2008 MERCEDES-BENZ R320 service indicator

328 Controls in detail
Useful features
Call priority
If other service calls such as a Roadside
Assistance call or Information call are
active, an Emergency call is still possible.
In this case, the Emergency call will take
priority and override all other active calls.Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. SmartKey inside vehicle),
and the reserve SmartKey is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle at the time
arranged with the Response Center
and pull the tailgate recessed handle
for a minimum of 20 seconds until the
SOS button is flashing.
The message
Connecting Call
appears in the multifunction display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.The Response Center will then unlock your
vehicle with the remote door unlocking
feature.
iThe indicator lamp in the respective button
flashes until the call is concluded. Emergency
calls can only be terminated by a Response
Center or Customer Assistance Center repre-
sentative, whereas Roadside Assistance and
Information calls can also be terminated using
thetbutton on the multifunction steering
wheel or the END button on the COMAND
system headunit.
!If the indicator lamp continues to flash or
the system does not reset, contact the Response
Center at 1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada), or Mercedes-Benz
Customer Assistance at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA or Customer
Service at 1-800-387-0100 in Canada.
iThe remote door unlock feature is
available if the relevant cellular phone network is
available.
The SOS button will flash and the message
Connecting Call will appear in the multifunc-
tion display to indicate receipt of the door unlock
command.
Once the vehicle is unlocked, a Response Center
specialist may attempt to establish voice contact
with the vehicle occupants.
If the tailgate recessed handle was pulled for
more than 20 seconds before door unlock autho-
rization was received by the Response Center,
you must wait 15 minutes before pulling the
tailgate recessed handle again.

329 Controls in detail
Useful features
Stolen Vehicle Recovery services
In the event your vehicle was stolen:
Report the incident to the police.
The police will issue a numbered
incident report.
Pass this number on to the
Mercedes-Benz Response Center along
with your password issued to you when
you subscribed to the service.
The Response Center will then attempt
to covertly contact the vehicle’s
Tele Aid system. Once the vehicle is
located, the Response Center will
contact the local law enforcement and
you. The vehicle’s location will only be
provided to law enforcement.
Garage door opener
The integrated remote control is capable of
operating up to three separately controlled
devices. It provides a convenient way to
replace up to three hand-held remote
controls used to operate devices such as
garage door openers, gate openers, or
other devices compatible with HomeLink
®
or some other systems.
Before the integrated remote control can
be used, it must be programmed to the
garage door opener, gate operator or other
device you wish to operate. See the follow-
ing instructions for programming informa-
tion.
Interior rear view mirror with integrated
remote control
1Indicator lamp
2 3 4Signal transmitter button
Needed for programming (not part of
vehicle equipment):
5Hand-held remote control of
garage door opener, gate
operator or other device
6Hand-held remote control
button
iWhen the anti-theft alarm stays on for more
than 30 seconds, a call is initiated automatically
to the Response Center. For more information,
see “Anti-theft systems” (
page 106).

353 Operation
At the gas station
Briefly push on fuel filler flap at the
position indicated the arrow.
The fuel filler flap opens slightly.
Open the fuel filler flap completely.
Turn the fuel cap to the counterclock-
wise and hold on to it until possible
pressure is released.
Take off the fuel cap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top off or overfill.
Replace the fuel cap by turning it clock-
wise until it audibly engages.
Close the fuel filler flap.
You should hear the latch close shut.
!The fuel filler cap is tethered to the fuel filler
neck. Do not drop the cap. It could damage the
vehicle paint finish.
Warning!G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump
nozzle, which could cause personal injury.
iLeaving the engine running and the fuel cap
open can cause the yellow fuel tank reserve
warning lamp to flash and the? malfunction
indicator lamp (USA only) or the± malfunc-
tion indicator lamp (Canada only) comes on.
For more information, see “Practical hints”
(
page 418).
iGasoline engine:
Only use premium unleaded gasoline with a min-
imum Posted Octane Rating of 91 (average of
96 RON/86 MON). Information on gasoline
quality can normally be found on the fuel pump.
Please contact gas station personnel in case
labels on the pump cannot be found.
For more information on gasoline, see “Premium
unleaded gasoline (gasoline engine)”
(
page 539), see “Fuel requirements”
(
page 540), and the Factory Approved Service
Products pamphlet (USA only) or contact an
authorized Mercedes-Benz Light Truck Center.
iDiesel engine:
Only use commercially available vehicular
ULTRA-LOW SULFUR HIGHWAY DIESEL FUEL
(15 ppm SULFUR MAXIMUM). Information on
diesel quality can normally be found on the fuel
pump. Please contact gas station personnel in
case labels on the pump cannot be found.
For more information on diesel fuels, refer to the
Factory Approved Service Products pamphlet
(USA only) or contact an authorized
Mercedes-Benz Light Truck Center.


400 Operation
Maintenance
We strongly recommend that you have
your vehicle serviced by an authorized
Mercedes-Benz Light Truck Center, in
accordance with the Maintenance Booklet
at the times called for by the maintenance
service indicator.
Maintenance service indicator
message
The maintenance service indicator
message will notify you when the next
maintenance service is due.Starting approximately 1 month before
the next maintenance service is due, one
of the following messages will appear in
the multifunction display while you are
driving or when you switch on the ignition
(example service A):
Service A In XXXX Miles (Km)
Service A In XX Days
Service A In X Day
Service A Due Now
The maintenance services will be indicated
by showing a service type A through type H
in the multifunction display.
Types A through H are classified based on
estimated time needed to perform the
maintenance service, ranging:
from
Service A
(approx. 1 hour)
to
Service H
(approx. 8 hours)Refer to Maintenance Booklet for a listing
of maintenance services and intervals they
need to be performed at.
!Failure to have the vehicle maintained in
accordance with the Maintenance Booklet and
maintenance service indicator at the designated
times/mileage will result in vehicle damage
not covered by the Mercedes-Benz Limited
Warranty.
iThe Maintenance System in your vehicle
tracks distance driven and the time elapsed
since the last maintenance service and
calculates other maintenance service work
required.

401 Operation
Maintenance
Clearing the maintenance service
indicator message
The maintenance service indicator mes-
sage is automatically cleared

after approximately 10 seconds when
you switch on the ignition or when
reaching the maintenance service
threshold while driving

after approximately 30 seconds, once
the suggested maintenance service
term has passedYou can also clear it yourself:
1Reset button
Press reset button 1 on the instru-
ment cluster.
The maintenance service indicator
message is cleared and the standard
display appears in the multifunction
display (
page 164).Maintenance service term exceeded
If you have exceeded the suggested main-
tenance service term, you will see the fol-
lowing message in the multifunction
display:
Service A Exceeded By XXXXX Miles (Km)
Service A Exceeded By XXX Days
Service A Exceeded By X Day
In addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Light Truck
Center will reset the maintenance service
indicator following a completed mainte-
nance service.

402 Operation
Maintenance
Calling up the maintenance service
indicator display
You can call up the maintenance service
indicator display at any time to check
when the next maintenance service is due.
Switch on the ignition (page 39).
Press button èorÿon the
multifunction steering wheel
repeatedly until the standard display
appears in the multifunction display
(
page 164).
Press button k or j on the
multifunction steering wheel until the
maintenance service indicator display
with the service symbol 9 and the
service deadline appears in the multi-
function display.Resetting the maintenance service
indicator
In the event that the maintenance service
on your vehicle is not carried out by an
authorized Mercedes-Benz Light Truck
Center, you can have the maintenance
service indicator reset. The automotive
maintenance facility carrying out the
maintenance service will find the informa-
tion for resetting the maintenance service
indicator in the maintenance-relevant
literature for your vehicle. Such literature
is available either from either an
authorized Mercedes-Benz Light Truck
Center or directly from Mercedes-Benz.
iThe menu overview can be found on
(
page 160).
iIf the battery is 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.
!If the maintenance service indicator was
inadvertently reset, have an authorized
Mercedes-Benz Light Truck Center correct it.
Only reset if the proper maintenance service has
been performed. Resetting the system without
performing the proper service as called for by
the maintenance service indicator will result in
engine damage and/or other vehicle damage not
covered by the Mercedes-Benz Limited
Warranty.

417 Practical hints
What to do if …
ProblemPossible cause/conse-
quenceSuggested solution
?(USA only)
±(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.There is a malfunction in:

The fuel management
system

The ignition system

The emission control
system

Systems which affect
emissions
Such malfunctions may result
in excessive emissions values
and may switch the engine to
its limp-home (emergency
operation) mode.
Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Light Truck Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics
system. It allows the accurate identifi-
cation of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left area
of the footwell next to the parking
brake pedal.
iSome states may by law require you to visit
a workshop as soon as the engine malfunction
indicator lamp comes on. Check local
requirements.

549 Index
D
Date display, Setting 176
Daytime running lamp mode 145
Setting 177
Deep water see Standing water
Defogging windshield 216, 230
Defrosting, Front 214, 229
Defrosting, Rear 207
Delayed shut-off
Exterior lamps 179
Interior lighting 180
Department of Transportation see DOT
Diesel engine
Bleeding fuel system 502
Preglow indicator lamp 29
Diesel fuel see Fuel
Difficulties
While driving 62
With starting 55
Digital speedometer 157, 165
Dimensions, Vehicle 534
Direction of rotation (tires) 365Displays
Digital speedometer 157, 165
Distronic* (Canada only) 168, 265
Maintenance service indicator
message 400
Messages in the multifunction
display 427–466
Multifunction display 157
Outside temperature 155, 157, 165
Selecting 175
Showing malfunctions 169
Symbol messages 444
Text messages 429
Vehicle status message memory 169
Vehicle system settings, Control
system 161, 163, 170
Distance to empty (range), Trip
computer 185
Distance warning function* (Canada
only) 185Distronic* (Canada only) 262
Activating 268
Cleaning system sensor 407
Control system 267
Deactivating 271
Distance warning function* 275
Driving hints 273
Messages in the multifunction
display 431
Warning and indicator lamps 265
Door
Entry lamps 153
Locking, In an emergency 475
Locking/unlocking,
KEYLESS-GO* 113
Locking/unlocking, SmartKey 110
Messages in the multifunction
display 452
Opening from the inside 118
Opening from the outside 112
Remote door unlock (Tele Aid*) 328
Unlocking, Mechanical key 474
Door control panel 36
Door handle 36
Door windows see Power windows
DOT 388, 394