2010 MERCEDES-BENZ S550 4MATIC trunk

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
221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 500

Removing the wheelXUnscrew the uppermost wheel bolt and
remove it.
XReplace this wheel bolt with alignment
bolt :.
XRemove the remaining bolts.
! Do not place wheel bolts in sand or dirt.
This could result in damage to the wheel
bolts and wheel hub threads.
XRemove the wheel.
Attaching the spare wheel
GWarning!
Always replace wheel bolts that are damaged
or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be
repaired immediately. Do not continue to
drive under these circumstances! Contact an
authorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tightened
wheel bolts can cause the wheel to come off.
This could cause an accident. Make sure to
use the correct wheel bolts.
GWarning!
Only use genuine Mercedes-Benz wheel bolts.
Other wheel bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle could
fall off the jack.
Wheel bolt : must be used for light alloy rims
and the Minispare wheel with light alloy rim.
Wheel bolt ; must be used for the Minispare
wheel with steel rim. The wheel bolts for the
Minispare wheel with steel rim are located in
the trunk with the Minispare wheel.
! Wheel bolts : must be used when
mounting the Minispare wheel with light
alloy rim. The use of any wheel bolts other
than wheel bolts : for the Minispare wheel
with light alloy rim will damage the vehicle’s
brakes.
Wheel bolts ; must be used when
mounting the Minispare wheel with steel
rim. The use of any wheel bolts other than
wheel bolts ; for the Minispare wheel with
steel rim will damage the vehicle’s brakes.
GWarning!
Make sure to use the original length wheel
bolts when remounting the original wheel
after it has been repaired.
XClean contact surfaces of wheel and wheel
hub.
! To avoid paint damage, place wheel flat
against hub and hold it there while
installing first wheel bolt.
Flat tire511Practical hints221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 511Z

necessary safety information and warning for
the operation of your vehicle.
! To prevent damage during transport, do
not tie down vehicle by its chassis or
suspension parts.
If circumstances do not permit the
recommended towing methods, the vehicle
may be towed with all wheels on the ground
or front axle raised (except vehicles with
4MATIC) only so far as necessary to have the
vehicle moved to a safe location where the
recommended towing methods can be
employed.
! Before towing the vehicle observe the
following instructions:
RDo not tow-start the vehicle. You could
otherwise seriously damage the
automatic transmission which is not
covered by the Mercedes-Benz Limited
Warranty.
RDo not tow with sling-type equipment.
Towing with sling-type equipment over
bumpy roads will damage radiator and
supports.
RTowing of the vehicle should only be
done using the properly installed towing
eye bolt. Never attach a tow cable, tow
rope or tow rod to the vehicle chassis,
frame or suspension parts.
GWarning!
With the engine not running, there is no power
assistance for the brake and steering
systems. In this case, it is important to keep
in mind that a considerably higher degree of
effort is necessary to brake and steer the
vehicle. Adapt your driving accordingly.
! Avoid pulling the vehicle abruptly or
diagonally, since it could result in damage
to the chassis alignment.
! Do not use the towing eye bolt for
recovery, as this could damage the vehicle.
If in doubt, recover the vehicle with a crane.
iIf the battery is disconnected or
discharged
Rthe SmartKey will not turn in the starter
switch
Rthe automatic transmission will remain in
park position P
For more information see “Battery”
(Y page 512) or “Jump starting”
(Y page 514).
Installing towing eye bolt
Depending on whether you are towing a
vehicle or you are being towed, the towing eye
bolt can be screwed into threaded holes
which are located behind covers on each
bumper.
The towing eye bolt is supplied with the
vehicle tool kit, located underneath the trunk
floor (Y page 450).
XTake the vehicle tool kit out of the trunk.
Removing cover in front bumper
XPress mark on cover : as indicated by the
arrow.
XLift cover : off to reveal the threaded hole
for the towing eye bolt.
Towing the vehicle517Practical hints221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 517Z

determined and remedied by an authorized
Mercedes-Benz Center.
! Switch off the vehicle’s internal electrical
functions when you are working on the
fuses.
A blown fuse must be replaced by an
appropriate spare fuse (recognizable by its
color or the fuse rating given on the fuse) of
the amperage recommended in the fuse
chart. Any Mercedes-Benz Center will be glad
to advise you on this subject.
iIn case of a blown fuse contact Roadside
Assistance or an authorized Mercedes-
Benz Center.
If a newly inserted fuse blows again, have the
cause determined and rectified by an
authorized Mercedes-Benz Center.
The fuse chart is located in the trunk with the
vehicle tool kit (Y page 450). The fuse chart
explains the fuse allocation and fuse
amperages.
Before replacing fuses
XEngage the electronic parking brake.XMake sure the automatic transmission is in
park position P.
The transmission position indicator in the
multifunction display should be on P.
XSwitch off all electrical consumers.XTurn off the engine.
Fuse box in passenger compartment
! Do not use sharp objects such as a
screwdriver to open the fuse box cover in
the dashboard. You could damage the fuse
box cover or the dashboard.
Fuse box on driver’s side
Fuse box on passenger side
XOpen the respective door.XUsing your hands, pull cover : in direction
of arrow and remove it.
XClosing: Hook fuse box cover : into the
opening at the front.
! The fuse box cover must be properly
positioned as described. Otherwise,
moisture or dirt could enter the fuse box
and possibly impair fuse operation.
520FusesPractical hints
221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 520

Vehicle specification S 450 4MATIC
(221.084)
The quoted data apply only to the standard
vehicle. Contact an authorized Mercedes-
Benz Center for the corresponding data of all
special bodies and special equipment.
i The S 450 4MATIC is available in Canada
only.Engine S 450 4MATICEngine, type273Mode of operation4-stroke engine,
gasoline injectionNo. of cylinders8Bore3.66 in (92.90 mm)Stroke3.39 in (86.00 mm)Total piston
displacement284.6 cu in
(4 663 cm 3
)Compression
ratio10.5:1Output acc. to
SAE J 1349 46335 hp/6
000 rpm
(250 kW/6 000 rpm)Maximum torque
acc. to SAE J 1349339 lb-ft/
2 700 - 5 000 rpm
(460 Nm/
2 700 - 5 000 rpm)Maximum engine
speed6 500 rpmFiring order1-5-4-2-6-3-7-8Poly-V-belt2 404 mmElectrical system S 450 4MATICAlternator14 V/180 AStarter motor12 V/1.7 kWElectrical system S 450 4MATICBattery12 V/95 AhSpark plugs, typeNGK PLKR 6ABosch Y 7 MPP33Spark plugs,
electrode gap0.031 in (0.8 mm)Spark plugs,
tightening torque15 - 18 lb-ft
(20 - 25 Nm)Main dimensions S 450 4MATICOverall vehicle
length200.1 in (5 100 mm)Overall vehicle
width 4783.5 in (2
120 mm)Overall vehicle
height58.2 in (1 479 mm)Wheelbase119.5 in (3 035 mm)Track, front63.0 in (1 600 mm)Track, rear63.2 in (1 606 mm)Turning circle38.7 ft (11.8 m)Weights S 450 4MATICRoof loadmax. 220 lb (100 kg)Trunk loadmax. 220 lb (100 kg)
Vehicle specification S 550 (221.171)
The quoted data apply only to the standard
vehicle. Contact an authorized Mercedes-
Benz Center for the corresponding data of all
special bodies and special equipment.
i The S 550 is available in the USA only.
46
Premium fuel required. Performance may vary with fuel octane rating.
47 Exterior rear view mirrors folded out.Vehicle specification S 550 (221.171)527Technical data221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 527Z

Engine S 550Engine, type273Mode of operation4-stroke engine,
gasoline injectionNo. of cylinders8Bore3.86 in (98.00 mm)Stroke3.56 in (90.50 mm)Total piston
displacement333.3 cu in
(5 461 cm 3
)Compression
ratio10.7:1Output acc. to
SAE J 1349 48382 hp/6
000 rpm
(285 kW/6 000 rpm)Maximum torque
acc. to SAE J 1349391 lb-ft/3 000 rpm
( 530 Nm/3 000 rpm)Maximum engine
speed6 500 rpmFiring order1-5-4-2-6-3-7-8Poly-V-belt2 404 mmElectrical system S 550Alternator14 V/180 AStarter motor12 V/1.7 kWBattery12 V/95 AhSpark plugs, typeNGK PLKR 6ABosch Y 7 MPP33Spark plugs,
electrode gap0.031 in (0.8 mm)Spark plugs,
tightening torque15 - 18 lb-ft
(20 - 25 Nm)Main dimensions S 550Overall vehicle
length206.7 in (5 250 mm)Overall vehicle
width 4983.5 in (2
120 mm)Overall vehicle
height58.2 in (1 479 mm)Wheelbase124.6 in (3 165 mm)Track, front63.0 in (1 600 mm)Track, rear63.2 in (1 606 mm)Turning circle40.0 ft (12.2 m)Weights S 550Roof loadmax. 220 lb (100 kg)Trunk loadmax. 220 lb (100 kg)
Vehicle specification S 550 4MATIC
(221.186)
The quoted data apply only to the standard
vehicle. Contact an authorized Mercedes-
Benz Center for the corresponding data of all
special bodies and special equipment.
Engine S 550 4MATICEngine, type273Mode of operation4-stroke engine,
gasoline injectionNo. of cylinders8Bore3.86 in (98.00 mm)Stroke3.56 in (90.50 mm)Total piston
displacement333.3 cu in
(5 461 cm 3
)48 Premium fuel required. Performance may vary with fuel octane rating.
49 Exterior rear view mirrors folded out.528Vehicle specification S 550 4MATIC (221.186)Technical data
221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 528

Engine S 550 4MATICCompression
ratio10.5:1Output acc. to
SAE J 1349 50382 hp/6
000 rpm
(285 kW/6 000 rpm)Maximum torque
acc. to SAE J 1349391 lb-ft/
2 800 - 4 800 rpm
(530 Nm/
2 800 - 4 800 rpm)Maximum engine
speed6 500 rpmFiring order1-5-4-2-6-3-7-8Poly-V-belt2 404 mmElectrical system S 550 4MATICAlternator14 V/180 AStarter motor12 V/1.7 kWBattery12 V/95 AhSpark plugs, typeNGK PLKR 6ABosch Y 7 MPP33Spark plugs,
electrode gap0.031 in (0.8 mm)Spark plugs,
tightening torque15 - 18 lb-ft
(20 - 25 Nm)Main dimensions S 550 4MATICOverall vehicle
length206.7 in (5 250 mm)Overall vehicle
width 5183.5 in (2
120 mm)Overall vehicle
height58.2 in (1 479 mm)Main dimensions S 550 4MATICWheelbase124.6 in (3 165 mm)Track, front63.0 in (1 600 mm)Track, rear63.2 in (1 606 mm)Turning circle40.0 ft (12.2 m)Weights S 550 4MATICRoof loadmax. 220 lb (100 kg)Trunk loadmax. 220 lb (100 kg)
Vehicle specification S 600 (221.176)
The quoted data apply only to the standard
vehicle. Contact an authorized Mercedes-
Benz Center for the corresponding data of all
special bodies and special equipment.
Engine S 600Engine, type275Mode of operation4-stroke engine,
gasoline injectionNo. of cylinders12Bore3.23 in (82.00 mm)Stroke3.43 in (87.00 mm)Total piston
displacement336.4 cu in
(5 513 cm 3
)Compression
ratio9.0:1Output acc. to
SAE J 1349 52510 hp/5
000 rpm
(380 kW/5 000 rpm)50
Premium fuel required. Performance may vary with fuel octane rating.
51 Exterior rear view mirrors folded out.
52 Premium fuel required. Performance may vary with fuel octane rating.Vehicle specification S 600 (221.176)529Technical data221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 529Z