2008 MERCEDES-BENZ R320 rear entertainment

Contents
Oxidation catalyst
(diesel engine).............................. 349
Emission control .......................... 350
Coolant temperature .................... 350
At the gas station .............................. 352
Refueling ...................................... 352
Check regularly and before a
long trip........................................ 354
Engine compartment ......................... 356
Hood ............................................ 356
Engine oil ..................................... 358
Transmission fluid level ................ 360
Coolant level ................................ 360
Windshield/rear window washer
system and headlamp cleaning
system* ....................................... 362
Tires and wheels ................................ 363
Important guidelines .................... 363
Tire care and maintenance........... 364
Direction of rotation ..................... 365
Loading the vehicle ...................... 366
Recommended tire inflation
pressure ....................................... 371
Checking tire inflation pressure ... 373
Tire labeling.................................. 384
Load identification ....................... 388DOT, Tire Identification Number
(TIN) .............................................. 388
Maximum tire load ........................ 390
Maximum tire inflation pressure ... 390
Uniform Tire Quality Grading
Standards (U.S. vehicles) .............. 391
Tire ply material ............................ 393
Tire and loading terminology......... 393
Rotating tires ................................ 396
Winter driving ..................................... 398
Winter tires ................................... 398
Snow chains.................................. 399
Maintenance....................................... 400
Maintenance service indicator
message ....................................... 400
Calling up the maintenance
service indicator display ............... 402
Resetting the maintenance
service indicator ........................... 402
Vehicle care........................................ 403
Cleaning and care of the vehicle ... 403
Practical hints.................................. 413
What to do if … ................................... 414
Lamps in instrument cluster ......... 414
Lamp in center console ................ 425
Vehicle status messages in the
multifunction display .................... 427
Where will I find ...? ............................ 467
First aid kit.................................... 467
Vehicle tool kit.............................. 467
Spare wheel .................................. 471
Unlocking / locking in an emergency .. 474
Unlocking the vehicle ................... 474
Locking the vehicle ....................... 475
Fuel filler flap ................................ 475
Resetting activated head restraints.... 477
Vehicles without Rear Seat
Entertainment Package................. 477
Vehicles with Rear Seat
Entertainment Package*............... 478
Replacing SmartKey batteries ............ 479
Replacing bulbs .................................. 480
Bulbs............................................. 480
Replacing bulbs for front lamps .... 483
Replacing bulbs for rear lamps ..... 487

306 Controls in detail
Useful features
Front armrest storage compart-
ment/telephone* tray
The storage compartment and the
telephone* tray can be opened separately.
1Button to open telephone* tray
2Button to open storage compartment3Telephone tray
4Coinholders
Opening the storage compartment
Press button2 and lift up armrest.
Opening the telephone tray
Press button1 and lift up armrest.
Two coin holders 4 are located in front of
telephone tray 3.Rear armrest storage compartment*
A storage compartment is located in the
armrest of the rear center console*
between the second-row seats.
Press button under armrest and lift up
armrest.
iIf your vehicle is equipped with Rear Seat
Entertainment Package*, the storage compart-
ment contains the DVD player (see separate
operating instructions).
iThe mobile phone cradle (page 320), the
Roadside Assistance button• (
page 325)
and the Information button¡ (
page 326)
are located in telephone tray 3.

478 Practical hints
Resetting activated head restraints
Repeat this procedure on the active
head restraint for the second front
seat.
For information on active head restraints,
see “Active head restraints” (
page 86).
For information on head restraint adjust-
ment, see “Seats” (
page 128).
Vehicles with Rear Seat Entertainment
Package*
Take the reset tool out of the
Mercedes-Benz vehicle literature
pouch.1Reset tool
2Active head restraint
1Reset tool
2Active head restraint
3Opening
Guide reset tool1 into rectangular
opening 3 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
restraint 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 86).
For information on head restraint adjust-
ment, see “Seats” (
page 43).