2007 MERCEDES-BENZ S550 Display

586 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Vehicle rising
Please wait a moment
The vehicle level is too low while at a stand-
still. The vehicle will be raised.

Do not drive off.

Wait until the message disappears from the
multifunction display.
You may then drive off.
The battery is no longer charging.
Possible causes:

alternator malfunctioning


broken poly-V-belt

Stop immediately and check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise the en-
gine will overheat due to an inoperative water
pump which may result in damage to the en-
gine. Notify an authorized Mercedes-Benz
Center.
If it is intact:

Drive immediately to the nearest authorized
Mercedes-Benz Center.

587 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Coolant,
please refill
See Oper. Manual
The coolant level is too low.

Add coolant (
page 497).

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 Lim-
ited Warranty.
Do not drive without a sufficient amount of cool-
ant in the cooling system. The engine will over-
heat, causing major engine damage.

588 Practical hintsWhat to do if …?
During severe operating conditions,
e.g. stop-and-go traffic, the coolant tem-
perature may rise close to 248°F (120°C).
Display
Possible cause/consequence
Possible solution
Coolant level
Stop vehicle!
Switch engine off
The coolant is too hot.

Stop the vehicle in a safe location or as soon
as it is saf e to do so and imm ediat ely turn of f
the engine.

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

Observe the coolant temperature gauge in
the instrument cluster (
page 28).
Warning!
G


Driving when your engine is overheated
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 which can occur
just by opening the engine hood. Stay
away from the engine if you see or hear
steam coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of
the vehicle and do not stand near the vehicle
until the engine has cooled down.
!
The engine should not be operated with the
coolant temperature above 248°F (120°C). Do-
ing so may cause serious engine damage which
is not covered by the Mercedes-Benz Limited
Warranty.

589 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Coolant level
Stop vehicle!
Switch engine off
The poly-V-belt could be broken.

Stop the vehicle in a safe location or as soon
as it is safe to do so and immediately turn off
the engine.

Check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise the en-
gine will overheat due to an inoperative water
pump which may result in damage to the en-
gine. Notify an authorized Mercedes-Benz
Center.
If it is intact:

Do not continue to drive the vehicle with this
message displayed. Doing so could result in
serious engine damage that is not covered by
the Mercedes-Benz Limited Warranty.

Observe the coolant temperature gauge in
the instrument cluster (
page 28).
(Continued on next page)

590 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Coolant level
Stop vehicle!
Switch engine off

Restart the engine.
If this message disappears from the multi-
function display:
Drive immediately to the nearest autho-
rized Mercedes-Benz Center.
If this message does not disappear from the
multifunction display:

Call Roadside Assistance.
The cooling fan for the coolant is malfunc-
tioning.

Observe the coolant temperature gauge in
the instrument cluster (
page 28).

Have the fan replaced as soon as possible.
You are driving with one or more doors
open.
The display symbol shows you which doors
are open.

Close the doors.

591 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Gas cap open
A loss of pressure has been detected in the
fuel system. The fuel cap may not be closed
properly or the fuel system may be leaky.

Check the fuel cap (
page 489).
If it is not closed properly:

Close the fuel cap.
If it is closed properly:

Have the fuel system checked by an autho-
rized Mercedes-Benz Center.
You are driving with the hood open.

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

Close the hood (
page 493).
There is otherwise danger of an accident.

592 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Key
not recognized
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause the SmartKey with KEYLESS-GO* is
not in the vehicle.

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

Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again
after the engine is stopped.
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause there is strong radio-frequency inter-
ference.

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

Remove KEYLESS-GO* button from over
starter switch (
page 316).

Operate the vehicle with the SmartKey in the
starter switch.
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.

Change the position of the SmartKey in the
vehicle.

If necessary, operate vehicle using SmartKey
with KEYLESS-GO* in starter switch under
KEYLESS-GO* button (
page 316).

593 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Close doors
to lock them
You wanted to lock the vehicle but not all
doors were closed.

Close doors and lock vehicle again.
Do not
forget key
This display appears (for a maximum of
60 seconds) if the driver’s door is opened
with the engine shut off and no SmartKey in
the starter switch.
This message is only a reminder.

Insert SmartKey in the starter switch.
or

Take the SmartKey with KEYLESS-GO* with
you when leaving the vehicle.
Please
remove key
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the starter
switch.
Change
key batteries
The batteries in the SmartKey with
KEYLESS-GO* are discharged.

Replace the batteries (
page 619).
Key
still in vehicle
A SmartKey with KEYLESS-GO* left in the
vehicle was recognized while locking the ve-
hicle from the outside.

Take the SmartKey with KEYLESS-GO* out of
the vehicle.