp lights
up while driving.
There is a malfunction in the restraint sys-
tems. The airbags or emergency tensioning
device (ETDs) could deploy unexpectedly or
fail to activate in an accident.

Drive with added caution to the near-
est authorized Mercedes-Benz Cen-
ter.
Problem
Possible cause
Suggested solution
Warning!
G
In the event that a malfunction of the SRS is
indicated as outlined above, the SRS may
not be operational. For your safety, we
strongly recommend that you visit an autho-
rized Mercedes-Benz Center immediately to
have the system checked; otherwise the
SRS may not be activated when needed in
an accident, which could result in serious or
fatal injury, or it might deploy unexpectedly
and unnecessarily which could result in an
accident and/or injury to you or to others.

267 Practical hints
What to do if …?
Problem
Possible cause
Suggested solution
Except Canada:;Canada only:3
The red brake warning
lamp lights up while
driving and you hear a
warning sound.
You are driving with the parking brake set.

Release the parking brake.
The red brake warning
lamp lights up while
driving.
There is insufficient brake fluid in the reser-
voir.

Risk of accident! Carefully stop the
vehicle and notify an authorized
Mercedes-Benz Center. Do not add
brake fluid! This will not solve the
problem.
Warning!
G
Driving with the brake warning lamp illumi-
nated can result in an accident. Have your
brake system checked immediately if the
brake warning lamp stays on. Don’t add
brake fluid before checking the brake
system.
Overfilling the brake fluid reservoir can re-
sult in spilling brake fluid on hot engine
parts and the brake fluid catching fire. You
can be seriously burned.
!If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks.

268 Practical hintsWhat to do if …?Problem
Possible cause
Suggested solution
?
The yellow “CHECK ENGINE”
malfunction indicator lamp
comes on while driving.
There is a malfunction in:

The fuel management system


The ignition system


The emission control system


Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its Limp-Home Mode (emergency opera-
tion).

Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics sys-
tem. It allows the accurate identifica-
tion of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left
area of the footwell next to the park-
ing brake pedal.
Your gas tank is empty.

After refuelling start the engine three
or four times in succession.
The Limp-Home Mode is canceled. You
do not need to have your vehicle
checked.
The yellow fuel tank reserve
warning lamp lights up while
driving.
The fuel level has dropped below the reserve
mark.

Refuel at the next gas station
(page 235).
The fuel cap not closed tight.

Check the fuel cap (
page 235).

269 Practical hints
What to do if …?
Lamp in center consoleProblem
Possible cause
Suggested solution
The PASSENGER AIRBAG OFF indicator
lamp lights up.
A BabySmart
TM child seat is installed on the
front passenger seat. Therefore the front
passenger airbag is switched off.
The system is malfunctioning if there is no
BabySmart
TM child seat installed on the front
passenger seat.

Have the system checked as soon as
possible by an authorized
Mercedes-Benz Center.
The PASSENGER AIRBAG OFF indicator
lamp does not light up with a BabySmart
TM
child seat properly installed on the front
passenger seat.The system is malfunctioning.

Make sure that there is nothing be-
tween seat cushion and child seat and
check installation of the child seat.

If the light remains out, have the sys-
tem checked as soon as possible by
an authorized Mercedes-Benz Center.
Do not use the BabySmart
TM restraint
to transport children on the front pas-
senger seat until the system has been
repaired.

270 Practical hintsWhat to do if …?Messages in the display
The control system shows warning and
malfunction messages in the multifunction
display.
Certain warning and malfunction messag-
es are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.
Selecting the malfunction memory menu in
the control system (
page 130) displays
both cleared and uncleared messages.
High-priority messages appear in the mul-
tifunction display in red color.
Certain messages of high priority cannot
be cleared from the multifunction display
using the reset button J
.
Other messages of high priority or messag-
es of less immediate priority (regular dis-
play colors) can be cleared from the
multifunction display using the reset but-
ton
J
.These are then stored in the malfunction
message memory (
page 130).
On the pages that follow, you will find a
compilation of all the messages that may
appear in the display.
High priority messages appear on a red
background.
Warning!
G
All categories of messages contain impor-
tant information which should be taken note
of and, where a malfunction is indicated, ad-
dressed as soon as possible at an autho-
rized Mercedes-Benz Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property dam-
age or personal injury.Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
Contact your nearest authorized
Mercedes-Benz Center.
iTurning the key in the starter switch to
position2, or pressing the KEY-
LESS-GO* start/stop button twice to
position2 causes all lamps as well as
the multifunction display to come on.
Ensure that they are all in working or-
der before starting your journey.

271 Practical hints
What to do if …?
Display
Possible cause
Possible solution
ABC
ACTIVE BODY CONTROL
DRIVE CAREFULLY
!
The capability of the ABC system is restrict-
ed. This can impair the handling.

Do not exceed a speed of 50 mph
(80 km/h).

Visit a service center as soon as pos-
sible.
The vehicle is losing oil.

Stop your vehicle as soon as it is safe
to do so.
ACTIVE BODY CONTROL
STOP, CAR TOO LOW!
The vehicle is parked on an extremely un-
even surface.

Press the vehicle level control button
to select raised level 2 (
page 192).
ABC is malfunctioning.

Stop and press the vehicle level con-
trol button to select a higher vehicle
level (
page 192).

Do not turn steering wheel too far to
avoid damaging the front fenders.

Listen for scraping noises.

Do not exceed a speed of 50 mph
(80 km/h).

Visit a service center as soon as pos-
sible.
DISPLAY MALFUNCTION
VISIT WORKSHOP!
The display for ABC or the ABC system it-
self is malfunctioning.

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

272 Practical hintsWhat to do if …?ABC
VISIT WORKSHOP!
The capability of the ABC system is restrict-
ed.

Do not exceed a speed of 50 mph
(80 km/h).

Visit a service center as soon as pos-
sible.
ABS
MALFUNCTION!
VISIT WORKSHOP!
The ABS has detected a malfunction and
has switched off. The ESP and the BAS are
also deactivated.
The brake system is still functioning nor-
mally but without the ABS available.

Continue driving with added caution.
Wheels may lock during hard brak-
ing, reducing steering capability.

Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.
DISPLAY MALFUNCTION
VISIT WORKSHOP!
The ABS or the ABS display is malfunction-
ing.

Continue driving with added caution.
Wheels may lock during hard brak-
ing, reducing steering capability.

Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.
Display
Possible cause
Possible solution