2014 MERCEDES-BENZ CLS display

the systemmay still display thetire
pressure of theremovedwheel forafew
minutes. The value displayed for the
mountedemergencysparewheel is notthe
same as the current tire pressure of the
emergency spare wheel.
"Minispare" emergency sparewheel/
collapsible sparewheel
Removing the "Minispare" emergency
sparewheel
The emergency spare wheel can be found in
the stowage well under the trunk floor.
XLift the trunk floor upwards (Ypage 283).
XTurn stowage traycounter-clockwise
and remove together with vehicle tool kit
tray.
XRemove "Minispare" emergency spare
wheel$.
Removing the collapsible sparewheel
(AMG vehicles)
The emergency spare wheel can be found in
the stowage wellunderthe trunk floor.
XLift the trunk floor upwards (Ypage 283).
XReach into cutoutin the tool holder and
lift it up.
XRemove collapsiblespare wheel.
Always observe the instructions and safety
notes in the "Mountingawheel" section
(Ypage 358).
Stowingaused collapsible spare
wheel
!Only place the collapsible spare wheel in
the vehicle when it is dry. Otherwise,
moisture may get into the vehicle.
Take the following steps to stowaused
collapsible spare wheel. It will not otherwise
install into the spare wheel well. Mercedes-
Benz recommends that you have this work
performed ataqualified specialist workshop,
e.g. at an authorized Mercedes-Benz Center.
XUnscrew the valve cap from the valve.
XUse the back of the valve cap to unscrew
the valve insert from the valve and release
the air.
iFully deflating the tires can takeafew
minutes.
XScrew the valve insert back into the valve.
XScrew the valve cap back on.
XRemove the protective sheet from the
vehicle tool kit and pull it over the
collapsible spare wheel.
XStow the collapsible spare wheel in the
emergency spare wheel well under the
trunk.
Inflating the collapsible sparewheel
!Inflate the collapsible spare wheel using
the tire inflation compressor before
lowering the vehicle. The wheel rim could
otherwise be damaged.
368Emergency sparewheel
Wheels and tires

!To ensure the longevity and full
performance of the engine, only premium-
grade unleaded gasoline must be used.
If standard premium-grade unleaded
gasoline is unavailable and unleaded
gasoline ofalower grade is used for
refueling, observe the following
precautions:
Ronly fill the fuel tank to half full with
regularunleaded gasoline and fillthe rest
with premium-gradeunleadedgasoline
as soonaspossible.
Rdo not drive at the maximum speed.
Ravoid sudden acceleration and engine
speeds above 3000 rpm.
Rnever refuel using fuel withaoctane
number lower than 87. Otherwise,
engine failure could occur.
Only refuel using unleadedgasoline with a
minimum octane rating of 91. If gasoline with
alower octane rating is used, engine damage
may occur.
If unleadedgasoline is unavailable and
gasoline of an octane grade lower than 91 is
used, observe the following precautions:
ROnly refuel using enough gasoline to reach
agas station that offers unleadedgasoline.
RDo not under any circumstances refuel
using gasoline withalower octane rating
than 87. Otherwise, immediate engine
damage may occur.
RAvoid sudden acceleration and engine
speeds over 3,000 rpm.
Using mixtures of methanol and ethanol is not
permitted. E10 fuel,amixture of 10% ethanol
and 90% unleadedgasoline, may be used.
You will usually find information aboutthe fuel
grade on the pump. If you cannot find the
label on the pump, ask the staff for
assistance.
iFor further information,consult a
qualified specialist workshop or on the
Internet at http://www.mbusa.com (USA
only).
Information on refueling (Ypage 165).
Additives
!Operating the engine with fuel additives
added later can lead to engine failure. Do
not mix fuel additives with fuel. This does
not include additives for the removal and
prevention of residue buildup. gasoline
must only be mixed with additives
recommended by Mercedes-Benz. Comply
with the instructions for use on the product
label.More information about
recommended additives can be obtained
from any authorized Mercedes-Benz
Center.
Mercedes-Benz recommends that you use
branded fuels that have additives.
Do not mix fuel additives with fuel. This
causes unnecessary costsand could lead to
engine failure.
Carbon deposits may form if the availability
of gasoline with relevant additives is
insufficient (in certain regions). In this case,
Mercedes-Benz recommends additives
approved for use in Mercedes-Benz vehicles;
see http://bevo.mercedes-benz.com.
Engine oil
General notes
!Never use engine oil or an oil filter of a
specification other than is necessary to
fulfill the prescribed service intervals. Do
not change the engine oil or oil filter in
order to achieve longer replacement
intervals than those prescribed. You could
otherwise cause engine damage or damage
to the exhaust gas aftertreatment.
Follow the instructions in the service
interval display regarding the oil change.
Otherwise, you may damage the engine and
the exhaust gas aftertreatment.
Comply with the important safety notes for
service products when handling engine oil
(Ypage 373).
Service products and filling capacities375
Technical data
Z