2012 MERCEDES-BENZ S-CLASS SEDAN clock

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops ( Y page 31).
Where will I find...?
First-aid kit
XOpen the trunk lid.XRemove tensioning strap :.XRemove first-aid kit ; from the parcel net.
i
Check the expiration date on the first-aid
kit at least once a year. Replace the
contents if necessary, and replace missing
items.
Vehicle tool kit
The vehicle tool kit can be found in the
stowage well under the trunk floor.
XLift the trunk floor upwards ( Y page 438).:Folding wheel chock;Vehicle tool kit tray cover=Vehicle tool kit?Jack
"Minispare" emergency spare wheel
The "Minispare" emergency spare wheel can
be found in the stowage well under the trunk
floor.
XLift the trunk floor up ( Y page 438).XTurn stowage tray = counterclockwise
and remove together with vehicle tool kit
tray ;.XRemove "Minispare" emergency spare
wheel :.
For further information on changing a wheel
and installing the spare wheel, see
( Y page 475).
474Where will I find...?Breakdown assistance

XMake sure that the base of the jack is
positioned directly under the jacking point.XTurn crank ? clockwise until jack = sits
completely on jacking point ; and the
base of the jack lies evenly on the ground.XTurn handle ? until the tire is 1.2 in
(3 cm) from the ground at most.
Removing a wheel
XUnscrew the uppermost wheel bolt
completely.XScrew alignment bolt : into the thread
instead of the wheel bolt.XUnscrew the remaining wheel bolts fully.
! Do not place wheel bolts in sand or on a
dirty surface. The bolt and wheel hub
threads could otherwise be damaged when
you screw them in.
XRemove the wheel.Mounting a new wheelGWARNING
Oiled or greased wheel bolts or damaged
wheel bolts/hub threads can cause the wheel
bolts to come loose. As a result, you could
lose a wheel while driving. There is a risk of
accident.
Never oil or grease wheel bolts. In the event
of damage to the threads, contact a qualified
specialist workshop immediately. Have the
damaged wheel bolts or hub threads
replaced/renewed. Do not continue driving.
GWARNING
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip
over. There is a risk of injury.
Only tighten the wheel bolts or wheel nuts
when the vehicle is on the ground.
Always pay attention to the instructions and
safety notices in "Changing a wheel"
( Y page 515).
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety
reasons, Mercedes-Benz recommends that
you only use wheel bolts which have been
approved for Mercedes-Benz vehicles and the
respective wheel.
Be sure to use the original-length wheel bolts
when refitting the original wheel after it has
been repaired.
478Flat tireBreakdown assistance

Wheel bolts for:
:All alloy wheels and the "Minispare"
emergency spare wheel for alloy wheels;"Minispare" emergency spare wheel for
steel wheels
! Always use wheel bolts : to fit the
"Minispare" emergency spare wheel with
light-alloy wheel. Using other wheel bolts
when fitting the "Minispare" emergency
spare wheel with light-alloy wheel could
damage the brake system.
Always use wheel bolts ; to fit the
"Minispare" emergency spare wheel with
steel wheel. Using other wheels when
fitting the "Minispare" emergency spare
wheel with steel wheel could damage the
brake system.
XClean the wheel and wheel hub contact
surfaces.
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
XSlide the emergency spare wheel onto the
alignment bolt and push it on.XTighten the wheel bolts until they are
finger-tight.XUnscrew the alignment bolt.XTighten the last wheel bolt until it is finger-
tight.
Lowering the vehicle
GWARNING
Tire pressure that is too high or too low can
lead to a blowout of the mounted emergency
spare wheel/spare wheel, particularly when
driving with a heavy load and increasing
speed. There is a risk of accident.
Check the tire pressure of the emergency
spare wheel or spare wheel and adjust it.
When doing so, observe the specified tire
pressure.
XTurn the crank of the jack counter-
clockwise until the vehicle is once again
standing firmly on the ground.XPlace the jack to one side.GWARNING
The wheels could work loose if the wheel nuts
and bolts are not tightened to the specified
tightening torque. There is a risk of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
Flat tire479Breakdown assistanceZ

The mountings for the removable towing eyes
are located in the bumpers. They are at the
front and at the rear, under the covers.XPress the mark on cover : inwards in the
direction of the arrow.XTake cover : off the opening.XScrew the towing eye in clockwise to the
stop and tighten it.
Removing the towing eye
XLoosen the towing eye and unscrew it.XAttach cover : to the bumper and press
until it engages.XPlace the towing eye in the vehicle tool kit.
Towing the vehicle with the rear axle
raised
Only possible on vehicles without
4MATIC.
When towing your vehicle with the rear axle
raised, it is important that you observe the
safety instructions ( Y page 485).
! The ignition must be switched off if you
are towing the vehicle with the rear axle
raised. Intervention by ESP ®
could
otherwise damage the brake system.
XSwitch on the hazard warning lamps
( Y page 283).XTurn the SmartKey to position 0 in the
ignition lock and remove the SmartKey
from the ignition lock.XWhen leaving the vehicle, take the
SmartKey or the KEYLESS-GO key with you.
Towing a vehicle with both axles on
the ground
When having your vehicle towed, observe the
important safety notes ( Y page 485).
GWARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You will then need
much more effort to brake and steer the
vehicle. Adapt your style of driving
accordingly.
The automatic transmission automatically
shifts to position P when you open the driver's
or front-passenger door or when you remove
the SmartKey from the ignition lock. In order
to ensure that the automatic transmission
stays in position N when towing the vehicle,
you must observe the following points:
XMake sure that the vehicle is stationary and
the SmartKey in the ignition lock is in
position 0.XTurn the SmartKey to position 2 in the
ignition lock.
On vehicles with KEYLESS-GO, use the key
instead of the Start/Stop button
( Y page 307).XDepress and hold the brake pedal.XShift the automatic transmission to
position N.XRelease the brake pedal.XRelease the electric parking brake.486Towing and tow-startingBreakdown assistance