XSwitch on the ignition.
The standard display of the control system
appears ( Y page 121).XPress button = or ; on the
multifunction steering wheel to select the
Service menu.XPress button : or 9 to select
ASSYST PLUS .XPress button a on the multifunction
steering wheel to confirm.
The maintenance service indicator display
with the maintenance service deadline
appears in the multifunction display.
i If the battery was disconnected, the days
of disconnection will not be included in the
count shown by the maintenance service
indicator. To arrive at the true maintenance
service deadline, you will need to subtract
these days from the days shown in the
maintenance service indicator message or
maintenance service indicator display.
Resetting the maintenance service
indicator
In the event that the maintenance service on
your vehicle is not carried out at an authorized
Mercedes-Benz Center, you can have the
maintenance service indicator reset.
The automotive maintenance facility carrying
out the maintenance service will find the
information for resetting the maintenance
service indicator in the maintenance-relevant
literature for your vehicle.
Such literature is available at any authorized
Mercedes-Benz Center or directly from
Mercedes-Benz.
! If the maintenance service indicator was
reset inadvertently, have an authorized
Mercedes-Benz Center correct it.
Only reset the maintenance service
indicator if the proper maintenance service
has been performed. Not following the
proper maintenance service as described
in the Maintenance Booklet will result in
engine damage and/or other vehicle
damage not covered by the Mercedes-Benz
Limited Warranty.
Vehicle care
Cleaning and care of the vehicle
Notes
Regular and proper care will help to maintain
the value of your vehicle.
GWarning!
Many cleaning products can be hazardous.
Some are poisonous, others are flammable.
Always follow the instructions on the
particular container. Always open your
vehicle’s doors or windows when cleaning the
inside.
Never use fluids or solvents that are not
designed for cleaning your vehicle.
Always lock away cleaning products and keep
them out of reach of children.
! When cleaning the vehicle, do not use
scouring agents. Never apply strong force
and only use a soft, wet cloth or sponge.
Otherwise you may scratch or damage the
surface to be cleaned.
While in operation, even while parked, your
vehicle is subjected to varying external
influences which, if gone unchecked, can
attack the paintwork as well as the vehicle
underbody and cause lasting damage.
Such damage is caused not only by extreme
and varying climatic conditions, but also by:
R Air pollution
R Road salt
R Tar
R Gravel and stone chipping
260Vehicle careOperation
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Display messagesPossible causes/consequences and M Solutions÷ESC
Currently
Unavailabl
e See
Operator's
ManualIn addition, the yellow ESP ®
warning lamp d comes on.
The self-diagnosis may not be completed yet.
The brake system is still functioning normally but without the
BAS, the ESP ®
, and the hill-start assist system available.XDrive a short distance with added caution at a vehicle speed
of above 12 mph (20 km/h).
When the message disappears, the ESP ®
is available again.
If the message does not disappear:
XContinue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.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.
÷ESC
Currently
Unavailabl
e See
Operator's
ManualIf the yellow ESP ®
warning lamp d flashes while driving
and this message appears, the Electronic Traction System
(ETS/4-ETS) has switched off to prevent overheating of the
drive wheel brakes.
As soon as the brakes have cooled off, the Electronic Traction
System (ETS/4-ETS) switches on again.
The message in the multifunction display disappears and the
ESP ®
warning lamp d goes out.GTele Aid
Inoperativ
eOne or more main functions of the Tele Aid system are
malfunctioning.XHave the Tele Aid system checked at an authorized
Mercedes-Benz Center.6SRS
Malfunctio
n Service
RequiredThere is a malfunction in the Supplemental Restraint System
(SRS). The air bags or Emergency Tensioning Devices (ETDs)
could deploy unexpectedly or fail to activate in an accident.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.6Front
Left SRS
Malfunctio
n Service
RequiredComponents of the driver’s supplemental restraint system
may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.284Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and M Solutions6Front
Right SRS
Malfunctio
n Service
RequiredComponents of the front passenger’s supplemental restraint
system may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.6Rear Left
SRS
Malfunctio
n Service
RequiredComponents of the left rear passenger’s supplemental
restraint system may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.6Rear
Center
SRS
Malfunctio
n Service
RequiredComponents of the center rear passenger’s supplemental
restraint system may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.6Rear
Right SRS
Malfunctio
n Service
RequiredComponents of the right rear passenger’s supplemental
restraint system may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.6Left Side
Curtain
Airbag
Malfunctio
n Service
RequiredThe left window curtain air bag may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.6Right
Side
Curtain
Airbag
Malfunctio
n Service
RequiredThe right window curtain air bag may not work properly.XDrive with added caution to the nearest authorized
Mercedes-Benz Center.GWarning!
In the event a malfunction of the SRS is
indicated as outlined above, the SRS may not
be operational.
For your safety, we strongly recommend that
you contact an authorized Mercedes-Benz
Center immediately to have the system
checked. Otherwise the SRS may not be
activated when needed in an accident, which
could result in serious or fatal injury, or it
might deploy unexpectedly and unnecessarily
which could also result in injury.Vehicle status messages in the multifunction display285Practical hints204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 285Z
Display messagesPossible causes/consequences and M Solutions4Check
Engine
Oil At
Next
RefuelingThe engine oil has dropped to a critical level.XCheck the engine oil level ( Y page 225) and add engine oil
as required ( Y page 226).XIf you must add engine oil frequently, have the engine
checked for possible leaks.If the message Check Engine Oil At Next
Refueling appears while the engine is
running and at operating temperature, the
engine oil level has dropped to approximately
the minimum level.
The message will be stored in the vehicle
status message memory after you have
cleared it from the multifunction display.
Visually check for oil leaks. If there are no
obvious oil leaks, drive to the nearest service
station to refill your engine oil to the required
level.For information on approved engine oils
contact an authorized Mercedes-Benz Center
or visit www.mbusa.com (USA only).
! Engine oil level warnings should not be
ignored. Extended driving with the symbol
displayed could result in serious engine
damage that is not covered by the
Mercedes-Benz Limited Warranty.Display messagesPossible causes/consequences and M Solutions8Fuel
Level LowThe fuel level has dropped below the reserve mark.XRefuel at the next gas station.8Gas Cap
LooseA loss of pressure has been detected in the fuel system. The
fuel cap may not be closed properly or the fuel system may
be leaking.XCheck the fuel cap ( Y page 222).XIf it is not closed properly: Close the fuel cap.XIf it is closed properly: Have the fuel system checked at
an authorized Mercedes-Benz Center.Vehicle status messages in the multifunction display291Practical hints204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 291Z
Lowering the vehicleXLower the vehicle by turning the crank
counterclockwise until the vehicle is
resting fully on its own weight.
XRemove the jack.XTighten the five wheel bolts evenly,
following the diagonal sequence illustrated
(: to A), until all bolts are tight. Observe
a tightening torque of 96 lb-ft (130 Nm).
GWarning!
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
96 lb-ft (130 Nm).
XFully collapse the jack, with handle folded
in (storage position), see (Y page 269).
XStore the jack and the other vehicle tools
in the designated storage space.
For information on storing the spare wheel
after it has been replaced by a regular road
wheel, see (Y page 270).
iVehicles with TPMS:
Do not restart the tire inflation pressure
monitor until a full size wheel/tire with
functioning sensor has been placed back
into service on the vehicle.
Battery
Safety notes
A battery should always be sufficiently
charged in order to achieve its rated service
life. Refer to Maintenance Booklet for battery
maintenance intervals.
If you use your vehicle mostly for short-
distance trips, you will need to have the
battery charge checked more frequently.
When replacing a battery, always use a
battery approved by Mercedes-Benz.
If you do not intend to operate your vehicle
for an extended period of time, contact an
authorized Mercedes-Benz Center about
steps you need to observe.
GWarning!
Observe all safety instructions and
precautions when handling automotive
batteries.
Risk of explosion.Fire, open flames and
smoking are prohibited
when handling batteries.
Avoid creating sparks.
Battery acid is caustic. Do
not allow it to come into
contact with skin, eyes or
clothing.
Wear suitable protective
clothing, especially gloves,
apron and faceguard.
Wear eye protection.
Rinse any acid spills
immediately with clear
water. Contact a physician
if necessary.
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Vehicle equipment ............................332
Parts service .....................................332
Warranty coverage ...........................332
Identification labels ..........................332
Vehicle specification C 250
(204.052) ...........................................334
Vehicle specification C 250 Sport
(204.052) ...........................................334
Vehicle specification C 250
4MATIC (204.085) .............................335
Vehicle specification C 250
4MATIC Sport (204.085) ..................336
Vehicle specification C 300
(204.054) ...........................................337
Vehicle specification C 300 Sport
(204.054) ...........................................338
Vehicle specification C 300
4MATIC (204.081) .............................339
Vehicle specification C 300
4MATIC Sport (204.081) ..................340
Vehicle specification C 350
(204.056) ...........................................341
Vehicle specification C 350 Sport
(204.056) ...........................................342
Vehicle specification C 350
4MATIC (204.087) .............................343
Vehicle specification C 63 AMG
(204.077) ...........................................343
Rims and tires ...................................344
Fuels, coolants, lubricants, etc. ......349
331Technical data204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 331
Vehicle equipment
iThis Operator’s Manual describes all
features, standard or optional, potentially
available for your vehicle at the time of
purchase. Please be aware that your
vehicle might not be equipped with all
features described in this manual.
Parts service
All authorized Mercedes-Benz Centers
maintain a stock of Genuine Mercedes-Benz
Parts required for maintenance and repair
work. In addition, strategically located parts
distribution centers provide quick and
reliable parts service.
More than 300 000 different parts for
Mercedes-Benz models are available.
Genuine Mercedes-Benz Parts are subjected
to stringent quality inspections. Each part has
been specifically developed, manufactured or
selected for and adapted to Mercedes-Benz
vehicles.
Therefore, Genuine Mercedes-Benz Parts
should be installed.
! Do not use non-genuine Mercedes-Benz
parts and accessories not authorized by
Mercedes-Benz. Doing so could damage
the vehicle, which is not covered by the
Mercedes-Benz Limited Warranty. Also, it
could compromise the vehicle’s durability
or safety.
Warranty coverage
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet.
Your authorized Mercedes-Benz Center will
exchange or repair any defective parts
originally installed in the vehicle in
accordance with the terms of the following
warranties:
RNew Vehicle Limited Warranty
REmission System Warranty
REmission Performance Warranty
RCalifornia, Connecticut, Maine,
Massachusetts, New York, Pennsylvania,
Rhode Island, and Vermont Emission
Control Systems Warranty
RState Warranty Enforcement Laws (Lemon
Laws)
Replacement parts and accessories are
covered by the Mercedes-Benz Parts and
Accessories warranties, copies of which are
available at any authorized Mercedes-Benz
Center.
Loss of Service and Warranty
Information booklet
Should you lose your Service and Warranty
Information booklet, have an authorized
Mercedes-Benz Center arrange for a
replacement. It will be mailed to you.
Identification labels
332Identification labelsTechnical data
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Spare wheel
! Compare the recommended tire inflation pressure for your vehicle with the tire inflation
pressure on the yellow label located on the spare wheel rim.
If the tire inflation pressure on the yellow label on the spare wheel rim differs from the values
given in this Operator’s Manual, inflate the tire to the recommended tire inflation pressure
given on the yellow label on the spare wheel rim.
i Please note that the tire inflation pressure of the spare wheel differs from the tire inflation
pressure of the road tires.ModelC 250 (all models) 61
C 300 62
C 300 4MATIC 62C 30061
C 300 4MATIC 61
C 300 Sport 62
C 300 4MATIC Sport 62
C 350 (all models)C 63 AMGRim (steel)3.5 B x 16 H23.5 B x 17 H23.5 B x 18Wheel offset0.79 in (20 mm)0.79 in (20 mm)0.79 in (20 mm)Minispare tire 63T 125/90 R16 98MT 125/80 R17 99MT 125/70 R18 99MRecommended
tire inflation
pressure61 psi (4.2 bar)61 psi (4.2 bar)61 psi (4.2 bar)Fuels, coolants, lubricants, etc.
Capacities
Vehicle components and their respective
lubricants must match. Therefore only use
products tested and approved by Mercedes-
Benz.
For information on tested and approved
products, contact an authorized Mercedes-
Benz Center or visit www.mbusa.com (USA
only).
GWarning!
Comply with all valid regulations with respect
to handling, storing, and disposing of service
fluids. Otherwise you could endanger persons
or the environment.
Keep service fluids out of the reach of
children.
For health reasons, you should prevent
service fluids from coming into direct contact
with your skin or clothing.
If a service fluid is swallowed, contact a
physician immediately.61 Canada only.
62 USA only.
63 Must not be used with snow chains.Fuels, coolants, lubricants, etc.349Technical data204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 349Z