MERCEDES-BENZ S550 2007 W221 Owner's Manual

600 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Reverse lamp,
Right
The right reverse lamp is malfunctioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Tail lamp/
brake lamp, Left
Substitute bulb on
The left tail lamp/brake lamp is malfunc-
tioning.
This message will only appear if all light
emitting diodes have stopped working. A
substitute bulb is being used.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Tail lamp/
brake lamp, Left
The left tail lamp/brake lamp is malfunc-
tioning.
This message will only appear if all light
emitting diodes have stopped working.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Tail lamp/
brake lamp, Right
Substitute bulb on
The right tail lamp/brake lamp is malfunc-
tioning.
This message will only appear if all light
emitting diodes have stopped working. A
substitute bulb is being used.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Tail lamp/
brake lamp, Right
The right tail lamp/brake lamp is malfunc-
tioning.
This message will only appear if all light
emitting diodes have stopped working.

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

601 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Night View Assist
inoperative
Night View Assist* is malfunctioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Night View Assist
currently unavailable
The temperature of the camera* is too high
(page 420).

Wait until the message “Night View Assist
available again” appears.
In addition you can:

Swing the camera* cover down
(page 539).

Adjust the air distribution of the automatic
climate control so that air flows upward
(page 230).
Night View Assist
Lights must be on
or set to AUTO
You have tried to switch on Night View As-
sist*, but the light switch is not set to *
or B.

Turn the exterior lamp switch to * or
B (
page 342).
Night View Assist
Not in Reverse gear
You have tried to switch on Night View As-
sist* while the automatic transmission was
in position R.

Shift the automatic transmission to P, N or D
(page 367).

602 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Night View Assist
Lights ON or AUTO,
not in R gear
You have tried to switch on Night View As-
sist* but the light switch is not set to *
or B.
In addition, the automatic transmission is in
positionR.

Turn the exterior lamp switch to * or
B (
page 342).

Shift the automatic transmission to P, N or D
(page 367).
Night View Assist
only when
it is dark
You have tried to switch on Night View As-
sist* by daylight.
You can only switch on Night View Assist* when
it is dark.
Engine oil level
Stop vehicle!
Switch engine off
S 600 only:
There is no oil in the engine. There is a dan-
ger of engine damage.

Carefully bring the vehicle to a halt as soon
as it is safe to do so in a safe location.

Turn off the engine.

Add engine oil (
page 494) and check the
engine oil level (page 494).

603 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
USA only:
Add 1.0 qts. engine oil
at next refueling
Canada only:
Add 1.0 l engine oil
at next refueling
S 600 only:
The engine oil level is too low.

Check the engine oil level (
page 494) and
add engine oil as required (page 494).

If you must add engine oil frequently, have
the engine checked for possible leaks.
Check engine oil level
at next refueling
S 550 only:
The engine oil level has dropped to approx-
imately the minimum level.

Check the engine oil level (
page 495) and
add engine oil as required (page 494).

If you must add engine oil frequently, have
the engine checked for possible leaks.

604 Practical hintsWhat to do if …?When the message “Check engine oil level
at next refueling” (S 550) or “Add 1.0 qts.
(Canada:1.0 l) engine oil at next refueling”
(S 600) appears while the engine is run-
ning and at operating temperature, the en-
gine oil level has dropped to approximately
the minimum level.When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.
Visually check for oil leaks. If no obvious oil
leaks are noted, drive to the nearest ser-
vice station where the engine oil should be
topped to the required level with an ap-
proved oil specified in the Factory Ap-
proved Service Products pamphlet.Display
Possible cause/consequence
Possible solution
Engine oil level
cannot be
measured
S 600 only:
The measuring system is malfunctioning.

Have the measuring system checked by an
authorized Mercedes-Benz Center.
Engine oil level
Reduce oil level
S 600 only:
You have added too much engine oil.
There is a risk of damaging:

the engine


the catalytic converter

Have excess oil siphoned or drained off. Con-
tact an authorized Mercedes-Benz Center.
!
The engine oil level warnings should not be
ignored. Extended driving with the symbol dis-
played could result in serious engine damage
that is not covered by the Mercedes-Benz Limit-
ed Warranty.

605 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Restraint system
malfunction
Visit workshop
There is a malfunction in the supplemental
restraint systems. The air bags or emergen-
cy tensioning devices (ETDs) could deploy
unexpectedly or fail to activate in an acci-
dent.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Malfunction
on front left side
Visit workshop
Components of the driver’s supplemental
restraint system may not work properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Malfunction
on Front Right side
Visit workshop
Components of the front passenger’s sup-
plemental restraint system may not work
properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Malfunction
on Rear Left side
Visit workshop
Components of the left rear passenger’s
supplemental restraint system may not
work properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
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 fa-
tal injury, or it might deploy unexpectedly
and unnecessarily which could result in an
accident and/or injury to you or to others.

606 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Malfunction
in Rear Center
Visit workshop
Components of the center rear passenger’s
supplemental restraint system may not
work properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Malfunction
on Rear Right side
Visit workshop
Components of the right rear passenger’s
supplemental restraint system may not
work properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Left window curtain
airbag malfunction
Visit workshop
The left side window curtain air bag may not
work properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Right window curtain
airbag malfunction
Visit workshop
The right side window curtain air bag may
not work properly.

Drive with added caution to the nearest au-
thorized Mercedes-Benz Center.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
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 fa-
tal injury, or it might deploy unexpectedly
and unnecessarily which could result in an
accident and/or injury to you or to others.

607 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Tele Aid
inoperative
One or more main functions of the Tele Aid
system are malfunctioning.

Have the Tele Aid system checked by an au-
thorized Mercedes-Benz Center.
Tire pressure
Caution, tire defect
Vehicles with Advanced TPMS*:
One or more tires are deflating.

Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.

If necessary, change the wheel (
page 629).
Caution
Tire defect
Vehicles with Advanced TPMS*:
One or more tires are deflating. The respec-
tive tire is shown in the multifunction dis-
play.

Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.

If necessary, change the wheel (
page 629).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle. Continued
driving with a flat tire will cause excessive
heat build-up and possibly a fire.

608 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Tire pressure
Check tires
Vehicles with Advanced TPMS*:
The pressure is too low in one or more tires.

Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.

Check and adjust tire inflation pressure as
required (
page 514).

If necessary, change the wheel (
page 514).
Check tires
Vehicles with Advanced TPMS*:
The pressure is too low in one or more tires.
The respective tire is shown in the multi-
function display.

Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.

Check and adjust tire inflation pressure as
required (
page 514).

If necessary, change the wheel (
page 514).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle. Continued
driving with a flat tire will cause excessive
heat build-up and possibly a fire.

609 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Wheel sensor(s)
missing
One or more sensors malfunction (e.g. bat-
tery in one or more wheel sensor is empty).
One or more wheels without wheel sensors
mounted (e.g. spare tire).
No pressure value is shown on the multi-
function display for the tire in question.

Have the Advanced TPMS* checked by an
authorized Mercedes-Benz Center.

Have the wheel sensors installed by an
authorized Mercedes-Benz Center.
The tire pressure for the respective tire is
shown in the multifunction display after a few
minutes driving.
Tire pressure
Please rectify
Vehicles with Advanced TPMS*:
The pressure is too low in one or more tires.
Or the tire pressures of the individual
wheels differ too radically from one anoth-
er.

Check and adjust tire inflation pressure as
required (
page 514).