2010 MERCEDES-BENZ S550 4MATIC lock

Display messagesPossible causes/consequences and M SolutionsÂKey Does
Not
Belong to
VehicleThe SmartKey in the starter switch does not belong to the
vehicle.XRemove the SmartKey from the starter switch.ÂReplace
Key
BatteryThe batteries in the SmartKey with KEYLESS-GO are
discharged.XReplace the batteries ( Y page 502).ÂKey Not
Detected
(message
appears in
red)The SmartKey with KEYLESS-GO is not detected while the
engine is running because the SmartKey is not in the vehicle.XStop the vehicle as soon as it is safe to do so.XEngage the electronic parking brake.XSearch for the SmartKey.
The vehicle cannot be locked centrally nor can the engine
be started again after the engine is stopped.ÂKey Not
Detected
(message
appears in
red)The SmartKey with KEYLESS-GO is not detected while the
engine is running because there is strong radio-frequency
interference.XStop the vehicle as soon as it is safe to do so.XEngage the electronic parking brake.XRemove the KEYLESS-GO button from the starter switch
( Y page 285).XOperate the vehicle with the SmartKey in the starter switch.ÂKey Not
Detected
(message
appears in
red)The SmartKey with KEYLESS-GO is momentarily not detected.XChange the position of the SmartKey in the vehicle.XIf necessary, remove the KEYLESS-GO button from the
starter switch ( Y page 285).XOperate the vehicle with the SmartKey in the starter switch.ÂKey Not
Detected
(message
appears in
white)The SmartKey with KEYLESS-GO is momentarily not detected.XChange the position of the SmartKey in the vehicle.XIf necessary, remove the KEYLESS-GO button from the
starter switch ( Y page 285).XOperate the vehicle with the SmartKey in the starter switch.ÂKey Being
Initialize
d… Please
WaitThe SmartKey with KEYLESS-GO is being initialized in the
vehicle.XWait until the message disappears from the multifunction
display.Vehicle status messages in the multifunction display479Practical hints221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 479Z

BrakeProblemPossible causes/consequences and M Solutions!The yellow ABS
indicator lamp
comes on while
the engine is
running.The brake system is still functioning normally but due to a
malfunction, the ABS, the BAS, the BAS PLUS, the ESC, the
hill-start assist system, the HOLD function, the Adaptive Brake
Lights, the PRE-SAFE ®
system, and the PRE-SAFE ®
Brake are
unavailable.
The ATTENTION ASSIST is disabled.XContinue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.XRead and observe messages that may appear in the
multifunction display ( Y page 452).XHave the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
!The yellow ABS
indicator lamp
comes on while
the engine is
running.The brake system still functions normally but due to insufficient
power supply, the ABS, the BAS, the BAS PLUS, the ESC, the
hill-start assist system, the HOLD function, the Adaptive Brake
Lights, the PRE-SAFE ®
system, and the PRE-SAFE ®
Brake are
unavailable.
The ATTENTION ASSIST is disabled.
When the voltage is above the required value again, the ABS is
operational again. The ABS indicator lamp should go out.XContinue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.XRead and observe messages that may appear in the
multifunction display ( Y page 452).XIf the ABS indicator lamp does not go out: Have the alternator
and the battery checked.490What to do if …Practical hints
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ProblemPossible causes/consequences and M Solutions!The yellow ABS
indicator lamp
comes on while
the engine is
running.The brake system is still functioning normally but temporarily the
ABS, the BAS, the BAS PLUS, the ESC, the hill-start assist system,
the HOLD function, the Adaptive Brake Lights, the PRE-SAFE ®
system, and the PRE-SAFE ®
Brake are unavailable.
The self-diagnosis has not been completed yet.
The ATTENTION ASSIST is disabled.
The indicator lamp will go out after driving a short distance at a
vehicle speed of above 12 mph (20 km/h).
If the ABS indicator lamp does not go out:XContinue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.XRead and observe messages that may appear in the
multifunction display ( Y page 452).XHave the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
÷
å
!
The yellow ESC warning
lamp, the yellow ESC
OFF warning lamp, and
the yellow ABS
indicator lamp come on
while the engine is
running and an
acoustic warning
sounds.The Electronic Brake Proportioning (EBP) switched off due to a
malfunction.
The ABS, the BAS, the BAS PLUS, the ESC, the hill-start assist
system, the HOLD function, the Adaptive Brake Lights, the
PRE-SAFE ®
system, and the PRE-SAFE ®
Brake are also switched
off.
The brake system is still functioning normally but without the
systems specified above available.
The ATTENTION ASSIST is disabled.XContinue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.XRead and observe messages that may appear in the
multifunction display ( Y page 452).XHave the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
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ProblemPossible causes/consequences and M SolutionsåThe yellow ESC
OFF warning
lamp comes on
while the engine
is running.The ESC has been switched off.
Risk of accident!
When the ESC is switched off it will not stabilize the vehicle if the
system recognizes that the vehicle starts to skid or that a wheel
is spinning.XSwitch the ESC back on.
Exceptions: ( Y page 67).XIf leaving the ESC switched off, adapt your speed and driving to
the prevailing road and weather conditions.XIf the ESC cannot be switched back on: Have the system
checked at an authorized Mercedes-Benz Center as soon as
possible.÷
åThe yellow ESC
warning lamp
and the yellow
ESC OFF
warning lamp
come on while
the engine is
running.The ESC is not operational due to a malfunction.
The ABS, the BAS, the BAS PLUS, the hill-start assist system, the
HOLD function, the Adaptive Brake Lights, the PRE-SAFE ®
system,
and the PRE-SAFE ®
Brake are also switched off.
The brake system is still functioning normally but without the
systems specified above available.
The ATTENTION ASSIST is disabled.XRead and observe additional messages that may appear in the
multifunction display.XContinue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.XAdapt your speed and driving to the prevailing road and weather
conditions.XHave the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
÷The yellow ESC
warning lamp
flashes while
driving.The ESC or the ETS/4-ETS has come into operation because of
detected traction loss in at least one tire.XWhen driving off, apply as little throttle as possible.XWhile driving, ease up on the accelerator pedal.XAdapt your speed and driving to the prevailing road and weather
conditions.XDo not deactivate the ESC.
Exceptions: ( Y page 67).
Failure to follow these instructions increases the risk of an
accident.
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ProblemPossible causes/consequences and M Solutions42
The front passenger
front air bag off
indicator lamp does not
illuminate and/or does
not remain illuminated
with the weight of a
typical 12-month-old
child in a standard child
restraint or less on the
front passenger seat.
The system is malfunctioning.XMake sure there is nothing between seat cushion and child seat
and check installation of the child seat.
XMake sure no objects applying supplemental weight onto the
seat are present.
XIf the front passenger front air bag off indicator lamp remains
out, have the system checked as soon as possible at an
authorized Mercedes-Benz Center. Do not transport a child on
the front passenger seat until the system has been repaired.
XRead and observe messages in the multifunction display and
follow corrective steps (Y page 452).
GWarning!
If the 42 indicator lamp does not
illuminate or remains out with the weight of a
typical 12-month-old child in a standard child
restraint or less on the front passenger seat,
do not transport a child on the front
passenger seat until the system has been
repaired.
Unlocking/locking manually
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or with KEYLESS-GO, unlock the
driver’s door and the trunk using the
mechanical key.
The anti-theft alarm system will trigger when
you
Runlock the driver’s door or the trunk with
the mechanical key
and
Ropen the driver’s door or the trunk
To cancel the alarm, insert the SmartKey into
the starter switch.
Removing the mechanical key
SmartKey
SmartKey with KEYLESS-GO
XMove locking tab : in the direction of
arrow.
XSlide mechanical key ; out of the housing.Unlocking/locking manually499Practical hints221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 499Z

Unlocking the driver’s doorXInsert mechanical key ; into the driver’s
door lock.
XTurn mechanical key ; counterclockwise
to position 1.
XPull the door handle past the resistance
point until the locking knob moves up.
The driver’s door is unlocked.
XPull the door handle once more to open the
driver’s door.
XTurn mechanical key ; back and remove
it from the driver’s door lock.
Unlocking the trunk
A minimum height clearance of 5.9 ft (1.8 m)
is required to open the trunk lid.
XInsert mechanical key ; into the trunk lid
lock.
XTurn mechanical key ; counterclockwise
to position 1.
! When you open the trunk, the trunk lid
swings open upwards. Always make sure
there is sufficient overhead clearance.
XTurn mechanical key ; back and remove
it from the trunk lid lock.
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey or with KEYLESS-GO, lock it as
follows:
XOpen the driver’s door and the rear left
door.
XClose the front passenger door, the right
rear door, and the trunk.
iIf you cannot close the trunk with the
remote trunk opening/closing switch,
lower the trunk lid manually and close it
with hands placed flat on the trunk lid until
it is engaged in its lock.
XPress the central locking switch
(Y page 279).
The locking knobs of the front passenger
door and the rear doors move down.
XIf the vehicle battery is disconnected or
drained: Press down the locking knobs on
the front passenger door and the rear
doors.
XExit the vehicle.XCheck whether the trunk is locked.XIf it is not locked, lock it with the
mechanical key (Y page 283).
Except for the driver’s door, the vehicle
should now be locked.
XClose the driver’s door.XEnter the vehicle through the rear left door.XPress down the locking knob of the driver’s
door.
! To prevent inadvertent lockout, make
sure to have the SmartKey with you before
proceeding with the next step. The next
step will lock the vehicle.
500Unlocking/locking manuallyPractical hints
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XExit the vehicle.XClose the rear left door.
The vehicle is locked.
iThis procedure does not arm the anti-
theft alarm system, nor does it lock the fuel
filler flap.
Resetting activated NECK-PRO active
front head restraints
If the NECK-PRO active front head restraints
have been triggered in a rear-end collision,
they must be reset.
You can tell that the NECK-PRO active front
head restraints have been triggered when
they have been moved forward and cannot be
adjusted.
GWarning!
For safety reasons, have the NECK-PRO active
front head restraints checked at an
authorized Mercedes-Benz Center after a
rear-end collision.
GWarning!
When pushing back the head restraint
cushion, make sure your fingers do not
become caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
! Be careful not to damage upholstery.
iPressing the head restraint cushion back
requires high force. If you encounter
difficulties when pushing the head restraint
back, please have the procedure
performed at an authorized Mercedes-Benz
Center.
Head restraints (standard)XPush the head restraint cushion by the
bottom, back as far as it will go ;.
XPush the head restraint cushion down into
the guide as far as it will go =.
XFold the head restraint cushion by the top,
back firmly until it engages :.
XRepeat this procedure on the NECK-PRO
active front head restraint for the second
front seat.
Comfort head restraints
XTake reset tool : out of the Mercedes-
Benz literature pouch.
XGuide reset tool : into rectangular
opening ; between head restraint cushion
and head restraint cover.
XPress reset tool : downward in direction
of arrow until you hear the head restraint
release mechanism audibly engage.
XPull out reset tool :.Resetting activated NECK-PRO active front head restraints501Practical hints221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 501Z

XFirmly press the head restraint cushion
backward towards the head restraint cover
in direction of arrow = until it engages.
XRepeat this procedure for the second front
seat.
XAfter resetting the NECK-PRO active front
head restraints store reset tool : in the
Mercedes-Benz literature pouch.
For information on NECK-PRO active front
head restraints, see “NECK-PRO active front
head restraints” (Y page 55).
For information on head restraint adjustment,
see “Seats” (Y page 286).
Replacing batteries (SmartKey,
remote control, headphone)
Notes
If the batteries in the SmartKey are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an authorized
Mercedes-Benz Center.
GWarning!
Batteries contain poisonous and corrosive
substances. Therefore, keep the batteries out
of reach of children.
If a battery is swallowed, seek medical help
immediately.
GWarning!
SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. Check with
your local government’s disposal guidelines.
California residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Batteries contain materials that can harm the
environment if disposed of improperly.
Recycling of batteries is the preferred method
of disposal. Many states (USA only) or
provinces (Canada only) require sellers of
batteries to accept old batteries for recycling.
SmartKey
When inserting the batteries, make sure they
are clean and free of lint.
When replacing batteries, always replace
both batteries.
iThe required replacement batteries are
available at any authorized Mercedes-Benz
Center.
Replacement batteries: Lithium, type
CR 2025 or equivalent.
XRemove the mechanical key from the
SmartKey (Y page 499).
Replacing batteries (SmartKey)
XPress mechanical key ; into the SmartKey
opening until battery compartment
cover : opens. Do not keep the cover
shut.
XRemove the battery compartment cover.XPat the SmartKey against the palm of your
hand until battery = falls out.
502Replacing batteries (SmartKey, remote control, headphone)Practical hints
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