2015 MERCEDES-BENZ S-Class COUPE wheel alignment

Useful information
i This Operator's Manual describes all
models and all standard and optional equip- ment 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 Read the information on qualified special-
ist workshops (Y page 25). Where will I find...?
Vehicle tool kit
General notes The towing eye is located in the stowage well
under the trunk floor.
i Apart from certain country-specific varia-
tions, the vehicles are not equipped with a
tire-change tool kit. If the vehicle is equip-
ped with tire-changing tools, these are
located in the stowage well under the trunk floor. Some tools for changing a wheel are
specific to the vehicle. For more informa-
tion on which tire changing tools are
required and approved to perform a wheel
change on your vehicle, consult a qualified specialist workshop.
Tools required for changing a wheel may
include, for example:
R Jack
R Wheel chock
R Lug wrench
R Ratchet wrench
R Alignment bolt Vehicles with a TIREFIT kit
Example
0043 Tire sealant filler bottle
0044 Towing eye
0087 Tire inflation compressor
X Open the trunk lid.
X Lift the trunk floor upwards (Y page 297).
X Use the TIREFIT kit (Y page 338). Flat tire
Preparing the vehicle
Your vehicle may be equipped with: R tires with run-flat characteristics
(MOExtended tires) (Y page 337)
Vehicle preparation is not necessary on
vehicles with MOExtended tires
R a TIREFIT kit (Y page 336)
Information on changing/mounting a wheel
(Y page 377).
X Stop the vehicle on solid, non-slippery and
level ground, as far away as possible from
traffic.
X Switch on the hazard warning lamps.
X Secure the vehicle against rolling away
(Y page 166).
X If possible, bring the front wheels into the
straight-ahead position.
X Switch off the engine. 336
Flat tireRoadside Assistance

X
Take the ratchet wrench out of the vehicle
tool kit and place it on the hexagon nut of
the jack so that the letters AUFare visible. X
Position jack 0083at jacking point 0085. X
Make sure the foot of the jack is directly
beneath the jacking point.
X Turn ratchet wrench 0084until jack 0083sits
completely on jacking point 0085and the
base of the jack lies evenly on the ground.
X Turn ratchet wrench 0084until the tire is
raised a maximum of 1.2 in (3 cm) from the ground.
Removing a wheel !
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.
When mounting/removing wheels, and for as
long as the wheels are removed, avoid apply- ing any external force on the brake disks. This could impair the level of comfort when brak-
ing. X
Unscrew the uppermost wheel bolt com-
pletely.
X Screw alignment bolt 0043into the thread
instead of the wheel bolt.
X Unscrew the remaining wheel bolts fully.
X Remove the wheel.
Mounting a new wheel G
WARNING
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 ofdamage to the threads, contact a qualified
specialist workshop immediately. Have the
damaged wheel bolts or hub threads
replaced/renewed. Do not continue driving. G
WARNING
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 notes in the "Changing a wheel" sec-
tion (Y page 377).
Only use wheel bolts that have been designed for the wheel and the vehicle. For safety rea-
sons, Mercedes-Benz recommends that you
only use wheel bolts which have been Changing a wheel
381Wheels and tires Z

approved for Mercedes-Benz vehicles and the
respective wheel.
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt. X
Clean the wheel and wheel hub contact
surfaces.
X Slide the wheel to be mounted onto the
alignment bolt and push it on.
X Tighten the wheel bolts until they are fin-
ger-tight.
X Unscrew the alignment bolt.
X Tighten the last wheel bolt until it is finger-
tight.
Lowering the vehicle G
WARNING
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. X
Place the ratchet wrench onto the hexagon
nut of the jack so that the letters ABare
visible.
X Turn the ratchet wrench until the vehicle is
once again standing firmly on the ground.
X Place the jack to one side.
X Tighten the wheel bolts evenly in a cross-
wise pattern in the sequence indicated ( 0043
to 0083). The tightening torque must be
110 lb-f t(150 Nm) .
X Turn the jack back to its initial position.
X Stow the jack and the rest of the vehicle
tools in the trunk again.
X Check the tire pressure of the newly moun-
ted wheel and adjust it if necessary.
Observe the recommended tire pressure
(Y page 359).
i Vehicles with a tire pressure control sys-
tem: all mounted wheels must be equipped
with functioning tire pressure control sen-
sors. Wheel and tire combinations
General notes
! For safety reasons, Mercedes-Benz rec-
ommends that you only use tires and
wheels which have been approved by
Mercedes-Benz specifically for your vehi-
cle. 382
Wheel and tire combinationsWheels and tires