2007 MERCEDES-BENZ R320CDI reset

390 Operation
Tires and wheels
Press buttonè orÿ on the mul-
tifunction steering wheel repeatedly
until the standard display menu
appears in the multifunction display
(
page 166).
Press thej or kbutton repeat-
edly until you see the current inflation
pressures for each tire appear in the
display or the following message ap-
pears in the display
Tire pressure
displayed after
driving for
a few minutes
Press the reset button (page 156).
The following message will appear in
the multifunction display:
Restart tire
pressure monitor?
Press the æbutton.
The following message will appear in
the multifunction display:
Tire pressure monitor
restarted
After driving a few minutes the system
verifies that the current tire inflation
pressures are within the system’s
specified range. Afterwards the current
tire inflation pressures are accepted as
reference pressures and then moni-
tored.
If you wish to cancel activation:
Press the çbutton.Potential problems associated with
underinflated and overinflated tires
Underinflated tires
Underinflated tires can:

cause excessive and uneven tire wear

adversely affect fuel economy

lead to tire failure from being
overheated

adversely affect handling
characteristics
iReactivate the TPMS after adjusting the tire
inflation pressure to the inflation pressure rec-
ommended for the vehicle operating condition.
Tire pressure should only be adjusted on cold
tires. Observe the recommended tire inflation
pressure on the placard on the driver’s door
B-pillar (
page 376). Some vehicles may have
supplemental tire pressure information for driv-
ing at high speeds (
page 381) or for vehicle
loads less than the maximum loaded vehicle con-
dition (
page 382). If such information is pro-
vided, it can be found on the inside of the fuel
filler flap.
Warning!G
Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly,
adversely affect handling and fuel economy,
and are more likely to fail from being
overheated.


408 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 166).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.
iVehicles equipped with FSS {PLUS} (Flexible
Service System {PLUS}) only (Canada vehicles):

FSS {PLUS} evaluates engine temperature,
oil level, vehicle speed, engine speed, dis-
tance driven and the time elapsed since your
last service and calculates other mainte-
nance service work required.

The interval between maintenance services
depends on your driving habits. A gentle
driving style, moderate engine speeds and
the avoidance of short-distance trips will
lengthen the interval between services.

409 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).
The standard display of the control sys-
tem appears (
page 166).
Press button èorÿon the
multifunction steering wheel
repeatedly until the standard display
appears in the multifunction display
(
page 166).
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 162).
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.
iIf the maintenance service indicator was in-
advertently 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.

419 Practical hints
What to do if …
Where will I find ...?
Unlocking / locking in an
emergency
Opening / closing in an emergency
Resetting activated head restraints
Replacing SmartKey batteries
Replacing bulbs
Replacing wiper blades
Flat tire
Bleeding the fuel system
(diesel engine only)
Battery
Jump starting
Towing the vehicle
Fuses

433 Practical hints
What to do if …
Vehicle status messages in the
multifunction display
Warning and malfunction messages
appear in the multifunction display located
in the instrument cluster.
Certain warning and malfunction messag-
es are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.
Selecting the vehicle status message
memory menu in the control system
(
page 174) displays both cleared and
uncleared messages.
High-priority messages appear in the
multifunction display in red color.Certain messages of high priority cannot
be cleared from the multifunction display
using the reset button (
page 156) or
buttonj,k,ÿ, orè on the
multifunction steering wheel.
Other messages of high priority and mes-
sages of less immediate priority can be
cleared from the multifunction display
using the reset button (
page 156) or
buttonj,k,ÿ, orè on the
multifunction steering wheel. They are
then stored in the vehicle status message
memory (
page 174). Remember that
clearing a message will only make the mes-
sage disappear. Clearing a message will
not correct the condition that caused the
message to appear.
Warning!G
All categories of messages contain
important information which should be
taken note of and, where a malfunction is
indicated, addressed as soon as possible at
an authorized Mercedes-Benz Light Truck
Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property dam-
age or personal injury.

482 Practical hints
Resetting activated head restraints
If the active head restraints have been
triggered in a rear-end collision, the active
head restraints must be reset. Otherwise,
the active head restraints cannot offer any
additional protection in the event of anoth-
er rear-end collision.
You can tell that the active head restraints
have been activated when they have been
moved forward and cannot be adjusted.
1Reset tool
2Active head restraint
Take the reset tool1 out of the
Mercedes-Benz vehicle literature
pouch.
Guide reset tool1 into the rect-
angular opening of active head
restraint2.
Press reset tool1 downward in
direction of arrow until you hear the
head restraint release mechanism
audibly disengage.
Pull out reset tool1.
Firmly press the active head restraint
cushion backward towards the head re-
straint cover in direction of arrow until
it engages.
Repeat this procedure on the active
head restraint for the second front
seat.
After resetting the active head
restraints store reset tool1 in the
Mercedes-Benz vehicle literature
pouch.
For information on active head restraints,
see “Active head restraints” (
page 83).
For information on head restraint adjust-
ment, see “Seats” (
page 43).
iFor your convenience, we recommend that
you have this work carried out by an authorized
Mercedes-Benz Light Truck Center.
You will find the reset tool for manually operating
the active head restraints in the Mercedes-Benz
vehicle literature pouch.
Warning!G
When pushing back the head restraint
cushion, take care that your fingers do not
become caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
Warning!G
For safety reasons, have the active head
restraints checked by an authorized
Mercedes-Benz Light Truck Center after a
rear-end collision.
!Be careful not to damage upholstery.

550 Index
Climate control 218
Air conditioning, Cooling 228
Air conditioning refrigerant 540
Air distribution 223
Air recirculation mode 226
Air vents, Front 218, 224
Air vents, Rear 230
Air volume 224
Control panel, Front 220
Control panel, Rear 230
Deactivating system 222
Defogging 225
Defrosting 224
Rear passenger compartment 229
Residual heat utilization (REST) 229
Clock 26, 181
Cockpit 24
Cold tire inflation pressure 401
Collapsible tire 475, 534
Collapsible wheel chock 475
Combination switch 59, 60, 62, 150
Compass 342
Control system 186
Control and operation of radio
transmitters 357Control system 159
Multifunction display 159
Multifunction steering wheel 160
Resetting to factory default 176
Control system menus 162
AIRMATIC*/Compass 174
AMG Menu 168
AUDIO 171
Distance warning function* 191
Distronic* 174
Navi* 173
Settings 176
Standard display 166
TEL* 193
Trip computer 191
Vehicle status message memory 174
Control system submenus 163, 165
Comfort* 189
Instrument cluster 179
Lighting 183
Time/Date 181
Vehicle 186Coolant 370, 539, 543
Anticorrosion/antifreeze mixing ratio
and quantity 543
Capacities 539
Checking coolant level 370
Messages in the multifunction
display 455–457
Temperature 359
Corner-illuminating front fog lamps* 151
Fog lamps, Front 149
Messages in the multifunction
display 464
Replacing bulbs 484, 485
Cruise control 266
Activating 267
Messages in the multifunction
display 436
Cup holders 316
Front center console 316
Rear center console 318
Curb weight 401

558 Index
Front fog lamps* 146
Front passenger front air bag off 78,
88, 92, 93, 431
Fuel reserve 29, 430
High beam headlamps 29
Instrument cluster 26, 420
Parktronic* 293, 294
Preglow indicator, Diesel engine 29
Rear fog lamp 146
Seat belt telltale 29, 79, 426
Seat heating* 142
SRS 29, 72, 82, 430
Turn signals 27
Lamps, indicator and warning
Distance warning lamp* 275
Instrument cluster 428
Seat ventilation* 143
Language, Setting 179
LATCH-type child seat anchors see
Children in the vehicle
Leather upholstery, Cleaning and
care of 418
License plate lamps 485
Messages in the multifunction
display 465
Replacing bulbs 485, 493Light alloy wheels, Cleaning 416
Light sensor
Messages in the multifunction
display 463
Lighter see Cigarette lighter*
Lighting
Parking lamps 146
Lighting, Exterior and interior 146
Limp-home mode 211, 423, 424
Loading see Vehicle loading
Loading terminology 401
Locator lighting 149, 184
Lock buttons, KEYLESS-GO*
Outside door handle 69
Loss of keys, Mechanical key 115
Loss of keys, SmartKey 115
Loss of keys, SmartKey with
KEYLESS-GO* 121
Loss of Service and Warranty Information
Booklet 525
Low beam headlamps
Messages in the multifunction
display 463–468
Replacing bulbs 487
switching on 59, 146
Lubricants 538M
Maintenance 12, 407
Calling up service indicator
display 409
Clearing service indicator
message 408
FSS PLUS (Canada vehicles) 407
Maintenance System (U.S.
vehicles) 407
Resetting service indicator 409
Service indicator message 407
Service term exceeded 408
Manual headlamp mode see Headlamps
Manual shift program
(R 63 AMG only) 209
Deactivating 211
Maximum cooling, MAX COOL* see
Automatic climate control (3-zone)*
Maximum inflation pressure, Tires 402
Maximum load rating, Tires 402
Maximum loaded vehicle weight,
Tires 402
Mechanical key 478
Memory function* 144
Menus see Control system menus
Messages in display see Multifunction