MERCEDES-BENZ S CLASS 2005 Owners Manual

349 Practical hints
What to do if …?
Text messagesDisplay
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 an authorized Mercedes-Benz center as
soon as possible.
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
uneven surface.

Press the vehicle level control button to se-
lect level 2 (
page 232).
ABC is malfunctioning.

Stop and press the vehicle level control but-
ton to select a higher vehicle level
(page 232).

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 an authorized Mercedes-Benz center as
soon as possible.
DISPLAY DEFECTIVE
VISIT WORKSHOP
The display for ABC or the ABC system itself
is malfunctioning.

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

350 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
ABC
ACTIVE BODY CONTROL
VISIT WORKSHOP
The capability of the ABC system is restrict-
ed.

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

Visit an authorized Mercedes-Benz center as
soon as possible.
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 braking, reducing steer-
ing capability.

Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.
DISPLAY DEFECTIVE
VISIT WORKSHOP
The ABS or the ABS display is malfunction-
ing.

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

Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.
AIR CLEANER
CHANGE CARTRIDGE
VISIT WORKSHOP
The air filter is clogged.

Have the air filter checked by an authorized
Mercedes-Benz Center.

351 Practical hints
What to do if …?
Display
Possible cause
Possible solution
DISTRONIC
EXTERNAL MALFUNCTION
REACTIVATE
Distronic* is switched off and is temporarily
unavailable.

Try activating Distronic* again later.
DISTRONIC
CURRENTLY
UNAVAILABLE
SEE OPERATORS MANUAL
Distronic* is switched off because the Dis-
tronic* cover in the radiator grille is dirty.

Clean the Distronic* cover in the radiator
grille (
page 333).

Restart the vehicle.
DISTRONIC
DRIVE TO WORKSHOP
Distronic* is malfunctioning or the display
is malfunctioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
ESP
MALFUNCTION
VISIT WORKSHOP
The ESP has detected a malfunction and
switched off.
The ABS may still be operational.

Continue driving with added caution.

Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.
DISPLAY DEFECTIVE
VISIT WORKSHOP
The ESP or the ESP display is malfunction-
ing.

Continue driving with added caution.

Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.

352 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
ESP UNAVAILABLE
SEE OPERATORS MANUAL
The ESP was deactivated the power supply
has been interrupted.
The ABS is still operational.

Synchronize the ESP. With the vehicle sta-
tionary and the engine running, turn the
steering wheel completely to the left and
then to the right to synchronize the ESP.
If the ESP message does not go out:

Continue driving with added caution.

Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.
!When synchronizing the ESP, make
sure you can turn the steering wheel in
both directions as far as it will go with-
out the wheel hitting any objects, e.g.
aroad curb.

353 Practical hints
What to do if …?
Display
Possible cause
Possible solution
MOVE SELECTOR LEVER
TO PARK
You have tried to turn off the engine with
the KEYLESS-GO* start/stop button
(page 35) with the gear selector lever not
inP.

Place the gear selector lever in positionP.
PRE-SAFE INACTIVE
SEE OPERATORS MANUAL
If BAS or ESP malfunction messages are
displayed simultaneously, PRE-SAFE has
been deactivated as a result of these mal-
functions. All other occupant safety sys-
tems, such as the air bags, are still
available.

Visit an authorized Mercedes-Benz Center as
soon as possible.
PRE-SAFE itself has failed. All other occu-
pant safety systems, such as the air bags,
are still available.

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

354 Practical hintsWhat to do if …?Symbol messagesDisplay
Possible cause
Possible solution
@
AIRMATIC
STOP, CAR TOO LOW
The vehicle is parked on an extremely
uneven surface.

Press the vehicle level control button to
select the raised vehicle level
(page 230).
The vehicle level control is malfunction-
ing.

Stop and press the vehicle level control
button to select a higher vehicle level
(page 230).

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 an authorized Mercedes-Benz center
as soon as possible.
AIRMATIC
DRIVE CAREFULLY!
The capability of the Airmatic system is
restricted.

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

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

355 Practical hints
What to do if …?
Display
Possible cause
Possible solution
@
DISPLAY DEFECTIVE
VISIT WORKSHOP
The display for Airmatic or the Airmatic
system itself is malfunctioning.

Visit an authorized
Mercedes-Benz Center as soon as possi-
ble.
AIRMATIC
LEVELING CANCELLED


You have exceeded a speed of
75 mph (120 km/h).
or


You have maintained a speed of be-
tween 50 mph (80 km/h) and 75 mph
(120 km/h) for more than 5 minutes.

Press the vehicle level control button to
adjust the vehicle level (
page 230).

356 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
#
BATTERY CHARGE
VISIT WORKSHOP
The battery is no longer charging.
Possible causes:

alternator malfunctioning


broken poly-V-belt
Do not forget that the brake system re-
quires electrical energy and may be oper-
ating with restricted capability.
Considerably greater brake pedal force is
required and the stopping distance is
longer.

Stop immediately and check the
poly-V-belt.
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 autho-
rized Mercedes-Benz Center. Adjust driv-
ing to be consistent with reduced braking
responsiveness.
;(USA only)!(Canada only)
RELEASE
PARKING BRAKE
You are driving with the parking brake en-
gaged.

Release the parking brake (
page 48).

357 Practical hints
What to do if …?
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Possible cause
Possible solution
2
BRAKE PAD WEAR
VISIT WORKSHOP
The brake pads have reached their wear
limit.

Have the brake pads replaced as soon as
possible.
;(USA only)3(Canada only)
BRAKE FLUID
VISIT WORKSHOP
There is insufficient brake fluid in the res-
ervoir.

Risk of accident! Stop the vehicle and no-
tify an authorized Mercedes-Benz Center.
Do not add brake fluid! This will not solve
the problem.
Failure to follow these instructions increases
the risk of accident.
Warning!
G
Driving with this message displayed can re-
sult in an accident. Have your brake system
checked immediately. Don’t add brake fluid
before checking the brake system. Overfill-
ing the brake fluid reservoir can result in
spilling brake fluid on hot engine parts and
the brake fluid catching fire. You can be se-
riously 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.
!Brake pad thickness must be visually
checked by a qualified technician at the
intervals specified in the Maintenance
Booklet.

358 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
?
VISIT WORKSHOP
There may be a malfunction in the:

Fuel injection system


Ignition system


Exhaust system


Fuel system

Visit an authorized Mercedes-Benz
Center as soon as possible.
B
COOLANT
CHECK LEVEL!
The coolant level is too low.

Add coolant (
page 292).

If you have to add coolant frequently,
have the cooling system checked by an
authorized Mercedes-Benz Center.
Warning!
G
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. You can be seriously burned.
!Do not ignore the low engine coolant
level warning. Extended driving with
the message and symbol displayed
may cause serious engine damage not
covered by the Mercedes-Benz Limited
Warranty.
Do not drive without a sufficient
amount of coolant in the cooling sys-
tem. The engine will overheat, causing
major engine damage.