must accept any interference, including inter-
ference that may cause undesired operation of
the device."
Diagnostics connection
The diagnostics connection is only intended forthe connection of diagnostic equipment at a
qualified specialist workshop.
GWARNING
If you connect equipment to the diagnostics
connection in the vehicle, it may affect the
operation of the vehicles ystems. Asaresult,
the operating safety of the vehiclec ould be
affected. There is arisk of an accident.
Do not connect any equipment to adiagnos-
tics connection in the vehicle.
GWARNING
Objects in the driver'sf ootwellcan restrict the
pedalt ravel or obstruct adepressed pedal.
The operating and road safety of the vehiclei s
jeopardized. There is arisk of an accident.
Make sure that all objects in the vehiclea re
stowed correctly, and that they cannot enter
the driver' sfootwell. Install the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use
loose floormats and do not place floormats on
top of one another.
!If the engine is switched off and equipment
on the diagnostics connection is used ,the
starter battery may discharge.
Connecting equipment to the diagnostics con-
nection can leadtoe missions monitoring infor-
mation being reset, for example. This may lead
to the vehiclef ailing to meet the requirements of
the next emissions test during the main inspec-
tion.
Qualified specialist workshop
An authorized Mercedes-Benz Center is aquali-
fied specialist workshop .Ithas the necessary
specialist knowledge, tools and qualifications to
correctly carry out the work required on your vehicle. This is especiall
ythe case for work rel-
evant to safety.
Observe the notes in the Maintenance Booklet.
Always have the following work carried out at an
authorized Mercedes-Benz Center:
Rwork relevant to safety
Rservice and maintenance work
Rrepair work
Ralterations, installation work and modifica-
tions
Rwork on electronic components
Correc tuse
If you remove any warning stickers, you or oth-
ers could fail to recognize certain dangers.
Leave warning stickers in position.
Observe the following informatio nwhen driving
you rvehicle:
Rthe safety notes in this manual
Rthe vehiclet echnical data
Rtraffic rulesand regulations
Rlaw sand safety standard spertaining to motor
vehicles
Problems with your vehicle
If you should experience aproblem with your
vehicle, particularl yone that you believe may
affect its safe operation, we urge you to contact
an authorized Mercedes-Benz Center immedi-
ately to have the problem diagnosed and recti-
fied. If the problem is not resolvedtoy ours at-
isfaction, please discuss the problem again with
aM ercedes-Benz Center or contact us at one of
the following addresses.
In the USA
Customer Assistance Center
Mercedes-Benz USA, LLC
One MercedesD rive
Montvale, NJ 07645-0350
In Canada
Customer Relations Department
Mercedes-Benz Canada ,Inc.
98 Vanderhoof Avenue
Toronto, Ontario M4G 4C9
Operating safety29
Introduction
Z
Information on the type of service and service
intervals (see the separate Maintenance Book-
let).
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only).
iThe ASSYST PLUS service interval display
does not show any information on the engine
oil level.O bserve the notes on the engine oil
level (
Ypage 288).
The multifunction display shows aservice mes-
sage for several seconds, e.g.:
RService AinXXD ays
RServiceADue
RService AOverdue by XX Days
Depending on the operating conditions of the
vehicle,t he remaining time or distance until the
next service due date is displayed.
The letter A
orB,possibly in connection with a
number or another letter, indicates the type of
service. A
stands for aminor service and Bfor a
major service.
You can obtain further information from an
authorized Mercedes-Benz Center.
The ASSYST PLUS service interval display does
not take into account any periodsoft ime during
which the battery is disconnected.
Maintaining the time-dependent service sched-
ule:
XNote down the service due date displaye din
the multifunction display before disconnect-
ing the battery.
or
XAfter reconnecting the battery, subtract the
battery disconnection periodsf rom the ser-
vice date shown on the display.
Hiding aservicem essage
XPress the aor% button on the steering
wheel.
Displaying servic emessages
XSwitch on the ignition.
XUse ò on the steering wheel to call up the
list of menus.
XPress 9or: on the steering wheel to
select the Servicemenu and confirm with
a.
XPress 9or: on the steering wheel to
select the ASSYST PLUSsubmenu and con-
firm with a.
The service due date appears in the multi-
function display.
Information about Service
Resetting the ASSYST PLUS service
interval display
!If the ASSYST PLUS service interval display
has been inadvertently reset, this setting can
be corrected at aqualifieds pecialist work-
shop.
Have service work carried out as describedi n
the Maintenance Booklet. This may otherwise
leadtoi ncreased weara nd damage to the
major assemblies or the vehicle.
Aq ualifieds pecialist workshop, e.g. an author-
ized Mercedes-Benz Center, wil lreset the
ASSYST PLUS service interval display after the
service work has been carried out. You can also
obtain further information on maintenance
work, for example.
Special servic erequirements
The specifiedm aintenance interval takes only
the normal operation of the vehicle into
account. Under arduous operating conditions or
increased load on the vehicle,m aintenance
work must be carried out more frequently, for
example:
Rregular city driving with frequent intermediate
stops
Rif the vehicle is primarily used to travel short
distances
Ruse in mountainou sterrain or on poor road
surfaces
Rif the engine is often left idling for long periods
Under these or similar conditions, have, for
example ,the air filter, engine oil and oil filter
replaced or changed more frequently. Under
arduous operating conditions, the tires must be
checked more often. Further information can be obtained at aqualifieds pecialist workshop, e.g.
an authorized Mercedes-Benz Center.
ASSYST PLUS291
Maintenancea nd care
Z
