2003 MERCEDES-BENZ SL500 start the engine

262 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
Distronic
External fault
Reactivate!
Distronic* is switched off and is
temporarily unavailable.

Try activating Distronic* again later.
Clear sensor!
See Owner’s Man.
Distronic* is switched off be-
cause the Distronic* cover in the
radiator grille is dirty.

Clean the Distronic* cover in the radiator grille
(page 246).

Restart the vehicle.
Visit workshop!
Distronic* is malfunctioning or
the display is malfunctioning.

Visit an authorized
Mercedes-Benz Center as soon as possible.
P
Selector lever
to P!
You have turned off the engine
with the KEYLESS-GO*
start/stop button* and opened
the driver’s door.

Place the selector lever in position P.
Cruise
Control
Visit workshop!
Cruise control or Distronic* is
malfunctioning.

Have the cruise control or Distronic* checked
by an authorized Mercedes-Benz Center.

265 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
2
Brake lining wear!
Visit workshop!
The brake pads have reached their
wear limit.

Have the brake pads replaced as soon as
possible.
T
Brake defective!
Stop vehicle!
The SBC brake system is in emer-
gency operation mode. Consider-
ably greater brake pedal force is
required and the stopping distance
is increased.
The maximum speed is limited to
55 mph (90 km/h).

Do not drive any further.

Stop the vehicle and notify an authorized
Mercedes-Benz Center.

Significantly greater force must be applied
to the brake pedal.

Call for roadside assistance.
Reduced
brake effect
Start engine!
The battery has insufficient voltage
and cannot supply sufficient power
to the SBC brake system.

Start the engine.
As soon as the engine is running, the mes-
sage disappears.
!Brake pad thickness must be visually
checked by a qualified technician at the
intervals specified in the Service book-
let.

268 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
Except Canada:;Canada only:3
Service brake
Visit workshop!
There are malfunctions, but the SBC
brake system is operating normally.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Incr.
braking distance
Start engine!
The battery has insufficient voltage
and cannot supply sufficient power
to the SBC brake system.

Start the engine.
The message disappears when sufficient
voltage is available.
Brakes overheated!
Drive carefully!
The brake system is overheated due
to an excessive load on the brakes.

Relieve the load on the brake system.

Drive more smoothly and think ahead to
avoid unnecessary braking.

When driving down steep grades, shift into a
lower gear to use the engine’s braking power
(page 139).

Cautiously continue driving so that the air
stream will cool down the brakes.

269 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
F
Chip card
Check battery!
The KEYLESS-GO* card batteries are
discharged.

Change the batteries (
page 294).
Chip card
not recognised!
The KEYLESS-GO* card is not recog-
nized while the engine is running be-
cause

the card is not in the vehicle


there is strong radio-frequency
interference

Stop the vehicle as soon as it is safe to do
so.

Search for the card or continue to operate
the vehicle with the key.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again
after the engine is stopped.
The KEYLESS-GO* card is momen-
tarily not recognized.

Change the position of the card in the vehi-
cle.

Operate the vehicle with the key if neces-
sary.
Chip card
still in vehicle!
A KEYLESS-GO* card left in the vehi-
cle was recognized while locking the
vehicle from the outside.

Take the card out of the vehicle.
KEYLESS-GO
Visit workshop!
The KEYLESS-GO* system is mal-
functioning.

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

270 Practical hintsWhat to do if …F
Chip card!
Do not forget!
This display appears (for a maximum
of 60 seconds) if the driver’s door is
opened with the engine shut off and
no key in the starter switch.
Message is only a reminder.

Insert key in the starter switch.

Take the KEYLESS-GO* card with you when
leaving the vehicle.
ì
Function
not available!
This display appears if button
ì

or
í
on the multifunction steer-
ing wheel is pressed and the vehicle
is not equipped with a telephone.
Left display
Right display
Possible cause
Possible solution

271 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
F
KEYLESS GO
Check system
The KEYLESS-GO* system is mal-
functioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Key
Do not forget
This display appears (for a maximum
of 60 seconds) if the driver’s door is
opened with the engine shut off and
no key in the starter switch.
Message is only a reminder.

Insert key in the starter switch.

Take the SmartKey with KEYLESS-GO* with
you when leaving the vehicle.
_
Entry position
Do not drive!
Seat, mirrors and steering wheel
have not yet moved into their preset
driving positions.

Wait until the seat, mirrors and steering
wheel have moved to their driving positions.
The message disappears.
Except Canada:;Canada only:!
Release
parking brake!
You are driving with the parking
brake set.

Release the parking brake (
page 41).

273 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
Ï
Coolant
Stop, engine off!
The coolant is too hot.
The poly-V-belt could be broken.

Stop the vehicle.

Only start the engine again after the message
disappears. You could otherwise damage the
engine.

Stop immediately and check the poly-V-belt.
If it is broken, do not drive any further.
Notify an authorized Mercedes-Benz Cen-
ter.
If it is in order, drive immediately to the
nearest authorized Mercedes-Benz Cen-
ter.
Warning!
G
Driving when your engine is badly overheat-
ed can cause some fluids which may have
leaked into the engine compartment to
catch fire. You could be seriously burned.
Steam from an overheated engine can cause
serious burns and can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until it
cools down. The engine should not be oper-
ated with the coolant temperature above
266°F (130°C). Doing so may cause serious
engine damage which is not covered by the
Mercedes-Benz Limited Warranty.

319 Practical hints
Batteries
Batteries
Your vehicle is equipped with two batter-
ies:

The starter battery (located in the en-
gine compartment)


The battery for electrical consumers
(located in the trunk)
Starter battery in the engine compartment1Positive terminal
2Negative terminal
Warning!
G
Failure to follow these instructions can re-
sult in severe injury or death.
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking, etc.
!Never loosen or detach battery termi-
nal clamps while the engine is running
or the key is in the starter switch. Oth-
erwise the alternator and other elec-
tronic components could be severely
damaged.
Have the starter battery checked regu-
larly by an authorized Mercedes-Benz
Center
Refer to Service Booklet for mainte-
nance intervals or contact your autho-
rized Mercedes-Benz Center for further
information.Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof batteries only to avoid the
risk of acid burns in the event of an acci-
dent.